Patents for H04N 7 - Television systems (274,023)
12/1980
12/16/1980US4240109 Video movement detection
12/16/1980US4240107 Apparatus and method for pattern information processing
12/16/1980US4240106 Video noise reduction
12/16/1980US4240101 Television standards conversion
12/16/1980CA1091810A1 Predictive codec capable of selecting one of at least three prediction signals in two steps
12/10/1980EP0020244A2 Method and device for addressing a teletext image buffer memory
12/10/1980EP0020243A1 Page selection device for teletext system
12/10/1980EP0020242A2 Method for teletext character alignment and device for carrying out this method
12/10/1980EP0019936A1 Method and device for digital encoding and decoding of composite PAL video signal
12/10/1980EP0019878A1 Time-axis picture-signal converter for facsimile and the like
12/10/1980EP0019746A1 Directional radio relay system for large communal antenna systems
12/09/1980US4238768 Picture signal coding apparatus
12/09/1980US4238767 Arrangement for measuring the mobility of image points of a video image
12/09/1980US4238766 Channel level adjusting apparatus
12/02/1980US4237486 Compatible transmission of an encoded signal with a television
12/02/1980US4237484 Technique for transmitting digital data together with a video signal
11/1980
11/27/1980WO1980002630A1 Videotex system provided with means for protection against transmission errors
11/26/1980EP0019545A1 Videography-system provided with protection means against transmission errors
11/26/1980EP0019287A1 Data communications system
11/26/1980EP0019286A2 Data communications terminal
11/25/1980US4236181 Defect detecting device
11/25/1980US4236180 Monitoring system for monitoring a field
11/25/1980US4236176 Luminance circuit for color television camera
11/25/1980US4236080 X-ray apparatus for computed tomography
11/25/1980CA1090463A1 Image transmission method and apparatus
11/18/1980US4234891 Optical illumination and distortion compensator
11/18/1980CA1089975A1 Apparatus for decoding scrambled television and similar transmissions
11/18/1980CA1089974A1 Subscription television decoder apparatus
11/18/1980CA1089770A1 Methods of a coarse-scan/fine-print character reproduction with compression
11/14/1980EP0016125A4 Method and system for subscription television billing and access.
11/13/1980WO1980002490A1 Method and apparatus for producing an image of a person's face at a different age
11/13/1980WO1980002489A1 Apparatus for decoding digital information processed for inclusion in a wide band t.v.video signal
11/12/1980EP0018784A1 Communication system with digital audio scrambler and unscrambler subsystems for transmission of audio intelligence through a television system
11/12/1980EP0018783A1 A scrambling and unscrambling system for television sound signals
11/12/1980EP0018782A1 Communication system with digital signal/noise ratio amplifier apparatus
11/12/1980EP0018673A1 Method of measuring shooting errors and shooting error measurement device for carrying out the method
11/11/1980US4233628 NTSC receiver useable with Teletext/Viewdata information
11/11/1980US4233627 Signal multiplexing system
11/11/1980US4233601 Display system
11/04/1980US4232338 Method and apparatus for video signal encoding with motion compensation
11/04/1980US4232336 Inspection of elongated material
11/04/1980US4232196 Video telephone apparatus
11/04/1980CA1089119A1 X-ray examining device comprising a television chain which includes a memory
11/04/1980CA1089100A1 Image coder-decoder using a matrix transform with weighted contribution of several points of the image to the formation of one point of the transform
11/04/1980CA1089078A1 Real time ultrasonic b-scan imaging and doppler profile display system and method
10/1980
10/28/1980US4231062 Charge-coupled device imager system
10/28/1980US4230990 Broadcast program identification method and system
10/28/1980CA1088673A1 Video signal converting system
10/21/1980US4229830 Apparatus and method for providing a modulation format for multiple wideband signal transmission
10/21/1980US4229820 Multistage selective differential pulse code modulation system
10/15/1980EP0017268A1 Device for dividing a recurrent input signal by a non-integer divisor f, notably by f=N-1/2, and its use in a television receiver display
10/14/1980US4228433 Information display position-defining circuit for a cathode ray tube
10/14/1980CA1087760A1 Tomometry system having provisions for selectively adjusting the format of a displayed picture
10/14/1980CA1087741A1 Predictive encoder with a non-linear quantizing characteristic
10/07/1980US4227204 Method and apparatus for PCM-encoding NTSC color television at sub-Nyquist rate
10/01/1980EP0016503A1 Waveform correction circuit
10/01/1980EP0016491A1 Means for making moving parts visible
10/01/1980EP0016125A1 Method and system for subscription television billing and access.
