Patents for H04N 7 - Television systems (274,023)
09/1994
09/13/1994CA1332002C Television signal processing system for reducing diagonal image artifacts
09/12/1994CA2091539A1 Video compression/decompression processing and processors
09/12/1994CA2091538A1 Programmable architecture and methods for motion estimation
09/10/1994CA2091281A1 Subliminal image modulation projection and detection system
09/08/1994EP0622003A4 Multichannel television signal scrambling and descrambling system and method.
09/08/1994DE4406837A1 Image correction device and method for a camcorder
09/08/1994DE4406346A1 Imaging system
09/08/1994DE4404983A1 Device for the non-mechanical treatment and processing of root canals by means of laser radiation
09/07/1994EP0614318A2 Video encoder, video decoder, and video motion estimation apparatus
09/07/1994EP0614317A2 Video signal decoding
09/07/1994EP0614316A2 Apparatus and method for moving picture coding
09/07/1994EP0614315A2 Automatic display of auxiliary video information during audio muting
09/07/1994EP0614312A2 Noise reduction system using multi-frame motion estimation, outlier rejection and trajectory correction
09/07/1994EP0614308A1 Method and apparatus for controlling access to selected image components in an image storage and retrieval system
09/07/1994EP0614297A2 Star configuration network system
09/07/1994EP0614186A2 Transmitting apparatus
09/07/1994EP0614184A2 Digital recording and reproducing
09/07/1994EP0613605A1 Process for synchronizing the scanning circuit of an image display device
09/07/1994EP0613601A1 Headend processing for a digital transmission system
09/07/1994EP0613600A1 Transaction based interactive television system
09/07/1994CN1091884A Moving picture decoding device
09/07/1994CN1091883A Data coding for a digital video tape recorder suitable for high speed picture playback
09/07/1994CN1091881A Pstn architecture for video-on-demand services
09/07/1994CN1091850A Apparatus for recording and reproducing a digital video and audio signal
09/06/1994USRE34720 Television signal enhancement and scrambling system
09/06/1994US5345599 Increasing capacity in wireless broadcast systems using distributed transmission/directional reception (DTDR)
09/06/1994US5345594 Information transmission system retransmitting information signals according to retransmission schedule
09/06/1994US5345514 Method for inspecting components having complex geometric shapes
09/06/1994US5345505 Coding system for a data signal
09/06/1994US5345504 Differential compensation control for off-premises CATV system
09/06/1994US5345440 Reception of orthogonal frequency division multiplexed signals
09/06/1994US5345408 Inverse discrete cosine transform processor
09/06/1994US5345272 Delay matching for video data during expansion and compression
09/06/1994US5345270 Managing letterbox signals with logos and closed captions
09/06/1994US5345269 Adaptive prediction encoding device which can effectively refresh an encoded signal with an encoding efficiency kept high
09/06/1994US5345268 Standard screen image and wide screen image selective receiving and encoding apparatus
09/06/1994US5345259 Contour emphasis circuit
09/06/1994US5345258 A videophone having an automatic answering capability
09/06/1994CA2117006A1 Noise reduction system using multi-frame motion estimation, outlier rejection and trajectory correction
09/06/1994CA1331884C Telephone dial-up vendor service
09/04/1994CA2116807A1 Control system for controlling a camera and method thereof
09/01/1994WO1994019910A1 Universal tv interface and related method
09/01/1994WO1994019909A1 Method of selecting cable television converter groups
09/01/1994WO1994019908A1 Continuous diffuse illumination method and apparatus
09/01/1994WO1994019907A1 Communication system
09/01/1994WO1994019906A1 Generation of enlarged participatory broadcast audience
09/01/1994WO1994019905A1 Adaptive letterbox detector
09/01/1994WO1994019903A1 Improved video subscriber system and methods for its use
09/01/1994WO1994019881A1 System and method for remotely selecting subscribers and controlling messages to subscribers in a cable television system
09/01/1994WO1994019212A2 Automatic rearview mirror and vehicle interior monitoring system using a photosensor array
09/01/1994WO1994016499A3 Signal processing system
09/01/1994CA2155537A1 System and method for remotely selecting subscribers and controlling messages to subscribers in a cable television sysem
09/01/1994CA2155535A1 Method of selecting cable television converter groups
08/1994
08/31/1994EP0613306A2 Apparatus for controlling quantizing in a video signal compressor
08/31/1994EP0613305A2 Differential coding method and apparatus
08/31/1994EP0613304A2 Half-pixel interpolation for a motion compensated digital video system
08/31/1994EP0613303A2 Image signal compression apparatus and method thereof
08/31/1994EP0613302A2 Videodecoder with a control unit
08/31/1994EP0613301A2 Video data compressor minimizing propagation of error
08/31/1994EP0613300A2 Apparatus for encoding and decoding header data in picture signal transmission
08/31/1994EP0613299A2 Dual bus dual bank architecture for motion compensation
08/31/1994EP0613298A2 Video playback device with multiple access
08/31/1994EP0613297A2 Digital high definition television video recorder with trick-play features
08/31/1994EP0613293A2 Multiple module block matching architecture
08/31/1994EP0613292A1 An image processing system
08/31/1994EP0613097A2 A dynamic image processor
08/31/1994EP0451205B1 Television transmission system compatible with conventional television standards
08/31/1994EP0335891B1 Cable television impulse pay per view system
08/30/1994US5343386 Apparatus for making electronically-produced postcards and method of operating same
08/30/1994US5343315 Interactive optical transmission system
08/30/1994US5343305 Multiple addressing facsimile system
08/30/1994US5343301 Input clock presence detector for a digital video input
08/30/1994US5343300 Apparatus for providing TV program information
08/30/1994US5343299 Television signal converting apparatus
08/30/1994US5343284 Imaging lidar system employing bistatic operation
08/30/1994US5343256 Image coding apparatus
08/30/1994US5343250 Multiple picture/sound signals decoding apparatus
08/30/1994US5343248 Moving image compressing and recording medium and moving image data encoder and decoder
08/30/1994US5343247 Filter circuit for preprocessing a video signal to be coded
08/30/1994US5343241 Digital video signal with increased motion blur characteristic
08/30/1994US5343240 Bidirectional video telephony using shared channels on coaxial cable networks
08/30/1994US5343239 Transaction based interactive television system
08/30/1994US5343237 System for detecting and warning an illegally parked vehicle
08/30/1994US5343158 Amplifier device for a cable television distribution network
08/30/1994CA1331805C Passenger vehicle polling system
08/30/1994CA1331790C Reproduction of secure keys by using distributed key generation data
08/25/1994DE4405639A1 Device for adaptive encoding of variable length
08/24/1994EP0612190A2 Apparatus for recording and reproducing digital video signal
08/24/1994EP0612188A1 Television signals transmission device
08/24/1994EP0612187A2 Identifying film frames in a video sequence
08/24/1994EP0611512A1 Apparatus for concealing errors in a digital video processing system
08/23/1994US5341474 Communications architecture and buffer for distributing information services
08/23/1994US5341442 Method and apparatus for compression data by generating base image data from luminance and chrominance components and detail image data from luminance component
08/23/1994US5341441 Method and apparatus for coding image information, and method of creating code books
08/23/1994US5341425 Methods and apparatus for uniquely encrypting data at a plurality of data transmission sites for transmission to a reception site
08/23/1994US5341424 Interdiction method and apparatus with frequency change inhibit function
08/23/1994US5341318 System for compression and decompression of video data using discrete cosine transform and coding techniques
08/23/1994US5341248 Magnetic recording/reproducing apparatus having head structure for selectively recording/reproducing either of two kinds of signals containing different amounts of information
08/23/1994US5341240 Disposable endoscope
08/23/1994US5341216 CATV channel access control and metering apparatus