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.

Date of Patent:
Dec. 04, 2012

Filed:

Jul. 07, 2009
Applicants:

Jun Ho Kim, Daejeon-si, KR;

Young Soo Ryu, Goyang-si, KR;

Ju Pyo Hong, Daejeon-si, KR;

Jung Hwan Choi, Daejeon-si, KR;

Inventors:

Jun Ho Kim, Daejeon-si, KR;

Young Soo Ryu, Goyang-si, KR;

Ju Pyo Hong, Daejeon-si, KR;

Jung Hwan Choi, Daejeon-si, KR;

Assignee:

Silicon Works Co., Ltd., Daejeon-Si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/094 (2006.01); H03K 19/0175 (2006.01);
U.S. Cl.
CPC ...
Abstract

Differential current driving type transmitter and receiver, and an interface system having the transmitter and receiver. The transmitter includes a current source, a current direction selecting block, and a balancing switch block. The current source sources currents to a pair of transmission lines or sinks currents flowing through the pair of transmission lines. The current direction selecting block transfers a current flowing from the current source to one transmission line of the pair of transmission lines and a current flowing through the other transmission line of the pair of transmission lines to the current source. The balancing switch block initializes the pair of transmission lines to a balanced state.


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