Membership
Tour
Register
Log in
Current supply arrangements for telephone systems
Follow
Industry
CPC
H04M19/00
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
H
ELECTRICITY
H04
Electric communication
H04M
TELEPHONIC COMMUNICATION
Current Industry
H04M19/00
Current supply arrangements for telephone systems
Sub Industries
H04M19/001
Current supply source at the exchanger providing current to substations
H04M19/003
Arrangements for compensation of the DC flux in line transformers
H04M19/005
Feeding arrangements without the use of line transformers
H04M19/006
Circuits for increasing the range of current supply source
H04M19/008
Using DC/DC converters
H04M19/02
providing ringing current or supervisory tones
H04M19/023
by reversing the polarity of the current at the exchange
H04M19/026
Arrangements for interrupting the ringing current
H04M19/04
ringing-current generated at substation
H04M19/041
Encoding the ringing signal
H04M19/042
with variable loudness of the ringing tone
H04M19/044
according to the level of ambient noise
H04M19/045
Call privacy arrangements
H04M19/047
Vibrating means for incoming calls
H04M19/048
Arrangements providing optical indication of the incoming call
H04M19/06
Current supply source at subordinate switching centre charged from main exchange
H04M19/08
Current supply source at substation
Industries
Overview
Organizations
People
Information
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Devices, methods, and graphical user interfaces for providing hapti...
Patent number
12,190,714
Issue date
Jan 7, 2025
Apple Inc.
Camille Moussette
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Power delivery through an optical system
Patent number
12,160,275
Issue date
Dec 3, 2024
Cisco Technology, Inc.
Joel Richard Goergen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Systems and methods for intelligent power distribution
Patent number
12,160,136
Issue date
Dec 3, 2024
AT&T Intellectual Property I, L.P.
David Titus
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Smartphone that is automatically changed to a ringing mode after pe...
Patent number
12,132,857
Issue date
Oct 29, 2024
Meir Dahan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Emergency notifications during scheduled silent modes on mobile phones
Patent number
12,126,753
Issue date
Oct 22, 2024
Lawrence R Youst
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Vibration method and apparatus, electronic device, and readable sto...
Patent number
12,105,880
Issue date
Oct 1, 2024
HONOR DEVICE CO., LTD.
Ting Huang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Device having a camera used to detect visual cues that activate a f...
Patent number
12,094,328
Issue date
Sep 17, 2024
Apple Inc.
Matthew Hill
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Wearable electronic device, main electronic device, system and cont...
Patent number
12,088,461
Issue date
Sep 10, 2024
Samsung Electronics Co., Ltd.
Ji Hyun Park
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for notification reminder, terminal, and storage medium
Patent number
12,069,200
Issue date
Aug 20, 2024
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
Qihu Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method, apparatus, and terminal for processing notification informa...
Patent number
12,056,341
Issue date
Aug 6, 2024
Huawei Technologies Co., Ltd.
Hao Jing
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Monitoring of devices
Patent number
12,051,876
Issue date
Jul 30, 2024
Cirrus Logic Inc.
Andrew James Howlett
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for providing notification
Patent number
12,035,277
Issue date
Jul 9, 2024
Samsung Electronics Co., Ltd.
Jong-hyun Ryu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device and controlling method thereof
Patent number
11,968,627
Issue date
Apr 23, 2024
Samsung Electronics Co., Ltd.
Jong Moo Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Scheduling for focus without distraction
Patent number
11,963,082
Issue date
Apr 16, 2024
Emma Michaela Siritzky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for a subscriber-powered network element
Patent number
11,943,000
Issue date
Mar 26, 2024
Alexander Ivan Soto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dynamic rewardable activity value determination and allocation
Patent number
11,936,807
Issue date
Mar 19, 2024
DIGITAL REEF, INC.
Paul Kats
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems and methods for controlling a mobile device cover
Patent number
11,930,131
Issue date
Mar 12, 2024
STAR CO SCIENTIFIC TECHNOLOGIES ADVANCED RESEARCH CO, LLC
Thomas E. Coverstone
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Quiet hours for notifications
Patent number
11,914,782
Issue date
Feb 27, 2024
Apple Inc.
