AC Powered flash tube control circuit

Accidental flash prevention in a photographic flash device

Adjustable timing light

Apparatus for controlling the charging of a main capacitor of a

Apparatus for controlling the charging of a main capacitor of a

Arrangement for displaying operation of booster circuit for flas

Automatic correct exposure indicator

Automatic flash device

Battery powered light

Brightness control for flashing xenon lamp

Camera flash charging apparatus for low cost single use camera

Camera flash circuit using a piezoelectric transformer to...

Capacitive lamp out detector

Capacitor charge indicator in an electronic photoflash

Capacitor charging circuit for timing light power source

Capacitor charging system

Capacitor charging system for electronic flash apparatus

Capacitor discharge apparatus

Capacitor discharge strobe light

Charging circuit