Assignee
ROLLEI AMERICA
13 granted patents·93 citations·filing 1975–1980
Top patents by PatentIndex Score
13 records- 0192US4297011APhotoflash deviceROLLEI AMERICA·Filed 1979·Granted Oct 27, 1981·25 cites·45 claims
- 0284US4249109ALight digitizing circuit for an electronic flash deviceROLLEI AMERICA·Filed 1979·Granted Feb 3, 1981·14 cites·23 claims
- 0381US4238150ARotatable electronic flash device with automatic light sensor trackingROLLEI AMERICA·Filed 1979·Granted Dec 9, 1980·14 cites·8 claims
- 0471US4085316APhotographic flash deviceROLLEI AMERICA·Filed 1975·Granted Apr 18, 1978·9 cites·9 claims
- 0552US4333718APhotographic flash control circuitry having selectively operable internal sensorROLLEI AMERICA·Filed 1980·Granted Jun 8, 1982·5 cites·13 claims
- 0648US4082983ACapacitor charging system for electronic flash apparatusROLLEI AMERICA·Filed 1976·Granted Apr 4, 1978·9 cites·20 claims
- 0742US4085353ARemote sensor trigger circuitROLLEI AMERICA·Filed 1976·Granted Apr 18, 1978·7 cites·33 claims
- 0841USD267252SCamera flash attachmentROLLEI AMERICA·Filed 1980·Granted Dec 14, 1982·3 cites·1 claims
- 0939USD260399SElectronic flash deviceROLLEI AMERICA·Filed 1978·Granted Aug 25, 1981·2 cites·1 claims
- 1036US4205907ACalculator for electronic flashROLLEI AMERICA·Filed 1979·Granted Jun 3, 1980·1 cites·9 claims
- 1133USD259493SElectronic flash deviceROLLEI AMERICA·Filed 1978·Granted Jun 9, 1981·1 cites·1 claims
- 1233USD258825SElectronic flash deviceROLLEI AMERICA·Filed 1978·Granted Apr 7, 1981·1 cites·1 claims
- 1320US4249110AControlled energy cut-off for an electronic flash deviceROLLEI AMERICA·Filed 1979·Granted Feb 3, 1981·2 cites·7 claims
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