Image stabilizing apparatus

Abstract

An image stabilizing apparatus for correcting a blur of image by using correcting optical means supported in a manner capable of relative displacement in relation to the lens-barrel is adapted to include: detection means for detecting the state of the relative displacement of the correcting optical means in relation to the lens-barrel; amplifier means for amplifying the output of the detection means at an amplification degree corresponding to the state of the relative displacement of the correcting optical means in relation to the lens-barrel; and judging means for judging the state of the relative displacement of the correcting optical system in relation to the lens-barrel in response to the output of the amplifier means.

We claim: 
     
       1. An image stabilizing apparatus for correcting a blur of image by using correcting optical means supported in a manner capable of relative displacement in relation to a lens-barrel in an operational range of displacement of said correcting optical means, said image stabilizing apparatus comprising: (A) detection means for detecting the relative displacement of the correcting optical means in relation to the lens-barrel in said operational range of displacement;   (B) circuit means for processing the output of the detection means with different amplification degrees upon detection by said detection means of respective different relative displacements in said operational range of displacement; .[.and.].   (C) selection means for selecting applicable amplification degrees for said circuit means responsively to relative displacements detected by said detection means.Iadd.; and   (D) reverse means for processing an output of said circuit means with a reverse amplification degree given by said circuit means.Iaddend..   
     
     
       2. The apparatus according to claim 1, wherein said circuit means includes amplifier means for increasing amplification degree in response to said correcting optical means becoming displaced close to a center of said lens-barrel. 
     
     
       3. The apparatus according to claim 1 further comprising driving means for driving said correcting optical means in response to an output of said circuit means. 
     
     
       4. The apparatus according to claim 3, wherein said driving means includes calculation means for performing a calculation to control driving of a driving member of said driving means in response to the output of said circuit means. 
     
     
       5. The apparatus according to claim 4, wherein said driving means includes attenuation means for attenuating a calculation result of said calculation means in accordance with the amplification degree of said circuit means. 
     
     
       6. The apparatus according to claim 3, wherein said driving means includes attenuation means for attenuating driving power of said driving means in accordance with the amplification degree of said circuit means. 
     
     
       7. The apparatus according to claim 4, wherein said calculation means changes .[.in.]. .Iadd.an .Iaddend.algorithm for calculation therein in accordance with the output of said circuit means. 
     
     
       8. The apparatus according to claim 1, wherein said driving means changes a driving pattern of said correcting optical means in accordance with the output of said circuit means. 
     
     
       9. An optical apparatus, comprising: (a) correcting optical means for correcting a blur of an image;   (b) a supporting member for supporting said correcting optical means in a manner capable of relative displacement in relation to said supporting member in an operational range of displacement of said correcting optical means;   (c) detection means for detecting the relative displacement of said correcting optical means in relation to the supporting member in said operational range of displacement;   (d) circuit means for processing the output of the detecting means with different amplification degrees upon detection by said detection means of respective different relative displacements in said operational range of displacement; .[.and.].   (e) selection means for selecting applicable amplification degrees for said circuit means responsively to relative displacements detected by said detection means.Iadd.; and   (e) reverse means for processing an output of said circuit means with a reverse amplification decree given by said circuit means.Iaddend..   
     
     
       10. The apparatus according to claim 9, wherein said circuit means includes amplifier means for increasing amplification degree in response to said correcting optical means becoming displaced close to a portion substantially centrally of said operational range of displacement. 
     
     
       11. The apparatus according to claim 9, further comprising driving means for driving said correcting optical means in response to an output of said circuit means. 
     
     
       12. The apparatus according to claim 11, wherein said driving means includes calculation means for performing a calculation to control driving of a driving member of said driving means in response to an output of said circuit means. 
     
     
       13. The apparatus according to claim 11, wherein said driving means changes a driving pattern of said correcting optical means in accordance with an output of said circuit means. 
     
     
       14. The apparatus according to claim 12, wherein said calculation means changes an algorithm for calculation therein in accordance with the output of said circuit means. .Iadd. 
     
