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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7372481 | Vector waveform correction device A vector waveform correction device corrects a vector waveform displayed on a vector scope. A first color difference signal and a second color difference signal demodulated from a chrominance signal of a composite video signal are input as x and y, and a vector (x, ... | 05/13/2008 |
| 7283177 | Method and apparatus for controlling the functions of an image capturing apparatus A control apparatus for remotely controlling one of adjusting functions of an image capturing apparatus, including contrast, gamma, sharpness, and aperture. The control apparatus transmits to the image capture apparatus a first command requesting a current value of ... | 10/16/2007 |
| 7233324 | Display device, drive circuit, testing device, and recording medium A display device is provided with a display panel, and a source driver and a gate driver both for driving the display panel and includes a nonvolatile memory for storing a test sequence representing the procedures for a display test and testing patterns to be displa... | 06/19/2007 |
| 7180436 | Apparatus and method for auto calibration of display device An apparatus for auto calibration of a display device, the apparatus including a signal generating unit for generating predetermined digital patterns, converting the digital patterns into R, G, B and Y, U, V color signals, converting the color signals into analog pa... | 02/20/2007 |
| 7133148 | Digital camera for image device calibration The invention is directed to an apparatus for calibrating an output of an image output device, comprising an image input device configured to image an output of the image output device; and a test pattern generator having an output of a dynamic test patch area and a... | 11/07/2006 |
| 7079157 | Matching the edges of multiple overlapping screen images A graphics system comprises pixel calculation units and a sample buffer which stores a two-dimensional field of samples. Each pixel calculation unit selects positions in the two-dimensional field at which pixel values (e.g. red, green, blue) are computed. The pixel ... | 07/18/2006 |
| 7038727 | Method to smooth photometric variations across multi-projector displays A method is provided to smooth photometric variations across multi-projector displays. Photometric calibration is performed to generate a luminance attenuation map (LAM) for each projector. An image for each projector is modified using the luminance attenuation map ... | 05/02/2006 |
| 6943919 | Method and apparatus for correcting defects in a spatial light modulator based printing system A method for correcting defects (300) in an imaging system (10) that comprises several steps. Transmitting a digital image (370) to at least one spatial light modulator and capturing the resulting image. Comparing variation in intensity between ... | 09/13/2005 |
| 6940529 | Graphics system configured to perform distortion correction A graphics system comprises pixel calculation units and a sample buffer which stores a two-dimensional field of samples. Each pixel calculation unit selects positions in the two-dimensional field at which pixel values (e.g. red, green, blue) are computed. The pixel ... | 09/06/2005 |
| 6404456 | Calibrating projection displays In a projection display system, a sample of the light output may be extracted and used to calibrate the display. A sample may also be used in multi-display systems (e.g., light walls), wherein the information from one display in the form of a light sample... | 06/11/2002 |
| 6348944 | Selective aging for monitor production The present invention relates a method and system for providing aging of a cathode ray tube. The system comprises a video processing circuit that is configured to generate a first luminance signal and a second luminance signal. The system also comprises a... | 02/19/2002 |
| 6292216 | Control signal generating circuit A display apparatus in which a marker signal created by combining primary color signals of predetermined levels in an arbitrary pattern and designating a specified area of a screen is detected, the screen is divided into a plurality of areas and a display... | 09/18/2001 |
| 6084564 | Apparatus for determining a black point on a display unit and method of performing the same To facilitate determination of a black point on a display unit, a reference brightness region and a comparison brightness region are displayed on the display unit. The former emits at a reference brightness that is used as a reference for determining the ... | 07/04/2000 |
| 6072546 | Apparatus for and method of measuring focus A correct estimation of a focussed condition of the cathode ray tube can be performed. A predetermined image (14) is displayed at a predetermined position on a screen of a cathode ray tube. A focussing voltage of the cathode ray tube is varied in a condit... | 06/06/2000 |
| 5995162 | Video display apparatus and method for adjusting parameters on an on-screen display A display apparatus for displaying adjustment data for a video display on an on-screen display includes video signal processing circuitry, input circuitry for entering user adjustment data, a microcomputer for receiving the user adjustment data and for co... | 11/30/1999 |
| 5963249 | Self-diagnostic circuit for a video display and method of implementing the same A self-diagnostic circuit and method for implementing the same for use with a video display device to conduct a self-diagnostic test of respective hardware components such as a ROM, RAM and EEPROM within the video display device using a built-in microproc... | 10/05/1999 |
