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:
Apr. 27, 2010
Filed:
Dec. 28, 2007
Applicants:
Chao-chi Yang, Hsin-Chu, TW;
Yao-ren Fan, Chiayi County, TW;
Inventors:
Chao-Chi Yang, Hsin-Chu, TW;
Yao-Ren Fan, Chiayi County, TW;
Assignee:
Elan Microelectronics Corporation, Science Industrial Park, HsinChu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a signal converting apparatus with built-in self test, including a first signal converting circuit, a second signal converting circuit, a comparing apparatus, a control logic apparatus and a voltage divider. The first and the second signal converting circuit take a first and a second reference voltage and are respectively controlled by a first and second set of control signals from the control logic apparatus for the comparing apparatus to generate a comparing result.