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, 1994
Filed:
Mar. 22, 1993
Takehiro Yoshida, Tokyo, JP;
Kenzo Sakakibara, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A communication system of this invention is constituted by a controller which accommodates a plurality of extensions connected to an office line and telephones, and includes a facsimile unit for performing facsimile communication with another communication apparatus through the office line, and a plurality of telephones connected to the extensions. The controller can inform an operation state during facsimile communication to the connecting telephone. The operation state of the facsimile unit can be recognized at the telephone. Information received by the facsimile unit can be confirmed at the telephone, and some data received by the facsimile unit can be controlled by the telephone. A registration result of an index number can be commonly used by the telephone and the facsimile unit.