     
       15.  An apparatus adapted for use with optical correcting means to effect image shake prevention in accordance with a signal relating to shake, comprising: an input device which inputs a first input signal relating to shake and outputs a first output signal, and inputs a second input signal different from said first input signal relating to shake and outputs said first output signal as a second output signal; and   a signal forming device which receives an output signal from said input device and forms a signal to be used for the image shake prevention said signal forming device bringing said first output signal to a third signal when said input device inputs said first input signal, and bringing said second output signal to a fourth signal which is different from said third signal when said input device inputs said second input signal. .Iaddend..Iadd.   
     
     
       16.  An apparatus according to claim 15, wherein said input device comprises means for, when said first input signal relating to shake is input at a first input level, providing said first output signal at a first output level, and when said second input signal relating to shake is input at a second input level which is different from said first input level, providing said first output signal at said first output level, and said signal forming device comprises means for bringing the first output signal at said first output level to a third signal at a third level when the input device inputs the first input signal, and bringing the second output signal at said second input level to a fourth signal at a fourth level which is different from said third level when said input device inputs the second input signal. .Iaddend..Iadd.17. An apparatus according to claim 15, wherein said input device comprises first processing means for bringing said first input signal to said first output signal by applying a first signal processing, and second processing means for bringing said second input signal to said first output signal by applying a second signal processing which is different from said first signal 
     
     
        processing. .Iaddend..Iadd.18.  An apparatus according to claim 17, wherein said input device comprises a selection means for selecting that said first signal processing is applied in accordance with input of said first input signal and for selecting that said second signal processing is applied in accordance with input of said second input signal. 
     
     
        .Iaddend..Iadd.19.  An apparatus according to claim 15, 17 or 18 wherein said signal forming device comprises third processing means for bringing said first output signal to said third signal by applying a third signal processing, and fourth processing means for bringing said first output signal to said fourth signal by applying a fourth signal processing which is different from said third signal processing. .Iaddend..Iadd.20. An apparatus according to claim 19, wherein said signal forming device comprises means for selecting that said third processing means is applied in accordance with input of said first input signal to said input device and for selecting that said fourth processing means is applied in accordance with input of said second input signal to said input device. .Iaddend..Iadd.21. An apparatus according to claim 15, wherein said input device comprises means for inputting signals corresponding to operating states of an image shake prevention device as said first and second input signals. .Iaddend..Iadd.22. An apparatus according to claim 21, wherein said image shake prevention device comprises a movable unit for preventing the image shake and said input device comprises input means for inputting signals corresponding to operation states of said movable unit as said 
     
     
        first and second input signals. .Iaddend..Iadd.23.  An apparatus according to claim 21, wherein said image shake prevention device comprises a movable unit for preventing the image shake and said input device comprises input means for inputting signals corresponding to displacement of said movable unit as said first and second input signals. .Iaddend..Iadd.24. An apparatus according to claim 21, wherein said image shake prevention device comprises means for optically preventing image shake. .Iaddend..Iadd.25. An apparatus according to claim 15, wherein said signal forming device comprises means for forming a signal for controlling an image shake prevention device of said optical correcting means. .Iaddend..Iadd.26. An apparatus according to claim 25, wherein said image shake prevention device comprises means for optically preventing image 
     
     
        shake. .Iaddend..Iadd.27.  An apparatus adapted for image shake prevention in accordance with a signal relating to shake, comprising: an input device which inputs a first input signal relating to shake and outputs a first output signal, and inputs a second input signal different from said first input signal relating to shake and outputs said first output signal as a second output signal;   a signal forming device which receives an output signal from said input device and forms a signal to be used for the shake prevention, said signal forming device bringing said first output signal to a third signal when said input device inputs said first input signal, and bringing said second output signal to a fourth signal which is different from said third signal when said input device inputs said second input signal; and   optical correcting means including an image shake prevention device for preventing image shake in accordance with the signal formed by said signal   
     
     
        forming device. .Iaddend..Iadd.28.  An apparatus according to claim 27, wherein said input device comprises means for, when said first input signal relating to shake is input at a first input level, providing said first output signal at a first output level, and when said second input signal relating to shake is input at a second input level which is different from said first input level, providing said first output signal at said first output level, and said signal forming device comprises means for bringing the first output signal at said first output level to a third signal at a third level when the input device inputs the first input signal, and bringing the first output signal at said first output level to a fourth signal at a fourth level which is different from said third level when said input device inputs the second input signal. .Iaddend..Iadd.29. An apparatus according to claim 27, wherein said input device comprises first processing means for bringing said first input signal to said first output signal by applying a first signal processing, and second processing means for bringing said second input signal to said first output signal by applying a second signal processing which is different from said first 
     
     
        signal processing. .Iaddend..Iadd.30.  An apparatus according to claim 29, wherein said input device comprises means for selecting that said first signal processing is applied in accordance with input of said first input signal and for selecting that said second signal processing is applied in accordance with input of said second input signal. .Iaddend..Iadd.31. An apparatus according to claim 27, 29 or 30 wherein said signal forming device comprises third processing means for bringing said first output signal to said third signal by applying a third signal processing, and fourth processing means for bringing said first output signal to said fourth signal by applying a fourth signal processing which is different from said third signal processing. .Iaddend..Iadd.32. An apparatus according to claim 31, wherein said signal forming device comprises means for selecting that said third processing means is applied in accordance with input of said first input signal to said input device and for selecting that said fourth processing means is applied in accordance with input of said second input signal to said input device. 
     
     
        .Iaddend..Iadd.     An apparatus for use with optical correcting means having an image shake prevention device for performing an image shake prevention in accordance with signals relating to shake, comprising: an input device which inputs a first input signal relating to shake and outputs a first output signal, and inputs a second input signal different from said first input signal relating to shake and outputs said first output signal as a second output signal; and   a signal forming device which receives an output signal from said input device and forms a signal to be used for shake prevention, said signal forming device bringing said first output signal to a third signal when said input device inputs said first input signal, and bringing said second output signal to a fourth signal which is different from said third signal when said input device inputs said second input signal. .Iaddend..Iadd.34. An apparatus according to claim 33, wherein said input device comprises means for, when said first input signal relating to shake is input at a first input level, providing said first output signal at a first output level, and when said second input signal relating to shake is input at a second input level which is different from said first input level, providing said first output signal at said first output level, and said signal forming device comprises means for bringing the first output signal at said first output level to a third signal at a third level when the input device inputs the first input signal, and bringing the first output signal at said first output level to a fourth signal at a fourth level which is different from said third level when said input device inputs the second input signal. .Iaddend..Iadd.35. An apparatus according to claim 33, wherein said input device comprises first processing means for bringing said first input signal to said first output signal by applying a first signal processing, and second processing means for bringing said second input signal to said first output signal by applying a second signal processing which is different from said first signal processing.   
     
     
        .Iaddend..Iadd.36.  An apparatus according to claim 35, wherein said input device comprises means for selecting that said first signal processing is applied in accordance with input of said first input signal and for selecting that said second signal processing is applied in accordance with input of said second input signal. .Iaddend..Iadd.37. An apparatus according to claim 33, 35 or 36 wherein said signal forming device comprises third processing means for bringing said first output signal to said third signal by applying a third signal processing, and second processing means for bringing said first output signal to said fourth signal by applying a fourth signal processing which is different from said third signal processing. .Iaddend..Iadd.38. An apparatus according to claim 37, wherein said signal forming device comprises means for selecting that said third processing means is applied in accordance with input of said first input signal to said input device and for selecting that said fourth processing means is applied in accordance with input of said second 
     
     
        input signal to said input device. .Iaddend..Iadd.39.  An apparatus adapted for use with optical correcting means to effect image shake prevention in accordance with a signal relating to shake, comprising: an input device which inputs a first input signal relating to shake and outputs a first output signal, and inputs a second input signal different, from said first input signal relating to shake and outputs said first output signal as a second output signal and   a signal forming device which receives an output signal from said input device and forms a signal to be used for the image shake prevention, said signal forming device applying different signal processings to said first output signal from said input device respectively when said input device inputs said first input signal and when said input device inputs said second input signal. .Iaddend..Iadd.40. An apparatus according to claim 39, wherein said signal forming device comprises means for applying different signal processings to said first output signal from said input device respectively when said input device inputs said first input signal at a first level and when said input device inputs said second input signal at a second level different from said first level. .Iaddend..Iadd.41. An apparatus according to claim 39, wherein said input device comprises first processing means for bringing said first input signal to said first output signal by applying a first signal processing, and second processing means for bringing said second input signal to said first output signal by applying a second signal processing which is different from said first signal processing. .Iaddend..Iadd.42. An apparatus according to claim 41, wherein said input device comprises means for selecting that said first signal processing is applied in accordance with input of said first input signal and for selecting that said second signal processing is applied in accordance with input of said second input   
     
