| Patent Number |
Title Of Patent |
Date Issued |
| RE33180 |
Light weight chassis and cabinet assembly for magnetic tape recorder |
March 13, 1990 |
| To minimize the weight of a magnetic tape recorder chassis and cabinet assembly, a wire frame chassis (18) carrying printed circuit board guides (20) and connectors (22) is mounted to one side of a sand cast bezel (24), and polyurethane wall panels (16) are secured to the wire frame. A c |
| 5333076 |
Stabilized imaging system |
July 26, 1994 |
| A stabilized imaging system in which the lens assembly is fixed, and an electro-optic imager element is moveable to compensate for three-dimensional movements of the surrounding structure. Preferably the optical train also includes a movable prism, which can rotate the field of view |
| 5161117 |
Floating point conversion device and method |
November 3, 1992 |
| A high-speed floating point conversion apparatus and method are disclosed, with special reference to selectable conversion of "source" IEEE format numbers to any of the "destination" IBM, DEC, or SEL formats. In the preferred embodiment, the exponent is input to a shift control block. Th |
| 4908705 |
Steerable wide-angle imaging system |
March 13, 1990 |
| An electro-optic system which is advantageous for low altitude, high speed aerial reconnaissance. A linear imager is movably positioned in the focal plane of a fixedly mounted wide-angle lens system. The fore-aft motion capability of the imager can be used to select an optimal viewing an |
| 4839726 |
Video enhancement method and system |
June 13, 1989 |
| On-the-fly video processing to implement two-dimensional algorithms is performed without a frame buffer or random-access memory, by using CCD delay elements whose clock rate is controlled by a phase synchronizing loop, to achieve precise vertical alignment of pixels where the chosen |
| 4829540 |
Secure communication system for multiple remote units |
May 9, 1989 |
| A frequency-hopping datalink and providing communication between a base station, relay unit and multiple remote units utilizes time-division multiplexing and transmits information signals containing information relevant to the next frequencies of transmission. Signals from the base s |
| 4788867 |
Differential pressure detector |
December 6, 1988 |
| A liquid filled differential pressure detector comprises two pressure sensors. Each sensor is constructed of one or more capsules, which are pairs of diaphragms sealed at their peripheries. The innermost diaphragms are interconnected by a tube which contains a rod assembly. The interior |
| 4752829 |
Multipacket charge transfer image sensor and method |
June 21, 1988 |
| An image sensor is disclosed which is capable of handling large amounts of signal charge with small shift registers. The image sensor includes photoelements 10 in which charge is accumulated in response to sensed conditions; electrically-controllable transfer gates 20 adjacent the ph |
| 4689720 |
Thermal link |
August 25, 1987 |
| A thermal link provides a thermal path between a heat source and a heat sink which compensates for irregularities on the surface of the heat source and/or heat sink and/or nonuniformity in the spacing therebetween. One embodiment utilizes a spring metal device having a free arm which |
| 4654754 |
Thermal link |
March 31, 1987 |
| A thermal link provides a thermal path between a heat source and a heat sink which compensates for irregularities on the surface of the heat source and/or heat sink and/or nonuniformity in the spacing therebetween. One embodiment utilizes a spring metal device having a free arm which |
| 4620261 |
Apparatus and method for controlling electromagnetic clutches and the like |
October 28, 1986 |
| To energize an electromagnetic clutch or other electromagnetic device having a movable armature, a voltage is applied across the coil of the device to cause an initial current to flow therethrough. A current dip upon initial movement of the armature is detected, and in response, a su |
| 4620160 |
Digital demodulator for continuously phase or frequency modulated signals |
October 28, 1986 |
| A frequency and phase demodulating circuit provides direct frequency demodulation utilizing only addition, subtraction and multiplication steps. Division of signals is avoided, as is the need for a look-up table of trigonometric values corresponding to the results of such division. By |
| 4542864 |
Brake device for coaxial reel tape recorders |
September 24, 1985 |
| A brake apparatus is provided for tape recorders, particularly of the coaxial reel type, in which a single brake pad, mounted on a brake arm, engages a pair of adjacent coaxially disposed drive wheels for coaxial tape reels. The brake arm is biased by a spring into braking engagement |
| 4489358 |
Light weight chassis and cabinet assembly for magnetic tape recorder |
December 18, 1984 |
| To mimimize the weight of a magnetic tape recorder chassis and cabinet assembly, a wire frame chassis (18) carrying printed circuit board guides (20) and connectors (22) is mounted to one side of a sand cast bezel (24), and polyurethane wall panels (16) are secured to the wire frame. A c |
| 4489236 |
Method for calibrating scintillation crystal |
December 18, 1984 |
| An X-ray or gamma-ray scintillation crystal used in a radiation-type thickness gauge is calibrated by irradiating the scintillation crystal at a high intensity and then abruptly lowering the intensity to a low level (e.g. 1/100 the high intensity level). The nonlinear response of the |
| 4399462 |
Video split screen technique |
August 16, 1983 |
| A technique is provided for simultaneously displaying on a television screen juxtaposed pictures from two independent image sources. The required picture compression is achieved by storing analog samples of the video signals in an analog memory at one frequency and retrieving the sam |
