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Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US398092419 Dec 197514 Sep 1976Honeywell Inc.Remote light sensor for electronic flash units
US401909218 Apr 197519 Apr 1977Rollei-Werke Franke & HeideckePhotographic flash apparatus
US40400698 Apr 19762 Aug 1977Polaroid CorporationFixed time delay circuit for quench strobe
US40588188 Apr 197615 Nov 1977Polaroid CorporationFixed time delay quench strobe
US409514113 Feb 197613 Jun 1978Canon Kabushiki KaishaElectronic flash device
US420193421 Mar 19786 May 1980West Electric Co., Ltd.External sensor for electronic flash
US424128025 Jun 197923 Dec 1980Polaroid CorporationLight integrator circuit with built-in anticipation
US427218819 Sep 19799 Jun 1981Xerox CorporationExposure compensation circuit for a copier
US433371816 Jan 19808 Jun 1982Rollei of America, Inc.Photographic flash control circuitry having selectively operable internal sensor
US452476121 Feb 198425 Jun 1985Olympus Optical Co., Ltd.Endoscope apparatus
US452755218 May 19849 Jul 1985Olympus Optical Co., Ltd.Endoscope apparatus