Inventor · disambiguated record
Eduard Wagensonner
Also filed as: COCRON ISTVAN · RIEDER ALOIS · STEMME OTTO · STUMPF FRIEDRICH
61 granted patents·794 citations·filing 1973–1996
99Inventor score
Top patents by PatentIndex Score
61 records- 0198US4270854APhotographic instant camera with magnetic recording capabilityAGFA GEVAERT AG·Filed 1979·Granted Jun 2, 1981·68 cites·5 claims
- 0295US4812903AMethod of electronically improving the sharpness and contrast of a colored image for copyingAGFA GEVAERT AG·Filed 1987·Granted Mar 14, 1989·144 cites·17 claims
- 0392US4825297AMethod of and apparatus for electronic contrast enhancement of reproductions of two-dimensional transparent original imagesAGFA GEVAERT AG·Filed 1987·Granted Apr 25, 1989·94 cites·9 claims
- 0492US3955208APhotographic camera with liquid-crystal diaphragm arrangementAGFA GEVAERT AG·Filed 1974·Granted May 4, 1976·49 cites·10 claims
- 0585US4366381AElectrothermographic apparatus for detection and pinpointing of malignancies in human bodiesAGFA GEVAERT AG·Filed 1980·Granted Dec 28, 1982·38 cites·18 claims
- 0684US4066347AMotion picture camera with variable aperture control rateAGFA GEVAERT AG·Filed 1975·Granted Jan 3, 1978·14 cites·8 claims
- 0782US3977776AMotion picture camera with improved frame count indicatorAGFA GEVAERT AG·Filed 1975·Granted Aug 31, 1976·13 cites·8 claims
- 0879US4067028AProper synchronization of the firing of electronic flash unitsAGFA GEVAERT AG·Filed 1976·Granted Jan 3, 1978·11 cites·7 claims
- 0978US4314235ASystem for utilizing a conventional n-bit successive approximation register to generate data words with more than n placesAGFA GEVAERT AG·Filed 1980·Granted Feb 2, 1982·14 cites·3 claims
- 1078US4251141AShutter-diaphragm system with light-totalizing circuitAGFA GEVAERT AG·Filed 1979·Granted Feb 17, 1981·10 cites·21 claims
- 1177US4096500AStill- or motion-picture camera or reproducing apparatusAGFA GEVAERT AG·Filed 1977·Granted Jun 20, 1978·10 cites·8 claims
- 1275US4296438AProjection and scanning system for producing video signals from motion picture film and control system used thereinAGFA GEVAERT AG·Filed 1980·Granted Oct 20, 1981·23 cites·15 claims
- 1373US4025935ACamera with means for maintaining a constant DC supply voltageAGFA GEVAERT AG·Filed 1976·Granted May 24, 1977·9 cites·11 claims
- 1472US4006975AFade-over apparatus for a motion picture cameraAGFA GEVAERT AG·Filed 1975·Granted Feb 8, 1977·8 cites·12 claims
- 1568US4368484ADevice for color scanning with CCD arrayAGFA GEVAERT AG·Filed 1981·Granted Jan 11, 1983·18 cites·12 claims
- 1668US4096491APhotographic camera with an automatic exposure-control circuit into which one of two different light-sensitive elements is switched depending upon scene brightnessAGFA GEVAERT AG·Filed 1977·Granted Jun 20, 1978·7 cites·7 claims
- 1768US3958256APhotographic cameraAGFA GEVAERT AG·Filed 1974·Granted May 18, 1976·7 cites·14 claims
- 1867US4313663AElectrooptic diaphragm and circuit operative for causing the diaphragm to open up stepwise and then close to terminate exposureAGFA GEVAERT AG·Filed 1979·Granted Feb 2, 1982·18 cites·9 claims
- 1963US3987462AEquipment for minimizing the power loss in a step motor in a cameraAGFA GEVAERT AG·Filed 1974·Granted Oct 19, 1976·5 cites·7 claims
- 2061US4825296AMethod of and apparatus for copying originals in which an image to be printed is evaluated by observing a corresponding low-resolution video imageAGFA GEVAERT AG·Filed 1987·Granted Apr 25, 1989·16 cites·25 claims
- 2160US5696616AScanning method and apparatusAGFA GEVAERT AG FOTOTECHNIK·Filed 1995·Granted Dec 9, 1997·23 cites·25 claims
- 2260US4368489AGalvanometer-type tilting-mirror scanning system and circuit thereforAGFA GEVAERT AG·Filed 1981·Granted Jan 11, 1983·13 cites·6 claims
- 2360US4273428ADigital exposure-duration control circuit with upper limit on exposure durationAGFA GEVAERT AG·Filed 1979·Granted Jun 16, 1981·5 cites·7 claims
- 2460US4190343APhotographic camera with exposure control utilizing a phase controllable crystalAGFA GEVAERT AG·Filed 1975·Granted Feb 26, 1980·5 cites·7 claims
