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:
Nov. 04, 2003

Filed:

Jul. 31, 2002
Applicant:
Inventor:

Johnathan T. Edmonds, Cary, NC (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03M 1/12 ;
U.S. Cl.
CPC ...
H03M 1/12 ;
Abstract

A tunable analog-to-digital converter which generates samples having M-bits for use with an operating circuit. The operating circuit generates a first enable signal to instruct the analog-to-digital converter to turn on. Additionally, a sensor generates an analog signal in response to a condition. The tunable analog-to-digital converter includes a primary analog-to-digital converter which receives the analog signal and converts the analog signal to a primary digital signal upon receipt of the first enable signal. The tunable analog-to-digital converter also includes a comparator and a secondary analog-to-digital converter. The comparator compares the value of the primary digital signal to a predetermined value and generates a second enable signal depending on the value of the primary digital signal and the predetermined value. The secondary analog-to-digital converter receives the analog signal and converts the analog signal to a secondary digital signal upon receipt of the second enable signal.


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