The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 24, 1991
Filed:
Mar. 27, 1990
Eduard Zwack, Puchheim, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
Method for synchronizing the phase of clock signals of two clock generators in communications networks. Using the present method, the phase relations of clock signals that are derived from oscillator clock signals in two clock generators are synchronized such that the phase relations of the clock signals coincide regardless of the distance between the two clock generators. To this end, one clock generator is defined as a reference clock generator and reference clock signals formed therein are communicated to the other further clock generator. In the latter, the generated further clock signals are synchronized with the incoming reference clock signals and the clock signals synchronized in this fashion are forwarded to the reference clock generator. In the latter, the phase deviation of the internally formed clock signals and of the incoming clock signals is measured and correction information is formed and forwarded to the other further clock generator. The phase relation of the clock signals is corrected in the other further clock generator in conformity with the correction information.