| Patents for H04N 17 - Diagnosis, testing or measuring for television systems or their details (14,049) |
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| 08/07/1991 | EP0439946A2 Television signal encoder/decoder control |
| 08/06/1991 | US5038229 Method of performing a tracking adjustment of a digital video recording and reproducing equipment |
| 08/06/1991 | US5038210 Test pattern signal generator for producing zone plate and other test patterns |
| 08/01/1991 | DE4029214C1 Clock generator for video signal measuring device - has frequency divider based upon counter and EPROM that stores frequency values |
| 07/30/1991 | US5036406 Method and apparatus for obtaining identical output signal from nominally identical time base corrector unit having slightly different characteristics |
| 07/30/1991 | US5036251 Device for controlling image pattern of a computer-controlled television |
| 07/24/1991 | EP0437887A1 Video camera with manual color balance adjusting option |
| 07/24/1991 | EP0437424A1 Stereoscopic video image display appliance wearable on head like spectacles. |
| 07/23/1991 | US5034821 Optical sight for television camera with automatic geometry and convergence correction adapted for bi-format filming, and camera equipped with such a sight |
| 07/16/1991 | US5033015 Automated system for testing an imaging sensor |
| 07/16/1991 | US5032933 Magnetic tape recording and playback equipment for automatic check of recorded data |
| 07/16/1991 | US5032916 Method of detecting signal waveform disturbance in received television picture signal |
| 07/16/1991 | US5032906 Intensity calibration method for scene projector |
| 07/16/1991 | US5032769 Device for measuring a characteristic of a color cathode ray tube based on synchronized signals |
| 07/11/1991 | WO1991010318A1 Grid-correction circuit for tv sets |
| 07/10/1991 | CN1052978A Circuit for screen correction in television device |
| 07/09/1991 | US5031228 Image recognition system and method |
| 07/09/1991 | US5031226 Arrangement for determining contrasting objects in a picture |
| 07/04/1991 | DE4041446A1 Sequential self-diagnosis system for machine operating functions - has menu displays and microprocessor sub-routines activated via demonstration button |
| 07/03/1991 | CN2080277U Computerized digital field intensity measuring instrument for tv full channels |
| 07/03/1991 | CN1052763A Method for positioning light beam on picture surface |
| 07/02/1991 | US5028849 Device for measuring convergence of color cathode ray tube |
| 06/27/1991 | WO1991009491A1 Process for adjusting the position of the deflection raster in a television set |
| 06/25/1991 | US5027058 Multi-standard video option for oscilloscope |
| 06/19/1991 | EP0432665A2 Improved image registration method and apparatus |
| 06/18/1991 | US5025207 Method for the measurement of a steady level in a noise-infested signal and automatic measuring device for the application of this method |
| 06/13/1991 | WO1991007048A3 Device for automatically adjusting a deflection grid on a picture area |
| 06/13/1991 | DE3940996A1 Verfahren zur einstellung der lage des ablenkrasters in einem fernsehempfaenger A method for setting the position of the ablenkrasters in a fernsehempfaenger |
| 06/12/1991 | EP0431716A2 A multilayer liquid crystal device, which is free from parallax effect |
| 06/06/1991 | DE3939757A1 Drop out measurement and identification - using synthetic drop out signal to determine effect of noise on drop out rate |
| 06/05/1991 | EP0430531A2 Technique for determining signal dispersion characteristics in communications systems |
| 06/05/1991 | EP0430246A2 Method and apparatus for evaluating color image signals |
| 06/02/1991 | CA2030920A1 Method and apparatus for evaluating color image signals |
| 05/29/1991 | EP0428626A1 Automated system for testing an imaging sensor. |
| 05/28/1991 | US5020116 Image registration method and apparatus |
| 05/28/1991 | US5019906 Time base corrector memory arrangement and memory control |
| 05/22/1991 | CN1051653A Facility for automatic adjustment of deflection screen on picture surface |
| 05/22/1991 | CN1051649A Facility for screen correction in television device |
| 05/22/1991 | CN1051648A Facility for screen correction in television device |
| 05/16/1991 | WO1991007058A1 Grid-correction device for a tv set |
| 05/16/1991 | WO1991007057A1 Grid-correction device for a tv set |
| 05/16/1991 | WO1991007048A2 Device for automatically adjusting a deflection grid on a picture area |
| 05/08/1991 | EP0426542A1 Method of instant validation of actions in the field of television programmes and device for carrying out this method |
| 05/08/1991 | DE3936790A1 Einrichtung zum automatischen justieren eines ablenkrasters auf einer bildflaeche Means for automatically adjusting a ablenkrasters on a ImagePanel |
| 05/08/1991 | DE3936787A1 Einrichtung zur rasterkorrektur in einem fernsehgeraet Means for raster correction in a television |
| 05/02/1991 | WO1991006177A1 Process for positioning a light beam on a picture area |
