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Multiplexer-related

Data-recovery-device

Routing system in data communication with frame relay procedure control

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High speed squelch circuit

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Data eye monitor

I claim: 1. A data eye monitor for a data input signal comprising: first means for comparing said ...

Single-sideband radiotelephone system

The present invention relates to a single-sideband radio system which may be used for ...

Wideband FM modulator and AFC control loop therefor

The present invention pertains to an improved digital frequency discriminator for use in a wideband ...

Extremely accurate automatic frequency control circuit and method therefor

The above and other objects are achieved by an automatic frequency control circuit which receives ...

Receiver data gate with automatic gain control

OF THE PREFERRED EMBODIMENT Referring to the Figure, a telephone system, such as a private branch ...

Data recovery device

Details

Inventors: Oliboni, Mark L.; Mittel, James G.; Erhart, Richard A.;
Assignee: Motorola, Inc. (Schaumburg, IL)
Primary Examiner: Chin; Stephen
Assistant Examiner:
Attorney, Agent or Firm: Rasor; Gregg E., Berry; Thomas G., Meles; Pablo

A data recovery device (208) for recovering data symbols having a period T from a received data stream. The data recovery device samples at least one data symbol in the received data stream at a rate determined by an integration envelope (301) having the period T. The samples are accumulated as a weighted sample count representing a recovered data symbol that is then stored as at least one recovered data bit.

DETAILED DESCRIPTION Briefly, according to the invention, there is provided a data recovery device for recovering data symbols having a period T from a received data stream.
The data recovery device samples at least one data symbol in the received data stream at a rate determined by an integration envelope having the period T.
The samples are accumulated as a weighted sample count representing a recovered data symbol that is then stored as at least one recovered data bit.

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