Imran A. Chaudhri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Device and controlling method thereof
Patent number
11,882,523
Issue date
Jan 23, 2024
Samsung Electronics Co., Ltd.
Jong Moo Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for presenting video on electronic device when there is inco...
Patent number
11,863,701
Issue date
Jan 2, 2024
Huawei Technologies Co., Ltd.
Wendi Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for presenting video on electronic device when there is inco...
Patent number
11,856,128
Issue date
Dec 26, 2023
Huawei Technologies Co., Ltd.
Wendi Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network source identification via audio signals
Patent number
11,837,230
Issue date
Dec 5, 2023
Google LLC
Peter Kraker
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Power delivery through an optical system
Patent number
11,838,060
Issue date
Dec 5, 2023
Cisco Technology, Inc.
Joel Richard Goergen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Collaborative phone reputation system
Patent number
11,838,443
Issue date
Dec 5, 2023
Intel Corporation
Igor Tatourian
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for reproducing music file of mobile communication terminal...
Patent number
11,825,013
Issue date
Nov 21, 2023
Samsung Electronics Co., Ltd.
Jong-Sub Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portable terminal device, television receiver, and incoming call no...
Patent number
11,812,109
Issue date
Nov 7, 2023
MAXELL, LTD.
Motoyuki Suzuki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semantic framework for variable haptic output
Patent number
11,790,739
Issue date
Oct 17, 2023
Apple Inc.
Camille Moussette
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Quick charging method, mobile terminal, and power adapter
Patent number
11,791,651
Issue date
Oct 17, 2023
Guangdong Oppo Mobile Telecommunications Corp., Ltd.
Chen Tian
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System and method for charging electronic devices in a controlled e...
Patent number
11,770,019
Issue date
Sep 26, 2023
GLOBAL TEL*LINK CORPORATION
Stephen Lee Hodge
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Haptic information provision device
Patent number
11,760,375
Issue date
Sep 19, 2023
CK MATERIALS LAB CO., LTD.
Seoung Hun Do
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
POWER DELIVERY THROUGH AN OPTICAL SYSTEM
Publication number
20240421915
Publication date
Dec 19, 2024
Cisco Technology, Inc.
Joel Richard Goergen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
VOICE INTERCOM SYSTEM AND METHOD THEREFOR
Publication number
20240422297
Publication date
Dec 19, 2024
NATHAN D. LANE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
FAST CHARGING DEVICE WITH MULTIPLE INTELLIGENT TERMINALS AND CHARGI...
Publication number
20240413646
Publication date
Dec 12, 2024
JINHONG WU
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
WEARABLE ELECTRONIC DEVICE, MAIN ELECTRONIC DEVICE, SYSTEM AND CONT...
Publication number
20240348498
Publication date
Oct 17, 2024
Samsung Electronics Co., Ltd.
Ji Hyun Park
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD AND APPARATUS FOR PROVIDING NOTIFICATION
Publication number
20240323916
Publication date
Sep 26, 2024
Samsung Electronics Co., Ltd.
Jong-hyun RYU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR A SUBSCRIBER-POWERED NETWORK ELEMENT
Publication number
20240305386
Publication date
Sep 12, 2024
Alexander Ivan Soto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
QUIET HOURS FOR NOTIFICATIONS
Publication number
20240231499
Publication date
Jul 11, 2024
Apple Inc.
Imran A. Chaudhri
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DYNAMIC REWARDABLE ACTIVITY VALUE DETERMINATION AND ALLOCATION
Publication number
20240223700
Publication date
Jul 4, 2024
DIGITAL REEF, INC.
Paul Kats
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND ELECTRONIC DEVICE
Publication number
20240221486
Publication date
Jul 4, 2024
Nikon Corporation
Satoshi HASEGAWA
G08 - SIGNALLING
Information
Patent Application
SYSTEMS AND METHODS FOR CONTROLLING A MOBILE DEVICE COVER
Publication number
20240214488
Publication date
Jun 27, 2024
STAR CO Scientific Technologies Advanced Research Co, LLC d/b/a STAR CO
Thomas E. Coverstone
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RINGING SUPPRESSION CIRCUIT
Publication number
20240187533
Publication date
Jun 6, 2024
Amazing Microelectronic Corp.
