ClassID:

221619

H03K17/063 - page 3 - CPC Classification

Classification description:

Electronic switching or gating, i.e. not by contact-making and –breaking; Modifications for ensuring a fully conducting state in field-effect transistor switches

Recent Application in this class:
#601
20120194153
2012-08-02

CONSTANT VGS MOS SWITCH WITH CHARGE PUMP

#602
20120188674
2012-07-26

Load driving device

#603
20120182051
2012-07-19

Driving circuit for driving transistor based on control current

#604
20120176827
2012-07-12

Controller for secondary side control of a switch, power converter, and related synchronous rectification control method

#605
20120176162
2012-07-12

High-voltage gate driver that drives group III-N high electron mobility transistors

#606
20120169318
2012-07-05

LOAD DRIVING DEVICE

#607
20120161860
2012-06-28

Multi-level control for pass transistor gate voltage

#608
20120146705
2012-06-14

Control-voltage of pass-gate follows signal

#609
20120133397
2012-05-31

System and method for driving a switch

#610
20120126736
2012-05-24

Bootstrapped high-side driver control without static DC current for driving a motor bridge circuit

#611
20120108963
2012-05-03

Semiconductor device and ultrasonic diagnostic apparatus using the same

#612
20120106256
2012-05-03

Electronic circuit with a floating gate transistor and a method for deactivating a floating gate transistor temporarily

#613
20120106219
2012-05-03

Semiconductor device for wireless communication

#614
20120098597
2012-04-26

Switch for use in a programmable gain amplifier

#615
20120086062
2012-04-12

Switching power supply device and a semiconductor integrated circuit

#616
20120083075
2012-04-05

Method of forming a bi-directional transistor with by-pass path

#617
20120081172
2012-04-05

High Voltage Switch Suitable for Use in Flash Memory

#618
20120061722
2012-03-15

Control device of semiconductor device

#619
20120049938
2012-03-01

Radio frequency switch

#620
20120049931
2012-03-01

Bidirectional switch and switch circuit using the bidirectional switch

#621
20120032707
2012-02-09

Load driving device

#622
20120025927
2012-02-02

RF isolation switch circuit

#623
20120013391
2012-01-19

Adaptive bootstrap circuit for controlling CMOS switch(es)

#624
20120007636
2012-01-12

Analog switch for signal swinging between positive and negative voltages

#625
20110309874
2011-12-22

Semiconductor switching system

#626
20110279937
2011-11-17

Low on-resistance MOSFET implemented DC source by-pass or circuit breaker with related self-supplied controller circuit including fire or other risk DC output disabling means

#627
20110278955
2011-11-17

Low on-resistance MOSFET implemented, by-pass diode or circuit breaker and related self-powering and control circuit

#628
20110260776
2011-10-27

Semiconductor integrated circuit device

#629
20110260707
2011-10-27

Power semiconductor device including a bootstrap compensation circuit

#630
20110255203
2011-10-20

Charge pump switch power down protection

#631
20110254614
2011-10-20

System and method of transistor switch biasing in a high power semiconductor switch

#632
20110254018
2011-10-20

Semiconductor switching arrangement having a normally on and a normally off transistor

#633
20110235227
2011-09-29

Remote Power Controller with Parallel FETS

#634
20110221620
2011-09-15

Current steering DAC with switched cascode output current source/sink

#635
20110221481
2011-09-15

GATE DRIVE CIRCUIT

#636
20110210784
2011-09-01

RF switching device and method therefor

#637
20110210766
2011-09-01

Driving circuit with variable resistor for transistor

#638
20110204956
2011-08-25

Bootstrapped switch circuit

#639
20110127975
2011-06-02

Switching power supply device and semiconductor integrated circuit

#640
20110127573
2011-06-02

Bi-directional transistor with by-pass path and method therefor

#641
20110115544
2011-05-19

Bootstrapped switch circuit

#642
20110102956
2011-05-05

Load driving device

#643
20110101941
2011-05-05

Load driving device

#644
20110101935
2011-05-05

Power supply control apparatus

#645
20110095371
2011-04-28

Gate minimization threshold voltage of FET for synchronous rectification

#646
20110092179
2011-04-21

Switch circuit and method of switching radio frequency signals

#647
20110090022
2011-04-21

RF switch for an RF splitter

#648
20110080192
2011-04-07

Drive circuit for switching device

#649
20110074220
2011-03-31

Semiconductor device and radio communication device

#650
20110057633
2011-03-10

Load driving circuit

#651
20110050323
2011-03-03

SEMICONDUCTOR SWITCH

#652
20110034137
2011-02-10

Semiconductor integrated circuit device and radio frequency module

#653
20110032021
2011-02-10

T switch with high off state isolation

#654
20110018614
2011-01-27

Semiconductor switch

#655
20110006829
2011-01-13

Isolation circuit

#656
20110006232
2011-01-13

Low voltage drop closed loop unidirectional electronic valve

#657
20100321111
2010-12-23

Power amplifier

#658
20100321070
2010-12-23

Driving circuit to turn off switching element by voltage from voltage storage unit and converter including driving circuit

#659
20100308890
2010-12-09

Charge pump and control scheme

#660
20100295515
2010-11-25

Integrated PMOS transistor and Schottky diode and charging switch circuit employing the integrated device

#661
20100289560
2010-11-18

Systems and methods of bit stuffing pulse width modulation

#662
20100271117
2010-10-28

Voltage converter

#663
20100271079
2010-10-28

Power semiconductor device

#664
20100264887
2010-10-21

Booster device

#665
20100244946
2010-09-30

Semiconductor device and display device

#666
20100244559
2010-09-30

Rectifier circuit

#667
20100225379
2010-09-09

Analog switch

#668
20100225377
2010-09-09

SWITCH CIRCUIT

#669
20100214004
2010-08-26

Analog switch circuit for wide frequency band

#670
20100213506
2010-08-26

Component arrangement including a MOS transistor having a field electrode

#671
20100164600
2010-07-01

NOVEL CHARGE PUMP

#672
20100164597
2010-07-01

Bootstrap transistor circuit

#673
20100157639
2010-06-24

Inverter comprising normally conductive gate-controlled semiconductor switches

#674
20100156521
2010-06-24

Constant switch Vgs circuit for minimizing rflatness and improving audio performance

#675
20100148851
2010-06-17

Low voltage analog CMOS switch

#676
20100141331
2010-06-10

Method of forming a charge pump controller and structure therefor

#677
20100134181
2010-06-03

Circuit for switchably connecting an input node and an output node

#678
20100123478
2010-05-20

Level shift circuit

#679
20100117720
2010-05-13

Integrated circuit with a power transistor gate bias controlled by the leakage current

#680
20100117713
2010-05-13

Semiconductor integrated circuit and high frequency module with the same

#681
20100109751
2010-05-06

High-performance analog switch

#682
20100102857
2010-04-29

Switching circuit and driving circuit for transistor

#683
20100097121
2010-04-22

Method and arrangement for controlling semiconductor component

#684
20100091533
2010-04-15

Member for synchronous rectifier bridge, related synchronous rectifier bridge and use thereof

#685
20100073082
2010-03-25

Rectifier with less conduction loss than a diode

#686
20100066427
2010-03-18

Stepped delay control of integrated switches

#687
20100052648
2010-03-04

Drive circuit

#688
20100033227
2010-02-11

Analog switch controller

#689
20100002349
2010-01-07

By-pass diode structure for strings of series connected cells of a photovoltaic panel

#690
20090315595
2009-12-24

Output drive circuit

#691
20090315118
2009-12-24

Transmission gate with body effect compensation circuit

#692
20090309634
2009-12-17

Transistor gate driving circuit with power saving of power converter

#693
20090289692
2009-11-26

Nagative voltage switch

#694
20090267645
2009-10-29

Passgate structures for use in low-voltage applications

#695
20090267639
2009-10-29

Input cancellation circuit

#696
20090237164
2009-09-24

LOW LEAKAGE CURRENT AMPLIFIER

#697
20090231018
2009-09-17

Circuit arrangement and a method for galvanically separate triggering of a semiconductor switch

