James O. McPherson

Person

Newport Beach, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of evaluating a storage medium by recirculating a test sampl...
- Patent number 5,126,990
- Issue date Jun 30, 1992
- Discovision Associates
- Edward Efron
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signal evaluation by accumulation at one rate and releasing and tes...
- Patent number 5,001,568
- Issue date Mar 19, 1991
- Discovision Associates
- Edward Efron
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for recording a multiplexed signal on a record...
- Patent number 4,764,915
- Issue date Aug 16, 1988
- Discovision Associates
- Edward Efron
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Audio evaluation of information stored on a record medium under con...
- Patent number 4,755,884
- Issue date Jul 5, 1988
- Discovision Associates
- Edward Efron
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Recording characteristic evaluation of a recording medium with a ti...
- Patent number 4,746,991
- Issue date May 24, 1988
- Discovision Associates
- Edward Efron
- G11 - INFORMATION STORAGE
Information Patent Grant
Characterizing the information transfer characteristics of a record...
- Patent number 4,682,246
- Issue date Jul 21, 1987
- Discovision Associates
- Edward Efron
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Audio/video quality monitoring system
- Patent number 4,623,837
- Issue date Nov 18, 1986
- Discovision Associates
- Edward Efron
- G11 - INFORMATION STORAGE
Information Patent Grant
Audio evaluation under control of video picture frame number
- Patent number 4,598,324
- Issue date Jul 1, 1986
- Discovision Associates
- Edward Efron
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Analyzing the signal transfer characteristics of a signal processin...
- Patent number 4,524,444
- Issue date Jun 18, 1985
- Discovision Associates
- Edward Efron
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Audio/video quality monitoring system
- Patent number 4,455,634
- Issue date Jun 19, 1984
- Discovision Associates
- Edward Efron
- G06 - COMPUTING CALCULATING COUNTING

James O. McPherson

Person

Patents Grantslast 30 patents

Method of evaluating a storage medium by recirculating a test sampl...

Signal evaluation by accumulation at one rate and releasing and tes...

Method and apparatus for recording a multiplexed signal on a record...

Audio evaluation of information stored on a record medium under con...

Recording characteristic evaluation of a recording medium with a ti...

Characterizing the information transfer characteristics of a record...

Audio/video quality monitoring system

Audio evaluation under control of video picture frame number

Analyzing the signal transfer characteristics of a signal processin...

Audio/video quality monitoring system