Patents-Review.com
ClassID:

228048 ⎘

H04M19/008 - CPC Classification

Classification description:

Current supply arrangements for telephone systems; Current supply source at the exchanger providing current to substations Using DC/DC converters

Recent Application in this class:
#1
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SYSTEMS AND METHODS FOR PROVIDING VOLTAGE BOOSTING TO A TIME DOMAIN DUPLEXING RADIO

 #2
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2023-08-10

PROGRAMMABLE POWER SUPPLIES FOR CELLULAR BASE STATIONS AND RELATED METHODS OF REDUCING POWER LOSS IN CELLULAR SYSTEMS

 #3
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2023-07-27

PROGRAMMABLE POWER SUPPLIES FOR CELLULAR BASE STATIONS AND RELATED METHODS OF REDUCING POWER LOSS IN CELLULAR SYSTEMS

 #4
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2022-10-06

PROGRAMMABLE POWER SUPPLIES FOR CELLULAR BASE STATIONS AND RELATED METHODS OF REDUCING POWER LOSS IN CELLULAR SYSTEM

 #5
20220317715
2022-10-06

PROGRAMMABLE POWER SUPPLIES FOR CELLULAR BASE STATIONS AND RELATED METHODS OF REDUCING POWER LOSS IN CELLULAR SYSTEMS

 #6
20210103309
2021-04-08

Programmable power supplies for cellular base stations and related methods of reducing power loss in cellular systems

 #7
20210072779
2021-03-11

Programmable power supplies for cellular base stations and related methods of reducing power loss in cellular systems

 #8
20200379493
2020-12-03

Programmable power supplies for cellular base stations and related methods of reducing power loss in cellular systems

 #9
20200348709
2020-11-05

Programmable power supplies for cellular base stations and related methods of reducing power loss in cellular systems

 #10
20200348708
2020-11-05

Programmable power supplies for cellular base stations and related methods of reducing power loss in cellular systems

 #11
20190235553
2019-08-01

Programmable power supplies for cellular base stations and related methods of reducing power loss in cellular systems

 #12
20190235552
2019-08-01

Apparatuses and related methods for reducing power loss

 #13
20190230425
2019-07-25

Microphone device

 #14
20190064863
2019-02-28

Programmable power supplies for cellular base stations and related methods of reducing power loss in cellular systems

 #15
20180213091
2018-07-26

Power transmission system for wireless communication systems

 #16
20180176861
2018-06-21

Programmable power supplies for cellular base stations and related methods of reducing power loss in cellular systems

 #17
20180173263
2018-06-21

Programmable power supplies for cellular base stations and related methods of reducing power loss in cellular systems

 #18
20180164355
2018-06-14

Methods and equipment for reducing power loss in cellular systems

 #19
20170230906
2017-08-10

Programmable power supplies for cellular base stations and related methods of reducing power loss in cellular systems

 #20
20160342168
2016-11-24

Programmable power supplies for cellular base stations and related methods of reducing power loss in cellular systems

 #21
20160191718
2016-06-30

Reverse-powered transmission device

 #22
20150234405
2015-08-20

Programmable power supplies for cellular base stations and related methods of reducing power loss in cellular systems

 #23
20070003053
2007-01-04

System and device for the remote powering of a data-processing device

 #24
20060203413
2006-09-14

Protection circuit enabling a load to withstand a transient power supply failure