Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 9 - Details of colour television systems
Patents for H04N 9 - Details of colour television systems (80,494)
10/1991
10/02/1991EP0449325A2 Optical low-pass filter
10/02/1991EP0449206A2 Clamping circuit
10/02/1991EP0449176A2 Image display apparatus
10/02/1991EP0449108A2 Degaussing circuit for a picture tube
10/02/1991EP0449075A2 Image reproduction apparatus
10/02/1991EP0448708A1 A beam splitter for color imaging apparatus.
10/02/1991CN1055096A Beam current limiting arrangement having peak amplitude responsive threshold
10/01/1991US5053890 Magnetic recording and reproducing apparatus
10/01/1991US5053874 Converter for a photographic, slide, or cinematographic negative-to-television conversion
10/01/1991US5053871 Still video camera with automatic exposure control and flicker detection
10/01/1991US5053865 Picture-quality improving circuit
10/01/1991US5053864 Video capture, compression and display system, including averaging of chrominance information
10/01/1991US5053863 Circuit for processing digital video signals
10/01/1991US5053862 Apparatus and method for generating a horizontal reset signal synchronous with a subcarrier locked clock
10/01/1991US5053861 Compression method and apparatus for single-sensor color imaging systems
10/01/1991US5053765 Light guide type display apparatus
10/01/1991US5053760 Graphics path prediction display
10/01/1991CA2038457A1 Image reproduction apparatus
09/1991
09/25/1991EP0448480A1 Projection-type display apparatus with feedback loop for correcting all the defects of the projected image
09/25/1991EP0448311A2 Image encoding and recording apparatus
09/25/1991EP0448289A2 Television signal encoder
09/25/1991EP0447644A1 Beam splitter/combiner with path length compensator
09/25/1991EP0162689B1 Magnetic disc reproducing apparatus
09/24/1991US5051928 Color correction for video graphics system
09/24/1991US5051846 Magnetic video tape recording and reproducing apparatus
09/24/1991US5051835 Digital processing of theatrical film
09/24/1991US5051834 Projection-type display apparatus utilizing both zero-order and first-order diffracted beams
09/24/1991US5051829 Method for automatically controlling optimal tuning point for receiving teletext
09/24/1991US5051827 Television signal encoder/decoder configuration control
09/24/1991US5051821 Low light level color image television system including electronic contrast enhancement system
09/24/1991US5051818 Video signal processing apparatus
09/24/1991US5051817 Superimposing system
09/24/1991US5050990 Variable detector geometry for resolving and sensing apparatus for filtering and other applications
09/24/1991US5050984 Method for colorizing footage
09/24/1991CA1289658C Compatibility of widescreen and non-widescreen television transmission
09/24/1991CA1289653C Apparatus for compressing and/or expanding time base
09/20/1991CA2037611A1 Television signal encoder
09/19/1991WO1991014345A2 Television set with separate processing of luminance signals and chrominance signals
09/19/1991WO1991014344A1 Video system with independently selectable luminance and color inversion
09/19/1991DE4108307A1 Colour electric still-picture camera - uses high capacity magnetic disc recording device for video processing device output signals
09/19/1991DE4016967C1 Monitor presenting large image - comprises VDUs having edge regions of display connected by glass optical fibres for gapless large area presentation
09/19/1991DE4008169A1 Colour television camera for video telephone system - uses rotating filter wheel in front of frame = transfer semiconductor image sensor
09/18/1991EP0447197A2 Digital image blending on a pixel-by-pixel basis
09/18/1991EP0447167A2 Image display device
09/18/1991EP0446674A2 Recording and reproducing system
09/18/1991EP0446647A2 Digital color video camera with auto-focus, auto-exposure and auto-white balance, and an auto-exposure system therefor which compensates for abnormal lighting
09/18/1991EP0446541A2 Automatic video convergence system
09/18/1991EP0446239A1 Digital to amplitude modulated analog converter
09/17/1991US5050010 Dual video signal simultaneous recording apparatus for a VCR
09/17/1991US5049985 Color images reading apparatus having transformation table formed base on average values of plural color component signals
09/17/1991US5049984 Motion picture telecine balanced for negative scanning
09/17/1991US5049983 Digital camera apparatus having an analog emphasis circuitry
09/17/1991US5049963 Holographic television apparatus with semiconductor device
09/17/1991US5049791 Device for measuring a characteristic of a color cathode ray tube
09/17/1991US5048931 Liquid crystal display projection system having improved contrast
09/12/1991DE4007505A1 Liquid crystal display image colour projector - has light beam deflected at angle via prisms in front and behind liquid crystal display modules
09/12/1991DE4007450A1 Generating sync. signal for colour TV transmission - using memory for data of flank direction intervals, phase position, and result mode of sync. signal curve
09/12/1991DE4007094A1 Fernsehgeraet mit getrennter verarbeitung von leuchtdichtesignal und farbsignalen TV with separate processing of luminance signal and color signals
09/11/1991EP0446053A2 Logical comb filters
09/11/1991EP0446000A2 Method and apparatus for video special effects
09/11/1991EP0445993A2 Reproduction of video signals
09/11/1991EP0445886A1 Television receiver with reduced threshold level frequency demodulator
09/11/1991EP0445780A2 Image signal recording and reproducing system
09/11/1991EP0445779A2 Image signal recording and reproducing system
09/11/1991EP0445727A2 Variable length coding method
09/11/1991EP0445513A1 Improved color TV projection lens system
09/11/1991EP0445425A1 Light valve projector for alternatively reproducing colour television signals with different aspect ratios
09/11/1991EP0445388A2 Apparatus and method for compressing and expanding multibit digital pixel data
09/11/1991CN2084695U Broken magnetic track complementor for video record editing machine
09/11/1991CN1013915B Luminance signal forming circuit
09/10/1991US5048111 Hybrid subband-based hierarchical storage and display method for high resolution digital images in a multiuse environment
09/10/1991US5047869 Recording device for electronic still camera
09/10/1991US5047866 Comb filter type luminance/chrominance signal separation circuit
09/10/1991US5047865 System for transmitting a digital video signal
09/10/1991US5047861 Method and apparatus for pixel non-uniformity correction
09/10/1991US5047847 Endoscope using liquid crystal devices different in the response frequency in the image forming optical system
09/10/1991US5047841 Encoder for television signals
09/10/1991US5047840 Luminance signal/chrominance signal separating circuit and a noise reduction circuit using a 3 line logical comb filter
09/10/1991US5047839 Image squeezing circuit for squeezing ordinary-sized image into smaller area
09/10/1991US5047838 Adaptive comb filter
09/10/1991CA1288805C Degaussing circuit with residual current cutoff
09/05/1991WO1991013519A1 Improvements in or relating to colour television
09/04/1991EP0444947A2 Improved definition television
09/04/1991EP0444925A2 Picture stabilising circuit
09/04/1991EP0444871A2 A projection type image display apparatus
09/04/1991EP0444838A2 Video signal reproducing apparatus
09/04/1991EP0444837A2 Video signal recording apparatus
09/04/1991EP0444789A2 Encoding and decoding of MAC video signals
09/04/1991EP0444717A2 Vector quantizer
09/04/1991EP0444699A2 Video signal recording apparatus
09/04/1991EP0444665A2 A laser scanning apparatus
09/04/1991EP0444513A2 Recording and reproducing system
09/04/1991EP0444341A2 Improved definition television
09/04/1991EP0444095A1 Image-processing system
09/04/1991CN1054331A Color picture tube having inline electron gun with astigmatic prefocusing lens
09/04/1991CA2037477A1 Reproduction of video signals
09/03/1991US5046162 Image input device having color filters and filter position detector
09/03/1991US5045955 Digital data recording and reproducing apparatus for recording and producing an image on and from a video tape through matrix conversion
09/03/1991US5045950 Circuit for detecting and compensating for jitter produced by a recording/reproducing apparatus
09/03/1991US5045940 Video/audio transmission systsem and method
1 ... 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 ... 805