- 2559US4558436AArrangement of a dynamic random access memoryAGFA GEVAERT AG·Filed 1982·Granted Dec 10, 1985·13 cites·5 claims
- 2657US4362259AApparatus for stepwise transport of photographic film or the likeAGFA GEVAERT AG·Filed 1981·Granted Dec 7, 1982·6 cites·15 claims
- 2757US4192588AControl system for controlling the diaphragm in a photographic cameraAGFA GEVAERT AG·Filed 1977·Granted Mar 11, 1980·5 cites·3 claims
- 2857US4176927AApparatus for decoding information stored in containers for photographic filmsAGFA GEVAERT AG·Filed 1978·Granted Dec 4, 1979·4 cites·15 claims
- 2956US5162645APhotographic scanner with reduced susceptibility to scatteringAGFA GEVAERT AG·Filed 1991·Granted Nov 10, 1992·16 cites·19 claims
- 3056US3949287APosition-control servo system with speed-dependent damping actionAGFA GEVAERT AG·Filed 1973·Granted Apr 6, 1976·10 cites·13 claims
- 3155US4358805APlayback and/or recording device for magnetic recording media, especially still photographs provided with a magnetizable coatingAGFA GEVAERT AG·Filed 1979·Granted Nov 9, 1982·8 cites·6 claims
- 3255US4100590AScene-brightness-dependent control of flashbulb flash durationAGFA GEVAERT AG·Filed 1976·Granted Jul 11, 1978·4 cites·9 claims
- 3353US4831436AMethod of and apparatus for printing a color image using dichroic filters and a phosphor which strongly emits red light and weakly emits green and blue lightAGFA GEVAERT AG·Filed 1987·Granted May 16, 1989·12 cites·32 claims
- 3453US4154516ADigital exposure-duration control system for photographic camerasAGFA GEVAERT AG·Filed 1977·Granted May 15, 1979·4 cites·13 claims
- 3551US4007467AExposure control circuitAGFA GEVAERT AG·Filed 1975·Granted Feb 8, 1977·4 cites·6 claims
- 3650US4116552AMotion-picture camera with automatic diaphragm control compensated for shutter-speed variationsAGFA GEVAERT AG·Filed 1977·Granted Sep 26, 1978·3 cites·11 claims
- 3749US4481530AColor filter arrangement for optoelectric converting devicesAGFA GEVAERT AG·Filed 1982·Granted Nov 6, 1984·12 cites·6 claims
- 3848US4330793AElectronic scanning of super-8 films for reproduction on a T.V. viewing unitAGFA GEVAERT AG·Filed 1979·Granted May 18, 1982·7 cites·11 claims
- 3948US4221474APhotographic camera with focussing system which time-multiplexes the signals from plural photodetectorsAGFA GEVAERT AG·Filed 1979·Granted Sep 9, 1980·10 cites·22 claims
- 4047US4729015AMethod and apparatus for making positive copies from diapositivesAGFA GEVAERT AG·Filed 1986·Granted Mar 1, 1988·8 cites·17 claims
- 4147US3966312AFade-over arrangement for a motion picture cameraAGFA GEVAERT AG·Filed 1974·Granted Jun 29, 1976·3 cites·4 claims
- 4246US4652929AMethod of and apparatus for making video imagesAGFA GEVAERT AG·Filed 1985·Granted Mar 24, 1987·8 cites·5 claims
- 4343US4313656AWeighting of the scene light signal during the shutter opening operationAGFA GEVAERT AG·Filed 1980·Granted Feb 2, 1982·3 cites·10 claims
- 4441US4172644AInterrelated exposure-duration and diaphragm-setting control systemAGFA GEVAERT AG·Filed 1977·Granted Oct 30, 1979·2 cites·8 claims
- 4539US4034247AStructure for synchronous motor, especially stepper motorAGFA GEVAERT AG·Filed 1975·Granted Jul 5, 1977·7 cites·10 claims
- 4637US4087830AArrangement for indicating that a selected exposure value is too high, too low or properAGFA GEVAERT AG·Filed 1977·Granted May 2, 1978·1 cites·4 claims
- 4736US5003381AMethod and apparatus for point-by-point reproduction of an originalAGFA GEVAERT AG·Filed 1985·Granted Mar 26, 1991·4 cites·21 claims
- 4835US4050795AMotion picture camera operable by a single operating switchAGFA GEVAERT AG·Filed 1976·Granted Sep 27, 1977·1 cites·11 claims
- 4934US4216418ASpeed regulation of D.C. motor using counterAGFA GEVAERT AG·Filed 1978·Granted Aug 5, 1980·3 cites·12 claims
- 5033US4214824APhotographic-camera focussing system with comparator receiving required-and actual-setting dataAGFA GEVAERT AG·Filed 1979·Granted Jul 29, 1980·3 cites·4 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →