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last 30 patents
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Patent Grant
Apparatus for reading a disk-shaped record carrier
Patent number
4,446,545
Issue date
May 1, 1984
U.S. Philips Corporation
Ate Van Dijk
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for optically reading a disc-shaped record carrier, in pa...
Patent number
4,330,880
Issue date
May 18, 1982
U.S. Philips Corporation
Ate Van Dijk
G11 - INFORMATION STORAGE
Information
Patent Grant
Autofocus circuit for a videodisc playback device
Patent number
3,974,327
Issue date
Aug 10, 1976
U.S. Philips Corporation
Ate Van Dijk
G02 - OPTICS