Patents for H04N 5 - Details of television systems (344,250) |
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02/28/1991 | DE3928189A1 Verfahren zur expansion eines digitalen signals Process for the expansion of a digital signal |
02/28/1991 | DE3928188A1 Verfahren und einrichtung zum senderseitig gesteuerten betaetigen eines empfaengerseitigen geraetes Method and device for the transmitter end controlled actuation of a device empfaengerseitigen |
02/27/1991 | EP0414597A1 Process for inserting supplementary video information external to a main 4/3-format image in a 16/9-format tube |
02/27/1991 | EP0414596A1 Device for converting the field frequency and line number in a high definition television receiver |
02/27/1991 | EP0414556A2 Compensating circuit for compensating distortion of video signal by detecting distortion of ramp signal in video signal |
02/27/1991 | EP0414505A2 Edge enhanced error diffusion algorithm |
02/27/1991 | EP0414327A2 Maintaining video signals |
02/27/1991 | EP0414313A1 Rear projection screen and rear projection system comprising such a screen |
02/27/1991 | EP0414311A1 Picture display device and video signal processing circuit |
02/27/1991 | EP0414276A2 Video camera control system |
02/27/1991 | EP0414222A2 Image superimposing apparatus |
02/27/1991 | EP0414183A2 A dynamic video system including automatic contrast and white-stretch processing sections |
02/27/1991 | EP0414159A2 Amplifier arrangement for producing a controllable non-linear transfer characteristic useful for improving the contrast of an image |
02/27/1991 | EP0414158A2 Control signal generator for a television system |
02/27/1991 | EP0414109A2 Apparatus for reducing lag in photosensors |
02/27/1991 | EP0413898A2 Horizontal and vertical transition level enhancement in a television system |
02/27/1991 | EP0413838A1 Television receiver with positional remote control |
02/27/1991 | CN1049585A Black and white monitor with positive and negative image display |
02/27/1991 | CN1049584A Method of subcarrier multiplication which preserves am information in fm systems |
02/26/1991 | US4996610 Disk-type magnetic recording apparatus with video signal discrimination means |
02/26/1991 | US4996601 Variable-delay signal generating apparatus for driving solid-state image pick-up device |
02/26/1991 | US4996600 Two dimensional solid state image sensing device |
02/26/1991 | US4996599 Television tuner oscillator with three point tracking |
02/26/1991 | US4996598 Apparatus for processing video signal |
02/26/1991 | US4996597 For a television receiver |
02/26/1991 | US4996596 Phase synchronizing circuit in video signal receiver and method of establishing phase synchronization |
02/26/1991 | US4996595 Flicker reduction apparatus |
02/26/1991 | US4996592 Video communication apparatus capable of electronically adjusting the field of view of a video frame |
02/26/1991 | US4996590 Circuitry for preventing doming phenomenon in a television receiver and a preventing method thereof |
02/26/1991 | US4996428 Thermal imaging device |
02/26/1991 | US4996427 Imager for simultaneously obtaining two images of differing color bands using a single photodetector area array |
02/26/1991 | US4996413 Apparatus and method for reading data from an image detector |
02/26/1991 | US4995719 Method of and an apparatus for projecting a scanned two- or three-dimensional modulated light pattern originating from a light source |
02/26/1991 | CA2065340A1 Process for expanding a digital signal |
02/24/1991 | WO1991003131A2 Convergence control system for multiple vertical formats |
02/23/1991 | CA2023519A1 Picture display device and video signal processing circuit |
02/21/1991 | WO1991002430A1 Digital signal processing system |
02/21/1991 | WO1991002428A1 Automatically focusing camera |
02/21/1991 | WO1991002287A1 Surveillance camera system |
02/21/1991 | WO1991002285A1 Camera with flash return sensing |
02/21/1991 | DE3927101A1 Video signal contained luminance signal processing - averages non-delayed and delayed luminance signals only when they differ by preset delay value |
02/20/1991 | EP0413646A1 A gain control device for a video monitor |
02/20/1991 | EP0413644A1 Comparator circuit for amplitude modulated high frequency signals |
02/20/1991 | EP0413569A2 Thermal imaging system |
02/20/1991 | EP0413468A2 Vertical phase adjust circuit |
02/20/1991 | EP0413461A1 Polyimide thermal isolation mesa for a thermal imaging system |
02/20/1991 | EP0413460A2 Ghost cancelling system and method of controlling such a system |
02/20/1991 | EP0413363A2 Circuit for generating data of a letter to be displayed on a screen |
