H03B21/04 - CPC Classification Index

ClassID:

218727 ⎘

H03B21/04 - CPC Classification

Classification description:

Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies using several similar stages

Recent Application in this class:

20210367606

2021-11-25

Apparatus and method for frequency multiplication

20130169342

2013-07-04

Device and method for removing harmonic components

20130033330

2013-02-07

Frequency synthesis and noise reduction

20060183455

2006-08-17

Frequency synthesizer for mixing reference frequencies