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Inventor

John G. Campbell

Inventor
Los Altos, CA, US

Overview

11→
Patents
1986–2014
Patent span
Physics
Primary field (CPC G)

Patents· 11 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information50%
H03KPulse technique25%
G11CStatic stores17%
G01RMeasuring electric variables8%
PatentTitleYear
8,760,477'Pixel circuit and display system comprising same'20146,879,304'Row and/or column decoder optimization method and apparatus'20056,288,712'System and method for reducing peak current and bandwidth requirements in a display driver circuit'20016,275,202'Row and/or column decoder optimization method and apparatus'20016,188,377'Internal row sequencer for reducing bandwidth and peak current requirements in a display driver circuit'20016,005,558'Display with multiplexed pixels for achieving modulation between saturation and threshold voltages'19995,519,338'Controlled slew rate output buffer'19965,432,736'BiCMOS memory cell with current access'19955,410,670'Accessing system that reduces access times due to transmission delays and I/O access circuitry in a burst mode random access memory'19954,651,038'Gate having temperature-stabilized delay'19874,623,802'Multiple-stage gate network having independent reference voltage sources'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to FAIRCHILD SEMICONDUCTOR (1)· patent assignee history
1986–2005Based in Los Altos, CA, US· patent location history
1987Patents assigned to FAIRCHILD CAMERA INSTR CO (1)· patent assignee history
1995–1996Patents assigned to MICROUNITY SYSTEMS ENG (3)· patent assignee history
1999–2005Patents assigned to AURORA SYS INC (5)· patent assignee history
2014Patents assigned to CAMPBELL JOHN GRAY (1)· patent assignee history
2014Based in San Carlos, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AURORA SYS INC51999–2005
MICROUNITY SYSTEMS ENG31995–1996
CAMPBELL JOHN GRAYself12014
FAIRCHILD CAMERA INSTR CO11987
FAIRCHILD SEMICONDUCTOR11986
Locations
LocationPatentsSpan
Los Altos, California, US101986–2005
San Carlos, California, US12014