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. 24, 1988
Filed:
Mar. 07, 1986
Masayuki Makino, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A multi-frequency (MF) signal transmitting control apparatus and method for use in a cordless telephone system, according to which a dial signal discrimination code within a transmitted dial signal causes an audio circuit to be turned off for a sufficient length of time to enable all of a multi-frequency signal to be sent to an exchange. As a result of the audio circuit being turned off at this point, the amount of noise received by a listener during a conversation in which dialing buttons are accidentally pressed by the bearer of the device is reduced.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile