Patents for H04N 5 - Details of television systems (344,250)
10/1981
10/06/1981USRE30762 Method and apparatus for video signal recording
10/06/1981US4293880 Apparatus for recording and reproducing video signals at selectable different tape traveling speeds from a plurality of pairs of video heads
10/06/1981US4293879 Method and apparatus for the variable speed reproduction of a video signal stored on magnetic tape
10/06/1981US4293878 Image projector for a television receiver
10/06/1981US4293877 Photo-sensor device and image scanning system employing the same
10/06/1981US4293875 Wide bandwidth video amplifier
10/06/1981US4293874 DC Restoration circuit for television receiver
10/06/1981US4293872 Production of printing blocks or forms
10/06/1981US4293869 Circuit for reducing drop-out errors in a video signal derived from a recording device
10/06/1981US4293768 Infrared radiation detecting apparatus and method of manufacturing
10/06/1981CA1110356A1 Mesfet device surface-wave-device channel selector
10/06/1981CA1110312A1 Video projecting apparatus
10/01/1981WO1981002800A1 Transverse tomography with optical filtering
09/1981
09/30/1981EP0036780A2 Method of producing photoelectric transducers
09/30/1981EP0036767A1 Magnetic recording method
09/29/1981USRE30756 Method and apparatus for video signal recording
09/29/1981US4292654 Deflection system and switched-mode power supply using a common ramp generator
09/29/1981US4292653 Method and circuit for reading-out data from a television pickup (image sensor)
09/29/1981US4292467 Control for audio receiver
09/29/1981CA1109960A1 Apparatus for optically detecting informations recorded on a carrier
09/29/1981CA1109959A1 Video carrier recognition system
09/29/1981CA1109957A1 Vertical aperture correction circuit
09/23/1981EP0036222A2 Focus servo system and focussing method
09/22/1981US4291344 Time base correcting system
09/22/1981US4291338 Automatic exposure control for pulsed active TV systems
09/22/1981US4291337 Electric charge transfer apparatus
09/22/1981US4291336 Composite keying signal generator for a television receiver
09/22/1981US4291335 Vertical synchronizing signal detector
09/22/1981US4291333 Noise filter
09/22/1981US4291330 Video signal processing circuit for eliminating an interfering signal
09/22/1981CA1109569A1 Energy independent uniformity improvement for gamma camera systems
09/22/1981CA1109559A1 Optical read unit for scanning a record carrier having a radiation-reflecting information structure
09/16/1981EP0035803A2 Disc spindle servo system
09/16/1981EP0035587A1 Thermo-imaging apparatus
09/15/1981US4290122 Self-synchronizing clock source for optical memories
09/15/1981US4290087 Coarse and fine control of segmented video playback apparatus with ancillary recording medium
09/15/1981US4290082 Noise and cross-talk elimination in recording and reproducing video signals
09/15/1981US4290081 Method and apparatus for stop frame reproduction in television picture fields each recorded on tape in a plurality of adjacent tracks
09/15/1981US4290062 System for digital transmission and text display
09/15/1981US4290038 Scanning-area rotation device for an image pickup tube
09/15/1981CA1109146A1 Automatic tracking servo control system
09/09/1981EP0035436A1 Television system using a marking code superimposed on the picture
09/09/1981EP0035299A2 Display device
09/09/1981EP0035289A2 Optical tracking system
09/09/1981EP0035288A2 Optical tracking method and system
09/09/1981EP0035287A2 Signal correction system and method
09/08/1981US4288817 Method and a device for eliminating fixed error disturbances in a pyroelectric vidicon
09/08/1981US4288815 Video picture processing including movement detection
09/08/1981US4288810 Method of and apparatus for deriving a PAL color television signal corresponding to any desired field in an 8-field PAL sequence from one stored field or picture of a PAL signal
09/08/1981US4288720 Method of erasing information in a scan converter storage tube
09/08/1981CA1108751A1 Television raster width regulation circuit
09/03/1981WO1981002491A1 Method of recording on an information carrier communicated in the form of electric signals
09/02/1981EP0034956A1 Television synchronization signal and test signal generator, and television system comprising such a generator
09/02/1981EP0034737A1 Method for improving the definition of a video image
09/01/1981US4287539 Segmented video recording with segment identification codes
09/01/1981US4287538 Magnetic head tracking control system
09/01/1981US4287534 Method and system for creating a geometric figure at a selected position on the screen of a cathode ray tube
09/01/1981US4287529 Time base error correcting apparatus
09/01/1981US4287458 Digital servo control circuit
09/01/1981US4287441 Correlated double sampling CCD video preprocessor-amplifier
09/01/1981CA1108298A1 D.c. stabilized analog-to-digital converter
09/01/1981CA1108287A1 Special video effect generator
09/01/1981CA1108250A1 Demodulating apparatus with phase shift compenstion
08/1981
08/26/1981EP0034310A1 Circuit for obtaining a line flyback pulse in a television receiver
08/25/1981US4286336 Automatic shutdown arrangement for stand-alone television modulator
08/25/1981US4286290 Fast recovery squelch circuit for a video disc player
08/25/1981US4286282 Periodically biased video disc player servo system
08/25/1981US4286281 Video format signal recording and reproducing device
08/25/1981US4285455 Mechanical film drive for driving motion picture film, particularly in projection and scanning systems
08/25/1981CA1107859A1 Record handling system for a video disc player
08/25/1981CA1107854A1 Dropout compensator with proportional duration dropout detector
08/19/1981EP0034091A1 Antiglare device for a television camera, particularly applicable to missile guidance
08/19/1981EP0033818A1 A television receiver comprising a line synchronisation circuit
08/18/1981US4285017 Stripe following in a helical scan device
08/18/1981US4285014 Channel division recording/reproducing apparatus
08/18/1981US4285006 Ghost cancellation circuit system
08/18/1981US4285004 Total raster error correction apparatus and method for the automatic set up of television cameras and the like
08/18/1981US4284960 Photo-feedback preamplifier circuit
08/18/1981CA1107394A1 Magnetic recording and reproducing device
08/18/1981CA1107389A1 Television signal processing circuit including a trap circuit
08/18/1981CA1107388A1 Circuitry for line recognition of a television signal
08/18/1981CA1107387A1 Solid state television camera
08/18/1981CA1107385A1 Projector
08/18/1981CA1107379A1 Color responsive imaging device employing wavelength dependent semiconductor optical absorption
08/12/1981EP0033608A1 Sequential data block address processing circuits
08/11/1981US4283792 Automatic fine tuning circuit
08/11/1981US4283785 Optical information recording apparatus
08/11/1981US4283766 Automatic camera control for creating special effects in motion picture photography
08/11/1981US4283744 Video reproducing apparatus with variable delay means
08/11/1981US4283742 Solid-state imaging apparatus with fixed pattern noise reduction
08/11/1981US4283741 Signal separation networks
08/11/1981US4283737 Video signal reproducing apparatus with circuit avoiding skew distortion when operated at abnormal speed and/or direction
08/11/1981US4283736 Video signal reproducing apparatus for converting a video signal from a first format to a second format
08/11/1981US4283735 Method and apparatus for selectively deleting during video tape recording
08/11/1981US4283711 Cross-track distributor for video signals
08/11/1981US4283671 Automatic residual phase error compensation circuit for a digital servo control system
08/11/1981US4283662 Line scan circuits for cathode ray tube displays
08/11/1981US4283137 Image scanning system
08/11/1981US4283120 Light valve projection system with off axis raster orientation
08/11/1981CA1106964A1 Solid state television camera