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:
Dec. 07, 1999
Filed:
Jul. 16, 1997
Masayoshi Toujima, Fukuoka, JP;
Yasuo Kohashi, Fukuoka, JP;
Hitoshi Fujimoto, Fukuoka, JP;
Tomonori Yonezawa, Fukuoka, JP;
Masatoshi Matsuo, Fukuoka, JP;
Shunichi Kurohmaru, Fukuoka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A bus switch is connected among an input buffer memory, a data memory, and an encoding unit, to select between a first bus connection of the input buffer memory and the data memory and a second bus connection of the data memory and the encoding unit. A data transfer control unit controls the bus switch to select the first bus connection in response to a data request signal from the encoding unit, controls the process of reading from the input buffer memory and the process of writing into the data memory, controls the bus switch to select the second bus connection upon completion of the transfer of one unit of image data, and sends a transfer completion signal in order of causing the encoding unit to start performing encoding processing. This makes it possible to transfer image data from the input buffer memory to the data memory at high speed.