| Patent # | Description |
|---|---|
| US-5,574,500 |
Video quality evaluating equipment for reproduced image of video signal
subject to digital compression A sync controller 14 controls an amount of delay of a delay part 15 so that original video data entered from a video source 1 is synchronized with reproduced... |
| US-5,574,499 |
Integrated circuit for testing a plurality of 1H memories An IC for processing video signals includes a test signal generator for producing a test signal PT synchronized with a horizontal synchronizing signal HS, a... |
| US-5,574,498 |
Target tracking system In a target tracking system being capable of tracking a target object certainly, color change by illumination is absorbed through color judgment from R-Y and B-Y... |
| US-5,574,497 |
Multi-camera closed circuit television system for aircraft The invention is a compact multi-camera closed circuit video television system for use in commercial aircraft. The arrangement of the cameras and the... |
| US-5,574,496 |
Techniques for minimizing co-channel interference in a received ATV
signal A technique for enhancing the robustness of an ATV transmission system in the presence of NTSC or ATV co-channel interference comprises positioning the ATV... |
| US-5,574,495 |
Cable television data path error analyzer located at the set-top terminal A system for determining the quality of data received by settop terminals including at least one settop terminal which analyses each data packet received by the... |
| US-5,574,494 |
Method for automatically navigating a complex struture at an interactive
user station A user station for navigating a visual menu structure includes a processor in electrical communication with a memory and a presentation device. In operation, the... |
| US-5,574,493 |
Vacuum collection system for dye-ablation printing process An ablated materials collection apparatus for a laser dye ablation printing process includes a set of walls to define a vacuum chamber open towards the platen... |
| US-5,574,492 |
Imaging method and semiconductor device manufacturing method using the
same A method of imaging a fine pattern having a group of lines extending along orthogonal first and second directions and a group of lines extending along a third... |
| US-5,574,491 |
Apparatus spot position control in an output device employing a linear
array of light sources In a method and apparatus for raster scanning optical output device, such as a laser printer or the like, an array of independently addressable light emitting... |
| US-5,574,490 |
Ink jet hard copy apparatus ink cartridge A collapsible ink reservoir structure to facilitate assembly of a replaceable or refillable printer ink cartridge is comprised of a relatively rigid inner frame... |
| US-5,574,489 |
Ink cartridge system for ink-jet printer The present invention is directed to a system that provides a replaceable cartridge for storing ink, in conjunction with a printer station for rapid and... |
| US-5,574,488 |
Liquid jet head, liquid jet head cartridge, and liquid jet apparatus A liquid jet head for recording by discharging a liquid from discharge ports comprises an elemental base board having on it elements for generating discharge... |
| US-5,574,487 |
Substrate with an etched silicon compound film and an ink jet head
utilizing the substrate A substrate comprising a supporting member and a treated article provided on the supporting member comprising: 1) a patterned resistor layer; 2) a patterned... |
| US-5,574,486 |
Ink jet print heads and methos for preparing them The present invention provides an ink jet print head capable of fast, efficient and consistent printing. Such ink jet print heads include an ink ejecting... |
| US-5,574,485 |
Ultrasonic liquid wiper for ink jet printhead maintenance An ultrasonic liquid wiper for an ink jet printer maintenance station has a cleaning nozzle confrontingly aligned but spaced from printhead nozzles suspected of... |
| US-5,574,484 |
Level detection for ink cartridges of ink-jet printers The level of ink present in an ink-supply cartridge of an ink-jet type printer is detected by a sensor that moves with the reciprocating pen carriage of the... |
| US-5,574,483 |
Display control unit and display control method thereof A display control unit has a display data memory such as a video RAM for storing display data displayed in pixels of a display unit and has a control section for... |
| US-5,574,482 |
Method for data input on a touch-sensitive screen A method of input programmed to operate on a representation of a keyboard appearing on a touch-sensitive screen in which letters are made temporarily available... |
| US-5,574,481 |
Detachable folding keyboard device A detachable folding keyboard device includes a base frame unit consisted of a left base frame and a right base frame, a keyboard unit consisted of a left... |
| US-5,574,480 |
Computer pointing device The present invention provides an improved computer pointing device such as a trackball or mouse, for example. The improved computer pointing device allows a... |
| US-5,574,479 |
Optical system for determining the roll orientation of a remote unit
relative to a base unit A system for determining the pointing orientation of a remote unit relative to a base unit. The fixed base unit comprises at least one light source for emitting... |
| US-5,574,478 |
VGA color system for personal computers Modifications to a prior art system known as video graphics adapter (VGA) for displaying color images on a monitor attached to a personal computer. The... |
| US-5,574,477 |
Direct-vision/projection type liquid-crystal display A single liquid-crystal display can be used to be either of direct-vision or projection type, if required. Separate display devices for monitor and OHP are not... |
| US-5,574,476 |
Data processing system and apparatus with graphic event priority levels
for storage and retrieval of different... A data processing apparatus with a receiver for receiving image data having a plurality of graphic events. A controller for controlling an image data storage... |
| US-5,574,475 |
Signal driver circuit for liquid crystal displays The present invention relates to a signal driver circuit for driving a liquid crystal display panel. The signal driver circuit provides level shifting within the... |
| US-5,574,474 |
Liquid crystal driving circuit In a liquid crystal driving circuit according to the present invention, a variable resistor is provided between each of power lines and an output terminal to... |
| US-5,574,473 |
Image display apparatus An image display apparatus comprises an image display unit capable of generating and displaying a plurality of coherent point light source pairs, a light... |
| US-5,574,472 |
Simplified spacecraft antenna reflector for stowage in confined envelopes A method for stowing a unitary flexible antenna reflector 10 in a confining envelope and deploying the reflector from the envelope. In a most general sense, the... |
| US-5,574,471 |
Electromagnetic energy shield A structure for selectively transmitting electromagnetic energy over a selected frequency range during a first operating mode and for substantially preventing... |
| US-5,574,470 |
Radio frequency identification transponder apparatus and method A transponder is formed of a very thin flexible substrate (10) on opposite sides of which are formed first (26) and second (31) series connected halves of a... |
| US-5,574,469 |
Locomotive collision avoidance method and system A method and system are disclosed for improved collision avoidance of two locomotives by periodically receiving on each locomotive digitally encoded data to... |
| US-5,574,468 |
Phase-equivalent interferometer arrays A method is described modifying initially linear or planar interferometer arrays such that the arrays can be placed in conformal installations. The method... |
| US-5,574,467 |
Doppler positioning using non-planar movement of transmitting source and
receiving source Methods and systems for determining a position and an orientation utilize a radio frequency signal transmitted from an effective source location which moves... |
| US-5,574,466 |
Method for wireless communication system planning A method for wireless communication system planning includes, in a first embodiment, determining an image tree (500), based on a transmitter location (401) and... |
| US-5,574,465 |
Portable Astronomic/meteoric observation system A natural environment observation system has a GPS for detecting the present location (address), a calendar for providing the present date and time, a memory for... |
| US-5,574,464 |
High-speed switching device for monostatic impulse radar A switching device is provided which uses an array of high-speed photoconductive semiconductor switches laid out in a stripline configuration to achieve a... |
| US-5,574,463 |
Obstacle recognition system for a vehicle A radar device emits a wave beam into a given angular range outside a vehicle, and scans the given angular range by the wave beam. The radar device detects a... |
| US-5,574,462 |
Proximity detonator A proximity detonator which derives its firing criterion from reflected beam measurements and thus obtains information about the radial relative velocity of the... |
| US-5,574,461 |
Radar apparatus for connecting to a gun A radar apparatus provided with a Cassegrain antenna to be mounted on the barrel of a gun. The Cassegrain antenna is of the polarization twist type with a flat... |
| US-5,574,460 |
Manual probe acquisition system A probe acquisition and display system is disclosed featuring one simple trol for acquiring, tracking, and instantaneously locking for a missile control radar.... |
| US-5,574,459 |
Device for the detection and characterizing of radar pulses The device comprises an analog-digital converter coupled between a pulse receiver and a device to extract the continuous level of the signal given by the... |
| US-5,574,458 |
Automatic RF countermeasures dispensing module controller Automatic countermeasures dispensing module controller for radio frequency countermeasures processes information generated by a missile approach detector and... |
| US-5,574,457 |
Switched capacitor gain stage A switched capacitor gain stage (21) that samples an input voltage every clock cycle phase for effectively doubling the frequency of operation. The switched... |
| US-5,574,456 |
Signal processing method and apparatus therefor A signal processing method includes steps for converting an input analog signal into a pulse width modulated signal, for converting the pulse width modulated... |
| US-5,574,455 |
Digital to analog converter and frequency synthesizer using the converter A digital to analog converter which includes a delta-sigma modulator for transforming the lower n bits of an input digital signal of N bits by delta-sigma... |
| US-5,574,454 |
Digital phase-locked loop utilizing a high order sigma-delta modulator A method and apparatus for phase locking to an input signal and outputting a sigma-delta modulated control signal. The method and apparatus of the present... |
| US-5,574,453 |
Digital audio recording apparatus An audio signal recording device has an input terminal, a modulator for modulating an input signal, a detecting circuit for detecting whether an input signal... |
| US-5,574,452 |
Single bit bandpass analog-to-digital converter A single bit bandpass analog-to-digital converter has an analog summer, an analog bandpass filter, a single bit quantizer, and a single bit digital-to-analog... |
| US-5,574,451 |
Digital circuit for the introduction of dither into an analog signal An electronics circuit for digitizing an analog audio data signal into a ital equivalent signal and then introducing digitized nyquist dither data into the... |