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:
Mar. 26, 1996
Filed:
Nov. 10, 1994
Wayne Gilbert, Honolulu, HI (US);
Nobuaki Yokoyama, Tokyo, JP;
General Research of Electronics, Inc., Tokyo, JP;
Abstract
A telephone-line dedicating apparatus which is connected between an external telephone-line and a specified telephone-line utilization apparatus such as a telephone-set, facsimile machine or the like and which upon energization causes one or more other telephone-line utilization apparatus to be unable to function connected to said external telephone-line is disclosed. Specially, when said specified telephone-line utilization apparatus is a facsimile machine, any influence on said facsimile machine which is in use, due to noises from the other equipments connected to the same external telephone-line can be prevented. The telephone-line dedicating apparatus comprises: impedance insertion means for inserting impedance means across said external telephone-line to decrease the telephone-line DC voltage level, in response to the operative condition of said specified telephone-line utilization apparatus; and operating-current path setting means including a DC power supply and establishing an operating-current path from said DC power supply to said specified telephone-line utilization apparatus through said impedance means when said impedance means has been inserted across said external telephonel-ine.