Richard C Lind

8604968, Dec 10, 2013

Oct 6, 2009

13/119307

Stephen W. Alland - Newbury Park CA, US
Richard C. Lind - Noblesville IN, US
William G. Shogren - Noblesville IN, US
Lawrence A. Humm - West Hills CA, US
William A. Bauson - Zambia, ZM
Shawn Shi - Thousand Oaks CA, US

Delphi Technologies, Inc. - Troy MI

G01S 13/00

342 70, 342 22, 342 27

An integrated radar-camera sensor is provided which includes a camera sensor component and a radar sensor component both housed within a common single module housing. The sensor module also includes processing circuitry for processing the radar sensor and camera outputs. The sensor module is located behind the windshield of a vehicle and may include glare and/or EMI shields.

49437828, Jul 24, 1990

Mar 21, 1988

7/170957

Ronald R. Stephens - Westlake Village CA
Richard R. Craig - Los Angeles CA
Huan W. Yen - Westlake CA
Richard C. Lind - Woodland Hills CA

Hughes Aircraft Company - Los Angeles CA

H01S 398

330 43

A four-pass conjugate optical amplifier system and method are disclosed in which a linear polarized optical beam is directed by various optical elements through four passes of a power amplifier, preferably a diode laser structure. The beam is phase conjugated at the optical midpoint between the second and third amplifying passes, and is controlled by the optical elements so that its polarization is substantially the same during the first and second passes, and again substantially the same during the third and fourth amplifying passes. This is accomplished by a reflective coating on the back facet of the diode laser structure, with a non-reciprocal polarization rotation element located in the beam path between the phase conjugate mirror and power amplifier. For considerably enhanced power amplification, the beam may be divided into an array of subbeams, which are individually amplified by four passes through respective power amplifiers. The subbeams are processed by the optical system so that they recombine into a single coherent output beam after full amplification.

50489356, Sep 17, 1991

Dec 24, 1986

6/947575

Uzi Efron - Los Angeles CA
Bernard H. Soffer - Pacific Palisades CA
Richard C. Lind - Woodland Hills CA
David M. Pepper - Malibu CA
Thomas R. O'Meara - Malibu CA

Hughes Aircraft Company - Los Angeles CA

G02F 124

359 36

Apparatus for compensating for inherent distortions in a modified liquid crystal light valve used in an integrated wavefront sensing and wavefront control system for laser optics. A main wavefront sensing and control system utilizes a liquid crystal light valve selected for response speed but having inherent surface non-linearities. A beam from an auxiliary laser is intermittently applied, while the main laser is blocked, to both the fast response LCLV of the main system and to a slower response LCLV of an associated correction system. The second LCLV system corrects for the non-linearities in the surface of the first LCLV and then maintains the stored correction signal for a decay interval which corresponds to several response times of the main LCLV, thus permitting the main LCLV system to perform fast correction of atmospheric aberrations in the laser beam wavefront unaffected by inherent surface non-linearities.

49589083, Sep 25, 1990

Mar 15, 1989

7/323649

Davis A. Rockwell - Santa Monica CA
Richard C. Lind - Woodland Hills CA
David M. Pepper - Malibu CA

Hughes Aircraft Company - Los Angeles CA

G02B 2710

350311

A coherent input beam from a laser is fed into a Brillouin-enhanced four wave mixer which generates a phase conjugated seed beam in counterpropagation with the input beam. A brillouin amplifier is provided between the laser and four wave mixer to transfer energy from the input beam to the seed beam and thereby amplify the seed beam to produce a phase conjugated output beam with approximately 50% of the energy of the input beam and narrow bandwidth which is free from random phase jumps associated with the acoustic noise generally required to initiate and sustain stimulated Brillouin scattering. The phase conjugated output beam can be modulated or steered in direction, as desired. Reference beams for the four wave mixer may be derived from the same laser source as the input beam and have energies one or more orders of magnitude smaller than the energy of the input beam.

47156899, Dec 29, 1987

May 20, 1986

6/864937

Thomas R. O'Meara - Malibu CA
Richard C. Lind - Woodland Hills CA

Hughes Aircraft Company - Los Angeles CA

G02B 523
G02F 101

350354

A phase conjugate resonator (PCR) employing at least one phase conjugate mirror (PCM) provides high resolution spatial detection of individual locations in a two-dimensional optical array which exceed or fall below a threshold level. In one embodiment the optical intensity profile under investigation is imposed either onto one or both of the pump beams of a degenerate four-wave mixing PCM. In another embodiment a pair of PCMs are used as the two mirrors forming the PCR, with the pump beams for one PCM modulated and the pump beams for the other PCM serving as a threshold reference. In either case, the spatially modulated optical output may be read out with multiple detectors or an imaging system, or the cumulative area output of the PCR can be read out with a single detector to characterize the intensity profile relative to the threshold.

47572680, Jul 12, 1988

May 22, 1985

6/736877

Richard L. Abrams - Pacific Palisades CA
Hans W. Bruesselbach - Calabasas CA
Concetto R. Giuliano - Malibu CA
Richard C. Lind - Woodland Hills CA
Monica L. Minden - Calabasas CA
Thomas R. O'Meara - Malibu CA
David A. Rockwell - Santa Monica CA
Ronald R. Stephens - Westlake Village CA

Hughes Aircraft Company - Los Angeles CA

H01S 3098
G01C 308

330 43

A laser apparatus (10) has a coherent master oscillator radiation source (30) for driving a plurality of laser gain elements (20) positioned in a operationally parallel configuration so as to receive unamplified radiation (40) from master oscillator (30) and transmitting amplified radiation (44). Input means (60) couples portion of radiation (40) from master oscillator to each of said gain elements (20). Phase conjugate reflector means (80) operatively coupled to gain elements (20) reflects the phase conjugate of amplified radiation (44) back into the gain elements (20) where it is further amplified. Output coupling means (90) couples amplified radiation from the plurality of gain elements (20) out of the laser apparatus as a single coherent output beam of radiation.

54001625, Mar 21, 1995

Oct 29, 1993

8/145949

Irwin L. Newberg - Northridge CA
Richard C. Lind - Woodland Hills CA
Gregory L. Tangonan - Oxnard CA
Huan W. Yen - Westlake Village CA
Willie W. Ng - Agoura Hills CA
Jar J. Lee - Irvine CA
Andrew A. Walston - Los Angeles CA
Michael Wechsberg - Santa Ana CA

Hughes Aircraft Company - Los Angeles CA

H04J 140
G02B 628

359117

Optoelectronic switching apparatus employing optoelectronic switching devices interconnected by optical media having different delay lengths and an multiport optical coupler. The optoelectronic switching apparatus provides for a multibit true-time-delay beamsteerer for beamsteering phased array antennas. The present invention combines two types of optoelectronic devices, lasers and photodiode switches, using an interconnected passive optical network comprising the optical fibers and the optical coupler. The switches, and input and output signal networks coupled to the respective switches, are controlled using a control signal generator. Using this scheme, any input can be independently selected and a signal can be routed to any output. Furthermore, the product of the total number of different interconnect paths (N. times. M) is provided which provides a greater number of delay lengths than is provided by using only one type of switch (i. e.

47394960, Apr 19, 1988

Oct 11, 1985

6/786884

Emanuel Marom - Beverly Hills CA
Bernard H. Soffer - Pacific Palisades CA
Yuri Owechko - Newbury Park CA
Gilmore J. Dunning - Newbury Park CA
David M. Pepper - Malibu CA
Marvin B. Klein - Malibu CA
Richard C. Lind - Woodland Hills CA

Hughes Aircraft Company - Los Angeles CA

G11C 1304
G11C 1500
G03H 102

365125

Associative holography memory apparatus is disclosed which employs a hologram and two phase conjugate mirrors. The mirrors are arranged to form a conjugate resonator whereby the output image from the apparatus tends to converge to that stored image most closely associated with an input image. Alternate embodiments are described which employ a multiple storage and erasure hologram, and which employ only a single phase conjugate mirror.