Inventor

OHTSUBO YOSHIAKI

27 patents

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

OHTSUBO YOSHIAKI

NIPPON KOGAKU KK

Charge control device in a flash device for a camera

Flash device of a camera

Automatic focus adjusting device of a camera having a self-timer

Exposure parameter information generating circuit in a single lens reflex camera

Pop up flash device control for a camera

Power supply circuit for camera

Control system for flash photographing apparatus

Circuit for integrating a quantity of light in an automatic control type flash unit

Device for indicating condition of exposure in an automatic control type electronic flash unit for flash photography

Shutter time adjustment for a flash mode and/or film-leader location

Sound alarm device in a camera

Shutter control device for a camera having a shutter release lock device

Temperature-compensated signal transmitting device

Power supply control circuit in a camera

Memory holding device in a single lens reflex camera

Alarm device control system in a camera

Flashlight information signal generating device for a camera

Camera having a flashlight photography recommendation device

NIKON CORP

Control device for preventing red-eye effect on camera

Distance-measuring apparatus for camera

Operation control device for a camera

Camera with built-in self-timer

Active distance measuring apparatus

Auto-focus camera

Operation control device for a camera

Electrically operated camera which selectively inhibits shutter release based on film presence

Camera with an electronic flash light apparatus