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:
Oct. 07, 2003
Filed:
Feb. 14, 2000
Shoichi Miyamoto, Kawasaki, JP;
Yasuo Tanishima, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A delay correction system is used for a wireless telephone system in which a base station apparatus and at least one subscriber apparatus carry out transmitting and receiving operations via respective communication means, in conformance with a time division multiple access (TDMA) system using the base station apparatus as a synchronization reference. The delay correction system includes a measuring instruction input unit for inputting a delay measuring instruction which instructs a delay measurement, a delay measuring unit for measuring a delay quantity between the base station apparatus and the subscriber apparatus, and a first timing adjusting unit, provided in the subscriber apparatus, for receiving transmitting information which is to be sent to the base station apparatus at an allocated time slot, and for adjusting a timing of the transmitting information depending on the delay quantity before sending the transmitting information.