Imaging device, information processing terminal, mobile telephone, program, and light emission control method

Abstract

A camera-mounted cellular phone ( 1 ) comprises a camera sensor ( 3 ) which picks up an image, a switch ( 2 ) which is configured to switch and set at least equal to or more than two operation modes each corresponding to an image-pickup distance from the camera sensor ( 3 ) to an object, and an LED ( 4 ) which emits light together with an image-pickup. At the time of image-pickup, an image-pickup operation is performed by controlling a focal point of the camera sensor ( 3 ) in accordance with an operation mode switched and set by the switch ( 2 ), and the luminous brightness of the LED ( 4 ) is controlled in accordance with the operation mode switched and set.

1 . An image-pickup device comprising a camera unit which picks up an image and light-emission unit which emits light together with an image-pickup operation by the camera unit, the image-pickup device further comprising:
 operation mode setting unit which is configured to switch and set at least equal to or more than two operation modes each corresponding to an image-pickup distance from the camera unit to an object;   camera control unit which performs an image-pickup operation by controlling a focal point of the camera unit in accordance with an operation mode switched and set by the operation mode setting unit; and   light-emission control unit which controls a light-emission operation of the light-emission unit in accordance with the operation mode switched and set by the operation mode setting unit.   
     
     
         2 . The image-pickup device according to  claim 1 , wherein the longer an image-pickup distance corresponding to the operation mode switched and set by the operation mode setting unit is, the brighter the light-emission control unit controls the light-emission unit to emit light. 
     
     
         3 . The image-pickup device according to  claim 1 , wherein the light-emission unit is arranged near the camera unit. 
     
     
         4 . An image-pickup device comprising a camera unit which picks up an image and a plurality of light-emission units which are arranged apart from the camera unit at different distances therefrom and which emit light together with an image-pickup operation by the camera unit, the image-pickup device further comprising:
 operation mode setting unit which is configured to switch and set at least equal to or more than two operation modes each corresponding to an image-pickup distance from the camera unit to an object;   camera control unit which performs an image-pickup operation by controlling a focal point of the camera unit in accordance with an operation mode switched and set by the operation mode setting unit; and   light-emission control unit which controls the light-emission unit which is arranged in a position closer and closer to the camera unit to emit light when an image-pickup distance corresponding to the operation mode switched and set by the operation mode setting unit is longer and longer.   
     
     
         5 . The image-pickup device according to  claim 4 , wherein the longer the image-pickup distance corresponding to the operation mode switched and set by the operation mode setting unit is, the brighter the light-emission control unit controls the light-emission unit which is arranged in the position closer and closer to the camera unit to emit light. 
     
     
         6 . An information processing terminal comprising the image-pickup device according to  claim 1 . 
     
     
         7 . A cellular phone comprising the image-pickup device according to  claim 1 . 
     
     
         8 . A recording medium storing a program which allows a control unit of an image-pickup device comprising a camera unit that picks up an image, and light-emission unit that emits light together with an image-pickup operation by the camera unit to function as:
 operation mode setting unit which is configured to switch and set at least equal to or more than two operation modes each corresponding to an image-pickup distance from the camera unit to an object;   camera control unit which performs an image-pickup operation by controlling a focal point of the camera unit in accordance with an operation mode switched and set by the operation mode setting unit; and   light-emission control unit which controls a light-emission operation of the light-emission unit in accordance with the operation mode switched and set by the operation mode setting unit.   
     
     
         9 . A recording medium storing a program which allows a control unit of an image-pickup device comprising a camera unit that picks up an image, and a plurality of light-emission units that are arranged apart from the camera unit at different distances therefrom and which emit light together with an image-pickup operation by the camera unit to function as:
 operation mode setting unit which is configured to switch and set at least equal to or more than two operation modes each corresponding to an image-pickup distance from the camera unit to an object;   camera control unit which performs an image-pickup operation by controlling a focal point of the camera unit in accordance with an operation mode switched and set by the operation mode setting unit; and   light-emission control unit which controls the light-emission unit that is arranged in a position closer and closer to the camera unit to emit light when an image-pickup distance corresponding to the operation mode switched and set by the operation mode setting unit is longer and longer.   
     
     
         10 . A method of controlling light-emission of light-emission unit in an image-pickup device comprising a camera unit which picks up an image, and the light-emission unit which emits light together with an image-pickup operation by the camera unit, the method comprising:
 an operation mode setting step of switching and setting at least equal to or more than two operation modes each corresponding to an image-pickup distance from the camera unit to an object;   an operation mode detection step of detecting an operation mode switched and set in the operation mode setting step; and   an image-pickup light emission control step of performing an image-pickup operation by controlling a focal point of the camera unit in accordance with an image-pickup distance corresponding to the operation mode detected in the operation mode detection step, and of controlling light-emission operation of the light-emission unit in accordance with the image-pickup distance.   
     
     
         11 . A method of controlling light-emission of light-emission unit in an image-pickup device comprising a camera unit which picks up an image, and a plurality of light-emission units which are arranged apart from the camera unit at different distances therefrom and which emit light together with an image-pickup operation by the camera unit, the methods comprising:
 an operation mode setting step of switching and setting at least equal to or more than two operation modes each corresponding to an image-pickup distance from the camera unit to an object;   an operation mode detection step of detecting an operation mode switched and set by the operation mode setting unit; and   an image-pickup light emission control step of performing an image-pickup operation by controlling a focal point of the camera unit in accordance with an image-pickup distance corresponding to the operation mode detected in the operation mode detection step, and of controlling the light-emission unit which is arranged in a position closer and closer to the camera unit to emit light when the image-pickup distance is longer and longer.