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:
Jan. 22, 1991
Filed:
Sep. 19, 1989
Applicant:
Inventors:
Yoshitaka Fukuma, Nara, JP;
Taiji Iizuka, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379 98 ; 379 93 ; 379 97 ; 379442 ;
Abstract
A data transmission processing machine interposed between a host computer and a telephone line comprises a telephone circuit, a modem, a keyboard, and a mode selection switch. Responsive to a mode selected by the mode selection switch, the keyboard is operated either as a dial for the telephone or as a data entry keyboard for the modem.
Fukuma, Yoshitaka. (1991). Data transmission processing machine (U.S. Patent No. 4987588). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4987588
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile