Patents
Patents for H04N 9 - Details of colour television systems (80,494)
03/1980
03/18/1980US4194140 Beam-indexing color image-presentation cathode ray tube
03/18/1980CA1074005A1 Recording and playback system
03/11/1980US4193095 Driver system of memory type gray-scale display panel
03/11/1980US4193085 Apparatus for removing jitter in color television signal
03/11/1980US4193084 Video recorder having means for maintaining constant the amplitude of the frequency-modulated signal
03/04/1980US4191972 Flying spot single field scan telecine apparatus
03/04/1980US4191965 Apparatus and method for testing color sequencing of secam color television signals
03/04/1980US4191456 Optical block for high brightness full color video projection system
03/04/1980CA1073129A1 Line scan converter for an image display device
03/04/1980CA1073107A1 Color killer enhancement in a video signal recording/playback system
03/04/1980CA1073094A1 Color correction circuit for a color television receiver
02/1980
02/26/1980US4190865 Video image tube highlight suppression circuit
02/26/1980CA1072673A1 Apparatus for reading a record carrier
02/21/1980WO1980000292A1 Color television receiver
02/20/1980EP0008009A1 Method and circuit arrangement for storing video signals
02/19/1980US4189755 Television receiver threshold extension system by means of signal-to-noise control of bandwidth
02/19/1980US4189751 Solid state television camera with defect compensation to reduce noise
02/19/1980US4189745 Defect detecting apparatus
02/19/1980US4189742 Apparatus for indicating overcorrections, in electrical color correction apparatus
02/19/1980US4189741 Apparatus for improved color judgement in a color monitor for electrical color correction
02/19/1980US4189740 Common circuitry VIR control apparatus for color television receiver
02/12/1980US4188639 Video synchronous detector apparatus
02/12/1980US4188638 Color television signal having color-difference signals alternating between two carriers
02/12/1980CA1071766A1 Color-picture/multichannel-sound record
02/12/1980CA1071765A1 Video disc recording apparatus and methods
02/12/1980CA1071752A1 Solid state color camera
02/06/1980EP0007671A1 Colour television display device comprising a deflection coil unit provided with a deflection coil for the vertical deflection and deflection coil unit for such a display device
02/05/1980US4187451 Color picture display device with a circuit for generating a screen grid voltage
02/05/1980CA1071323A1 Solid state color camera
01/1980
01/29/1980US4186411 Recording and playback modulation method and apparatus
01/29/1980CA1070832A1 Apparatus for reading a disc-shaped record carrier
01/29/1980CA1070831A1 Apparatus for reading a record of disc form
01/29/1980CA1070821A1 Controlled oscillator
01/29/1980CA1070820A1 Color hue control circuit for color television receiver
01/22/1980US4185297 Color separation optical system for color television camera
01/22/1980US4185296 Color television camera
01/22/1980US4185295 Method of mixing SECAM color-T.V. signals
01/22/1980CA1070425A1 Reproducing apparatus with drop out suppression circuit
01/15/1980US4184178 Drop-out compensator for sound reproducing apparatus during tape reversal
01/15/1980US4184177 Television apparatus for consecutive frame scanning of continuous motion film
01/15/1980US4184176 Amplifier having different low-frequency and high-frequency feedback networks
01/15/1980US4184174 Comb filter system
01/15/1980US4184173 Color television receiving apparatus
01/15/1980CA1070011A1 Optically readable record carrier and playback system
01/08/1980US4183053 Projection type color television with a single cathode ray tube
01/08/1980US4183052 Solid state color camera
01/08/1980US4183051 Color television receiving system utilizing multimode inferred highs correction to reduce color infidelities
01/08/1980US4183050 Clamping circuit for color television signals
01/08/1980US4183049 Tint control signal generator for color television receiver
01/08/1980US4183048 VIR-controlled hue correction circuit
01/08/1980US4183047 Chroma level stabilizer
01/08/1980US4183045 Chroma keying selector system
01/08/1980US4183044 Remote control TV subcarrier phase shifter system
01/08/1980US4183043 Trilinear sequential transmission system for a color television signal, particularly for a recording
01/08/1980US4182647 Process of producing stripe filter
01/08/1980CA1069612A1 Magnetic recording and/or reproducing system
01/08/1980CA1069360A1 Colour splitting prism assembly
01/01/1980US4181917 Color television receiving system utilizing inferred high frequency signal components to reduce color infidelities in regions of color transitions
01/01/1980US4181817 High bit rate digital data signal transmission system
01/01/1980CA1069231A Color video synthesizer with monochrome input
01/01/1980CA1069209A Video amplifier
12/1979
12/25/1979US4180701 Phase lock loop for data decoder clock generator
12/25/1979CA1068812A Dropout compensation device
12/25/1979CA1068811A Defect compensation systems
12/18/1979US4179706 Color camera system
12/18/1979US4179705 Method and apparatus for separation of chrominance and luminance with adaptive comb filtering in a quadrature modulated color television system
12/12/1979EP0005955A1 Method of and apparatus for deriving a PAL colour television signal corresponding to any desired field in an 8-field PAL sequence from one stored field or picture of a PAL signal
12/11/1979US4178613 Television picture special effects system using digital memory techniques
12/11/1979US4178611 Optical low pass filter
12/11/1979US4178610 Clamp circuit for RGB output stages
12/11/1979US4178609 Comb filter having improved luminance response
12/11/1979US4178608 Contrast/color control for a television receiver
12/11/1979US4178607 PAL color television signal generator for control of time base corrector
12/11/1979US4178606 Color video signal recording and/or reproducing system
12/11/1979CA1067994A1 Colour television receiver including a chrominance subcarrier regenerator
12/04/1979US4177481 Magnetic recording and/or reproducing apparatus with chrominance crosstalk elimination
12/04/1979CA1067615A1 Sync separator
11/1979
11/27/1979US4176374 Sensitivity and calibration control for television camera registration system
11/27/1979US4176373 Signal processing for discrete-sample-type-color-video signal
11/20/1979US4175270 Method and apparatus for recording and reproducing video
11/20/1979US4175268 Solid state color camera
11/20/1979CA1066799A1 Semiconductor color detector
11/13/1979US4174522 Composite color signal-handling circuit
11/13/1979CA1066402A1 Set-up arrangement for a color television receiver
11/13/1979CA1066401A1 Gain control arrangement useful in a television signal processing system
11/06/1979US4173770 Manual tint control circuit in the color APFC loop mixes two subcarrier oscillator signals
11/06/1979US4173769 Circuit arrangement a portion of which is included within in a monolithic integrated semiconductor body
11/06/1979CA1065972A1 Complementary field effect transistor signal multiplier
11/06/1979CA1065961A1 Spark gap and discharge path arrangement for a television picture tube or like device
10/1979
10/30/1979US4173023 Burst gate circuit
10/30/1979CA1065484A1 Velocity correction circuit for video discs
10/30/1979CA1065471A1 Automatic beam current limiter
10/30/1979CA1065470A1 Switching arrangement for flesh tone correction and chrominance overload control circuits
10/30/1979CA1065469A1 Hue correction apparatus having a restricted range
10/23/1979US4171869 Color separation prism system for color television camera
10/23/1979CA1065050A1 Solid state television camera
10/17/1979EP0004811A2 Diascope for a television camera
10/16/1979CA1064610A1 Record carrier for a television signal
10/16/1979CA1064585A1 Phase control circuit and oscillator circuit using it
10/04/1979WO1979000745A1 Tv graphics and mixing control