H03J1/0033 - CPC Classification Index

ClassID:

221136 ⎘

H03J1/0033 - CPC Classification

Classification description:

Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for voltage synthesis with a D/A converter

Recent Application in this class:

20220376671

2022-11-24

Fast Frequency Switching in a Variable RF Filter

20180006606

2018-01-04

Radio frequency signal synthesizer circuit and method for generating a radio frequency signal

20120135699

2012-05-31

SUPERHETERODYNE RECEIVER APPARATUS, SUPERHETERODYNE RECEIVING METHOD AND SEMICONDUCTOR INTEGRATED CIRCUIT FOR SUPERHETERODYNE RECEIVER APPARATUS

20070021083

2007-01-25

Semiconductor device for a tuner and diversity receiver

20060262884

2006-11-23

Apparatus and method for GPS-based digital compensation of radio frequencies

20050122243

2005-06-09

Semiconductor integrated circuit for a radio apparatus and radio communication apparatus

20050083154

2005-04-21

Receiver