ClassID:

228055

H04M19/044 - CPC Classification

Classification description:

Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations with variable loudness of the ringing tone, e.g. variable envelope or amplitude of ring signal according to the level of ambient noise

Recent Application in this class:
#1
20250350687
2025-11-13

HANDSET CALIBRATION AND LOCATION

#2
20210274049
2021-09-02

Method and apparatus for adjusting volume of user terminal, and terminal

#3
20210225154
2021-07-22

Providing priming cues to a user of an electronic device

#4
20210074281
2021-03-11

Enabling vibration notification based on environmental noise

#5
20200344529
2020-10-29

Method and apparatus for modifying output characteristics of proximate devices

#6
20200145539
2020-05-07

Method and apparatus for adjusting volume of user terminal, and terminal

#7
20190357015
2019-11-21

Apparatus and system for distributing an behavior state to an terminal in an environment

#8
20190158050
2019-05-23

Apparatus and method for adjusting an acoustic signal

#9
20190149668
2019-05-16

Method and apparatus for adjusting volume of user terminal, and terminal

#10
20190132453
2019-05-02

Method and apparatus for adjusting volume of user terminal, and terminal

#11
20190108748
2019-04-11

Providing priming cues to a user of an electronic device

#12
20190087007
2019-03-21

Providing haptic output based on a determined orientation of an electronic device

#13
20180097494
2018-04-05

Generating adaptive notification

#14
20180091614
2018-03-29

Prompting method and device

#15
20180084116
2018-03-22

Method and apparatus for adjusting volume of user terminal, and terminal

#16
20170195499
2017-07-06

Adaptive auditory alerts

#17
20170077885
2017-03-16

Generating adaptive notification

#18
20170034362
2017-02-02

Method and apparatus for adjusting volume of user terminal, and terminal

#19
20160292993
2016-10-06

Alert sound alteration

#20
20160292971
2016-10-06

Alert sound alteration

#21
20160205267
2016-07-14

Intelligent ringer in smartphones

#22
20160105155
2016-04-14

Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels

#23
20160063848
2016-03-03

Providing priming cues to a user of an electronic device

#24
20150338919
2015-11-26

Providing haptic output based on a determined orientation of an electronic device

#25
20150332564
2015-11-19

Noise-sensitive alert presentation

#26
20150271345
2015-09-24

Control apparatus, control method, and computer-readable medium

#27
20150156614
2015-06-04

Method and device for adjusting and processing ringtone

#28
20130165178
2013-06-27

Apparatus and method for adjusting volume in a portable terminal

#29
20130078976
2013-03-28

Adjustable mobile phone settings based on environmental conditions

#30
20120322510
2012-12-20

Methods, devices, and computer program products for providing ambient noise sensitive alerting

#31
20120231773
2012-09-13

CUBOID-BASED SYSTEMS AND METHODS FOR SAFE MOBILE TEXTING.

#32
20120165068
2012-06-28

Adaptive ring signal level device and method

#33
20120164993
2012-06-28

DEVICE AND METHOD FOR GENERATING A MUFFLE COMPENSATED RING SIGNAL

#34
20120027225
2012-02-02

Bell sound outputting apparatus and method thereof

#35
20120027216
2012-02-02

Controlling an adaptation of a behavior of an audio device to a current acoustic environmental condition

#36
20110286603
2011-11-24

Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels

#37
20110195757
2011-08-11

ELECTRONIC DEVICE AND ALERTING METHOD OF INCOMING CALL

#38
20110148629
2011-06-23

Electronic device and method for noise alerting

#39
20110135086
2011-06-09

Method and electronic device for improving communication quality based on ambient noise sensing

#40
20110130132
2011-06-02

SYSTEM AND METHOD FOR INHIBITING TEENAGERS' TEXTING WHILE DRIVING MOVING VEHICLES

#41
20110103598
2011-05-05

RADIO COMMUNICATION APPARATUS, METHOD, AND COMPUTER PROGRAM FOR NOTIFICATION OF EVENT OCCURRENCE

#42
20110053612
2011-03-03

GPSS-based system and method for enabling or disabling cellphones in predefined zones

#43
20100295678
2010-11-25

MOBILE APPARATUS, METHOD OF CONTROLLING THE SAME, AND PROGRAM

#44
20100234047
2010-09-16

System for inhibiting texting and similar distractions while driving moving vehicles

#45
20100202622
2010-08-12

Automatic generation of audible alert according to ambient sound

#46
20100062812
2010-03-11

System and method for controlling an enunciator on an electronic device

#47
20100061560
2010-03-11

Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels

#48
20100034395
2010-02-11

Adaptive ring level

#49
20100016014
2010-01-21

Mobile device interface and methods thereof

#50
20090312000
2009-12-17

ENVIRONMENT RESPONSIVE MOBILE COMMUNICATION DEVICE OPERATION

#51
20090258682
2009-10-15

Methods, devices, and computer program products for providing ambient noise sensitive alerting

#52
20090226009
2009-09-10

DEVICE AND METHOD

#53
20090140853
2009-06-04

Method and Apparatus for Alert Control

#54
20080248783
2008-10-09

METHOD AND APPARATUS TO FACILITATE SELECTING AN AUDIBLE ALERT THAT WILL CONTRAST WITH LOCAL AUDIBLE AMBIENT CONTENT

#55
20080214211
2008-09-04

System for enabling or restricting certain cellular telephone device capabilities in certain zones

#56
20080170683
2008-07-17

Adaptive notification of an incoming call in a mobile phone

#57
20080167006
2008-07-10

COMMUNICATION DEVICE

#58
20080161063
2008-07-03

Methods and devices for adaptive ringtone generation

#59
20080132196
2008-06-05

Method and medium for analyzing environment of device and device using the same

#60
20080102902
2008-05-01

Methods, devices, and computer program products for providing ambient noise sensitive alerting

#61
20080081674
2008-04-03

System and method for controlling an enunciator on an electronic device

#62
20080070640
2008-03-20

Mobile communication terminal and method for performing automatic incoming call notification mode change

#63
20070285234
2007-12-13

Adaptive audio signals in portable communications devices

#64
20070192067
2007-08-16

Apparatus for Automatically Selecting Ring and Vibration Mode of a Mobile Communication Device

#65
20070176742
2007-08-02

Method of associating groups of classified source addresses with vibration patterns

#66
20070140471
2007-06-21

Enhanced usage of telephone in noisy surroundings

#67
20070049264
2007-03-01

Cell phone muting override system

#68
20060223547
2006-10-05

Environment sensitive notifications for mobile devices

#69
20060153358
2006-07-13

Adaptive notification of an incoming call in a mobile phone

#70
20060116175
2006-06-01

Handheld communications device with automatic alert mode selection

#71
20060016896
2006-01-26

Adaptability of the interface of a portable object as a function of environment

#72
20050282590
2005-12-22

Volume control system and method for a mobile communication device

#73
20050168333
2005-08-04

Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels

#74
20050136842
2005-06-23

Method for automatically switching a profile of a mobile phone

#75
20050107129
2005-05-19

Environment-aware call annunciator

#76
17318796
2025-08-19

Handset calibration and location

#77
15859648
2019-11-26

Adaptive auditory alerts

#78
15472334
2018-06-19

Optimizing a ringtone for audibility

#79
12939844
2015-12-01

System for operating a wireless device in an environment with ambient noise