Inventor

Roger A. Whatley

Inventor

Austin, TX, US

Overview

20→

Patents

1982–2002

Patent span

Electricity

Primary field (CPC H)

Patents· 20 as inventor

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

H03Fprimary

H03FAmplifiers35%

G05FSystems for regulating electric or magnetic variables30%

H03KPulse technique22%

G06GAnalogue computers4%

H03HImpedance networks, e.g. resonant circuits4%

H03MCoding4%

PatentTitleYear

6,492,686'Integrated circuit having buffering circuitry with slew rate control'2002 6,066,971'Integrated circuit having buffering circuitry with slew rate control'2000 5,245,646'Tuning circuit for use with an integrated continuous time analog filter'1993 5,083,051'Output driver circuit with improved output stage biasing'1992 5,055,847'Differential sensing current-steering analog-to-digital converter'1991 5,045,773'Current source circuit with constant output'1991 4,857,863'Low power output driver circuit with slew rate limiting'1989 4,713,625'Circuit for improving power supply rejection in an operational amplifier with frequency compensation'1987 4,636,738'Parasitic compensated switched capacitor integrator'1987 4,573,020'Fully differential operational amplifier with D.C. common-mode feedback'1986 4,516,082'Amplifier circuit for minimizing output voltage power-up transients'1985 4,508,983'MOS Analog switch driven by complementary, minimally skewed clock signals'1985 4,504,747'Input buffer circuit for receiving multiple level input voltages'1985 4,482,868'Output stage for a driver circuit having low quiescent output current'1984 4,477,737'Voltage generator circuit having compensation for process and temperature variation'1984 4,450,367'Delta V.sub.BE bias current reference circuit'1984 4,375,595'Switched capacitor temperature independent bandgap reference'1983 4,355,285'Auto-zeroing operational amplifier circuit'1982 4,342,926'Bias current reference circuit'1982 4,336,503'Driver circuit having reduced cross-over distortion'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2002Patents assigned to MOTOROLA INC (20)· patent assignee history

1982–1986Based in Austin, TX, US· patent location history

1987–2002Based in Georgetown, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MOTOROLA INC	20	1982–2002

Locations

Location	Patents	Span
Austin, Texas, US	11	1982–1986
Georgetown, Texas, US	9	1987–2002