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:
Jun. 06, 1995
Filed:
Jun. 01, 1992
Vijay J Nadkarni, Naperville, IL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A contention free local area network includes a token passing control bus (102) and a data bus (104) coupled to a plurality of communication nodes ( 108, 112, 114, 116, 118, and 120). The control bus (102) allows for a transmit-enable token to be daisy-chained along the plurality of communication nodes. When one of the communication nodes wants to transmit a message, the node upon receiving the transmit-enable token holds the token until it transmits its message along a data bus (104) to the other communication nodes. Once the message is transmitted, the particular communication node releases the transmit-enable token, allowing the token to continue to be rotated among the plurality of communication nodes (108, 112, 114, 116, 118 and 120).