.~ Having photocell used as flash trigger or used for camera release
DEFINITION
Classification: 396/171
Having photocell used as flash trigger or used for camera release:
(under subclass 155) Subject matter in which a photoelement responds to a burst of light for starting an illumination means (a flash operation) or for starting the exposure system.
(1) Note. Slave flashes are included in this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
59, for a remote control circuit which provides a wireless signal to achieve camera release.
100, for dual purpose photoelement in focusing or rangefinding operation.
263+, for a release control circuit, in general.
, FOR 724, for a foreign art collection involving automatic exposure control including a photocell used as flash trigger for artificial illumination.
