Prerecorded record carrier

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5363250
SERIAL NO

07892100

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A prerecorded tape-like magnetic record carrier has, on an A and a B side, a number of adjacent tracks (T.sub.a.1 to T.sub.a.n, T.sub.b.1 to T.sub.b.n) running in a longitudinal direction on the record carrier, the tracks on the A side, viewed in the play direction of the A side, having a lead-in (LI), an information area (IA) in which music programs are recorded on the A side, and a lead-out (LO), the tracks on the B side, viewed in the play direction of the B side, having a lead-in (LI), an information area (IB) in which music programs are recorded on the B side, and a lead-out (LO). The information areas on the A and B sides include frames ( . . . , FR.sub.j-1, FR.sub.j, FR.sub.j+i, . . . ) of an essentially fixed length in which digital audio information representing the music programs are recorded. The lead-ins on the A and B sides include frames with lead-in information, these frames having a length essentially equal to the length of the frames in the information areas. The lead-outs on the A and B sides include frames with lead-out information, these frames having a length likewise essentially equal to the length of the frames in the information areas. The end of the information area in a track (T.sub.a.i) on the A side, viewed in the play direction of the A side, is located past the beginning of the information area in a track (T.sub.b.j) on the B side, in such a way that X lead-in frames, where for X it holds that 1.ltoreq.X.ltoreq.24, are located in the section of the lead-in of said track (T.sub.b.j) on the B side between the end of the information area in the track (T.sub.a.i) on the A side and the beginning of the information area in the track on the B side.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
U S PHILIPS CORPORATION A CORP OF THE NETHERLANDSEAST 42ND ST NEW YORK NY 10017
POLYGRAM INTERNATIONAL HOLDING B V A CORP OF THE NETHERLANDSGERRIT VAN DER VEENLAAN 4 3743 DN BAARN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lokhoff, Gerardus C P Eindhoven, NL 27 984
Roering, Johannes J Baarn, NL 5 23

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