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. 16, 1998
Filed:
Jun. 27, 1995
Kikuo Muramatsu, Itami, JP;
Yasushi Okamoto, Itami, JP;
Akiya Arimoto, Itami, JP;
Shinji Suda, Itami, JP;
Etsuya Yokoyama, Himeji, JP;
Takeshi Nita, Sanda, JP;
Yuichiro Yamaguchi, Itami, JP;
Yoshikazu Satou, Itami, JP;
Norio Matsumoto, Himeji, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A primary object is to provide a communication apparatus, in particular, its buffer memory which conforms mainly to specifications of SAE-J1850 or ISO-9141. In the buffer memory, there are provided: at least, one more status registers storing information associated with the state of respective information to be transmitted and received, than the number of buffers storing information to be transmitted and received; at least, the same number of transmission error registers storing information associated with the transmitting state of information to be transmitted, as the buffers storing information to be transmitted; at least, one more receiving error registers storing information associated with the receiving state of information to be received, than the buffers storing information to be received; at least, one more source address registers storing information associated with the other communication apparatus which has transmitted respective information to be received, than the buffers storing information to be received; and at least, the same number of response information registers storing information responded from the communication apparatus which is to receive information when the information to be transmitted is transmitted, as the buffers storing information to be transmitted.