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:
Jul. 02, 1996
Filed:
Oct. 14, 1994
Applicant:
Inventors:
Peruvemba S Balasubramanian, Chappaqua, NY (US);
Nathan J Lee, New City, NY (US);
Scott D Lekuch, New York, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
329311 ; 329361 ; 375320 ; 375343 ;
Abstract
Amplitude Shift Keying (ASK) modulation system and method with an ASK demodulator that is implemented with an analog-emulating digital bandpass filter. The bandpass filter also generates a carrier detect signal when it detects a carrier frequency that passes the filter pass band.