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)
09/1991
09/03/1991US5045932 Method and apparatus for generating a high definition electronic signal from a line scan of a color original
09/03/1991US5045930 Optical system for a three-tube projection television set
09/03/1991US5045929 Three dimensional luma/chroma separation and vertical detail generation
09/03/1991US5045928 White balance control with choice of control dependent on brightness
09/03/1991US5045927 White balance adjusting device
09/03/1991US5044730 Color changing device
09/03/1991CA2037161A1 Video signal recording apparatus
08/1991
08/28/1991EP0443966A1 Automatic connection system for a S-VHS input of a colour television
08/28/1991EP0443945A1 Sampling rate converter
08/28/1991EP0443678A2 CRT raster distortion correction circuit
08/28/1991EP0443676A1 Transmission system for digitised television images
08/28/1991EP0443618A2 Method for producing a PTC thermistor
08/28/1991EP0443586A2 Projector
08/28/1991EP0443582A2 Color picture tube having an inline electron gun with an astigmatic prefocusing lens
08/28/1991EP0443545A2 Magnetic recording and reproducing system
08/28/1991EP0443064A1 Device for the insertion of a first image in a second image on a screen
08/28/1991CN1054161A Method for adjusting position of deflection screen in television device
08/28/1991CN1013724B Clock signal generation system
08/27/1991US5043830 System for recording and reproducing digital audio signal
08/27/1991US5043825 Intermediate picture field storage system for slow motion playback of video tape recording
08/27/1991US5043821 Image pickup device having a frame-size memory
08/27/1991US5043817 Solid-state
08/27/1991US5043804 Color video camera with color reproducibility compensation for discharge lamp ambient light source
08/27/1991US5043803 Signal processing circuit for a solid-state image pickup device
08/27/1991US5043802 Frame still pictures with no double images
08/27/1991US5043801 Solid-state image sensing apparatus with an independently and individually controlled photoelectric conversion period for each primary color for use in achieving a white balance
08/27/1991US5043799 Color image display control apparatus with correction of phase difference in sampling clock
08/27/1991US5043798 Band compression transmission system for video signal using sub-Nyquist sampling
08/27/1991US5043639 Video display apparatus with kinescope spot burn protection circuit
08/27/1991US5042921 Liquid crystal display apparatus
08/27/1991US5042913 Electrical signal forming apparatus having image splitting prism
08/27/1991US5042908 Projection screen device
08/26/1991EP0459984A4 Active shadow mask color crt.
08/22/1991WO1991012696A1 Process for the demodulation of secam-coded colour-television signals with a line-coupled cycle, and a circuit for carrying out the process
08/22/1991WO1991012695A1 Color difference compressor
08/22/1991WO1991011076A3 Video display system
08/22/1991WO1991006180A3 Method and apparatus for signal companding
08/22/1991DE4104523A1 Image processor for PAL video signals - has several memory blocks which are energised by control such that they can store two types of data
08/21/1991EP0442818A2 FM demodulator
08/21/1991EP0442634A2 Video signal separation circuits
08/21/1991EP0442478A2 Apparatus for carrying out y/c separation
08/21/1991EP0442369A2 Gradation correcting apparatus
08/21/1991EP0442269A2 White balance adjusting system for a color image pickup apparatus
08/21/1991EP0442161A1 Device for projecting television pictures
08/21/1991EP0441899A1 Automatic color balancing in a film to video transfer system
08/21/1991EP0441861A1 Frame-sequential colour display system
08/20/1991US5041998 Digital video mixer
08/20/1991US5041925 Tape reproducing apparatus with recorded made detection by comparison of tracking error signal
08/20/1991US5041910 Apparatus having improved switching functions for processing video signals
08/20/1991US5041905 Digital teleconverter
08/20/1991US5041904 Video signal processing circuit
08/20/1991US5041866 Density correcting system for film image reading equipment
08/20/1991US5041764 Horizontal misconvergence correction system for color video display
08/20/1991US5040877 Low loss liquid crystal modulator for coloring and shaping a light beam
08/20/1991US5040872 Beam splitter/combiner with path length compensator
08/17/1991WO1991013518A1 Display system
08/17/1991CA2075996A1 Display system
08/14/1991EP0441723A1 Automatic colour television standard indentification method
08/14/1991EP0441658A2 Method for processing of a component form video signal
08/14/1991EP0441314A2 Magnetic recording and reproducing apparatus
08/14/1991EP0440876A2 Color signal converting circuit
08/14/1991DE4104229A1 Electron beam convergence system - has magnetic fields produced to correct beams vertically and horizontally
08/14/1991CN1013539B Apparatus for compensation for image rotatin in crt display
08/13/1991US5040082 Recording apparatus
08/13/1991US5040065 Video image reproducing apparatus provided with a contrast adjustment device, and method of adjusting the contrast in such a reproducing apparatus
08/13/1991US5040064 Method of processing sampled signal valves produced by a color imaging device
08/13/1991US5040061 Method and apparatus for transmitting a compressed picture signal by using different encoding techniques for portions of each frame
08/13/1991US5040058 Raster graphic helmet mountable display
08/13/1991US5040054 Circuit apparatus for automatic correction of TV color balance
08/13/1991US5039923 Focus adjusting device for projection display
08/13/1991US5039911 Apparatus for dynamic magnetic field control
08/13/1991US5038660 Recording medium playing apparatus with program discontinuity response
08/08/1991WO1991011887A1 Improved video display transfer
08/08/1991WO1991011886A1 Polarized light 360° viewing system
08/08/1991DE4102191A1 Automatic white balance control circuit for video camera
08/08/1991DE4003417A1 Verfahren zum abgleich analoger schaltungsteile innerhalb einer integrierten schaltung Method of adjustment-analog circuit components within an integrated circuit
08/07/1991EP0440408A1 Recording and reproduction method and apparatus
08/07/1991EP0440230A1 Television video signal converting apparatus and movie film image processing system
08/07/1991EP0440216A2 White balance control system
08/07/1991EP0440167A2 Recording mode discrimination circuit
08/07/1991EP0439946A2 Television signal encoder/decoder control
08/07/1991CN1013470B Projection device and associated display device
08/06/1991WO1991011857A1 Device for equalizing analog circuit parts in an integrated circuit
08/06/1991US5038220 Method and apparatus for simultaneously recording two independent video signals
08/06/1991US5038219 Video signal recording apparatus
08/06/1991US5038217 Apparatus and method for editing still video and audio information by erasure
08/06/1991US5038206 Picture-quality improving circuit
08/06/1991US5038205 Automatic white balance control circuit which operates on successive fields of video data
08/06/1991US5038204 Multi-level analog composite video signal generating apparatus
08/06/1991US5038203 Burst gate pulse generating circuit
08/06/1991US5038098 Simultaneous display of two unrelated signals
08/06/1991US5037196 Projection-type color display apparatus
08/06/1991CA1287400C Electronic still image camera system with enhanced resolution
07/1991
07/31/1991EP0439393A1 Spatial electro-optic modulator and uses
07/31/1991EP0439334A2 Motion analysis system
07/31/1991EP0439297A1 Contour accentuation circuit for a colour signal
07/31/1991EP0439246A2 Magnetic recording/reproducing apparatus
07/31/1991EP0439144A2 Apparatus and method for an image frame in plural blocks
07/31/1991EP0439132A1 Magnetic recording and reproducing apparatus
07/31/1991EP0439039A1 Method for processing a pal colour television signal
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