P

Inventor

SPENCE JOHN R

US38 patents
⚠️ This page may combine multiple inventors who share the name “SPENCE JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ROCKWELL INTERNATIONAL CORP

21 patents
US5486795AJan 23, 1996

Low power crystal oscillator

ROCKWELL INTERNATIONAL CORP23 citations92
US4763023AAug 9, 1988

Clocked CMOS bus precharge circuit having level sensing

ROCKWELL INTERNATIONAL CORP29 citations92
US4685085AAug 4, 1987

Non-volatile ram cell with charge pumps

ROCKWELL INTERNATIONAL CORP36 citations92
US5455542AOct 3, 1995

Symmetrical clock crystal oscillator circuit

ROCKWELL INTERNATIONAL CORP22 citations89
US4450368AMay 22, 1984

AC Coupled chopper stabilized differential comparator

ROCKWELL INTERNATIONAL CORP26 citations82
US3990070ANov 2, 1976

Strobing scheme and keyboard sensing circuit for a one chip calculator

ROCKWELL INTERNATIONAL CORP21 citations82
US5736887AApr 7, 1998

Five volt tolerant protection circuit

ROCKWELL INTERNATIONAL CORP12 citations74
US4804864AFeb 14, 1989

Multiphase CMOS toggle flip-flop

ROCKWELL INTERNATIONAL CORP7 citations74
US4686652AAug 11, 1987

Non-volatile RAM cell with single high voltage precharge

ROCKWELL INTERNATIONAL CORP10 citations74
US4549100AOct 22, 1985

MOS Voltage comparator and method

ROCKWELL INTERNATIONAL CORP11 citations74
US4488266ADec 11, 1984

Low-power address decoder

ROCKWELL INTERNATIONAL CORP7 citations74
US4250408AFeb 10, 1981

Clock pulse amplifier and clipper

ROCKWELL INTERNATIONAL CORP9 citations74
US4048632ASep 13, 1977

Drive circuit for a display

ROCKWELL INTERNATIONAL CORP18 citations74
US4004163AJan 18, 1977

Time delay, charge, transfer circuit

ROCKWELL INTERNATIONAL CORP8 citations74
US4504745AMar 12, 1985

Clocked tri-state driver circuit

ROCKWELL INTERNATIONAL CORP16 citations70
US5834953ANov 10, 1998

High speed current sense amplifier

ROCKWELL INTERNATIONAL CORP14 citations66
US4706220ANov 10, 1987

Non-volatile RAM cell with dual high voltage precharge

ROCKWELL INTERNATIONAL CORP6 citations63
US4224532ASep 23, 1980

One chip direct drive and keyboard sensing arrangement for light emitting diode and digitron displays

ROCKWELL INTERNATIONAL CORP4 citations63
US4100460AJul 11, 1978

One chip direct drive and keyboard sensing arrangement for light emitting diode and digitron displays

ROCKWELL INTERNATIONAL CORP3 citations63
US4044335AAug 23, 1977

Memory cell output driver

ROCKWELL INTERNATIONAL CORP5 citations63
US4041330AAug 9, 1977

Selectable eight or twelve digit integrated circuit calculator and conditional gate output signal modification circuit therefor

ROCKWELL INTERNATIONAL CORP2 citations58

CONEXANT SYSTEMS INC

5 patents

TERRAHAWK LLC

3 patents

MINDSPEED TECH INC

2 patents

JAMES TOM R

2 patents

INT VERIFACT INC

1 patent

(unassigned)

1 patent

CONEXANT SYTEMS INC

1 patent

PIKE TRAILER CO

1 patent

PHOTO TRONICS INC

1 patent