Oliver L. Richards Jr.

Person

N. Grosvenor Dale, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
FM data-system radio receiver
- Patent number 5,507,024
- Issue date Apr 9, 1996
- Allegro Microsystems, Inc.
- Oliver L. Richards
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Stereo FM radio receiver with variable band pass stereo decoder
- Patent number 5,202,924
- Issue date Apr 13, 1993
- Allegro Microsystems, Inc.
- Oliver L. Richards
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Blend-on-noise stereo decoder
- Patent number 5,027,402
- Issue date Jun 25, 1991
- Allegro Microsystems, Inc.
- Oliver L. Richards
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
FM stereo tone detector
- Patent number 5,001,757
- Issue date Mar 19, 1991
- Sprague Electric Company
- Thomas L. Field
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise blanking system for an AM radio receiver
- Patent number 4,856,084
- Issue date Aug 8, 1989
- Sprague Electric Company
- Oliver L. Richards
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise activated mute for FM reception in an AM/FM radio receiver
- Patent number 4,580,286
- Issue date Apr 1, 1986
- Sprague Electric Company
- Oliver L. Richards
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Radio receiver with logarithmic signal strength detector
- Patent number 4,580,287
- Issue date Apr 1, 1986
- Sprague Electric Company
- Oliver L. Richards
- G01 - MEASURING TESTING
Information Patent Grant
Scanning AM radio with discriminator-driven-scan-stop-circuit
- Patent number 4,580,285
- Issue date Apr 1, 1986
- Sprague Electric Company
- Oliver L. Richards
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Linear signal strength detector in AM radio
- Patent number 4,538,300
- Issue date Aug 27, 1985
- Sprague Electric Company
- Oliver L. Richards
- H03 - BASIC ELECTRONIC CIRCUITRY

Oliver L. Richards Jr.

Person

Patents Grantslast 30 patents

FM data-system radio receiver

Stereo FM radio receiver with variable band pass stereo decoder

Blend-on-noise stereo decoder

FM stereo tone detector

Noise blanking system for an AM radio receiver

Noise activated mute for FM reception in an AM/FM radio receiver

Radio receiver with logarithmic signal strength detector

Scanning AM radio with discriminator-driven-scan-stop-circuit

Linear signal strength detector in AM radio