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Display Laboratories, Inc. Patents
Assignee:
Display Laboratories, Inc.
Address:
Boulder, CO
No. of patents:
14
Patents:












Patent Number Title Of Patent Date Issued
6437829 Alignment of cathode ray tube displays using a video graphics controller August 20, 2002
Dynamic adjustment techniques for aligning video images in cathode ray tube (CRT) devices are disclosed. A host computer stores correction factor data and video image data in video graphics controller RAM. The host computer processes and transmits the correction factor data, representati
6285397 Alignment of cathode ray tube video displays using a host computer processor September 4, 2001
A system for automatically aligning video images on display devices such as cathode ray tube (CRT) monitors that use the processor and memory of a host computer to implement the alignment process. The system uses a host computer processor and previously generated correction factor data,
6281950 High speed digital zone control August 28, 2001
Disclosed is a high-speed approximation device that generates zone correction values in both the horizontal and vertical directions. Group correction values are stored for specific physical locations on the screen for each correction factor parameter. Higher resolution correction signals
6130505 Automatic alignment of cathode ray tube video displays in local magnetic fields October 10, 2000
A system and method for dynamic adjustment of video images on a cathode ray tube in diverse geographic local magnetic fields. The present invention uses a CRT magnetometer that accurately senses differences in the strength and direction of a local magnetic field in three axes, i.e., the
6052146 Alignment of a video monitor using an on-screen display chip and a gain matrix table April 18, 2000
A circuit within a video monitor for making corrections during horizontal scan includes a data storage device containing information relating to a selected display parameter, an integrator receptive of the stored information and adapted to produce an integrated signal therefrom, and an
6014168 Screen mapping of a cathode ray tube January 11, 2000
A system for generating correction factor data that is representative of the distortion characteristics of a cathode ray tube. The correction factor data is stored with a cathode ray tube to allow later alignment of a video signal, or can be provided on a storage medium or on a network.
5969486 Detecting horizontal blanking time in cathode ray tube devices October 19, 1999
An apparatus and method are disclosed for generating timing pulses to control various functions in a video monitor including the switching of video amplifiers in cathode ray tube (CRT) devices, the control of the phase and frequency of phase locked loops, etc. Unlike previous methods,
5896170 Dynamic alignment of cathode ray tube rasters April 20, 1999
A system for synchronous alignment of cathode ray tube (CRT) rasters by application of time variable rotation driver signals to the CRT rotation coil during trace of the raster. The system may be implemented by either digital or analog means of measuring and storing cathode ray tube rast
5825414 Method and apparatus for making corrections in a video monitor during horizontal scan October 20, 1998
A circuit within a video monitor for making corrections during horizontal scan includes a data storage device containing information relating to a selected display parameter, an integrator receptive of the stored information and adapted to produce an integrated signal therefrom, and an
5739870 Math engine for generating font gradients April 14, 1998
A interpolation engine is disclosed that is capable of generating correction signals for segments of a monitor that form a gradient that eliminates any visual discontinuities between segments on the screen. In one embodiment, a starting count number for a distortion signal is stored
5657079 Correction for monitor refraction using empirically derived data August 12, 1997
A system for transforming coordinate systems in an automated video monitor alignment system includes a camera and computer to capture an image of the display bezel surrounding the cathode ray tube and of the image displayed on the CRT. Three dimensional models of the CRT tube and display
5510833 Method and apparatus for transforming coordinate systems in an automated video monitor alignment April 23, 1996
A system for transforming coordinate systems in an automated video monitor alignment system includes a camera and computer to capture an image of the display bezel surrounding the cathode ray tube and of the image displayed on the CRT. Three dimensional models of the CRT tube and display
5504521 Method and apparatus for making corrections in a video monitor during horizontal scan April 2, 1996
A circuit within a video monitor for making corrections during horizontal scan includes a data storage device containing information relating to a selected display parameter, an integrator receptive of the stored information and adapted to produce an integrated signal therefrom, and an
5216504 Automatic precision video monitor alignment system June 1, 1993
An automatic precision video monitor alignment and calibration system is described which functions to precisely align all of the adjustable display characteristics of a video monitor to a high degree of precision. This alignment system can function in an automated calibration mode wherei

 
 
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