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:
Mar. 07, 2000
Filed:
Oct. 18, 1996
Takeshi Ota, Nakai-machi, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An improved transmission control method for use in a network which includes a time division multiplexing channel and a contention control channel. At least one station and a central control unit are connected both to a contention control channel and a time division multiplexing (TDMA) channel. When a station starts a time division multiplexing session, it transmits an access request to the central control unit via the contention control channel. After the central control unit receives the access request, the station which transmitted the access request is included in the order of the time division multiplexing (TDMA). The central control unit repeatedly transmits a transmission permitting token to the station via the TDMA channel in accordance with the order of the time division multiplexing. The station which received the transmission permitting token transmits the data entity, if existing, to either the other station or the central control unit via the second communication channel, and also transmits a transmission terminating token to the central control unit via the second communication channel. When the central control unit receives the transmission terminating token, it transmits the transmission permitting token via the second communication channel to the next station in the order of the time division multiplexing.