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