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:
Nov. 14, 2006
Filed:
Jan. 29, 2003
Rolf Friedrich Philipp Becker, Zurich, CH;
Rolf Friedrich Philipp Becker, Zurich, CH;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
An input stage includes a signal input (IN) for receiving an input signal s(t) and a digital input stage () designed for operation at a supply voltage (VDD). The input stage () includes CMOS transistors, which are sensitive to voltages across transistor nodes going beyond a voltage limit (V) and an input (IINV). Voltage limiting circuitry (B) is arranged between the signal input (IN) and the input (IINV). The voltage limiting circuitry (B) includes an input switch (ns) controllable by the state of the input signal s(t), and limit voltages at the input (IINV) to the supply voltage (VDD). In addition, over-voltage protection (A) is provided between the signal input (IN) and the supply voltage (VDD). The circuitry for over-voltage protection (A) includes at least one active circuit element arranged so as to mimic part of a zener function.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile