Patents
Patents for H04N 9 - Details of colour television systems (80,494)
02/1998
02/25/1998EP0824825A2 Method and apparatus for defeating effects of color burst modifications to a video signal
02/25/1998EP0824824A1 System for altering the encoded video frames
02/25/1998EP0824729A1 A system for manually altering the quality of a previously encoded video sequence
02/25/1998EP0824510A1 Emulsions of organosilicon compounds for making building materials hydrophobic
02/25/1998CN1174644A Digital signal recording/reproducing device with editor
02/25/1998CN1174473A Image mixing circuit
02/25/1998CN1174472A Digital video signal processor
02/24/1998US5722041 Hybrid home-entertainment system
02/24/1998US5721724 Optical disc containing data stored and linked together in a hierarchical file structure
02/24/1998US5721720 Optical recording medium recording pixel data as a compressed unit data block
02/24/1998US5721628 Color image processing apparatus
02/24/1998US5721603 Illumination system and display device including such a system
02/24/1998US5721591 Recording data production apparatus and method, recording medium reproduction apparatus and method, and recording medium
02/24/1998US5721468 Flat-panel type picture display device with electron propagation ducts
02/19/1998WO1998007281A1 Film-to-video transfer system
02/19/1998WO1998007280A1 Thin film actuated mirror array in an optical projection system and method for manufacturing the same
02/19/1998WO1998007279A1 High efficiency projection displays having thin film polarizing beam-splitters
02/19/1998WO1998007061A1 Color projection prism
02/19/1998CA2263643A1 Color projection prism
02/18/1998CN1173780A Method of displaying VGA image on television set
02/18/1998CN1173777A Impedance matching circuit embodying high frequency feature and display device having impedance matching circuit
02/18/1998CN1173711A Video signal copying apparatus
02/18/1998CN1173698A Information recording medium, apparatus for recording the same and apparatus for reproducing the same
02/17/1998US5719986 Video signal encoding method
02/17/1998US5719983 Method and apparatus for placement of video data based on disk zones
02/17/1998US5719982 Apparatus and method for decoding data
02/17/1998US5719958 System and method for image edge detection using discrete cosine transforms
02/17/1998US5719956 Image processing apparatus with separate color conversion for CMY signals and K signal
02/17/1998US5719937 Multi-media copy management system
02/17/1998US5719721 Method and apparatus for recording track numbers in a standard recording mode and a long time recording mode
02/17/1998US5719706 Illuminating apparatus, projection lens, and display apparatus including the illumination apparatus and the projection lens
02/17/1998US5719660 Exposure apparatus having a PLZT shutter, a multi-colored filter disc and a shielding member to block exposure light
02/17/1998US5719640 Chromakey method and associated circuit arrangement
02/17/1998US5719634 Methods of and apparatus for encoding and decoding digital data for representation in a video frame
02/17/1998US5719624 Image recording apparatus with arithmetic processing
02/17/1998US5719542 Convergence yoke for improving focus characteristics
02/17/1998US5719074 Method of making a planar color filter array for CCDS from dyed and mordant layers
02/14/1998CA2183188A1 High efficiency projection displays having thin film polarizing beam splitters
02/12/1998WO1998006217A1 Video display and image intensifier system
02/12/1998WO1998005996A1 Solid optic color lcd projection system
02/12/1998DE19632188A1 Video picture correction value production method
02/12/1998DE19632018A1 Television receiver circuit with line delay line in colour channel
02/12/1998DE19631945A1 LCD video signal projector for e.g. television or computer monitor
02/11/1998EP0823825A2 Recording format setting apparatus for video recording system
02/11/1998EP0823824A2 Television receiver with a line delay in the colour channel
02/11/1998EP0823814A2 Image mixing circuit
02/11/1998EP0823813A2 Portable communication device
02/11/1998EP0823698A1 Improvements in or relating to digital micromirror display systems
02/11/1998EP0823114A1 Method for interleaving data for seamless playback of multiple program versions having common material
02/11/1998EP0739572A4 Multimode interpolation filter as for a tv receiver
02/11/1998CN2274394Y Improved device for conducting high-voltage coil and low-voltage coil
02/11/1998CN1172956A Optical element suitable for projection display apparatus
02/10/1998US5717816 Method and apparatus for the selection of data for use in VTR trick playback operation in a system using intra-coded video frames
02/10/1998US5717814 Variable-content video retriever
02/10/1998US5717472 Polarizing prism for panel type liquid crystal display front projector and optical system using the polarizing prism
02/10/1998US5717466 Circuit for interpolating scan lines of a video signal and method of using same
02/10/1998US5717436 Processing image signals with a single image support component
02/10/1998US5716122 Optical apparatus using polarizing beam splitter
02/10/1998CA2016286C Cascode mirror video amplifier
02/10/1998CA1339668C Image signal processor
02/05/1998WO1998005170A1 Video signal processing apparatus
02/05/1998WO1998004956A1 Enhanced video projection system
02/04/1998EP0822724A2 Digital video signal recording and/or reproducing apparatus
02/04/1998EP0822723A2 Screen of Projection Display
02/04/1998EP0821859A1 An in-home digital video unit with combined archival storage and high-access storage
02/04/1998EP0821858A1 Luma/chroma separation filter with common delay element
02/04/1998CN1172402A Method and device for removing non-synchronous sampling of colour burrs
02/04/1998CN1172398A Digital video signal processing apparatus
02/04/1998CN1172396A Device for regulating contrast of video images
02/04/1998CN1172341A Colour cathode-ray tube with indicating mode
02/04/1998CN1037310C Arrangement for correcting beam landing location error in video display
02/03/1998US5715358 Method for recording at least two picture signals and method of reproduction at least two picture signals
02/03/1998US5715357 Reproducing apparatus
02/03/1998US5715356 Apparatus for processing compressed video signals which are be recorded on a disk or which have been reproduced from a disk
02/03/1998US5715355 Optical disk having a particular format to store user-selected data, such as video data or computer files, including a dedicated TOC region
02/03/1998US5715354 Image data regenerating apparatus
02/03/1998US5715351 Double deck video cassette tape recorder with video signal processing circuit
02/03/1998US5715130 Demagnetization circuit and components therefor
02/03/1998US5715104 Magnetic recording and reproducing apparatus for high speed dubbing
02/03/1998US5715083 Screen for liquid crystal projector
02/03/1998US5715029 Optical dithering system using birefringence for optical displays and method
02/03/1998US5715022 Image display apparatus
02/03/1998US5715021 Methods and apparatus for image projection
02/03/1998US5715015 Method of enhancing details contained in a color signal and a circuit for implementing the same in a color video apparatus
02/03/1998US5714998 Video inspection system for conveyors
02/03/1998US5713652 Slide projector mountable light valve display
01/1998
01/29/1998WO1998004085A1 Moving picture recording device and moving picture reproducing device
01/29/1998DE19717121A1 Colour filter arrangement for digital video camera
01/28/1998EP0821524A2 Digital video signal processing apparatus
01/28/1998EP0821521A2 Method and apparatus for improving a video signal
01/28/1998EP0821258A2 Optical element suitable for projection display apparatus
01/28/1998EP0568526B1 Display system
01/28/1998CN1171702A Video copy protection method and device thereof
01/28/1998CN1171701A Bus controlled arrangement using duty cycle modulated control signal
01/28/1998CN1171691A Apparatus and method for reproducing multiple camera-angle signals from disc
01/28/1998CN1171598A Data setting-up method and medium for data recording or transmission and its treater
01/28/1998CN1037224C Television receiver with IF auto-gain control ring and auxiliary video clamp
01/27/1998US5712950 System and method for controlling play of multiple dialog audio tracks of a software carrier
01/27/1998US5712947 Method of recording ID signals for retrieving images, method of retrieving images, and apparatus for reproducing recorded images
01/27/1998US5712946 Recording/reproducing video signals with a plurality of playback speeds