Inventor
Richard C. Walker
Inventor
Palo Alto, CA, US
Overview
Patents· 45 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication16%
G02BOptical elements, systems or apparatus9%
G06FElectric digital data processing8%
H04BTransmission8%
H04JMultiplex communication6%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
H03KPulse technique5%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for4%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses4%
B60TVehicle brake control systems or parts thereof3%
PatentTitleYear
10,817,306Boot loader for active cable assemblies202010,235,184Boot loader for active cable assemblies20199,983,376High-data-rate electrical interconnect cables20189,882,651'Methods, circuits and optical cable assemblies for optical transmission of high-speed data and low-speed data'20189,497,525'Optical engines and optical cable assemblies having electrical signal conditioning'20169,354,411'Receiver optical assemblies (ROAs) having photo-detector remotely located from transimpedance amplifier, and related components, circuits, and methods'20169,225,423'Optical engines and optical cable assemblies capable of low-speed and high-speed optical communication'20159,213,445'Optical touch-screen systems and methods using a planar transparent sheet'20159,046,961'Robust optical touch—screen systems and methods using a planar transparent sheet'20158,824,838'Integrated circuit for facilitating optical communication between electronic devices'20148,403,571'Apparatuses, systems, and methods for facilitating optical communication between electronic devices'20137,259,357'Electronically controlled sealing, unsealing and/or bonding with metal strip or wire coated with liquefiable substance for redundant application and tamper detection'20077,221,723'Multi-phase sampling'20077,055,073'Coding method for coding packetized serial data with low overhead'20066,975,617'Network monitoring system with built-in monitoring data gathering'20056,965,816'PFN/TRAC system FAA upgrades for accountable remote and robotics control to stop the unauthorized use of aircraft and to improve equipment management and public safety in transportation'20056,870,520'Immersive display system'20056,862,701'Data communication system with self-test facility'20056,795,064'Electro-optical material-based grey scale generating method'20046,760,349'Multiplexer with channel sectioning, selectivity actuated current sources, and common-base amplifiers'20046,760,551'Adaptive decoder for skin effect limited signals'20046,735,328'Personal viewing device with system for providing identification information to a connected system'20046,718,491'Coding method and coder for coding packetized serial data with low overhead'20046,650,638'Decoding method and decoder for 64b/66b coded packetized serial data'20036,647,328'Electrically controlled automated devices to control equipment and machinery with remote control and accountability worldwide'20036,552,698'Immersive display system'20036,501,404'System and method for encoding an input data stream by utilizing a predictive, look-ahead feature'20026,359,662'Method and system for compensating for defects in a multi-light valve display system'20026,329,974'Electro-optical material-based display device having analog pixel drivers'20016,249,269'Analog pixel drive circuit for an electro-optical material-based display device'20016,157,317'Secure communication and control system for monitoring, recording, reporting and/or restricting unauthorized use of vehicle.'20006,055,286'Oversampling rotational frequency detector'20005,841,325'Fully-integrated high-speed interleaved voltage-controlled ring oscillator'19985,678,222'Modulation and frequency conversion by time sharing'19975,507,602'Powder transfer from supersack containers and dispersion into a homogeneous slurry'19965,498,992'Unity gain positive feedback integrator with programmable charging currents and polarities'19965,438,621'DC-free line code and bit and frame synchronization for arbitrary data transmission'19955,323,269'System for transmitting and monitoring laser light and method for optical monitoring of a transmission path'1994D0338333'Combined portable accessory carrier and headrest'19935,138,287'High frequency common mode choke'19925,018,190'Device to block unauthorized modem access over a PBX line'19915,012,494'Method and apparatus for clock recovery and data retiming for random NRZ data'19914,884,041'Fully integrated high-speed voltage controlled ring oscillator'19894,791,653'Pseudorandom word sequence synchronizer'19884,001,036'System for improving charge efficiency of a zinc-chloride battery'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2003Patents assigned to HEWLETT PACKARD CO (11)· patent assignee history
1988–2020Based in Palo Alto, CA, US· patent location history
1993–2014Patents assigned to WALKER RICHARD C (4)· patent assignee history
1993Based in Abington, PA, US· patent location history
1994Based in Ann Arbor, MI, US· patent location history
1996Based in Bel Air, MD, US· patent location history
2000–2007Patents assigned to KLINE AND WALKER LLC (3)· patent assignee history
2000–2007Based in Waldorf, MD, US· patent location history
2001–2007Patents assigned to AGILENT TECHNOLOGIES INC (14)· patent assignee history
2016–2020Patents assigned to Corning Optical Communications LLC (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AGILENT TECHNOLOGIES INC | 14 | 2001–2007 |
| HEWLETT PACKARD CO | 11 | 1988–2003 |
| Corning Optical Communications LLC | 5 | 2016–2020 |
| WALKER RICHARD Cself | 4 | 1993–2014 |
| KLINE AND WALKER LLC | 3 | 2000–2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Palo Alto, California, US | 37 | 1988–2020 |
| Waldorf, Maryland, US | 4 | 2000–2007 |
| Bel Air, Maryland, US | 1 | 1996 |
| Ann Arbor, MI, US | 1 | 1994 |
| Abington, Pennsylvania, US | 1 | 1993 |