02/20/1991 | EP0413225A2 Electric time-controlled combination lock for protection against unauthorized use |
02/20/1991 | EP0413185A2 Video Tape Recorder |
02/20/1991 | EP0413107A2 Video picture processing apparatus |
02/20/1991 | EP0413017A1 Process and device for compressing data designed for the compatible decoding of a group of television signals with an increasing degree of resolution. |
02/20/1991 | EP0238599B1 Demodulation of television signals |
02/20/1991 | EP0216935B1 Solid-state image pickup device and method of manufacturing the same |
02/20/1991 | CN1049436A Interface for tv-vcr system |
02/20/1991 | CN1049432A Transmission system |
02/20/1991 | CN1011751B Method of transmitting update information for a stationary video picture |
02/19/1991 | US4995079 Canal+ decoder switching circuit for video cassette recorders |
02/19/1991 | US4995064 X-ray examination |
02/19/1991 | US4995061 Two-phase CCD imager cell for TV interlace operation |
02/19/1991 | US4995058 Wireline transmission method and apparatus |
02/19/1991 | US4994925 Method of recording and reproducing picture information, recording medium, and recording medium playing apparatus |
02/19/1991 | US4994924 Reproducing processor allowing selective inhibition of dropout compensation and video signal correction processing |
02/19/1991 | US4994920 Device for focus detection with weightings of the focus detecting signals of plural focus detectors |
02/19/1991 | US4994919 Camera for recording television, photographic or cinematographic images, including an automatic focus-setting device |
02/19/1991 | US4994917 Image pickup apparatus with pickup time control and variable signal suppression or clipping |
02/19/1991 | US4994916 Apparatus and method for encoding identification information for multiple asynchronous video signal sources |
02/19/1991 | US4994915 Aperture correction circuit |
02/19/1991 | US4994914 Composite video image device and related method |
02/19/1991 | US4994908 Interactive room status/time information system |
02/19/1991 | US4994907 Color sensing CCD with staggered photosites |
02/19/1991 | US4994876 Light detecting element and light detecting array |
02/19/1991 | US4994756 Circuit arrangement for amplifying a television signal |
02/19/1991 | US4994754 Digital FM demodulating apparatus |
02/19/1991 | US4994719 Video display |
02/19/1991 | US4994672 Exhibits change in refractive index in responses to changes in its temperature |
02/19/1991 | US4994670 Dither scanned IR imaging system having a wide field of view |
02/19/1991 | US4994662 Radiation image read-out apparatus and method for operating the same |
02/19/1991 | US4993405 Imaging apparatus |
02/19/1991 | US4993404 Use with a pair of video devices |
02/19/1991 | CA1280506C2 Signal processor for use in a system for spatially transforming images |
02/18/1991 | CA2022765A1 Ghost cancelling system and control method thereof |
02/16/1991 | WO1991003123A1 Video filter |
02/14/1991 | DE4023866A1 Time and date controller for video tape recorder - uses time and date information in horizontal synchronisation signal to compare with preset required item and date recorder setting |
02/14/1991 | DE3926336A1 Aerial diversity mobile receiver system for TV signals - carries out TV signal test during horizontal blanking-out period, with better signal selection |
02/14/1991 | DE3926213A1 Examination system for traffic space photo-technical properties - has software controlled process computer, supplied with analog video camera video signals, recorded by video recorder |
02/13/1991 | EP0412909A2 Test apparatus for an optical recording disc |
02/13/1991 | EP0412886A1 Bispectrum imaging system and false colour display system |
02/13/1991 | EP0412462A2 Audio/video apparatus with foldable flat screen |
02/13/1991 | EP0412354A2 Interactive video system |
02/13/1991 | EP0412335A2 Method and apparatus for determining audience viewing habits |
02/13/1991 | EP0412278A1 Stuffed anatomical members |
02/13/1991 | EP0412260A2 Audio reproduction apparatus with frequency-selective amplification for driving loudspeakers internal and external to the set |
02/13/1991 | CN2071408U Protective cover for tv set screen |
02/13/1991 | CN2071407U Tv set radiation protector |
02/13/1991 | CN1049258A Method for displaying world time in television receiver |
02/12/1991 | USRE33535 Audio to video timing equalizer method and apparatus |
02/12/1991 | US4993003 Apparatus for updating time-of-day information in a signal |
02/12/1991 | US4992891 Magnetic tape |
02/12/1991 | US4992885 Method of recording and reproducing audio information in correlation with divided screen graphics information |