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:
Feb. 12, 2008
Filed:
Feb. 09, 2004
Atsushi Miyashita, Tokorozawa, JP;
Atsushi Miyashita, Tokorozawa, JP;
Hitachi Kokusai Electric Inc., Tokyo, JP;
Abstract
A method and apparatus capable of restricting the resending operation are disclosed, in which the resending operation is controlled by determining the conditions of the input signal from a movable transmitting end, based on the guard interval period set in the signal to be resent, thereby resending only a valid transmission signal. Once an input signal is supplied from the movable transmitting end to the resending apparatus, a guard information detector determines whether the input signal is to be resent or not, based on the degree of correlation of the guard interval period, and controls the operation of a voltage-controlled amplifier, thereby resending only a valid transmission signal. This determination is made based on the degree of correlation between a signal converted from the input signal and the guard interval period of the signal delayed from the converted signal.