Inventor

MAIDA OSAMU

JP52 patents

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

MAIDA OSAMU

NIPPON KOGAKU KK

Display unit for flashlight photography

Battery voltage checking device

Power supply control circuit

Motor driven camera

Camera with automatic exposure control and display device

Light measuring device

Light measuring apparatus for camera

Exposure control device of a camera

Apparatus for signal transmission and reception between camera and attachment

Digital display circuit displayable in analog fashion

Flash output control failure warning device of an automatic flash output control speed light

Metering device

Circuit for applying starting voltage to load

Remote control photographic apparatus

Camera film feed control apparatus

Camera provided with a mechanism for detecting the film speed of a film

Exposure control device of a camera

Display apparatus for automatic exposure control camera

Film take-up apparatus in camera usable together with a film magazine device

Electroflash unit

Indicating device for a camera

Electric wind-up device of a camera

Flash unit having a flash output control device

Battery checking device of a motor driven camera

Erroneous exposure preventing device

Power supply circuit for camera

Electric driving device of a camera

Control circuit for camera or motor drive device

Indicator arrangement utilizing analog-digital converter

Power supply control apparatus for camera

Motor drive apparatus for photographic camera

Electromagnetic trigger device in motor-driven camera capable of time exposure

Electromagnetic trigger device in motor-driven camera capable of bulb exposure

Electromagnetic trigger device for use with camera capable of automatic time exposure

Electromagnetic trigger device

Film speed setting device for camera

Film sensitivity setting device for camera

Camera provided with means for detecting information on film cartridge

Device for detecting code on film cartridge

Electronic flash apparatus

Aperture control system for cameras

Electric wind-up device of a camera

Camera with motor drive device

Exposure indicating device for a camera utilizing analog-digital converter

Circuit for charging a release magnet energizing capacitor in a camera

Drive circuit for pulse synchronized motor

Electromagnetic trigger device in a camera capable of effecting time photography

Device for generating a signal for a predetermined interval after a power switch is opened

NIKON CORP

Flash exposure apparatus for avoiding red-eye effect

FUJITSU LTD

Integrated circuit having an input voltage-clamping function and an input current-detecting function