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. 11, 1977
Filed:
Nov. 10, 1975
Applicant:
Inventor:
Gardner D Jones, Jr, Raleigh, NC (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03C / ; H04L / ;
U.S. Cl.
CPC ...
332-1 ; 178 / ; 325163 ; 332 / ; 332 / ; 332 / ; 332 21 ; 332 22 ;
Abstract
A frequency shift keyed (FSK) modulator capable of substantially simultaneously modulating a plurality of binary encoded data signals at different baud rates and modulation frequencies for substantially simultaneous transmission over a plurality of communication lines and in which the modulated signals are of narrow bandwidth thus requiring the same simple RC filter for all lines regardless of the baud rates or signalling frequencies used.
Jones, Jr, Gardner. (1977). Multi-line, multi-mode modulator using bandwidth reduction for digital (U.S. Patent No. 4003001). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4003001
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile