ClassID:

221440

H03K4/50 - CPC Classification

Classification description:

Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor

Sub-classes:
Recent Application in this class:
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20230128113
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Combining voltage ramps to create linear voltage ramp

#4
20220166415
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Oscillator

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20220060180
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Digitally calibrated sawtooth generator for PWM based buck converters

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20210167763
2021-06-03

Combining voltage ramps to create linear voltage ramp

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20210099162
2021-04-01

Circuit and method for cyclic activation of an electronic function

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20200358428
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#9
20200328734
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Combining voltage ramps to create linear voltage ramp

#10
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Adaptive ramp signal generation

#11
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DC-DC converter with a pulse-skipping mode (PSM) transitions controller

#12
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#13
20190393783
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Constant-frequency control method with fast transient

#14
20190379367
2019-12-12

Parameter-independent ramp signal generation

#15
20190326891
2019-10-24

Switch mode power supply with ramp generator for wide frequency range pulse width modulator or the like

#16
20190319614
2019-10-17

Low frequency oscillator with ultra-low short circuit current

#17
20190199330
2019-06-27

Precision oscillators that use imprecise components

#18
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#19
20190190503
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#20
20190158133
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#21
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Method, circuit, and apparatus to increase robustness to inrush current in power switch devices

#22
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CURRENT DETECTION CIRCUIT

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2018-05-31

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20180069531
2018-03-08

Low temperature coefficient clock signal generator

#28
20180013439
2018-01-11

Method to perform convolutions between arbitrary vectors using clusters of weakly coupled oscillators

#29
20170353176
2017-12-07

RELAXATION OSCILLATOR

#30
20170338807
2017-11-23

Ramp generator for wide frequency range pulse width modulator controller or the like

#31
20170237914
2017-08-17

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#32
20170229079
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#33
20170222602
2017-08-03

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#34
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2017-02-16

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#35
20170033741
2017-02-02

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#36
20160308257
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20160301398
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#38
20160079969
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Random sampler adapted to one-dimension slow-varying signal

#39
20160013753
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#40
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RC oscillator based on delay-free comparator

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Relaxation oscillator

#43
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Ramp signal generator and CMOS image sensor having the same

#44
20150214934
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Relaxation oscillator with low drift and native offset cancellation

#45
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2015-07-16

Triangular wave generating circuit to provide clock synchronization

#46
20150061780
2015-03-05

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#47
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2015-01-22

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#48
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Runtime compensated oscillator

#49
20130087688
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#50
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2012-12-13

Runtime compensated oscillator

#51
20110290987
2011-12-01

Ambient light sensing module with signal generation function

#52
20110080191
2011-04-07

System and method for clock-synchronized triangular waveform generation

#53
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2010-09-16

Buck-boost power converter with feed-forward technique for achieving fast line response

#54
20100033215
2010-02-11

Method and apparatus for constant on-time switch mode converters

#55
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2010-01-14

Pulse generator

#56
20090315529
2009-12-24

Sawtooth wave generating circuit and switch mode power supply device having the same

#57
20090251178
2009-10-08

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#58
20090231003
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#59
20090167585
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20080218236
2008-09-11

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#61
20080174346
2008-07-24

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#62
20080143394
2008-06-19

Amplitude controlled sawtooth generator

#63
20080111591
2008-05-15

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#64
20080094114
2008-04-24

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20080007350
2008-01-10

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20060164277
2006-07-27

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#68
20060125673
2006-06-15

Ramp generators for imager analog-to-digital converters

#69
20050035795
2005-02-17

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20050024951
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#71
16660100
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Direct driver voltage to ramp signal generation

#72
16406256
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#73
15249849
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14814277
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13727118
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Stair-step voltage ramp module including programmable gain amplifier