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:
Dec. 15, 1998
Filed:
May. 31, 1996
Tatsuya Satou, Nagoya, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
In a facsimile/voice phone combined device of the type having a line interface circuit that includes a transformer for separating an electrical coupling between a telephone line and the combined device, the operator can push dial buttons while hearing the DMF oscillation sound from the speaker. When a dial button provided on a keyboard of a facsimile section is pushed, the first change-over switch connects the output terminal of a modem in the facsimile section to the line interface circuit, and the second change-over switch connects the speaker of a handset to the line interface circuit so that the DTMF signal from the modem is applied not only to the telephone line through the line interface circuit but also to the speaker.