ClassID:

220918

H03H15/023 - CPC Classification

Classification description:

Transversal filters using analogue shift registers with parallel-input configuration

Recent Application in this class:
#1
20210384892
2021-12-09

PARALLEL IMPLEMENTATIONS OF FRAME FILTERS WITH RECURSIVE TRANSFER FUNCTIONS

#2
20170170810
2017-06-15

Charge sharing filter

#3
20170077905
2017-03-16

Method of operating a finite impulse response filter

#4
20170054469
2017-02-23

Quarter wavelength unit delay and complex weighting coefficient continuous-time filters

#5
20170012655
2017-01-12

Receiver, communication unit, and method for down-converting a radio frequency signal

#6
20170012607
2017-01-12

Discrete time filter, communication unit, and method for resonant charge transfer

#7
20160380799
2016-12-29

Method and apparatus for tuning finite impulse response filter in in-band full duplex transceiver

#8
20140280415
2014-09-18

Feed-forward linearization without phase shifters

#9
20140091848
2014-04-03

Direct sampling circuit and receiver

#10
20140002165
2014-01-02

Charge-domain filter and method thereof and clock generator

#11
20130254253
2013-09-26

Buffer-less rotating coefficient filter

#12
20130154725
2013-06-20

Charge domain filter and method thereof

#13
20130120033
2013-05-16

Charge-domain filter and method thereof

#14
20130036147
2013-02-07

INFINITE IMPULSE RESPONSE (IIR) FILTER AND FILTERING METHOD

#15
20120218053
2012-08-30

Passive discrete time analog filter

#16
20110248768
2011-10-13

Charge domain filter with controllable transfer functions and transfer function control methods thereof

#17
20110199122
2011-08-18

Direct sampling circuit and receiver

#18
20110183639
2011-07-28

Sampling circuit and receiver using same

#19
20110170640
2011-07-14

Sampling circuit and receiver

#20
20110121893
2011-05-26

Charge domain filter

#21
20110040818
2011-02-17

Discrete time lowpass filter

#22
20100316174
2010-12-16

Discrete time filter and receiver including the same

#23
20100289533
2010-11-18

Voltage current converter, differentiation circuit, integration circuit, and filter circuit using the converter, and voltage current conversion method

#24
20100198898
2010-08-05

Passive switched-capacitor filters conforming to power constraint

#25
20090327793
2009-12-31

FINITE IMPULSE RESPONSE (FIR) FILTER WITHOUT DECIMATION

#26
20090327385
2009-12-31

Filter structure and method for filtering an input signal

#27
20090322418
2009-12-31

Discrete time multi-rate analog filter

#28
20090160577
2009-06-25

Charge sampling filter circuit and charge sampling method

#29
20090021297
2009-01-22

Signal processing apparatus, filter apparatus, signal processing method and filtering method

#30
20090021296
2009-01-22

Sampling filter and radio communication apparatus

#31
20090009155
2009-01-08

Discrete time direct sampling circuit and receiver

#32
20080299937
2008-12-04

Sampling filter

#33
20050094722
2005-05-05

Analog adaptive FIR filter having independent coefficient sets for each filter tap