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7248233 |
Control circuit and process for a cathode ray tube display control apparatus
A control circuit of a power supply delivering a supply current to an inductor connected in series with the horizontal deflection yoke of a cathode ray tube display, the inductor being the primary...
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7236145 |
CRT display device and method
A CRT (Cathode Ray Tube) display device, and method, having a FBT (Fly Back Transformer) with a conductive coil, and a step-up circuit supplying a predetermined power to the FBT The CRT includes a...
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7165865 |
Folding mobile phone and double-sided liquid crystal display panel
A folding mobile phone comprising a main body, a display sheathing and a pivot is provided. The main body comprises a button panel, and the display sheathing pivots on the main body. The display...
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6970146 |
Flat panel display and digital data processing device used therein
A flat panel display for receiving digital display information including video data and synchronizing data from a host includes: a receiver for reconstructing the display information, a...
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6850211 |
Method for aligning a lens train assembly within a head-up display unit
A method of compensating for distortion errors within a head-up display by mapping default pixel locations within a control environment, storing the default pixel locations to a storing means,...
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6795043 |
Clock generation circuit having PLL circuit
A first PLL circuit ( 100 ) receives a flyback pulse (VFB) as a reference signal and outputs a clock signal (CLK 1 ), and a delay circuit ( 200 ) outputs a flyback delay signal (VFBD) having a...
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RE38537 |
Self-diagnosis arrangement for a video display and method of implementing the same
A self-diagnostic arrangement for a video display apparatus and method effectuating the same is disclosed. The apparatus according to the present invention includes a cable connector, amplifiers...
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6683586 |
Apparatus and method of adjusting horizontal position for a video display appliance
An apparatus for adjusting a horizontal position of a video display appliance in which a display image is put in the center of a monitor screen. The apparatus includes a comparative circuit, a...
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6577285 |
Gamma corrector and image display device using the same
A gamma corrector inputs a primary color signal as an image signal to each of the differential amplifiers which are connected in parallel to each other and mixes a plurality of output signals which...
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6567058 |
Digital convergence correction device and display device
A problem to be solved by the invention is to prevent a digital convergence correction device from lowering in precision of correction performed when a relation between screen raster and effective...
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6559609 |
Raster center control circuit for CRT-type display device
A raster center control circuit for a CRT-type display device that automatically determines a correct horizontal center position of a raster, regardless of a horizontal sync frequency input from a...
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6529176 |
Image display and horizontal speed modulator
A video signal processing circuit synthesizes a video signal and a graphic signal on the basis of a display switching control signal, inverts a synthesized signal on the time axis for each of a...
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6507949 |
Information system
The invention relates to a method and an arrangement of assigning an information-category and a priority of exposure for spots or blocks of information in a digital information system comprising...
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6486857 |
Deflection correction circuit for narrowing a pull-in range of a VCO to reduce frequency variations in a horizontal synchronizing signal
There is disclosed a phase-locked loop (PLL) circuit for use in an improved deflection correction circuit for a larger and flat display device. The PLL circuit has a phase comparator circuit, a...
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6448945 |
Vertical pin distortion correction apparatus and method for a multi-scan display
An apparatus and method for providing image correction for a multifrequency display system. The apparatus comprises a circuit that generates a first signal based on a correction signal, a...
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6392612 |
Opto sensor signal current detector
A projection display apparatus comprises a display device forming an image for projection to illuminate a display screen. A current source generates a current. A current sink is adjacent to the...
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6377231 |
Image-casting control method for image display device and image display device
An image display device incorporating a quick-action electron source is disclosed. After the power source of the device is turned on, drive signals are outputted from an RGB output circuit to each...
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6369780 |
Auxiliary deflection winding driver disabling arrangement
In a video display, correction data for a digital convergence arrangement are stored in a first non-volatile memory. During power turn on procedure, the correction data are read out of and stored...
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6366263 |
Image-size varying apparatus, image-size varying method, and monitor apparatus
The size of an image displayed on a tube surface is varied while maintaining the aspect ratio thereof at a constant. First, if there is information of an arbitrary horizontal-size variable...
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6313831 |
Device for synchronizing a power drive signal of a monitor and a method therefor
A device for synchronizing a power drive signal of a monitor, and a method therefor. The device comprises a central processing unit to receive a horizontal synchronization signal outputted from a...
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6163739 |
Tactile feedback apparatus using electromagnetic attraction for remote control robot
A tactile feedback apparatus using an electromagnetic attraction for a remote control robot employs tactile data obtained during operation between a gripper attached to a robot arm of an externally...
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6115009 |
Video signal counter system for automatic positioning and centering circuit
A display device using a video signal counter system in its automatic positioning and centering circuit. The display device receives a video signal (e.g., from a host computer) including red,...
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6097355 |
Purity/beam landing error measurement method for electronic display devices
A method of calculating beam landing errors in an electronic display device having color phosphor elements and electron guns to generate electron beams to impinge on corresponding phosphor elements...
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6061038 |
Multi-deflection CRT display
A display has a cathode ray tube (CRT) provided with a multiplicity of electron beams or beam sets. Each of the beams has its own auxiliary beam control assembly including deflection means. Each...
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6046721 |
Multi-functional monitor
A multi-functional monitor includes a plurality of availability of mature circuits, including a TV signal processing circuit, a signal amplifying circuit, a H/V deflection circuit, a CRT display...
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6046713 |
Color display device including electron beam deflection arrangement for landing-correction
A color display device including a shadow mask and a correction deflection system for correcting landing-errors. The correction deflection system comprises first and second correction deflection...
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6040808 |
Method of addressing a magnetic matrix electron source flat panel display
An electron source having a cathode and a permanent magnet having perforated channels extending between opposite poles of the magnet. Each channel forms electrons received from the cathode into an...
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6011527 |
Correction of linearity errors
In order to compensate for currents which are induced in a convergence yoke (16) by a deflection yoke (14), a pulse of current is injected into an amplifier (26) which receives the convergence...
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6002380 |
Circuit for compensating for vertical distortion of image by modes in display
A circuit for compensating for a vertical distortion of images by modes includes: a compensation position regulator for regulating a pulse width of a horizontal output signal by varying an...
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5995089 |
Device for protecting a vertical deflection integrated circuit for a monitor
A vertical deflection IC protection device for a monitor employing a dedicated display data channel (DDC) chip which can prevent the vertical deflection IC from being damaged by intercepting an...
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5986623 |
System and method for interlaced display device data transmission
A system and method for optically, serially transmitting data to a remote device using an interlaced display device. The data bits to be transmitted are ordered so that the bits are received in...
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5963266 |
Video display apparatus having an on-screen display and method for controlling position thereof
A display apparatus for displaying a representation of adjustment data for a video display in a multi-frequency video display apparatus includes circuitry for processing video signals having...
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5943028 |
Self-raster circuit of a monitor
A self-raster circuit of a monitor capable of providing color rasters to a cathode ray tube of the monitor if no video signal is inputted to the monitor from a computer. The self-raster circuit...
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5933126 |
Electronic apparatus with circuitry for adjusting relational expressions representing relation of display adjustment data to other closely related display adjustment data
An image signal display device includes a program data readout circuit by which at least one second adjustment data, not to be adjusted, takes a proper value relative to a first adjustment data, to...
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5903264 |
Video delivery system and method for displaying an indexing slider bar
A system and method which displays a graphical icon, such as a slider bar, on a subscriber's television or display unit for indexing to different positions in a video stream in an interactive video...
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5886677 |
Frame size regulating circuit
A frame size regulating circuit capable of simultaneously controlling horizontal and vertical sizes to simply vary a frame size includes a key matrix formed by plural keys for simultaneously...
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5771029 |
Side pincushion control apparatus
A side pincushion control apparatus for compensating for a horizontal picture size control voltage and a side pincushion in a monitor. The apparatus compensates for the horizontal picture size...
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5757366 |
State indication circuit for a display system
A horizontal synchronizing signal Hs and a vertical synchronizing signal Vs are converted to digital data, respectively, by corresponding frequency-to-voltage conversion circuits 10 and 20 and AD...
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5684498 |
Field sequential color head mounted display with suppressed color break-up
For displaying moving images on a field sequential color display device from a simultaneous color image source, without color break-up appearing in the observed image, an image shift device is...
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5617332 |
Method and system for producing stereographic images of celestial objects
A method and system of producing stereographic images of celestial objects uses distance information to offset one of two images produced on a display device. A digital computer under program...
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5610622 |
Display control device
A CRT (cathode ray tube) controller for controlling one CRT device in an interlace mode has a synchronizing circuit of bi-directional construction, in order to make possible synchronous operation...
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5565897 |
Interactive system for calibration of display monitors
A system for adjusting signals to a CRT in a video monitor utilizes an interactive display having shapes that appear rectangular on a properly adjusted monitor and dragging handles associated with...
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5537251 |
Rotating screen picture display apparatus
A picture display apparatus includes a picture generating device for generating a rotating picture and a screen rotating on a rotary axis. A first mirror turns on the rotary axis and reflecting a...
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5436670 |
Image display apparatus wherein the number of characters displayed is the same regardless of the frequency of the input signal
An image display apparatus for displaying an image and characters superposed on the image comprising a synchronizing signal dividing unit for dividing the frequency of an input synchronizing signal...
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5317331 |
Symbology display method
In a digital display system including a stroke scanning mechanism, a method which comprises the steps of displaying symbology and increasing or decreasing the number of symbols stroke scanned,...
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5315310 |
Cathode ray tube display apparatus
Cathode ray tube display apparatus comprises a cathode ray tube display screen for displaying successive frames of a non-interlaced video image in response to excitation by at least one...
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5266938 |
Method for calibrating a display and apparatus for implementing the same method
A method and apparatus for calibrating the scale of an X-Y display device is provided wherein at least two intersecting linear loci are formed and displayed on the screen of the device to show the...
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5257017 |
Electronic billboard
An electronic billboard sign is provided in which electro-micro circuitry programming is utilized to display advertising information onto a large front billboard screen by a large moveable lens.
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5245323 |
Display device
A graphic image is displayed on a CRT screen according to the coordinate data which is sequentially read out of a memory. The memory comprises a first storage area which stores character image...
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5068647 |
Digital blanker for scanned displays
A digital blanker for scanned displays is provided which turns off the electron beam on a Cathode Ray Tube whenever the beam is in a pre-defined area on the screen. A high speed analog to digital...
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