Patents
Sitemap › H04 - Electric communication technique › H04N - Pictorial communication, e.g. television › H04N 7 - Television systems
Patents for H04N 7 - Television systems (274,023)
10/1985
10/01/1985US4545075 Satellite block transmission using wideband fiber optic links
10/01/1985US4545048 Service integrated digital transmission system
10/01/1985US4544950 Technique for the transmission of video and audio signals over a digital transmission system
09/1985
09/25/1985EP0155762A2 Descrambler subscriber key production system utilizing key seeds stored in descrambler
09/24/1985US4543607 Video processors
09/24/1985US4543606 Security device for cable television
09/24/1985US4543605 X-ray examination apparatus
09/24/1985US4543604 Diagnostic radiology system for angiographic X-ray examinations
09/24/1985US4543598 Color television systems
09/24/1985US4543559 Generator of encoding or decoding 8-bit bytes which can be used in a video system
09/24/1985CA1328501B Security System for SSTV Encryption
09/24/1985CA1194214A1 Community antenna arrangement
09/24/1985CA1194213A1 Sync suppression scrambling of television signals for subscription tv
09/24/1985CA1194212A1 Security system for sstv encryption
09/24/1985CA1194150A1 Fm-demodulator
09/24/1985CA1194127A1 Optical transmitting and receiving apparatus
09/18/1985EP0154766A2 A method for processing gray scale picture elements to facilitate data compression
09/17/1985US4542413 Facsimile device for run length coding
09/17/1985US4542411 Redundancy reduction coding method of multi-tone picture signal and apparatus therefor
09/17/1985US4542407 Method and apparatus for scrambling and descrambling television programs
09/17/1985US4542406 Video/audio simultaneous transmission system
09/17/1985US4542300 High frequency signal switching device
09/17/1985CA1193762A1 X-ray examination apparatus
09/17/1985CA1193761A1 Digital fluorographic method and system
09/17/1985CA1193712A1 Double-scanning non-interlace television receiver
09/17/1985CA1193708A1 Protected television signal distribution system
09/17/1985CA1193552A1 Voice-actuated switching system
09/12/1985WO1985004065A1 Vision system
09/12/1985WO1985004036A1 Spatial imaging system
09/11/1985EP0154301A2 Display unit
09/11/1985EP0154126A2 Method of determining the displacement in a picture sequence, and arrangement and applications therefor
09/11/1985EP0154125A2 Method for movement-adaptive interpolation of a television picture sequence and apparatus and applications therefor
09/10/1985US4541106 Dual energy rapid switching imaging system
09/10/1985US4541012 Video bandwidth reduction system employing interframe block differencing and transform domain coding
09/10/1985US4541009 Process and device for sampling a sine wave signal by a multiple frequency signal
09/10/1985US4541008 Television signal bandwidth reduction using variable rate transmission
09/10/1985US4541007 Stereoscopic color television system
09/04/1985EP0153903A1 Video conference system
09/04/1985EP0153837A2 Pay television system
09/04/1985EP0153749A2 Digital transmission system for transmitting and displaying pictures and data
09/04/1985EP0153667A2 Dual energy rapid switching imaging system
09/03/1985US4539595 Apparatus and method for conveying camera control information on the black burst signal
09/03/1985US4539592 Double-scanning non-interlace television receiver
09/03/1985US4539586 Connector module for video endoscopic system
09/03/1985CA1193012A1 Image processing method using a block overlap transformation procedure
09/03/1985CA1192997A1 Bilevel coding of colour video signals
09/03/1985CA1192994A1 Sine-wave decoding technique
09/03/1985CA1192990A1 Method and apparatus for operating a microprocessor in synchronism with a video signal
08/1985
08/29/1985WO1985003830A1 Method and apparatus for subscription broadcast
08/28/1985EP0153218A2 Method and arrangement for the detection of superficial faults in a moving sheet
08/28/1985EP0153167A2 Method of image enhancement by raster scanning
08/28/1985EP0152738A1 Scanning line interpolation circuit for television signal
08/27/1985US4538236 Adaptive digital signal coring circuit
08/27/1985US4538176 Buffer memory dispersion type video/audio transmission system
08/27/1985US4538175 Receive only earth satellite ground station
08/27/1985US4538174 Two-way subscriber TV system with multiple subscriber's sets
08/27/1985US4538172 Analog to digital converting system for composite video signal
08/21/1985EP0152355A2 Image information retrieval/display apparatus
08/21/1985EP0152309A2 Television sound signal processing apparatus
08/21/1985EP0152251A2 Broadcasting system
08/21/1985EP0152173A1 Switch assembly and circuit
08/21/1985EP0152141A2 System for playing back a programme recorded on a disc-shaped record carrier
08/20/1985US4536798 Volume control for CATV and method therefor
08/20/1985US4536791 Addressable cable television control system with video format data transmission
08/20/1985CA1192309A1 Method and apparatus for encoding and decoding a binary digital information signal
08/20/1985CA1192302A1 Signal recording and/or reproducing technique
08/20/1985CA1192300A1 Double-scanning non-interlace television receiver with vertical aperture correction circuit
08/20/1985CA1192260A1 Distribution system for a local area network
08/20/1985CA1192139A1 Television receiver for demodulating a two-language stereo broadcast signal
08/15/1985WO1985003604A1 Pseudo-random binary sequence generators
08/14/1985EP0151147A1 Security system for television signal encryption.
08/13/1985US4535356 Music information transmission system
08/13/1985US4535355 Method and apparatus for scrambling and unscrambling data streams using encryption and decryption
08/13/1985US4535352 Technique for generating semi-compatible high definition television signals for transmission over two cable TV channels
08/13/1985US4535296 FM-Demodulator with ladder filter delay line and multiplier
08/13/1985CA1191957A1 Method and apparatus for compressing and decompressing strings of electrical digital data bits
08/13/1985CA1191939A1 Video inspection system
08/07/1985EP0150935A2 Inter-frame coding apparatus for video signal
08/07/1985EP0150412A2 Method of determining the length of a bundle of errors
08/06/1985US4534059 Method for correcting gradation of output data, for use in a picture digital processing system
08/06/1985US4533960 System for encoding and decoding video signals
08/06/1985US4533957 Method of processing picture signal to increase average run length and apparatus therefor
08/06/1985US4533951 System for generating and displaying a compatible high definition television signal by progressive scanning
08/06/1985US4533949 Subscription television system
08/06/1985US4533948 CATV Communication system
08/06/1985US4533947 Adaptable area for image storage
08/06/1985US4533943 Videocommunication network between videophone terminals and a picture bank
08/06/1985US4533936 System for encoding and decoding video signals
08/06/1985CA1191636A1 Pictorial information processing technique
08/01/1985WO1985003401A1 Method and system for scrambling information signals
08/01/1985WO1985003399A1 Demodulator for television signals
07/1985
07/31/1985EP0149804A2 Method of determining the exact length of a bundle of errors
07/30/1985US4532546 Real time single frame memory for converting video interlaced formats
07/30/1985US4532545 Subteranean surveying apparatus
07/30/1985US4532543 High channel density community antenna arrangement having low intermodulation products
07/30/1985CA1191250A1 Double-scanning non-interlace color television receiver
07/30/1985CA1191249A1 Ccd camera
07/24/1985EP0149536A2 Communications system
07/24/1985EP0149516A2 Realtime digital diagnostic image processing system
07/24/1985EP0149316A2 Video display address generator
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