Clock circuit for the reading of sequentially recorded information elements in a multitrack recording system

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United States of America Patent

PATENT NO 5986834
SERIAL NO

08478809

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Abstract

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A clock circuit for the reading of sequential information elements includes a phase-locked loop for the control of the controlled oscillator. In the case of a reading system with n tracks, the phase computation circuit, the digital filter and the controlled oscillator each include as many memories (delay circuits R 1.1, . . . R 2.1, . . . R 3.1, . . . ) as there are samples of information elements (or information tracks) to be processed almost simultaneously. The invention finds particular application in the reading of high-density recording media.

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Patent Owner(s)

Patent OwnerAddress
THES INVESTMENTS LIMITED LIABILITY COMPANY2711 CENTERVILLE ROAD SUITE 400 WILMINGTON DE 19808

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Audoin, Michel Villeneuve St Georges, FR 10 87
Colineau, Joseph Bures Sur Yvette, FR 27 243

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