     
        signal. .Iaddend..Iadd.43.  An apparatus according to claim 39, 41 or 42 wherein said signal forming device comprises third processing means for bringing said first output signal to a third signal by applying a third signal processing, and fourth processing means for bringing said first output signal to a fourth signal by at lying a fourth signal processing which is different from said third signal processing. .Iaddend..Iadd.44. An apparatus according to claim 43, wherein said signal forming device comprises means for selecting that said third processing means is applied in accordance with input of said first input signal to said input device and for selecting that said fourth processing means is applied in accordance with input of said second input signal to said input device. 
     
     
        .Iaddend..Iadd.45.  An apparatus adapted for image shake prevention in accordance with a signal relating shake, comprising: an input device which inputs a first input signal relating to shake and outputs a first output signal, and inputs a second input signal different from said first input signal relating to shake and outputs said first output signal as a second output signal;   a signal forming device which receives the output signal from said input device and forms a signal to be used for the shake prevention, said signal forming device applying different signal processings to said first output signal from said input device respectively when said input device inputs said first input signal and when said input device inputs said second input signal; and   optical correcting means including an image shake prevention device which prevents the image shake in accordance with the signal formed by said signal forming device. .Iaddend..Iadd.46. An apparatus according to claim 45, wherein said signal forming device comprises means for applying different signal processings to said first output signal from said input device respectively when said input device inputs said first input signal at a first level and when said input device inputs said second input signal at a second level different from said first level. .Iaddend..Iadd.47. An apparatus according to claim 45, wherein said input device comprises first processing means for bringing said first input signal to said first output signal by applying a first signal processing, and second processing means for bringing said second input signal to said first output signal by applying a second signal processing which is different from said first signal processing. .Iaddend..Iadd.48. An apparatus according to claim 47, wherein said input device comprises means for selecting that said first signal processing is applied in accordance with input of said first input signal and for selecting that said second signal processing is applied in accordance with input of said second input signal. .Iaddend..Iadd.49. An apparatus according to claim 45, 47 or 48 wherein said signal forming device comprises third processing means for bringing said first output signal to a third signal by applying a third signal processing, and second processing means for bringing said first output signal to a fourth signal by applying a fourth signal processing which is different from said third signal processing. .Iaddend..Iadd.50. An apparatus according to claim 49, wherein said signal forming device comprises means for selecting that said third processing means is applied in accordance with input of said first input signal to said input device and for selecting that said fourth processing means is applied in accordance with input of said second input signal to said input device.   
     
     
        .Iaddend..Iadd.51.  An apparatus for use with optical correcting means having an image shake prevention device for performing an image shake prevention in accordance with a signal relating to shake, comprising: an input device which inputs a first input signal relating to shake and outputs a first output signal, and inputs a second input signal different from said first input signal relating to shake and outputs said first output signal as a second output signal; and   a signal forming device which receives an output signal from said input device and forms a signal to be used for the shake prevention, said signal forming device applying different signal processings to output signals from said input device respectively when said input device inputs said first input signal and when said input device inputs said second input signal. .Iaddend..Iadd.52. An apparatus according to claim 51, wherein said signal forming device comprises means for applying different signal processings to said first output signal from said input device respectively when said input device inputs said first input signal at a first level and when said input device inputs said second input signal at a second level different from said first level. .Iaddend..Iadd.53. An apparatus according to claim 51, wherein said input device comprises first processing means for bringing said first input signal to said first output signal by applying a first signal processing, and second processing means for bringing said second input signal to said first output signal by applying a second signal processing which is different from said first signal processing. .Iaddend..Iadd.54. An apparatus according to claim 53, wherein said input device comprises means for selecting that said first signal processing is applied in accordance with input of said first input signal and for selecting that said second signal processing is applied in accordance with input of said second input signal. .Iaddend..Iadd.55. An apparatus according to claim 51, 53 or 54 wherein said signal forming device comprises third processing means for bringing said first output signal to a third signal by applying a third signal processing, and fourth processing means for bringing said first output signal to a fourth signal by applying a fourth signal processing which is different from said third   
     
