Ronald H. Chapman

Person

Wheaton, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Feedback loop closure in a linear transmitter
- Patent number 5,559,468
- Issue date Sep 24, 1996
- Motorola, Inc.
- Paul H. Gailus
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Feedforward distortion cancellation circuit
- Patent number 5,051,704
- Issue date Sep 24, 1991
- Motorola, Inc.
- Ronald H. Chapman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Splatter controlled amplifier
- Patent number 5,021,753
- Issue date Jun 4, 1991
- Motorola, Inc.
- Ronald H. Chapman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive range/DC restoration circuit or use with analog to digital...
- Patent number 4,827,191
- Issue date May 2, 1989
- Motorola, Inc.
- Ronald H. Chapman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Adaptive splatter control
- Patent number 4,775,995
- Issue date Oct 4, 1988
- Motorola, Inc.
- Ronald H. Chapman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital frequency discriminator
- Patent number 4,656,431
- Issue date Apr 7, 1987
- Motorola, Inc.
- Ronald H. Chapman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Continuous tone decoder/encoder
- Patent number 4,484,354
- Issue date Nov 20, 1984
- Motorola, Inc.
- Robert M. Bennett
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Isolation method and apparatus for a same frequency repeater
- Patent number 4,475,243
- Issue date Oct 2, 1984
- Motorola, Inc.
- Percy P. Batlivala
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable frequency reference source responsive to digital data
- Patent number 4,471,328
- Issue date Sep 11, 1984
- Motorola, Inc.
- Ronald H. Chapman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase-locked receiver with derived reference frequency
- Patent number 4,451,930
- Issue date May 29, 1984
- Motorola Inc.
- Ronald H. Chapman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low frequency astable oscillator having switchable current sources
- Patent number 4,365,213
- Issue date Dec 21, 1982
- Motorola Inc.
- Kenneth A. Hansen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Wide frequency range current-controlled oscillator
- Patent number 4,233,575
- Issue date Nov 11, 1980
- Motorola, Inc.
- Ronald H. Chapman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Simulcast transmission system having phase-locked remote transmitters
- Patent number 4,188,582
- Issue date Feb 12, 1980
- Motorola, Inc.
- Gary A. Cannalte
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sampled signal detector
- Patent number 4,064,488
- Issue date Dec 20, 1977
- Motorola, Inc.
- Ronald Howard Chapman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Analog to digital converter for asynchronous detector
- Patent number 4,006,454
- Issue date Feb 1, 1977
- Motorola, Inc.
- Kermit Myles Beseke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Ronald H. Chapman

Person

Patents Grantslast 30 patents

Feedback loop closure in a linear transmitter

Feedforward distortion cancellation circuit

Splatter controlled amplifier

Adaptive range/DC restoration circuit or use with analog to digital...

Adaptive splatter control

Digital frequency discriminator

Continuous tone decoder/encoder

Isolation method and apparatus for a same frequency repeater

Variable frequency reference source responsive to digital data

Phase-locked receiver with derived reference frequency

Low frequency astable oscillator having switchable current sources

Wide frequency range current-controlled oscillator

Simulcast transmission system having phase-locked remote transmitters

Sampled signal detector

Analog to digital converter for asynchronous detector