#698
20090230906
2009-09-17

MOS transistor control

#699
20090200874
2009-08-13

Semiconductor integrated circuit device

#700
20090195305
2009-08-06

Analog switch controller

#701
20090195232
2009-08-06

Radio-frequency switch circuit with separately controlled shunt switching device

#702
20090184746
2009-07-23

Low Voltage Drop Unidirectional Electronic Valve

#703
20090179620
2009-07-16

Switching power supply device and semiconductor integrated circuit

#704
20090179223
2009-07-16

Bi-directional transistor with by-pass path and method therefor

#705
20090174388
2009-07-09

Dual power switch with activation control and voltage regulator using same

#706
20090160499
2009-06-25

Semiconductor output circuit

#707
20090160498
2009-06-25

Semiconductor output circuit for controlling power supply to a load

#708
20090160495
2009-06-25

Low power differential signaling transmitter

#709
20090154041
2009-06-18

Load driving device

#710
20090153225
2009-06-18

Load driving device

#711
20090146724
2009-06-11

Switching circuit for millimeter waveband control circuit

#712
20090128217
2009-05-21

Switching circuit for switchably connecting an input node and an output node

#713
20090128106
2009-05-21

Power supply controller and semiconductor device

#714
20090117871
2009-05-07

Switch circuit and method of switching radio frequency signals

#715
20090108911
2009-04-30

ANALOG SWITCH

#716
20090096492
2009-04-16

Output Driver Equipped with a Sensing Resistor for Measuring the Current in the Output Driver

#717
20090079491
2009-03-26

Switching circuit having low threshold voltage

#718
20090073078
2009-03-19

Systems, methods and apparatuses for high power complementary metal oxide semiconductor (CMOS) antenna switches using body switching and external component in multi-stacking structure

#719
20090052216
2009-02-26

Level shift circuit and power supply device

#720
20090033408
2009-02-05

Voltage Pump Circuit with an Oxide Stress Control Mechanism for use in High-Voltage Applications in an Integrated Circuit

#721
20090033405
2009-02-05

Driver circuit and semiconductor device using the same

#722
20090002357
2009-01-01

Drive circuit, a display device provided with the same

#723
20090002055
2009-01-01

Semiconductor device

#724
20090002054
2009-01-01

Gate drive apparatus

#725
20080317154
2008-12-25

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND RADIO FREQUENCY MODULE

#726
20080315246
2008-12-25

TRANSISTOR SWITCH CIRCUIT AND SAMPLE-AND-HOLD CIRCUIT

#727
20080309400
2008-12-18

Switches with passive bootstrap of control signal

#728
20080303580
2008-12-11

Control circuit for a high-side semiconductor switch for switching a supply voltage

#729
20080278116
2008-11-13

Battery protective device and semiconductor integrated circuit device

#730
20080272823
2008-11-06

JFET Passgate Circuit and Method of Operation

#731
20080265320
2008-10-30

Component arrangement including a power semiconductor component having a drift control zone

#732
20080258808
2008-10-23

Circuit to optimize charging of bootstrap capacitor with bootstrap diode emulator

#733
20080253151
2008-10-16

Method and apparatus to reduce dynamic Rdson in a power switching circuit having a III-nitride device

#734
20080252388
2008-10-16

Oscillator and charge pump circuit using the same

#735
20080232017
2008-09-25

Overcurrent detecting circuit and semiconductor device

#736
20080218245
2008-09-11

Solid-state switch

#737
20080218243
2008-09-11

Semiconductor switching circuit with hysteresis

#738
20080211537
2008-09-04

Open drain output circuit

#739
20080197904
2008-08-21

Circuit Arrangement for Switching a Load

#740
20080186079
2008-08-07

Semiconductor switch

#741
20080179670
2008-07-31

COMPONENT ARRANGEMENT INCLUDING A MOS TRANSISTOR HAVING A FIELD ELECTRODE

#742
20080170345
2008-07-17

Power semiconductor device architecture for output transistor protection

#743
20080157744
2008-07-03

Voltage supply circuit, display device, electronic equipment, and voltage supply method

#744
20080150617
2008-06-26

Stress control mechanism for use in high-voltage applications in an integrated circuit

#745
20080150608
2008-06-26

Integrated semiconductor circuit

#746
20080143421
2008-06-19

Bidirectional switch and method for driving bidirectional switch

#747
20080136495
2008-06-12

Transistor switch

#748
20080111611
2008-05-15

CMOS power switching circuit usable in DC-DC converter

#749
20080100378
2008-05-01

Circuits and methods for controlling an on/off state of a switch

#750
20080094112
2008-04-24

Semiconductor integrated circuit controlling output impedance and slew rate

#751
20080088494
2008-04-17

Electronic circuit protecting against the effect of injection current and analog to digital conversion circuit

#752
20080088342
2008-04-17

Apparatus and methods for self-biasing differential signaling circuitry having multimode output configurations for low voltage applications

#753
20080079653
2008-04-03

Systems, methods, and apparatuses for complementary metal oxide semiconductor (CMOS) antenna switches using body switching in multistacking structure

#754
20080074814
2008-03-27

Circuit for selectively bypassing a capacitive element

#755
20080074176
2008-03-27

Semiconductor integrated

#756
20080048618
2008-02-28

Charge-pump biased battery protection circuit

#757
20080048500
2008-02-28

Switching device

#758
20080030255
2008-02-07

SWITCH CIRCUIT AND SWITCH DEVICE

#759
20080018358
2008-01-24

Circuits, switch assemblies, and methods for power management in an interface that maintains respective voltage differences between terminals of semiconductor devices in open and close switch states and over a range of voltages

#760
20080018311
2008-01-24

Level Shift Circuit And Switching Regulator Therewith

#761
20080013760
2008-01-17

Switch element driver circuit and semiconductor device

#762
20080012610
2008-01-17

Switching circuit and driving circuit for transistor

#763
20080007317
2008-01-10

Integrated circuit having a bootstrap charger

#764
20070296511
2007-12-27

DIGITAL ADJUSTMENT OF AN OSCILLATOR

#765
20070296468
2007-12-27

Electrical load drive device

#766
20070285149
2007-12-13

Switch circuit device, and wireless circuit device and sampling circuit device employing the same

#767
20070236283
2007-10-11

Circuit to optimize charging of bootstrap capacitor with bootstrap diode emulator

#768
20070216469
2007-09-20

Semiconductor circuit

#769
20070205431
2007-09-06

Bi-directional transistor with by-pass path and method therefor

#770
20070194832
2007-08-23

Method for reducing insertion loss and providing power down protection for MOSFET switches

#771
20070182459
2007-08-09

Transistor arrangement for rectifier and inverter

#772
20070177323
2007-08-02

High voltage switch using low voltage cmos transistors

#773
20070159229
2007-07-12

MOS switching circuit

#774
20070159150
2007-07-12

Switching power supply device and a semiconductor integrated circuit

#775
20070158778
2007-07-12

Device for implementing an inverter having a reduced size

#776
20070152729
2007-07-05

METHOD OF DRIVING A DUAL GATED MOSFET

#777
20070147099
2007-06-28

Electronic circuits utilizing normally-on junction field-effect transistor

#778
20070146953
2007-06-28

Switch circuits with the ability to control latch-up due to a parasitic element

#779
20070146046
2007-06-28

Electronic circuits utilizing normally-on junction field-effect transistor

#780
20070132501
2007-06-14

Method and apparatus for switching audio and data signals through a single terminal

#781
20070126492
2007-06-07

High power, high frequency switch circuits using strings of power transistors

#782
20070126482
2007-06-07

Highest supply selection circuit

#783
20070120579
2007-05-31

Integrated circuit device and electronic instrument

#784
20070120103
2007-05-31

Switch circuit and method of switching radio frequency signals

#785
20070103252
2007-05-10

Radio-frequency switching circuit and semiconductor device

#786
20070085592
2007-04-19

High-frequency switch circuit, semiconductor device and communication terminal apparatus

#787
20070069797
2007-03-29

Back gate biasing overshoot and undershoot protection circuitry

#788
20070069236
2007-03-29

Control circuit and method for driving a half-bridge circuit

#789
20070053227
2007-03-08

High-voltage switch with low output ripple for non-volatile floating-gate memories

#790
20070013432
2007-01-18

Semiconductor device and method of controlling the same

#791
20070008010
2007-01-11

High voltage integrated circuit driver with a high voltage PMOS bootstrap diode emulator

#792
20070008000
2007-01-11

Passgate structures for use in low-voltage applications

#793
20070001743
2007-01-04

Utilization of device types having different threshold voltages

#794
20060273778
2006-12-07

Low loss DC/DC converter including a multi-level controller that applies a monotonic sequence of voltage levels

#795
20060267666
2006-11-30

Semiconductor device for RF switching

#796
20060255852
2006-11-16

Open drain driver, and a switch comprising the open drain driver

#797
20060238947
2006-10-26

Circuit arrangement for driving an electrical circuit breaker at high voltage potential

#798
20060226887
2006-10-12

Bus switch circuit with back-gate control during power down

#799
20060226439
2006-10-12

Bi-directional transistor and method therefor

#800
20060220727
2006-10-05

ELECTRONIC SWITCH AND OPERATIONAL METHOD FOR TRANSISTOR

#801
20060214702
2006-09-28

High voltage switching circuit of nonvolatile memory device

#802
20060208787
2006-09-21

Analog switch with reduced parasitic bipolar transistor injection

#803
20060202879
2006-09-14

Analog-to-digital converter with input signal range greater than supply voltage and extended dynamic range

#804
20060202742
2006-09-14

Bootstrapping circuit capable of sampling inputs beyond supply voltage

#805
20060202737
2006-09-14

Method and circuit for driving a gate of a MOS transistor negative

#806
20060202736
2006-09-14

Bootstrapped switch for sampling inputs with a signal range greater than supply voltage

#807
20060202735
2006-09-14

Bootstrapped switch with an input dynamic range greater than supply voltage

#808
20060197586
2006-09-07

Accurate cascode bias networks

#809
20060194567
2006-08-31

Symmetrically and asymmetrically stacked transistor group RF switch

#810
20060186922
2006-08-24

Translator circuit and method therefor

#811
20060181830
2006-08-17

Power down circuit

#812
20060170457
2006-08-03

Configurable high/low side driver using a low-side FET pre-driver

#813
20060145723
2006-07-06

Voltage level conversion circuit

#814
20060132247
2006-06-22

Oscillator and charge pump circuit using the same

#815
20060132194
2006-06-22

Power MOSFET driver and method therefor

#816
20060132182
2006-06-22

Driver circuit, shift register, and liquid crystal driver circuit

#817
20060119451
2006-06-08

Switching circuits

#818
20060119414
2006-06-08

Gate drive circuit for semiconductor device

#819
20060103429
2006-05-18

Bootstrap circuit and driving method thereof

#820
20060103428
2006-05-18

Semiconductor integrated circuit

#821
20060087260
2006-04-27

Integrated circuit configuration for triggering power semiconductor switches

#822
20060076837
2006-04-13

Rectifier circuit

#823
20060066379
2006-03-30

Current loop drive module with dynamic compliance voltage

#824
20060066348
2006-03-30

Semiconductor integrated circuit device

#825
20060055446
2006-03-16

Electronic circuits utilizing normally-on junction field-effect transistor

#826
20060049865
2006-03-09

Low-voltage CMOS switch with novel clock boosting scheme

#827
20060049859
2006-03-09

Gate driver circuit

#828
20060049857
2006-03-09

Switch linearized track and hold circuit for switch linearization

#829
20060044046
2006-03-02

Gate drive circuit with negative offset

#830
20060044042
2006-03-02

High voltage switching circuit of a NAND type flash memory device

#831
20060044019
2006-03-02

Signal switch with reduced on resistance and undershoot protection

#832
20060043499
2006-03-02

Bi-directional double NMOS switch

#833
20060038584
2006-02-23

Semiconductor device

#834
20060038547
2006-02-23

Adaptive gate drive voltage circuit

#835
20060035614
2006-02-16

Multi-port multi-band RF switch

#836
20060034138
2006-02-16

Method and device for switching a semi-conductor circuit breaker

#837
20060034107
2006-02-16

Bipolar bootstrap top switch gate drive for half-bridge semiconductor power topologies

#838
20060022739
2006-02-02

High speed digital level shifter

#839
20060017466
2006-01-26

High voltage integrated circuit driver with a high voltage PMOS bootstrap diode emulator

