U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Control of receiver station timing for time-stamped data

Patent 5526362 Issued on June 11, 1996. Estimated Expiration Date: Icon_subject March 31, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Synchronization of asynchronous data signals
Patent #: 4811340
Issued on: 03/07/1989
Inventor: McEachern ,   et al.

Synchronous residual time stamp for timing recovery in a broadband network
Patent #: 5260978
Issued on: 11/09/1993
Inventor: Fleischer, et al.

Preamble length adjustment method in communication network and independent synchronization type serial data communication device
Patent #: 5272728
Issued on: 12/21/1993
Inventor: Ogawa

Asynchronous signal extracting circuit
Patent #: 5367545
Issued on: 11/22/1994
Inventor: Yamashita, et al.

Method and apparatus for adaptive clock recovery Patent #: 5396492
Issued on: 03/07/1995
Inventor: Lien

Inventors

Assignee

Application

No. 414372 filed on 03/31/1995

US Classes:

370/516, Adjusting for phase or jitter375/371, Phase displacement, slip or jitter correction375/376Phase locked loop

Examiners

Primary: Olms, Douglas W.
Assistant: Patel, Ajit

Attorney, Agent or Firm

International Class

H04J 003/06

Abstract

The invention provides a method and apparatus for controlling the timing at a receiving station for the receipt of asynchronous data transmitted with a time-stamp. The received data is passed through a buffer to the remainder of the station. A decoder at the receiving station generates an indication of buffer fill level and a local time-stamp is also generated. The output timing for the buffer is controlled by a circuit which is responsive to both a difference value off, received and locally generated time-stamps and to the fill level indication.

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