Richard W. Ulmer

Person

Austin, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
High voltage detection circuit
- Patent number 4,659,944
- Issue date Apr 21, 1987
- Motorola, Inc.
- James A. Miller
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
MOS current limiting output circuit
- Patent number 4,612,497
- Issue date Sep 16, 1986
- Motorola, Inc.
- Richard W. Ulmer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
TTL to CMOS input buffer circuit for minimizing power consumption
- Patent number 4,584,491
- Issue date Apr 22, 1986
- Motorola, Inc.
- Richard W. Ulmer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Analog switch structure having low leakage current
- Patent number 4,544,854
- Issue date Oct 1, 1985
- Motorola, Inc.
- Richard W. Ulmer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage generator circuit having compensation for process and tempe...
- Patent number 4,477,737
- Issue date Oct 16, 1984
- Motorola, Inc.
- Richard W. Ulmer
- G05 - CONTROLLING REGULATING
Information Patent Grant
Circuit for interfacing with both TTL and CMOS voltage levels
- Patent number 4,472,647
- Issue date Sep 18, 1984
- Motorola, Inc.
- Robert N. Allgood
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
MOS Power-on reset circuit
- Patent number 4,385,245
- Issue date May 24, 1983
- Motorola, Inc.
- Richard W. Ulmer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Capacitive DAC to filter interface circuit
- Patent number 4,384,276
- Issue date May 17, 1983
- Motorola, Inc.
- Stephen H. Kelley
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
CMOS Operational amplifier employing push-pull output stage
- Patent number 4,383,223
- Issue date May 10, 1983
- Motorola, Inc.
- Richard W. Ulmer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switched capacitor temperature independent bandgap reference
- Patent number 4,375,595
- Issue date Mar 1, 1983
- Motorola, Inc.
- Richard W. Ulmer
- G05 - CONTROLLING REGULATING
Information Patent Grant
Multiple function operational amplifier circuit
- Patent number 4,370,632
- Issue date Jan 25, 1983
- Motorola, Inc.
- Robert N. Allgood
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Auto-zeroing operational amplifier circuit
- Patent number 4,355,285
- Issue date Oct 19, 1982
- Motorola, Inc.
- Stephen H. Kelley
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Programmable A-law and .mu.-law DAC
- Patent number 4,311,988
- Issue date Jan 19, 1982
- Motorola Inc.
- Stephen H. Kelley
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Regulated negative voltage supply
- Patent number 4,278,929
- Issue date Jul 14, 1981
- Motorola, Inc.
- Robert D. Lee
- G05 - CONTROLLING REGULATING
Information Patent Grant
High voltage CMOS circuit
- Patent number 4,191,898
- Issue date Mar 4, 1980
- Motorola, Inc.
- Richard W. Ulmer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High resolution auto-zero circuit for analog-to-digital converter
- Patent number 4,143,362
- Issue date Mar 6, 1979
- Motorola, Inc.
- Richard W. Ulmer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
CMOS polarity reversal circuit
- Patent number 4,139,880
- Issue date Feb 13, 1979
- Motorola, Inc.
- Richard W. Ulmer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Input protection circuit for CMOS oscillator
- Patent number 4,048,584
- Issue date Sep 13, 1977
- Motorola, Inc.
- Richard Walter Ulmer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Richard W. Ulmer

Person

Patents Grantslast 30 patents

High voltage detection circuit

MOS current limiting output circuit

TTL to CMOS input buffer circuit for minimizing power consumption

Analog switch structure having low leakage current

Voltage generator circuit having compensation for process and tempe...

Circuit for interfacing with both TTL and CMOS voltage levels

MOS Power-on reset circuit

Capacitive DAC to filter interface circuit

CMOS Operational amplifier employing push-pull output stage

Switched capacitor temperature independent bandgap reference

Multiple function operational amplifier circuit

Auto-zeroing operational amplifier circuit

Programmable A-law and .mu.-law DAC

Regulated negative voltage supply

High voltage CMOS circuit

High resolution auto-zero circuit for analog-to-digital converter

CMOS polarity reversal circuit

Input protection circuit for CMOS oscillator