     
        signal processing. .Iaddend..Iadd.56.  An apparatus according to claim 55, wherein said signal forming device comprises means for selecting that said third processing means is applied in accordance with input of said first input signal to said input device and for selecting that said fourth processing means in accordance with input of said second input signal to said input device. .Iaddend..Iadd.57. An apparatus adapted for use with optical correcting means to effect image shake prevention in accordance with a signal relating to shake, comprising: an input device which inputs said signal relating to shake and applies to said signal relating to shake a first signal processing or a second signal processing which is different from said first signal processing; and   a signal forming device which receives an output signal from said input device and forms a signal to be used for the image shake prevention, said signal forming device applying to said output signal to which said second signal processing has been applied a third signal processing which is reverse to said second signal processing. .Iaddend..Iadd.58. An apparatus according to claim 57, wherein said input device comprises means for varying a signal level of said signal relating to shake as said second signal processing. .Iaddend..Iadd.59. An apparatus according to claim 57 or 58, wherein said signal forming device comprises means for, as said third signal processing, changing a signal level of said output signal which has been varied by said second signal processing reversely to said   
     
     
        second signal processing. .Iaddend..Iadd.60.  An apparatus adapted for image shake prevention in accordance with a signal relating to shake, comprising: an input device which inputs said signal relating to shake and applies to said signal relating to shake a first signal processing or a second signal processing which is different from said first signal processing;   a signal forming device which receives an output signal from said input device and forms a signal to be used for the image shake prevention, said signal forming device applying to said output signal to which said signal processing has been applied a third signal processing which is reverse to said second signal processing; and   optical correcting means including an image shake prevention device for preventing the image shake in accordance with the signal formed by said signal forming device. .Iaddend..Iadd.61. An apparatus according to claim 60, wherein said input device comprises means for varying a signal level of said signal relating to shake as said second signal processing. .Iaddend..Iadd.62. An apparatus according to claim 60 or 61, wherein said signal forming device comprises means for, as said third signal processing, changing a signal level of said output signal which has been varied by said second signal processing reversely to said second signal   
     
     
        processing. .Iaddend..Iadd.63.  An apparatus for use with optical correcting means having an image shake prevention device for performing an image shake prevention in accordance with signals relating to shake, comprising: an input device which inputs said signals relating to shake and applies to said signals relating to shake a first signal processing or a second signal processing which is different from said first signal processing; and   a signal forming device which receives an output signal from said input device and forms a signal to be used for the image shake prevention, said signal forming device applying to said output signal to which said second signal processing has been applied a third signal processing which is reverse to said second signal processing. .Iaddend..Iadd.64. An apparatus according to claim 63, wherein said input device comprises means for varying a signal level of said signal relating to shake as said second signal processing. .Iaddend..Iadd.65. An apparatus according to claim 63 or 64, wherein said signal forming device comprises means for, as said third signal processing, changing a signal level of said output signal which has been varied by said second signal processing reversely to said   
     
     
        second signal processing. .Iaddend..Iadd.66.  An apparatus for use with optical correcting means for correcting image shake, comprising: an input device which inputs a first input signal relating to displacement and outputs a first output signal, and inputs a second input signal different from said first input signal relating to the displacement and outputs said first output signal as a second output signal; and   a determination device which receives an output signal from said input device and determines a state of the displacement, said determination device bringing said first output signal to a third signal when said input device inputs said first input signal and bringing said first output signal to a fourth signal which is different from said third signal when said input device inputs said second input signal. .Iaddend..Iadd.67. An apparatus according to claim 66, wherein said input device comprises means for, when said first input signal relating to displacement is input at a first input level, providing said first output signal at a first output level, and when said second input signal relating to displacement is input at a second input level which is different from said first input level, providing said first output signal at said first output level, and said determination device comprises means for bringing the first output signal at said first output level to a third signal at a third level when the input device inputs the first input signal, and bringing the first output signal at said at said first output level to a fourth signal at a fourth level which is different from said third level when said input device inputs the second input signal. .Iaddend..Iadd.68. An apparatus according to claim 66, wherein said input device comprises first processing means for bringing said first input signal to said first output signal by applying a first signal processing, and second processing means for bringing said second input signal to said first output signal by applying a second signal processing which is different from said first signal   
     
