Assignee
ROLLEI AMERICA
13 patents
Top patents by PatentIndex Score
US4297011AOct 27, 1981
Photoflash device
ROLLEI AMERICA25 citations80
US4249109AFeb 3, 1981
Light digitizing circuit for an electronic flash device
ROLLEI AMERICA14 citations73
US4238150ADec 9, 1980
Rotatable electronic flash device with automatic light sensor tracking
ROLLEI AMERICA14 citations72
US4085316AApr 18, 1978
Photographic flash device
ROLLEI AMERICA9 citations72
US4085353AApr 18, 1978
Remote sensor trigger circuit
ROLLEI AMERICA7 citations72
US4082983AApr 4, 1978
Capacitor charging system for electronic flash apparatus
ROLLEI AMERICA9 citations71
USD267252SDec 14, 1982
Camera flash attachment
ROLLEI AMERICA3 citations61
US4333718AJun 8, 1982
Photographic flash control circuitry having selectively operable internal sensor
ROLLEI AMERICA5 citations61
USD260399SAug 25, 1981
Electronic flash device
ROLLEI AMERICA2 citations61
US4249110AFeb 3, 1981
Controlled energy cut-off for an electronic flash device
ROLLEI AMERICA2 citations52
USD259493SJun 9, 1981
Electronic flash device
ROLLEI AMERICA1 citations50
USD258825SApr 7, 1981
Electronic flash device
ROLLEI AMERICA1 citations50
US4205907AJun 3, 1980
Calculator for electronic flash
ROLLEI AMERICA1 citations42