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:
May. 09, 2017
Filed:
Jul. 31, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Tomoya Suzuki, Kawasaki, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A first table used for compression of a message to be transmitted to another communication apparatus and decompression of a compressed message received from the other communication apparatus is generated. After the first table is generated, the first table is updated based on data contained in a message to be transmitted to the other communication apparatus. The other communication apparatus is guided to transmit a predetermined message corresponding to a specific index in the first table. Integrity of the updated first table and a second table used in the other communication apparatus by referring to the predetermined message received from the other communication apparatus. The second table is used for compression of a message to be transmitted to the communication apparatus and decompression of a compressed message received from the communication apparatus in the other communication apparatus.