     
        processing. .Iaddend..Iadd.69.  An apparatus according to claim 68, wherein said input device comprises means for selecting that said first signal processing is applied in accordance with input of said first input signal and for selecting that said second signal processing is applied in accordance with input of said second input signal. .Iaddend..Iadd.70. An apparatus according to claim 66, 68 or 69 wherein said determination device comprises third processing means for bringing said first output signal to said third signal by applying a third signal processing, and fourth processing means for bringing said first output signal to said fourth signal by applying a fourth signal processing which is different from said third signal processing. .Iaddend..Iadd.71. An apparatus according to claim 70, wherein said determination device comprises means for selecting that said third processing means is applied in accordance with input of said first input signal to said input device and for selecting that said fourth processing means is applied in accordance with input of said second input signal to said input device. 
     
     
        .Iaddend..Iadd.     An apparatus for use with optical correcting means for correcting image shake, comprising: an input device which inputs a first input signal relating to displacement and outputs a first output signal, and inputs a second input signal different from said first input signal relating to displacement and outputs said first output signal as a second output signal; and   a determination device which receives an output signal from said input device and determines a state of the displacement, said determination device applying to said first output signal from said input device different signal processings respectively when said input device inputs said first input signal and when said input device inputs said second input signal. .Iaddend..Iadd.73. An apparatus according to claim 72, wherein said input device comprises means for, when said first input signal relating to displacement is input at a first input level, providing said first output signal at a first output level, and when said second input signal relating to displacement is input at a second input level which is different from said first input level, providing said first output signal at said first output level, and said determination device comprises means for bringing the first output signal at said first output level to a third signal at a third level when the input device inputs the first input signal, and bringing the first output signal at said first output level to a fourth signal at a fourth level which is different from said third level when said input device inputs the second input signal. .Iaddend..Iadd.74. An apparatus according to claim 72, wherein said input device comprises first processing means for bringing said first input signal to said first output signal by applying a first signal processing, and second processing means for bringing said second input signal to said first output signal by applying a second signal processing which is   
     
     
        different from said first signal processing. .Iaddend..Iadd.75.  An apparatus according to claim 73, wherein said input device comprises a selection means for selecting that said first signal processing is applied in accordance with input of said first input signal and for selecting that said second signal processing is applied in accordance with input of said second input signal. .Iaddend..Iadd.76. An apparatus according to claim 72, 74 or 75 wherein said determination device comprises third processing means for bringing said first output signal to a third signal by applying a third signal processing, and fourth processing means for bringing said first output signal to said fourth signal by applying a fourth signal processing which is different from said third signal processing. .Iaddend..Iadd.77. An apparatus according to claim 76, wherein said determination device comprises means for selecting that said third processing means is applied in accordance with input of said first input signal to said input device and for selecting that said fourth processing means is applied in accordance with input of said second input signal to 
     
     
        said input device. .Iaddend..Iadd.78.  An apparatus, for use with optical correcting means for correcting image shake comprising: an input device which inputs a signal relating to displacement and applies to said signal relating to displacement a first signal processing or a second signal processing different from said first signal processing; and   a determination device which receives an output signal from said input device and determines a state of the displacement, said determination device applying to said output signal to which said second signal processing has been applied a third signal processing which is reverse to said second signal processing. .Iaddend..Iadd.79. An apparatus according to claim 78, wherein said input device comprises means for varying a signal level of said signal relating to displacement as said second signal processing. .Iaddend..Iadd.80. An apparatus according to claim 78 or 79, wherein said signal forming device comprises means for, as said third signal processing, changing a signal level of said output signal which has been varied by said second signal processing reversely to said second   
     
     
        signal processing. .Iaddend..Iadd.81.  An apparatus for use with optical correcting means for correcting image shake, comprising: (a) a signal generator for generating first and second signals representative of first magnitude and second magnitude relating to the fluctuation;   (b) a signal processing circuit having high resolution and low resolution functions and for providing a control signal to control said fluctuation in response to said first and second signals;   (c) a circuit for, responsive to said first and second signals, changing over the resolution of said processing circuit; and   (d) a control circuit for controlling said fluctuation in response to said control signal. .Iaddend.