09/1980
09/30/1980US4225967 Broadcast acknowledgement method and system
09/30/1980US4225929 Code converter circuitry system for selectively rotating a video display picture
09/30/1980US4225885 Method and apparatus for adaptive transform coding of picture signals
09/30/1980US4225884 Method and system for subscription television billing and access
09/30/1980US4225217 Film card with reference frame
09/30/1980CA1086490A1 Opto-electrical transducer controlled coating apparatus
09/23/1980US4224678 Method and apparatus for implementing a processor based on the rationalized Haar transform for the purpose of real time compression of video data
09/18/1980WO1980001977A1 Technique for estimation of displacement and/or velocity of objects in video scenes
09/18/1980WO1980001976A1 Method and apparatus for video signal encoding with motion compensation
09/17/1980EP0015839A1 Method and systems for the electronic generation of a wide-angle animated image for a ship navigation training device
09/17/1980EP0015797A1 Selectively variable audio-video interconnection system
09/16/1980US4223212 Card selector device
09/16/1980CA1085930A1 Selective cctv communicating
09/09/1980US4222073 Multiplexed information signal receiving system
09/09/1980US4222068 Subscription television apparatus and methods
09/09/1980US4222067 Tamper-resistant television signal scrambling
09/09/1980US4222066 CATV Subscription service control device and attenuator therefor
09/09/1980CA1085480A1 Automatic monitor for programs broadcast
09/04/1980WO1980001864A1 Process and apparatus for data compression,particularly of television signals
09/03/1980EP0015212A1 Method and apparatus for data compression, in particular of television signals
09/02/1980US4220931 Composite video automatic gain control amplifier
08/1980
08/26/1980US4218989 Apparatus for applying refractory material onto the inner surface of a furnace under monitoring by a TV camera
08/20/1980EP0014654A1 Subscription card for a videotext receiver
08/20/1980EP0014653A1 System for conveying information between a transmitting centre and receiving stations, the system being provided with control means for gaining access to the conveyed information
08/20/1980EP0014652A1 Videography system provided with control means for gaining access to the information
08/20/1980EP0014348A1 Method of transmitting a stereophonic signal via two separate sound carriers contained in a television signal, as also a decoder for deriving right and left information from a stereophonic signal thus transmitted
08/19/1980US4218704 Method and apparatus for video signal encoding with motion compensation
08/19/1980US4218703 Technique for estimation of displacement and/or velocity of objects in video scenes
08/19/1980US4218698 TV Graphics and mixing control
08/19/1980US4218697 Digital data transmission arrangement using a standard TV video
08/12/1980US4217609 Adaptive predictive coding system for television signals
08/12/1980US4217607 Process and device for the instantaneous display of a countryside scanned by a camera of the single line scanning type
08/12/1980CA1083679A1 Automatic cable equalizer circuit
08/07/1980WO1980001636A1 Videotex system provided with information access control means
08/07/1980WO1980001635A1 Information transmission system between a transmission center and receivers,this system being provided with a control means for access to the transmitted information
08/07/1980WO1980001634A1 Subscriber card for videotex receiver and loading set for this card
08/06/1980EP0013801A1 Method and system for generating moving objects on a video display screen
08/05/1980US4216500 Encoding and decoding system
08/05/1980US4216499 Inspection system for baggage
08/05/1980US4216497 Apparatus for monitoring a multichannel receiver
07/1980
07/29/1980US4215370 Satellite video multiplexing communications system
07/29/1980US4215369 Digital transmission system for television video signals