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. 23, 2009
Filed:
May. 14, 2007
Applicants:
Hong-yi Huang, Taipei, TW;
Ruei-iun Pu, Taipei County, TW;
Yuan-hua Chu, Hsinchu County, TW;
Inventors:
Assignee:
Industrial Technology Research Institute, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/0185 (2006.01); H03K 19/094 (2006.01);
U.S. Cl.
CPC ...
Abstract
A differential bidirectional transceiver is provided. The differential bidirectional transceiver includes a first current transmitter, a second current transmitter and a receiver. The first current transmitter and the second current transmitter are coupled to a first interconnection and a second interconnection, respectively. Each of the current transmitters includes two current sources and two switches. The receiver includes an input circuit consisting of four differential pairs, a current summation circuit and a buffer.