Radio frequency transmitter having switched mode power supply

Details Radio frequency transmitter having switched mode power supply Radio frequency transmitter having switched mode power supply

1997-10-17

1998-11-03

Holloway, III, Edwin C.

Communications: electrical

Continuously variable indicating

With meter reading

341176, H04Q 700

Patent

active

058315489

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.

REFERENCES:
patent: 4814770 (1989-03-01), Reger
patent: 4890108 (1989-12-01), Drori et al.
patent: 4904993 (1990-02-01), Sato
patent: 5383044 (1995-01-01), Borchardt et al.
patent: 5420536 (1995-05-01), Faulkner et al.
patent: 5519711 (1996-05-01), Sointula

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