Inventor

BABA HISATOSHI

JP24 patents

⚠️ This page may combine multiple inventors who share the name “BABA HISATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BABA HISATOSHI

CANON KK

Optical information processing method and apparatus including measuring and correcting the offset of a tracking error signal from an output of a photodetector using a vibrating objective lens

Optical information processing apparatus for correcting linearity of a photosensor output with respect to power of an emitted light beam

Optical information recording/reproducing apparatus and method with automatic servo loop adjustment function

Information recording and reproducing apparatus with offset compensation circuit and method therefor

Optical information recording and or reproducing apparatus and method for irradiating a recording medium having a plurality of information tracks

Magnetooptical disc apparatus having single micro-processor for controlling input/output processing of information by causing an interruption in the processing

Automatic gain control method and device for servo loop, and information recording and/or reproduction apparatus

Optical information processing apparatus in which the offset of a tracking error signal is corrected in accordance with a relationship stored in a memory, in response to a position detection output signal

Optical information processing apparatus including a correction circuit for correcting non-linearity of an output of a position detection circuit

Tracking control apparatus

Information-reproducing apparatus equipped with PLL circuit

Information recording/reproducing apparatus with counter means accessible by system and servo processing units

Speed detection apparatus and driving mechanism control apparatus

Optical information recording and/or reproducing apparatus improved in servo characteristics

Optical information processing apparatus in which an optical head is moved in accordance with a lens positional signal eliminating an eccentric component therefrom

Opto-magnetic recording apparatus for sequentially driving optical head drive means and biasing magnetic field generation means

Information recording/reproducing apparatus with control device for maintaining head velocity below a critical velocity

Automatic loop gain control apparatus

Magnetic field generator having a plurality of coils for generating magnetic field in substantially the same space and method of driving the same

Optical information recording/reproducing apparatus with mechanism for correcting spherical aberration and method using same

Optical information recording and/or reproducing apparatus and method arranged to detect inclination of objective lens

Heating apparatus for heating a toner image and image forming apparatus including the same

Belt driving device and image forming apparatus

SEKI TATSURU

Image forming apparatus