Title: Transmitter for frequency shift keyed modulation

Abstract: A transmitter for communicating binary data by minimum shift keying (MSK) wherein control of the radiated spectrum of the transmitted signal is achieved by controlling the rate of switching between mark and space frequency signals such that the MSK switch acts as an equivalent of a low pass filter.

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Inventors: Mathwich, Howard Robert (Cherry Hill, NJ, US)

Application Number: 485519
Filing Date: 1974-07-03
Publication_date: 1976-02-10
Assignee: RCA Corporation (New York, NY)
Primary Class(es): 375/305
Other Classes:
US Patent Ref:

3205441	Sep, 1965	Likel	325/163.
3582782	Jun, 1971	Danielson	325/30.
3701053	Oct, 1972	DERubinat	325/163.
3731233	May, 1973	Hutchinson	178/66.

Other Refs:
Primary Examiner: Libman, George H.
Assistant Examiner:
Attorney: Norton; Edward J., Lazar; Joseph D., Lechter; Michael A.