Fred W. Spong

Person

Lawrenceville, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optical video or data tape record and playback apparatus
- Patent number 4,661,941
- Issue date Apr 28, 1987
- RCA Corporation
- Alan E. Bell
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayer record blank for use in optical recording
- Patent number 4,305,081
- Issue date Dec 8, 1981
- RCA Corporation
- Fred W. Spong
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical record playback apparatus employing light frequency at whic...
- Patent number 4,219,848
- Issue date Aug 26, 1980
- RCA Corporation
- Fred W. Spong
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording methods for a multilayer optical record
- Patent number 4,190,843
- Issue date Feb 26, 1980
- RCA Corporation
- Fred W. Spong
- G11 - INFORMATION STORAGE
Information Patent Grant
Capacitance distance sensor apparatus for video disc player/recorder
- Patent number 4,183,060
- Issue date Jan 8, 1980
- RCA Corporation
- William E. Barnette
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording a synthetic focused-image hologram on a thermally deforma...
- Patent number 4,174,881
- Issue date Nov 20, 1979
- RCA Corporation
- Thomas L. Credelle
- G02 - OPTICS
Information Patent Grant
Broadening the spatial frequency pass band of a thermoplastic layer
- Patent number 4,148,636
- Issue date Apr 10, 1979
- RCA Corp.
- Thomas L. Credelle
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Broadening the spatial frequency pass band of a thermoplastic layer
- Patent number 4,137,077
- Issue date Jan 30, 1979
- RCA Corporation
- Thomas L. Credelle
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multilayer optical record
- Patent number 4,097,895
- Issue date Jun 27, 1978
- RCA Corporation
- Fred William Spong
- G11 - INFORMATION STORAGE

Fred W. Spong

Person

Patents Grantslast 30 patents

Optical video or data tape record and playback apparatus

Multilayer record blank for use in optical recording

Optical record playback apparatus employing light frequency at whic...

Recording methods for a multilayer optical record

Capacitance distance sensor apparatus for video disc player/recorder

Recording a synthetic focused-image hologram on a thermally deforma...

Broadening the spatial frequency pass band of a thermoplastic layer

Broadening the spatial frequency pass band of a thermoplastic layer

Multilayer optical record