| 05/02/1991 | WO1991006176A1 Device for grid correction in a television set |
| 04/30/1991 | US5012510 Dynamic callback technique |
| 04/30/1991 | US5012327 Circuit for and method of detecting a color field sequence of a color video signal |
| 04/30/1991 | US5012274 A video display system |
| 04/24/1991 | CN1050962A Facility for screen correction in television |
| 04/23/1991 | US5010403 Measurement of timebase jitter for component video |
| 04/23/1991 | US5010397 Triple tube type projection television |
| 04/18/1991 | DE3933950A1 Einrichtung zur rasterkorrektur in einem fernsehgeraet Means for raster correction in a television |
| 04/16/1991 | US5008744 Method and apparatus for picture motion measurement using picture correlation as a function of displacement |
| 04/10/1991 | EP0421750A2 Convergence measurement apparatus for colour cathode ray tubes |
| 04/09/1991 | CA1282858C Automatic setup system for controlling color gain, hue and white balance of tvmonitor |
| 04/04/1991 | WO1991004638A1 Grid-correction device for television sets |
| 03/27/1991 | CN1050299A Pulse generator for lattice design in television device |
| 03/19/1991 | US5001568 Signal evaluation by accumulation at one rate and releasing and testing at a slower rate |
| 03/19/1991 | US5001549 Television signal generator |
| 03/13/1991 | EP0416720A2 Ambient light rejecting quad photodiode sensor |
| 03/13/1991 | EP0415966A1 Automatic censorship of broadcast programmes |
| 03/08/1991 | WO1991003909A1 Multiple hdtv format digital signal converter |
| 03/08/1991 | CA2066413A1 Multiple hdtv format digital signal converter |
| 03/07/1991 | WO1991003135A1 Process and circuit for measuring the coloured noise in magnetic-tape recordings |
| 03/07/1991 | WO1991003134A1 Pulse generator for a grid pattern in a tv set |
| 03/06/1991 | EP0415268A2 Signal waveform display device |
| 02/28/1991 | DE3928286A1 Messverfahren und messschaltung zur bestimmung des farbrauschens von magnetbandaufzeichnungen Measuring methods and measuring circuitry for determining the color noise of magnetic tape recordings |
| 02/28/1991 | DE3927676A1 Impulsgenerator fuer ein gittermuster in einem fernsehgeraet Pulse generator for a grid in a television |
| 02/21/1991 | WO1991002432A1 Apparatus for assessing t.v. cameras |
| 02/13/1991 | EP0412909A2 Test apparatus for an optical recording disc |
| 02/05/1991 | US4991015 Method and circuit arrangement for identifying the presence or absence of at least one frequency of a known value in an input signal compound of a plurality of frequencies |
| 02/05/1991 | US4991007 Image evaluation of at least one characteristic of an object, and method of evaluation |
| 01/30/1991 | EP0378537A4 Projection tv system with concave phosphor surfaces |
| 01/29/1991 | US4989072 Apparatus for testing and adjusting color cathode ray tube equipment |
| 01/29/1991 | CA1279735C Simultaneous display of two unrelated signals |
| 01/23/1991 | EP0409620A2 A projection type color image display device |
| 01/17/1991 | DE4013179C1 Video signal control pulse programme generator for video analyser - has free-running type quartz oscillator as beat generator and gate unit controlled by pulses from memory |
| 01/15/1991 | US4985901 Method and device for evaluating the safety margin of a digital video signal |
| 01/15/1991 | US4985765 Method and apparatus for picture motion measurement whereby two pictures are correlated as a function of selective displacement |
| 01/10/1991 | DE3921427A1 Compensation system for CRT deflection errors - uses sensor output to adjust field strength of correction magnets within beam deflection system |
| 01/09/1991 | EP0270630A4 Signal matching signal substitution |
| 01/02/1991 | CN2068741U Small screen imaging tv field strength instrument |
| 12/27/1990 | EP0404700A1 Assistance system for cathode ray tube adjustment |
| 12/27/1990 | CA1278185C Camera alignment device |
| 12/25/1990 | US4980767 Technique for determining signal dispersion characteristics in communications systems |
| 12/20/1990 | DE4018811A1 Signal generator with display and memory card |
| 12/18/1990 | US4978656 Parasiticides |
| 12/11/1990 | CA1277724C Digital phase-locked loops |
| 11/28/1990 | EP0399602A1 Method of determining a display parameter of a raster scan picture display tube, and method of treating such a tube for improving picture display |
| 11/27/1990 | US4974084 Method and apparatus for picture motion measurement |
| 11/27/1990 | US4974080 Signal generator with display and memory card |
| 11/20/1990 | US4972451 Method of determining a modulation transfer function of a digital imaging system |
| 11/20/1990 | CA1276718C Correlation of video data between two display formats |
| 11/15/1990 | WO1990013975A1 Color corrector for tv camera |
| 11/13/1990 | US4970581 Circuit for and method of detecting color field sequence in a color video signal |
| 10/31/1990 | EP0395201A2 Component color bar alignment test signal |
| 10/31/1990 | CN2064964U Delay measurer for chrominance delay line |
| 10/24/1990 | EP0393824A2 Test signal generator position cursors |