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. 26, 2016
Filed:
Jan. 17, 2014
Apple Inc., Cupertino, CA (US);
Ajay Kumar Bhatia, Saratoga, CA (US);
Amrinder S Barn, San Jose, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
A device for comparing voltage levels of a pair of input signals is presented. The device may include a pre-amp circuit and a differential amplifier. The pre-amp circuit may be configured to receive a first input signal and a second input signal, adjust a voltage level of each of the pair of input signals, and assert a control signal after a pre-determined period of time from the assertion of an enable signal. The differential amplifier may be configured to amplify a voltage difference between the first input signal and the second input signal dependent upon the adjusted voltage level of the pair of input signals in response to the assertion of the control signal.