H03J5/00 - CPC Classification Index

ClassID:

221185 ⎘

H03J5/00 - CPC Classification

Classification description:

Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner

Sub-classes:

H03J5/02 » with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings 13
H03J5/24 » with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection, for television channel selection 17

Recent Application in this class:

20190260359

2019-08-22

TUNER AND RECTIFIER APPARATUS FOR WIRELESS POWER TRANSFER RECEIVER

20180234024

2018-08-16

Variable resonant power converter with tunable inductor

20180026580

2018-01-25

Switched capacitor circuit structure with method of controlling source-drain resistance across same

20160049967

2016-02-18

RF transmitter for electrically short antenna

20140077904

2014-03-20

Apparatus and method for tuning the frequency of a bandpass filter to an offset frequency around a carrier frequency

20140038535

2014-02-06

Dynamic tuning in dense arrays of electrically small elements

20130309980

2013-11-21

Method for sensing and calibrating antenna tuner device performance in cellular handset

20130137387

2013-05-30

RF transmitter for electrically short antenna

20120019731

2012-01-26

Tuner module and receiving device

#10

20080036547

2008-02-14

Voltage controlled oscillator, and PLL circuit and wireless communication apparatus using the same

#11

20060111063

2006-05-25

Tuning method and apparatus for reducing interference between adjacent channels