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:
Oct. 19, 2021

Filed:

Mar. 09, 2020
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventors:

Prasanna Parthasarathy, Frisco, TX (US);

Michael L Mitchell, Ennis, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G07C 9/00 (2020.01); G06F 21/62 (2013.01); G07C 9/29 (2020.01); G07C 9/25 (2020.01);
U.S. Cl.
CPC ...
G07C 9/29 (2020.01); G06F 21/6245 (2013.01); G07C 9/253 (2020.01); G06F 2221/2121 (2013.01); G06F 2221/2137 (2013.01);
Abstract

A system for limiting access to confidential information including storage circuitry for storing the confidential information. An access enabling circuit allows access to the storage circuitry in response to a first level of an enabling signal. A processor generates the enabling signal for a predetermined amount of time in response to sensing of a change of a predetermined value that is produced in response to an act by a person responsible for the confidentiality of the confidential information. The enabling signal assumes a second level after the predetermined amount of time to block access to the storage circuitry.


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Parthasarathy, Prasanna. (2021). Circuit and method for using capacitive touch to further secure information in rfid documents (U.S. Patent No. 11151826). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11151826

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