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. 15, 2009
Filed:
Mar. 08, 2005
Yukinari Shibata, Sapporo, JP;
Tomonaga Hasegawa, Sapporo, JP;
Yukinari Shibata, Sapporo, JP;
Tomonaga Hasegawa, Sapporo, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A data transfer control device includes: an encoder circuit which performs encoding data and generation of a special code; a parallel/serial conversion circuit which converts parallel data from the encoder circuit to serial data; and a transmitter circuit which receives the serial data and transmits the special code and the data through the serial signal line. The transmitter circuit outputs an idle signal, logical level of which is continuously fixed at a first logical level in units of a given number of bits or more to the serial signal line as a signal indicating an idle state. The encoder circuit suspends operation after an indication that there is no transmission data by a transmission data valid/invalid signal from an upper layer circuit.