| Patents for H04N 17 - Diagnosis, testing or measuring for television systems or their details (14,049) |
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| 10/17/1989 | US4875089 Multi-standard vectorscope |
| 10/17/1989 | US4875032 Method and apparatus for processing colorimetric parameters of a color sample |
| 10/11/1989 | EP0336594A2 Video monitor |
| 10/11/1989 | EP0336316A2 Vertical deflection circuit with service mode operation |
| 10/10/1989 | US4873574 Noise measurement for video signals |
| 09/27/1989 | CN1035904A Improved video display system |
| 09/26/1989 | CA1261973A1 Digital gain adjustment |
| 09/26/1989 | CA1260604A1 Method and apparatus for measurement of component video signal characteristics |
| 09/21/1989 | WO1989008956A1 Process and system for acquiring and transmitting data to a televised program audience |
| 09/20/1989 | EP0333570A1 Apparatus for gathering and transmitting information about televised programmes audiences |
| 09/12/1989 | US4865018 Control apparatus for endoscopes |
| 09/05/1989 | US4864386 Double display mode for differential gain |
| 08/30/1989 | CN1035202A Colour display tube apparatus |
| 08/29/1989 | US4862265 CRT device light versus input signal characteristic function |
| 08/23/1989 | EP0329178A2 Method of degaussing a color cathode ray tube |
| 08/16/1989 | EP0328461A1 Method of broadcasting a high-definition television programme, and receiver with equalizer for receiving such a programme |
| 08/15/1989 | US4857999 Video monitoring system |
| 08/15/1989 | US4857998 Automatic primary color convergence alignment system for projection television |
| 08/08/1989 | US4855826 Zone plate signal generator |
| 07/25/1989 | US4852074 Method of measurement of crosstalk noise in playback information signal |
| 07/13/1989 | WO1989006417A1 An improved video display system |
| 07/13/1989 | WO1989006081A3 System and method for producing a flicker-free video image |
| 07/11/1989 | CA1257375A1 Apparatus for providing an indication of color television signal validity |
| 07/05/1989 | EP0322789A1 Picture quality indicator for satellite broadcasting receiver |
| 07/04/1989 | CA1256987A1 Service switch for video display apparatus |
| 07/04/1989 | CA1256982A1 Digital video delay by sample interpolation |
| 06/29/1989 | WO1989006081A2 System and method for producing a flicker-free video image |
| 06/29/1989 | DE3742447A1 Method for error detection in video signals |
| 06/27/1989 | US4843562 Broadcast information classification system and method |
| 06/20/1989 | CA1256196A2 Measurement of subcarrier to horizontal sync phase using a polar display |
| 06/14/1989 | EP0319567A1 Broadcast information classification system and method. |
| 06/13/1989 | CA1255745A1 Method and device for adjusting the deflection unit of an in-line gun television tube |
| 05/24/1989 | EP0316758A2 Method for the automatic optimization of the recording current for the recording of a video signal, and device for carrying out the method |
| 05/23/1989 | CA1254683A1 On-line verification of video display generator |
| 05/17/1989 | EP0316045A2 TV input source identifier |
| 05/11/1989 | DE3736741A1 System for determining timebase errors in a video signal |
| 05/09/1989 | US4829366 Method and apparatus for measuring delay and/or gain difference using two different frequency sources |
| 05/05/1989 | WO1989004102A1 Stereoscopic video image display appliance wearable on head like spectacles |
| 05/03/1989 | EP0313795A1 Video monitor color control system |
| 05/02/1989 | US4827333 Dynamic image correction method of offsets of various image pickup characteristics of a television camera system caused by variations in various image pickup conditions |
| 04/25/1989 | US4825379 Method and apparatus for processing waveform records for jitter elimination prior to averaging in determining signal to noise ratio |
| 04/12/1989 | EP0311189A1 Front projection screen |
| 04/06/1989 | DE3732014A1 Circuit arrangement for measuring disturbances in colour video pictures |
| 04/05/1989 | EP0309726A1 Method for inserting test lines |
| 04/05/1989 | EP0309639A2 A method of automatically evaluating the quality of an audio-video program recorded on a recording medium |
| 03/29/1989 | EP0309326A1 System for measuring the audience rating of a broadcasting station |
| 03/28/1989 | US4816908 Color video projector with a convergence adjustment device which imposes an automatic sequence of multi-zone convergence adjustment steps |
| 03/28/1989 | US4816897 Chrominance to luminance delay and gain measurement display |
| 03/28/1989 | CA1251876A1 Method and apparatus for providing a visual indication of a relationship between two signals |
| 03/28/1989 | CA1251602A1 Soil release agent for textiles |
| 03/21/1989 | US4814872 Digital video probe system |
| 03/21/1989 | US4814858 Method of measuring color purity of color display and apparatus therefor |
| 03/21/1989 | US4814669 Method of determining the position of an electron beam in a shadow mask display tube |
| 03/15/1989 | EP0307181A2 Data processing apparatus |
| 03/14/1989 | US4812713 Automatic closed loop scaling and drift correcting system and method |
| 03/07/1989 | US4811395 Two-tone test signal method for BTSC calibration |
| 03/07/1989 | US4811098 Picture introducing apparatus |
| 03/07/1989 | US4811095 Arrangement for displaying multiplexed analog components on a conventional TV monitor |
| 03/07/1989 | US4811083 Apparatus for displaying the phase and amplitude of a chrominance signal |
| 03/07/1989 | US4810958 Arrangements and methods for testing various electronic equipments |
| 02/21/1989 | US4807035 Signal measurement |
| 02/14/1989 | CA1250043A1 Measurement of subcarrier to horizontal sync phase using a vectorscope |
| 02/09/1989 | WO1989001271A1 Projection tv system with concave phosphor surfaces |
| 02/08/1989 | CN1030989A Method and a device for determining the number of people present in a determined space |
| 01/24/1989 | US4800571 Timing jitter measurement display |
| 01/19/1989 | DE3722460A1 Monitoring device for synchronised video signals |
| 01/11/1989 | EP0298625A2 Method of and apparatus for establishing a servicing mode of an electronic apparatus |
| 01/10/1989 | US4797735 Distortion surveillance apparatus for television signal transmission system |
| 01/03/1989 | US4795949 Of a video display apparatus |
| 01/03/1989 | US4795948 Video display apparatus |
| 12/29/1988 | WO1988010540A1 Broadcast information classification system and method |
| 12/21/1988 | EP0296011A1 Method and device for determining the number of persons present in a determined room |
| 12/20/1988 | US4792864 Apparatus for detecting recorded data in a video tape recorder for audience rating purposes |
| 12/20/1988 | US4792845 Color video signal phase detector |
| 12/15/1988 | WO1988009978A1 Process and device for determining the number of persons present in a given space |
| 12/13/1988 | US4791475 Digital analyzer system of the synchronizing parameters of a color video signal |
| 12/07/1988 | EP0294162A2 Digital video probe |
| 12/06/1988 | CA1246209A1 Signal matching signal substitution |
| 11/30/1988 | EP0292694A1 Video recorder tuning device |
| 11/29/1988 | US4788585 Apparatus for measuring SC/H phase of composite video signal |
| 11/15/1988 | US4785350 TV input source identifier |
| 11/15/1988 | CA1244962A1 Autoconvergence of a cathode ray tube using a semiconductor detector |
| 10/26/1988 | EP0287654A1 Video display simulator and analyzer |
| 10/25/1988 | US4780755 Frame buffer self-test |
| 10/18/1988 | US4779136 Camera alignment device |
| 10/18/1988 | CA1243397A1 Recombination of low- and high-resolution segments of an extended aspect ratio picture |
| 10/11/1988 | US4777528 Error free graticule mount |
| 10/11/1988 | US4777366 Function testing device for thermographic apparatus |
| 09/28/1988 | EP0284078A1 Locking scales for waveform displays |
| 09/28/1988 | EP0283999A2 Color bar autofind |
| 09/28/1988 | EP0283997A2 Correlation of video data between two display formats |
| 09/28/1988 | CN87212351U Short circuit arbiter for line transformer of television |
| 09/20/1988 | US4772948 Method of low cost self-test in a video display system system |
| 09/14/1988 | EP0282369A1 Process for the automatic measuring of the convergence and for the determination of the necessary corrections of the deviators of a three-colour CRT, and apparatus for carrying it out |
| 09/13/1988 | US4771334 Digital video delay by sample interpolation |
| 09/07/1988 | EP0281195A1 A method of determining the position of an electron beam in a shadow mask display tube |
| 09/06/1988 | US4769703 Apparatus for aligning an image display device in a video signal processing and display system |
| 09/06/1988 | CA1241692A1 Method for measurement of convergence of a three-gun shadow-mask cathode-ray tube and a device for the application of said method |
| 08/31/1988 | EP0280302A1 Automatic convergence alignment system for color television display apparatus |
| 08/30/1988 | US4768091 Testing apparatus for displaying scanning beam spot size and line focus on a CRT video screen |