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:
Nov. 20, 2001
Filed:
Jun. 07, 1999
Masahiko Miyashita, Saitama-ken, JP;
Takao Yamada, Saitama-ken, JP;
Kazuo Kamei, Saitama-ken, JP;
Sanpei Asai, Tokyo, JP;
Makoto Takanashi, Tokyo, JP;
Pioneer Electronic Corporation, Tokyo, JP;
Abstract
A method of and an apparatus for processing communication data transmitted from a data center such as a sing-along data center to a terminal communication apparatus such as a communication type sing-along apparatus via a communication line. The method and apparatus are such that a data file may be stored in a first memory provided in the terminal communication apparatus when said data file has been transmitted from the data center while the terminal communication apparatus itself is not in operation, a version of the data file stored in the first memory is compared with a version of an existing data file formerly recorded in a second memory provided in the terminal communication apparatus when said terminal communication apparatus is in operation and said second memory is in ON state, the data file formerly recorded in the second memory is replaced by the data file recorded in the first memory if it is determined that the version of the data file recorded in the second memory is older than the version of the data file recorded in the first memory.