H03J3/26 - CPC Classification Index

ClassID:

221181 ⎘

H03J3/26 - CPC Classification

Classification description:

Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning the circuits being coupled so as to form a bandpass filter

Recent Application in this class:

20140128015

2014-05-08

Direct Digital Conversion Tuner

20110280297

2011-11-17

Direct digital conversion tuner

20110187448

2011-08-04

Wideband analog bandpass filter

20090278615

2009-11-12

VOLTAGE CONTROLLED OSCILLATOR INCLUDING INTER-TERMINAL CONNECTION AND TRAP CIRCUIT

20090181629

2009-07-16

Direct digital conversion tuner and method for using same

20090167467

2009-07-02

Double-tuning circuit of television tuner

20080129428

2008-06-05

Variable tuning circuit using variable capacitance diode and television tuner

20070052865

2007-03-08

Tuning circuit preventing a deterioration of Q value

20060246867

2006-11-02

Single conversion tuner

#10

20050157818

2005-07-21

Direct digital conversion tuner and method for using same

#11

20050101274

2005-05-12

Printed circuit board configurable television tuner