Flash control circuit

Flash control circuit

Flash device

Flash device

Flash device

Flash device and lens-fitted photo film unit with built-in...

Flash unit

High-speed charge flash for a camera

Lens-fitted photo film unit with flash device and protective cov

Low cost motorized camera with flash control circuit

Method and apparatus for power management in an electronic...

Method and apparatus for power management in an electronic...

Method and circuit for charging of super capacitor as energy...

Method and system for operating a camera flash on a mobile...

Optical data recording circuit for a film camera

Photoflash charging circuit with current and voltage monitor

Photoflash projection device and a method of using the device

Photographic apparatus

Power supplying device for flashes

Square wave modulated charging-control circuit for a flash...