TING-YI CHOU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DEVICE AND CONTROLLING METHOD THEREOF
Publication number
20240073823
Publication date
Feb 29, 2024
Samsung Electronics Co., Ltd.
Jong Moo LEE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
NETWORK SOURCE IDENTIFICATION VIA AUDIO SIGNALS
Publication number
20240062758
Publication date
Feb 22, 2024
Google LLC
Peter Kraker
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PORTABLE TERMINAL DEVICE, TELEVISION RECEIVER, AND INCOMING CALL NO...
Publication number
20240048812
Publication date
Feb 8, 2024
Maxell, Ltd.
Motoyuki SUZUKI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
QUICK CHARGING METHOD, MOBILE TERMINAL, AND POWER ADAPTER
Publication number
20240022105
Publication date
Jan 18, 2024
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
Chen Tian
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER DELIVERY THROUGH AN OPTICAL SYSTEM
Publication number
20240022337
Publication date
Jan 18, 2024
Cisco Technology, Inc.
Joel Richard Goergen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Emergency Notification Methods for Mobile Phones
Publication number
20230421688
Publication date
Dec 28, 2023
Lawrence R. Youst
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ALERT PERIPHERAL FOR NOTIFICATION OF EVENTS OCCURRING ON A PROGRAMM...
Publication number
20230388969
Publication date
Nov 30, 2023
Google Technology Holdings LLC
Alberto R. Cavallaro
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Semantic Framework for Variable Haptic Output
Publication number
20230351869
Publication date
Nov 2, 2023
Apple Inc.
Camille Moussette
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Devices, Methods, and Graphical User Interfaces for Providing Hapti...
Publication number
20230343189
Publication date
Oct 26, 2023
Apple Inc.
Camille Moussette
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Smart wearable solar devices and methods for communication
Publication number
20230319174
Publication date
Oct 5, 2023
Phyllis Jager
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Alert Ringtone for Urgent Messages
Publication number
20230300237
Publication date
Sep 21, 2023
NAXOS FINANCE SA
Ana Flavia Assis Dourado
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SCHEDULING FOR FOCUS WITHOUT DISTRACTION
Publication number
20230284003
Publication date
Sep 7, 2023
Emma Michaela Siritzky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROGRAMMABLE POWER SUPPLIES FOR CELLULAR BASE STATIONS AND RELATED...
Publication number
20230251681
Publication date
Aug 10, 2023
CommScope Technologies LLC
John C. Chamberlain
G05 - CONTROLLING REGULATING
Information
Patent Application
VIBRATION METHOD AND APPARATUS, ELECTRONIC DEVICE, AND READABLE STO...
Publication number
20230251714
Publication date
Aug 10, 2023
HONOR DEVICE CO., LTD.
Ting HUANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
WEARABLE ELECTRONIC DEVICE, MAIN ELECTRONIC DEVICE, SYSTEM AND CONT...
Publication number
20230239205
Publication date
Jul 27, 2023
Samsung Electronics Co., Ltd.
Ji Hyun Park
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PROGRAMMABLE POWER SUPPLIES FOR CELLULAR BASE STATIONS AND RELATED...
Publication number
20230236617
Publication date
Jul 27, 2023
CommScope Technologies LLC
John C. Chamberlain
G05 - CONTROLLING REGULATING
Information
Patent Application
METHOD, APPARATUS, AND TERMINAL FOR PROCESSING NOTIFICATION INFORMA...
Publication number
20230229293
Publication date
Jul 20, 2023
Huawei Technologies Co., Ltd
Hao JING
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Device Having a Camera Used to Detect Visual Cues that Activate a F...
Publication number
20230215250
Publication date
Jul 6, 2023
Apple Inc.
Matthew Hill
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
QUIET HOURS FOR NOTIFICATIONS
Publication number
20230185380
Publication date
Jun 15, 2023
Apple Inc.
Imran A. Chaudhri
G06 - COMPUTING CALCULATING COUNTING