Frequency converter and radio frequency tuner

Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion

Reexamination Certificate

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Details

C455S318000, C455S323000, C455S196100, C455S302000, C348S731000, C386S349000, C386S349000

Reexamination Certificate

active

06901248

ABSTRACT:
A single conversion frequency converter comprises an image reject mixer and a local oscillator. The local oscillator comprises a variable frequency oscillator and a variable divider. The variable divider supplies to the mixer a local oscillator signal whose frequency is a sub-multiple of the frequency of the variable frequency oscillator.

REFERENCES:
patent: 3959737 (1976-05-01), Tanis
patent: 3975898 (1976-08-01), Nishimura
patent: 4169385 (1979-10-01), Kellogg et al.
patent: 4422052 (1983-12-01), Yorkanis et al.
patent: 4792987 (1988-12-01), Tumeo
patent: 5060297 (1991-10-01), Ma et al.
patent: 5192999 (1993-03-01), Graczyk et al.
patent: 5999802 (1999-12-01), Aschwanden
patent: 6014386 (2000-01-01), Abraham
patent: 6091780 (2000-07-01), Sointula
patent: 6163684 (2000-12-01), Birleson
patent: 6169569 (2001-01-01), Widmer et al.
patent: 6307599 (2001-10-01), Komatsu
patent: 6519305 (2003-02-01), Roth et al.

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