Inventor · disambiguated record
Douglas W. Constable
Also filed as: CONSTABLE DOUGLAS W · CONSTABLE DOUGLAS WILLIAM
28 granted patents·1 pending application·580 citations·filing 1976–2003
97Inventor score
Top patents by PatentIndex Score
29 records- 0199US4090216AAmbient light contrast and color control circuitGTE SYLVANIA INC·Filed 1976·Granted May 16, 1978·289 cites·10 claims
- 0296US5619737AEncodement-on-film recording apparatus utilizes flash components in a cameraEASTMAN KODAK CO·Filed 1996·Granted Apr 8, 1997·86 cites·5 claims
- 0380US6826365B1Battery saving flash charger controlEASTMAN KODAK CO·Filed 2003·Granted Nov 30, 2004·25 cites·19 claims
- 0480US6038408AOptical data recording circuit for a film cameraEASTMAN KODAK CO·Filed 1999·Granted Mar 14, 2000·17 cites·9 claims
- 0576US5761541ASingle use camera with flash charging circuitEASTMAN KODAK CO·Filed 1997·Granted Jun 2, 1998·15 cites·10 claims
- 0673US5713055AAmbient light sensitive automatic flash control circuitEASTMAN KODAK CO·Filed 1996·Granted Jan 27, 1998·12 cites·11 claims
- 0768US6442346B1Flash apparatus with one-time-use cameraEASTMAN KODAK CO·Filed 2000·Granted Aug 27, 2002·8 cites·20 claims
- 0865US5729774ALow cost motorized camera with flash control circuitEASTMAN KODAK CO·Filed 1997·Granted Mar 17, 1998·8 cites·9 claims
- 0963US6351608B1One-time-use camera with external flash unitEASTMAN KODAK CO·Filed 2000·Granted Feb 26, 2002·6 cites·5 claims
- 1062US6574430B1Camera electronic system and method of assembling sameEASTMAN KODAK CO·Filed 2001·Granted Jun 3, 2003·5 cites·15 claims
- 1162US6035141AOptical data recording circuit for a film cameraEASTMAN KODAK CO·Filed 1999·Granted Mar 7, 2000·7 cites·4 claims
- 1261US6768869B2Camera body, camera and method for assembling sameEASTMAN KODAK CO·Filed 2002·Granted Jul 27, 2004·8 cites·36 claims
- 1353US4694356AModification of color component video signals to compensate for decreasing white sensitivity of photographic elementEASTMAN KODAK CO·Filed 1985·Granted Sep 15, 1987·12 cites·3 claims
- 1448US5781804ASingle touch flash charger circuit with timer controlEASTMAN KODAK CO·Filed 1996·Granted Jul 14, 1998·12 cites·8 claims
- 1548US5574521AOptical film encoding apparatusEASTMAN KODAK CO·Filed 1996·Granted Nov 12, 1996·3 cites·5 claims
- 1647US5303056ADynamic gain correction for CRT printingEASTMAN KODAK CO·Filed 1992·Granted Apr 12, 1994·10 cites·6 claims
- 1747US4694355ABlack and white level adjustment and normalization circuit for a color video printerEASTMAN KODAK CO·Filed 1985·Granted Sep 15, 1987·9 cites·3 claims
- 1845US6054814ACamera flash charging apparatus for low cost single use cameraEASTMAN KODAK CO·Filed 1998·Granted Apr 25, 2000·10 cites·4 claims
- 1945US4106055AAutomatic color level control system with threshold trackingGTE SYLVANIA INC·Filed 1977·Granted Aug 8, 1978·6 cites·14 claims
- 2042US5870639AOptical data recording circuit for a photographic cameraEASTMAN KODAK CO·Filed 1997·Granted Feb 9, 1999·2 cites·5 claims
- 2141US5567543AFilmstrip and flexible battery unitEASTMAN KODAK CO·Filed 1995·Granted Oct 22, 1996·11 cites·11 claims
- 2239US6871016B2Recyclable camera and method for assembling sameEASTMAN KODAK CO·Filed 2001·Granted Mar 22, 2005·0 cites·28 claims
- 2339US5140422AVideo sync removal circuitEASTMAN KODAK CO·Filed 1990·Granted Aug 18, 1992·6 cites·9 claims
- 2438US5634153AStatic immunity for single touch flash charger controlEASTMAN KODAK CO·Filed 1995·Granted May 27, 1997·6 cites·6 claims
- 2537US6249648B1Camera flash circuit with optical data recording circuitEASTMAN KODAK CO·Filed 1999·Granted Jun 19, 2001·1 cites·10 claims
- 2636US2004091255A1Camera flash circuit with adjustable flash illumination intensityEASTMAN KODAK CO·Filed 2002·Application pending·0 cites
- 2735US4178610AClamp circuit for RGB output stagesGTE SYLVANIA INC·Filed 1978·Granted Dec 11, 1979·3 cites·9 claims
- 2833US5390020AVideo amplifier stabilization for CRT printingEASTMAN KODAK CO·Filed 1992·Granted Feb 14, 1995·3 cites·12 claims
- 2930US4262303ACorrect tint indicator circuit for a VIR systemGTE PROD CORP·Filed 1979·Granted Apr 14, 1981·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →