Inventor
David M. Pepper
Inventor
Malibu, CA, US
Overview
Patents· 68 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus14%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein12%
H04BTransmission10%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves8%
G01NInvestigating or analysing materials by determining their chemical or physical properties8%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light7%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation7%
G01DMeasuring not specially adapted for a specific variable5%
G01SRadio direction-finding5%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light4%
PatentTitleYear
8,681,421'Molecular gas-filled hollow core photonic crystal fiber laser at infra-red wavelengths'20148,229,304'Phase control of a fiber optic bundle'20128,228,582'Optical retro-reflective apparatus with modulation capability'20128,030,122'Method and apparatus for reduction of non-adaptive signals in photo-EMF sensors'20117,821,704'Compact, tunable, efficient IR laser and IR guiding silica fibers'20107,729,030'Optical retro-reflective apparatus with modulation capability'20107,729,572'Optical tapped time delay modules and arrays'20107,724,994'Digitally controlled optical tapped time delay modules and arrays'20107,701,027'Method and apparatus for reduction of non-adaptive signals in photo-EMF sensors'20107,486,893'Dynamic optical interconnect system reference signal formation'20097,471,454'Dynamic optical tag communicator and system using corner cube modulating retroreflector'20087,382,465'Optical vibrometer'20087,345,804'Dynamic optical tag communicator and system using corner cube modulating retroreflector'20087,330,665'Optical frequency modulated transmitter'20087,292,791'Optical-to-wireless wdm converter'20077,283,751'Adaptive optical system compensating for phase fluctuations'20077,262,861'Ultrasound single-element non-contacting inspection system'20077,259,859'Terahertz modulation spectrometer'20077,254,152'Optically pumped active mirror with improved performance and reduced parasitics'20077,233,726'Compact phase-conjugate mirror and other optic devices'20077,215,696'Electrically pumped semiconductor active mirror with improved performance and reduced parasitics'20077,176,542'Photo induced-EMF sensor shield'20077,174,064'Optical channelizer utilizing resonant microsphere coupling'20077,142,348'Conformal retro-modulator optical devices'20067,119,906'Optical remote sensor with differential Doppler motion compensation'20067,113,707'Dynamic optical interconnect'20067,089,796'Time-reversed photoacoustic system and uses thereof'20067,027,161'Adaptive optical system with self-referencing contrast control'20066,973,830'Time-reversed photoacoustic system and uses thereof'20056,954,302'Conformal retro-modulator optical devices'20056,872,960'Robust infrared countermeasure system and method'20056,819,432'Coherent detecting receiver using a time delay interferometer and adaptive beam combiner'20046,818,880'Enhanced photo-EMF sensor with high bandwidth and large field of view'20046,809,991'Method and apparatus for detecting hidden features disposed in an opaque environment'20046,778,318'Optical-to-wireless WDM converter'20046,777,244'Compact sensor using microcavity structures'20046,765,495'Inter vehicle communication system'20046,760,512'Electro-optical programmable true-time delay generator'20046,696,692'Process control methods for use with e-beam fabrication technology'20046,657,732'Vibrometer system using a two input beam phase conjugate mirror'20036,552,696'Electronically tunable reflector'20036,490,076'Optical phased array for depolarized optical beam control'20026,342,721'Enhanced non-steady-state photo-induced electromotive force detector'20026,285,514'Lens for angularly overlapping a central portion of an optical beam with an outer portion of the beam'20016,087,652'Contactless acoustic sensing system with detector array scanning and self-calibration'20006,075,603'Contactless acoustic sensing system with detector array scanning and self-calibrating'20005,926,494'Laser systems with improved performance and reduced parasitics and method'19995,909,279'Ultrasonic sensor using short coherence length optical source, and operating method'19995,717,516'Hybrid laser power combining and beam cleanup system using nonlinear and adaptive optical wavefront compensation'19985,684,592'System and method for detecting ultrasound using time-delay interferometry'19975,585,921'Laser-ultrasonic non-destructive, non-contacting inspection system'19965,557,431'Real-time compensated imaging system and method using a double-pumped phase-conjugate mirror'19965,546,187'Self-referencing laser-based ultrasonic wave receiver'19965,374,456'Surface potential control in plasma processing of materials'19945,113,282'Dual light valve system with selective decoupling of light valves'19925,051,571'Cascaded adaptive optics system'19915,048,935'Method for adaptive correction of the phase non-uniformity of a liquid crystal light valve'19915,046,824'Adaptive optics system and method'19915,042,922'Method for improvidng the spatial resolution in an integrated adaptive optics apparatus'19915,038,359'Self-pumped, optical phase conjugation method and apparatus using pseudo-conjugator to produce retroreflected seed beam'19914,958,908'Bandwidth-preserving brillouin phase conjugate mirror and method'19904,833,314'Variable phase stop for use in interferometers'19894,803,696'Laser with grating feedback unstable resonator'19894,768,864'Liquid-crystal-based optical power limiter'19884,767,195'System and method for encoding information onto an optical beam'19884,762,397'Optical phase conjugator with spatially resolvable thresholding utilizing liquid crystal light valve'19884,739,496'Associative holographic memory apparatus employing phase conjugate mirrors'19884,291,950'Electro-optic devices using Stark-induced birefringence and dichroism'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1998Patents assigned to HUGHES AIRCRAFT CO (20)· patent assignee history
1981Based in Los Angeles, CA, US· patent location history
1988–2014Based in Malibu, CA, US· patent location history
1999–2002Patents assigned to HUGHES ELECTRONICS CORP (6)· patent assignee history
2002–2014Patents assigned to HRL LAB LLC (40)· patent assignee history
2004–2005Patents assigned to RAYTHEON CO (2)· patent assignee history
2012–2014Patents assigned to PEPPER DAVID M (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HRL LAB LLC | 40 | 2002–2014 |
| HUGHES AIRCRAFT CO | 20 | 1981–1998 |
| HUGHES ELECTRONICS CORP | 6 | 1999–2002 |
| PEPPER DAVID Mself | 3 | 2012–2014 |
| RAYTHEON CO | 2 | 2004–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Malibu, California, US | 67 | 1988–2014 |
| Los Angeles, California, US | 1 | 1981 |