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:
Jan. 31, 2006

Filed:

Feb. 11, 2004
Applicants:

Dipankar Bhattacharya, Macungie, PA (US);

John Christopher Kriz, Palmerton, PA (US);

Joseph E. Simko, Slatington, PA (US);

Inventors:

Dipankar Bhattacharya, Macungie, PA (US);

John Christopher Kriz, Palmerton, PA (US);

Joseph E. Simko, Slatington, PA (US);

Assignee:

Agere Systems Inc., Allentown, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 19/26 (2006.01); G01R 19/257 (2006.01);
U.S. Cl.
CPC ...
Abstract

A circuit configurable for indicating a voltage level of an input signal applied to the circuit includes at least one transistor having a first terminal connected to a first voltage supply, a second terminal configured for receiving the input signal, and a third terminal operatively coupled to an output of the circuit. The circuit further includes a passive load connected between the third terminal of the transistor and a second voltage supply. The circuit is configured to generate an output signal at the output of the circuit. The output signal being at a first value indicates that the input signal is substantially at a first voltage level, and the output signal being at a second value indicates that the input signal is substantially at a second voltage level.


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