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:
Feb. 01, 2000
Filed:
Dec. 02, 1997
Munehiro Yoshikawa, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
In a telephone apparatus, a modem device, a computer apparatus and a communication terminal device, the connection to different kinds of communication networks is realized with a simple structure. A data input/output device for converting a received analog signal into reception digital data to be supplied to a computer apparatus and for converting transmission digital data which is sent from the computer apparatus into an analog signal to be transmitted, a sound input/output device for inputting and outputting sound based on an output sound signal and an input sound signal, and a connection switching device for connecting the telephone circuit to the sound input/output device in the case of connecting to another telephone apparatus and, in the case of connecting to another computer apparatus, for connecting the computer apparatus to the sound input/output device are provided, and in addition, an output sound signal extracted by the computer from the reception digital data is outputted from the sound input/output device and an inputted input sound signal is converted into transmission digital data by the computer apparatus, so that sound can be inputted and outputted via a common sound input/output device in the case of connecting to another telephone apparatus or another computer apparatus.