McPherson; James O.

Patent Applications and Registrations

Patent applications and USPTO patent grants for McPherson; James O..The latest application filed is for "method of evaluating a storage medium by recirculating a test sample of a signal".

Company Profile

0.10.0

McPherson; James O. - Newport Beach CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method of evaluating a storage medium by recirculating a test sample of a signal Grant 5,126,990 - Efron , et al. June 30, 1	1992-06-30
Signal evaluation by accumulation at one rate and releasing and testing at a slower rate Grant 5,001,568 - Efron , et al. March 19, 1	1991-03-19
Method and apparatus for recording a multiplexed signal on a record medium Grant 4,764,915 - Efron , et al. August 16, 1	1988-08-16
Audio evaluation of information stored on a record medium under control of video picture frame number Grant 4,755,884 - Efron , et al. * July 5, 1	1988-07-05
Recording characteristic evaluation of a recording medium with a time sequence of test signals Grant 4,746,991 - Efron , et al. * May 24, 1	1988-05-24
Characterizing the information transfer characteristics of a recording medium Grant 4,682,246 - Efron , et al. * July 21, 1	1987-07-21
Audio/video quality monitoring system Grant 4,623,837 - Efron , et al. November 18, 1	1986-11-18
Audio evaluation under control of video picture frame number Grant 4,598,324 - Efron , et al. * July 1, 1	1986-07-01
Analyzing the signal transfer characteristics of a signal processing unit Grant 4,524,444 - Efron , et al. June 18, 1	1985-06-18
Audio/video quality monitoring system Grant 4,455,634 - Efron , et al. June 19, 1	1984-06-19

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