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GB2358553B - Generation of alert signals in radio transceivers - Google Patents

Generation of alert signals in radio transceivers

Info

Publication number
GB2358553B
GB2358553B GB0001349A GB0001349A GB2358553B GB 2358553 B GB2358553 B GB 2358553B GB 0001349 A GB0001349 A GB 0001349A GB 0001349 A GB0001349 A GB 0001349A GB 2358553 B GB2358553 B GB 2358553B
Authority
GB
United Kingdom
Prior art keywords
generation
radio transceivers
alert signals
alert
signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB0001349A
Other versions
GB2358553A (en
GB0001349D0 (en
Inventor
Richard Charles Lucas
Robert Joseph Schukai
Christopher Warren Wright
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions UK Ltd
Original Assignee
Motorola Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Ltd filed Critical Motorola Ltd
Priority to GB0001349A priority Critical patent/GB2358553B/en
Publication of GB0001349D0 publication Critical patent/GB0001349D0/en
Publication of GB2358553A publication Critical patent/GB2358553A/en
Application granted granted Critical
Publication of GB2358553B publication Critical patent/GB2358553B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—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
    • H04M19/042—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
    • H04M19/044—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB0001349A 2000-01-21 2000-01-21 Generation of alert signals in radio transceivers Expired - Lifetime GB2358553B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0001349A GB2358553B (en) 2000-01-21 2000-01-21 Generation of alert signals in radio transceivers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0001349A GB2358553B (en) 2000-01-21 2000-01-21 Generation of alert signals in radio transceivers

Publications (3)

Publication Number Publication Date
GB0001349D0 GB0001349D0 (en) 2000-03-08
GB2358553A GB2358553A (en) 2001-07-25
GB2358553B true GB2358553B (en) 2002-04-10

Family

ID=9884055

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0001349A Expired - Lifetime GB2358553B (en) 2000-01-21 2000-01-21 Generation of alert signals in radio transceivers

Country Status (1)

Country Link
GB (1) GB2358553B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4200348B2 (en) * 2001-07-06 2008-12-24 日本電気株式会社 Mobile terminal and ringing method for incoming call
US7983920B2 (en) 2003-11-18 2011-07-19 Microsoft Corporation Adaptive computing environment
US20050113147A1 (en) * 2003-11-26 2005-05-26 Vanepps Daniel J.Jr. Methods, electronic devices, and computer program products for generating an alert signal based on a sound metric for a noise signal
WO2006092746A1 (en) * 2005-03-01 2006-09-08 Koninklijke Philips Electronics N.V. Handheld device with improved vibration unit control.
US20080248783A1 (en) * 2007-04-03 2008-10-09 Motorola, Inc. Method and apparatus to facilitate selecting an audible alert that will contrast with local audible ambient content
US9273978B2 (en) 2010-01-08 2016-03-01 Blackberry Limited Methods, device and systems for delivery of navigational notifications

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06284172A (en) * 1993-03-26 1994-10-07 Mitsubishi Electric Corp Telephone set
EP0781071A1 (en) * 1995-12-22 1997-06-25 Sagem Sa Method to control a buzzer
GB2313265A (en) * 1996-05-15 1997-11-19 Nec Corp Base station for mobile telephone system which disables ringing to mobile telephones
WO1999003259A2 (en) * 1997-07-10 1999-01-21 Ericsson Inc. Method and apparatus for controlling a telephone ring signal
WO1999005850A1 (en) * 1997-07-24 1999-02-04 Northern Telecom Limited Automatic volume control for a telephone ringer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06284172A (en) * 1993-03-26 1994-10-07 Mitsubishi Electric Corp Telephone set
EP0781071A1 (en) * 1995-12-22 1997-06-25 Sagem Sa Method to control a buzzer
GB2313265A (en) * 1996-05-15 1997-11-19 Nec Corp Base station for mobile telephone system which disables ringing to mobile telephones
WO1999003259A2 (en) * 1997-07-10 1999-01-21 Ericsson Inc. Method and apparatus for controlling a telephone ring signal
WO1999005850A1 (en) * 1997-07-24 1999-02-04 Northern Telecom Limited Automatic volume control for a telephone ringer

Also Published As

Publication number Publication date
GB2358553A (en) 2001-07-25
GB0001349D0 (en) 2000-03-08

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20130926 AND 20131002

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20170831 AND 20170906

PE20 Patent expired after termination of 20 years

Expiry date: 20200120