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:
May. 29, 2007
Filed:
Sep. 13, 1999
Peter J. M. Sijbers, Eindhoven, NL;
Franciscus J. M. Thus, Eindhoven, NL;
Laurens C. Van Leeuwen, Eindhoven, NL;
Peter J. M. Sijbers, Eindhoven, NL;
Franciscus J. M. Thus, Eindhoven, NL;
Laurens C. Van Leeuwen, Eindhoven, NL;
Philips Electronics North America Corp., New York, NY (US);
Abstract
A description is given of a communication set for connection to a communication line such as a telephone line, which communication set includes means for detecting set functions such as ringing signal detection, and a rectifier circuit which is connected to a common output which is coupled to a scanning device included in the set function detection means, which scanning device detects the line conditions. A large number of line conditions may be detected with a minimum of components required, among which an analog/digital converter for which only a single input pin on a chip is necessary.