US2002070878A1PendingUtilityA1

Radio frequency transmitter having switched mode power supply

43
Assignee: CHAMBERLAIN GROUP INCPriority: Jun 5, 1995Filed: Oct 4, 2001Published: Jun 13, 2002
Est. expiryJun 5, 2015(expired)· nominal 20-yr term from priority
Inventors:James J. Fitzgibbon
H04B 1/1607H04B 1/04
43
PatentIndex Score
0
Cited by
0
References
0
Claims

Abstract

A hand-held radio frequency transmitter for use in generating a coded radio frequency transmission has a switched mode power supply energizable by a battery. A radio frequency oscillator is driven by the switched mode supply. A modulator controls operation of the oscillator which produces a coded radio frequency signal.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A hand-held radio frequency transmitter for use in generating a coded radio frequency transmission, comprising: 
 a switched mode power supply;    an oscillator coupled to be driven by the switch mode power supply; and    a modulator for controlling operation of the oscillator to cause the oscillator to be modulated by coded signals.

Join the waitlist — get patent alerts

Track US2002070878A1 — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.