| 5896168 | Apparatus and method for adjusting video characteristics of a CRT screen An apparatus and method for adjusting video characteristics of a CRT screen having a plurality of adjustment mechanisms for adjusting visual characteristics of the CRT screen. Further included is a video playback mechanism adapted to display a screen form... | 04/20/1999 |
| 5631698 | Method for self-diagnosing a television receiver A method for self-diagnosing a television(TV) receiver, wherein the TV receiver has a controller, which includes a central processing unit, a read only memory, a random access memory(RAM) and an erasable-programmable read-only memory (EPROM), for controll... | 05/20/1997 |
| 5359543 | Apparatus and method for generating test pattern of frequency converter A test pattern generating apparatus and method of a frequency converter in a VCR, in which an on-screen display (OSD) circuit is used to output a test pattern instead of using an internal test pattern generator. The apparatus includes a microprocessor for... | 10/25/1994 |
| 5081523 | Display image correction system and method A display image correction system (20) corrects display image errors by detecting deviations in the display image from the input image on a pixel-by-pixel basis. The image correction system detects pixel output, and then provides correction signals to the... | 01/14/1992 |
| 4731564 | Service switch for video display apparatus A vertical deflection circuit for a video display apparatus includes a service switch that collapses vertical or field rate scan in order to facilitate adjustment of cathodes ray tube electron beam drive levels. The service switch operates by referencing ... | 03/15/1988 |
| 4706108 | Automatic setup system for controlling color gain, hue and white balance of TV monitor A television monitor control apparatus has a signal processor supplied with a standard television signal, a color cathode ray tube supplied with a processed color signal obtained from the signal processor, a reference signal memory for storing at least a ... | 11/10/1987 |
| 4694226 | Vertical deflection circuit with service mode operation In a video display apparatus having a service mode of operation, a vertical deflection circuit includes a vertical deflection winding coupled to a DC blocking capacitor. An output stage includes first and second output amplifiers coupled to the vertical d... | 09/15/1987 |
| 4611241 | Projection television set up method and apparatus A three tube projection color television system for use with a remote viewing surface is set up by applying a distinct white vertical bar pattern video signal comprising a delayed horizontal pulse to the CRT video drive circuits and changing the relative ... | 09/09/1986 |
| 4584596 | Television receiver alignment system In a television receiver, the bias of the G2 screen grid of an image displaying kinescope is adjusted to produce a black level condition for the kinescope. Prior to adjusting the screen grid bias, the normal bias voltage of both the cathode and G1 grid el... | 04/22/1986 |
| 4347528 | G2 Set-up circuit for a television receiver A circuit is disclosed for establishing proper video output voltages in a color television receiver prior to setting the receiver's G2 voltage. In the preferred embodiment, the circuit includes three emitter follower stages, each coupled to the output of ... | 08/31/1982 |
| 4316212 | Method for adjusting the bias of a kinescope in a color television receiver and apparatus to facilitate same A method and associated apparatus are disclosed for facilitating the service adjustment of the blanking current levels of a kinescope in a color television receiver, when video signals are decoupled from the kinescope and kinescope vertical scanning is di... | 02/16/1982 |
| 4309718 | Service switch arrangement for low level matrixing type television receiver A service switch arrangement for a color television receiver having a low level matrixing system developing red, blue and green color signals includes a service switch having a normal position and a service position. In the normal position of the switch, ... | 01/05/1982 |
| 4272777 | Service switch apparatus In a television receiver having a vertical oscillator for providing a source of vertical deflection signals to a vertical deflection circuit, a service switch having normal and service positions is coupled to the vertical oscillator through an interferenc... | 06/09/1981 |
| 4123776 | Service switch arrangement for a color television receiver A service switch in a color television receiver for simulating quiescent signal conditions to permit set-up adjustment of a color image reproducing kinescope responsive to luminance and chrominance signals processed by luminance and chrominance channels o... | 10/31/1978 |
| 4118729 | Set-up arrangement for a color television receiver A service switch to permit set-up adjustment of a color image reproducing kinescope in a color television receiver. The receiver comprises a horizontal deflection circuit for providing a periodic horizontal deflection signal having a frequency synchronize... | 10/03/1978 |
| 3959811 | Set-up arrangement for a color television receiver A service switch is provided for a color television receiver of the type including, in the order named, a black level clamping circuit, a brightness control circuit and an amplifier for coupling luminance signals to an image reproducing kinescope. A reser... | 05/25/1976 |
