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Attorney: Stepanishen; William, Singer; Donald J.


Number of patents: 31
Last date: October 26, 1993

NumberTitleIssue Date
5257211Adjustable bandwidth concept (ABC) signal energy detector
An adjustable bandwidth signal energy detector apparatus utilizing a detector processor to process serial frequency data to determine which of N frequency bins contain signal energy. The serial frequency data is processed through a series of low pass filt...
10/26/1993
5239301Phase/phase/frequency-scan radar apparatus
A phase/phase/frequency-scan radar apparatus having multiple-beam search and single-beam track capabilities, using a single array antenna employing a novel combination of phase/phase scan in two dimensions together with frequency-scan. Generally, the addi...
08/24/1993
5224101Micro-coded built-in self-test apparatus for a memory array
A built-in self-test apparatus for a memory cell array having a micro-code sequencer to receive and utilize micro-instruction from a read only memory. The micro-code sequencer applies test algorithms to each cell of the memory cell array and detects the r...
06/29/1993
5214562Electrostatic discharge protective circuit of shunting transistors
An electrostatic discharge protective apparatus for an integrated circuit having normally on semiconductor devices mutually connecting input/output pads and the power in bonding pad to prevent stray electrostatic discharges from damaging the integrated ci...
05/25/1993
5204616In-circuit test fixture for leaded packages
An in-circuit test probe apparatus for probing the finely and closely spaced leads of an LSI circuit package in order to monitor the signals on the pins. A magnetic holding assembly is utilized to attach the test probe apparatus to the circuit package whi...
04/20/1993
5166648Digital phase shifter apparatus
A digital phase shift apparatus having a pair of single gate FETs which are connected in a common source configuration. Transmission line segments which respectively connect the sources and drains of the FET pair, provides a phase shift to an applied RF s...
11/24/1992
5163005Method of cloning printed wiring boards
A method of cloning printed wiring boards by milling one side of the board to a minimum thickness, then X-raying the board to produce a film negative. This negative is photographed to provide a reversed negative which is converted to a diazo photograph....
11/10/1992
5144842Pressure transducer protection apparatus
A pressure transducer apparatus having a flexible shock absorber in direct contact with the sensing element of a pressure transducer to prevent the direct application of harmful external environmental elements. A metal disk is located on the top of the sh...
09/08/1992
5132612Apparatus for electrostatic discharge (ESD) stress/testing
An apparatus for applying high current fast rise time pulses simulating electrostatic discharge (ESD) to various combinations of pins of a device under test (e.g., a microcircuit). The apparatus also provides for testing of the DUT after the performance o...
07/21/1992
5125051Wavelength-coded binary fiberoptic delay line apparatus for time steering of array antennas
A wavelength-coded binary fiberoptic delay line apparatus for time steering of array antennas having a plurality of delay line units serially connected to each other to provide a plurality of delay signals. Signal detecting/converting units which are conn...
06/23/1992
5115246Radar target locating and tracking apparatus using a dual-interleaved pulse train radar waveform
A radar target locating and tracking apparatus utilizing a data processor unit to process a dual-interleaved pulse train radar waveform to provide unambiguous target location. The data processor utilizes coarse range, fine range and Doppler signals which ...
05/19/1992
5103495Partitioned optical delay line architecture for time steering of large 1-D array antennas
A partitioned optical delay line apparatus for time-steering large array antenna converting microwave signals to optical signals which are optically delayed in binary programmable fiberoptic delay lines to provide a number of output signal delay sets....
04/07/1992
5101173Stored program controlled module amplifier bias and amplitude/phase compensation apparatus
A stored program amplifier compensation apparatus utilizing sensing elements to provide the operational states of an RF power amplifier to a controller processor unit which utilizes the operational data to provide a bias control signal to the RF power amp...
03/31/1992
5101455Recirculating binary fiberoptic delay line apparatus for time steering
A recirculating binary fiberoptic delay line apparatus having a programmable optical delay line to delay multiplexed optical signals which are at different wavelengths. An optical demultiplexer separates the delayed multiplexed signals according to wavele...
03/31/1992
5064590Method of forming an ultra-thin nonlinear optical film
A method of producing a nonlinear optical film from a lyotropic liquid crystalline polymer by diluting the polymer with a dopant to form a concentrated mixture. The concentrated mixture is filtered in a high pressure filtration cell and vacuum degassed. T...
11/12/1991
5060245Interline transfer CCD image sensing apparatus
In interline transfer type image sensing devices, photogenerated charge is transferred from a collection node into a charge coupled shift register. The framing rate of these detectors is typically limited by the maximum readout rate of the shift register....
10/22/1991
5056915Fiber optic calibration standard apparatus
A fiber optic calibration standard apparatus having a fiber optic cable pair which have difference in length of one quarter the wavelength of the applied modulated signal and are coupled to a mirrored reflecting surface to provide reflection reference sig...
10/15/1991
5050976Hub and petal apparatus for mosaic mirrors and millimeter wave antennas
A mirror or antenna apparatus having individual petal segments, each of a complex shape, mated with a central hub assembly. Registration pads are provided on the hub assembly to align the petal segments with respect to the hub and each other. Electrical a...
09/24/1991
5025183Electromagnetic actuator driver apparatus with pivot axis
An electromagnetic actuator driver apparatus having a bobbin with an electrical coil wound around the central portion thereof and positioned within a permanent magnetic generated flux field structure. A drive arm is engaged by bobbin fingers at the input ...
06/18/1991
5015844Optical surveillance sensor apparatus
An optical sensor apparatus having one or more optical fibers with a numerical aperture of 0.870 or less to receive and conduct light signals. A light detecting unit receiving the light signals from said optical fibers and providing an electrical output s...
05/14/1991
4999552Torque motor driver
A torque motor driver apparatus utilizing an operational amplifier driver which operates near zero milliamps output current, to drive and control a torque motor of non-zero null current, with minimum steady-state power consumption and full functional perf...
03/12/1991
4998112Method for measuring large antenna arrays
A method for measuring the far field antenna pattern of a large phased array antenna on a conventional far field range by applying a correction factor to the antenna phase shifters. As the antenna is electronically steered to each of its scan angle, a par...
03/05/1991
4962424Video airdrop sight apparatus
A video airdrop sight apparatus having a video camera which is mounted on a gyro-stabilizes gimbal structure for correction about the pitch and roll axis. The video camera which is positioned in the bottom of a cargo plane provides video signals to a moni...
10/09/1990
4943771Differential eddy current sensor measuring apparatus for use with movable mirror segments
A differential eddy current sensor apparatus having a balance bridge to measure impedance unbalance between a pair of sensor coil which have a conductive target centered therebetween. When the target is moved toward one of the sensors the resultant impeda...
07/24/1990
4926633Coolant pressure regulating apparatus
A coolant pressure regulating appartus having a predetermined number of coolant pressure regulating valves which rotate against a spring bias to divert coolant flow and excess pressure from the coolant air fan duct into the engine core exhaust flow. The p...
05/22/1990
4924230Search detection apparatus
A radar search detection apparatus having a monopulse antenna to receive sum and difference beam signals which are applied to separate target detection channels to detect and identify target returns....
05/08/1990
4905242Pipelined error detection and correction apparatus with programmable address trap
An error detection and correction apparatus utilizing seven internally generated check bits which are applied to incoming data signals on the next clock. The combination data signals are written into the system random access memory and are reapplied to th...
02/27/1990
4903492Dilution air dispensing apparatus
A dilution air dispensing apparatus for a double dome combustor with dilution air dispensing holes that are staggered on the opposite walls of the centerbody. The wakes on the downstream side of the jets provide avenues of access for the deflected combust...
02/27/1990
4896032Active boresight drift measurement and calibration apparatus
An active boresight drift measurement and calibration apparatus utilizing a predetermined number of interferometer units to measure the distances between themselves, the target tracking unit and the beam direction sensing unit. The interferometer units pr...
01/23/1990
4888566Temperature compensated stable duty cycle crystal oscillator apparatus
A temperature-compensated crystal oscillator utilizing a fundamental frequency crystal with an input RC network to bias an input transistor. Temperature compensation for the oscillator is achieved by the use of a series diode in the emitter circuit of the...
12/19/1989
4872135Double pinhole spatial phase correlator apparatus
A random wavefront is incident on an aperture plate with a double pinhole of variable separation that is followed by Fourier transforming optics which focuses an intensity profile on a detector array. The detector array is located in the Fourier transform...
10/03/1989
 
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