#840
20060012401
2006-01-19

Diode circuit

#841
20060006851
2006-01-12

Power switching circuit with active clamp disconnect for load dump protection

#842
20060001457
2006-01-05

High current charge pump for intelligent power switch drive

#843
20060001084
2006-01-05

Power semiconductor devices

#844
20050275447
2005-12-15

One-pin automatic tuning of MOSFET resistors

#845
20050270065
2005-12-08

Coms buffer having higher and lower voltage operation

#846
20050264341
2005-12-01

Distortion reducing semiconductor switch

#847
20050258874
2005-11-24

Sampling switch

#848
20050258458
2005-11-24

JFET driver circuit and JFET driving method

#849
20050253642
2005-11-17

One way conductor

#850
20050248384
2005-11-10

Control circuit for semiconductor component

#851
20050243623
2005-11-03

Circuit arrangement for voltage regulation

#852
20050237046
2005-10-27

Method and apparatus including low loss DC/DC converter

#853
20050225374
2005-10-13

Self-oscillating full bridge driver IC

#854
20050219102
2005-10-06

Analog switch circuit and sample-and-hold circuit including the same

#855
20050218970
2005-10-06

Driver circuit

#856
20050218963
2005-10-06

Method of forming a self-gated transistor and structure therefor

#857
20050206437
2005-09-22

Pre-regulator with reverse current blocking

#858
20050206409
2005-09-22

Enhanced CMOS circuit to drive DC motors

#859
20050184792
2005-08-25

High voltage switch circuit for semiconductor device

#860
20050179506
2005-08-18

High frequency switch circuit

#861
20050179463
2005-08-18

Driving apparatus of H bridge circuit and protection method of the same

#862
20050174151
2005-08-11

Output driver equipped with a sensing resistor for measuring the current in the output driver

#863
20050168264
2005-08-04

Integrated circuit including an overvoltage protection circuit

#864
20050168206
2005-08-04

Bootstrap capacitor refresh circuit

#865
20050146372
2005-07-07

Method of driving a dual gated MOSFET

#866
20050140397
2005-06-30

Method and circuit for controlling a resistance of a field effect transistor configured to conduct a signal with a varying voltage

#867
20050127979
2005-06-16

Active ORing controller for redundant power systems

#868
20050127976
2005-06-16

Switched level-shift circuit

#869
20050127859
2005-06-16

32V H-bridge driver with CMOS circuits

#870
20050122754
2005-06-09

Half-bridge driver and power conversion system with such driver

#871
20050122157
2005-06-09

High voltage switch circuit

#872
20050116764
2005-06-02

Driving circuit for field effect transistor

#873
20050116748
2005-06-02

Driver circuit for controlling a resonant converter

#874
20050110558
2005-05-26

Apparatus and method for adjusting the substrate impedance of a MOS transistor

#875
20050110556
2005-05-26

Bootstrap driver

#876
20050102128
2005-05-12

Bootstrap diode emulator with dynamic back-gate biasing

#877
20050088263
2005-04-28

High performance switch for switched inductor tuned RF circuit

#878
20050088227
2005-04-28

Driving circuit and semiconductor device

#879
20050077951
2005-04-14

High voltage switch circuit of semiconductor device

#880
20050077922
2005-04-14

Resonant logic and the implementation of low power digital integrated circuits

#881
20050077916
2005-04-14

Programming circuit and method having extended duration programming capabilities

#882
20050057283
2005-03-17

Sample and hold circuit based on an ultra linear switch

#883
20050057240
2005-03-17

Control device

#884
20050057239
2005-03-17

Guaranteed bootstrap hold-up circuit for buck high side switch

#885
20050046462
2005-03-03

CMOS analog switch

#886
20050046280
2005-03-03

Electronic control apparatus for controlling driving of load by MOS FETs

#887
20050041343
2005-02-24

Voltage limiting semiconductor pass gate circuit

#888
20050037725
2005-02-17

Shaping the drive signal of a mixing device

#889
20050035811
2005-02-17

Apparatus for controlling a boosted voltage and method of controlling a boosted voltage

#890
20050035809
2005-02-17

High side switching circuit

#891
20050035745
2005-02-17

Output circuit

#892
20050030089
2005-02-10

Controlled switch of the switched capacitance type

#893
20050030085
2005-02-10

Method for actuating a transistor

#894
20050024122
2005-02-03

Electronic switch

#895
20050017789
2005-01-27

Switch circuit and method of switching radio frequency signals

#896
20050017768
2005-01-27

High side power switch with charge pump and bootstrap capacitor

#897
20050007178
2005-01-13

Low-power, low-area power headswitch

#898
18371777
2025-08-05

Transient voltage surge protection circuit

#899
18303771
2024-09-10

Low-current run plug enhanced safety circuit for underwater systems

#900
18179671
2023-11-14

Anti-backflow output switch