GB0203834D0 - Data transmission - Google Patents

Data transmission

Info

Publication number: GB0203834D0
Authority: GB; United Kingdom
Prior art keywords: data transmission; transmission; data
Prior art date: 2002-02-19
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.): Ceased

Application number

GB0203834A

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.)

University of Surrey

Original Assignee

University of Surrey

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.)

2002-02-19

Filing date

2002-02-19

Publication date

2002-04-03

2002-02-19 Application filed by University of Surrey filed Critical University of Surrey

2002-02-19 Priority to GB0203834A priority Critical patent/GB0203834D0/en

2002-04-03 Publication of GB0203834D0 publication Critical patent/GB0203834D0/en

2003-02-19 Priority to PCT/GB2003/000721 priority patent/WO2003071521A1/en

2003-02-19 Priority to AU2003205902A priority patent/AU2003205902A1/en

Status Ceased legal-status Critical Current

Links

GB0203834A 2002-02-19 2002-02-19 Data transmission Ceased GB0203834D0 (en)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
GB0203834A GB0203834D0 (en)	2002-02-19	2002-02-19	Data transmission
PCT/GB2003/000721 WO2003071521A1 (en)	2002-02-19	2003-02-19	Data transmission over a compressed speech channel
AU2003205902A AU2003205902A1 (en)	2002-02-19	2003-02-19	Data transmission over a compressed speech channel

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB0203834A GB0203834D0 (en)	2002-02-19	2002-02-19	Data transmission

Publications (1)

Publication Number	Publication Date
GB0203834D0 true GB0203834D0 (en)	2002-04-03

Family

ID=9931313

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB0203834A Ceased GB0203834D0 (en)	2002-02-19	2002-02-19	Data transmission

Country Status (3)

Country	Link
AU (1)	AU2003205902A1 (en)
GB (1)	GB0203834D0 (en)
WO (1)	WO2003071521A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB0410321D0 (en) *	2004-05-08	2004-06-09	Univ Surrey	Data transmission
US7864717B2 (en) *	2006-01-09	2011-01-04	Flextronics Automotive Inc.	Modem for communicating data over a voice channel of a communications system
FR2935212B1 (en) *	2008-08-19	2010-09-17	Sagem Defense Securite	METHOD FOR TRANSMITTING A DATA SIGNAL OVER A TELEPHONE NETWORK
EP2471060A1 (en) *	2009-08-26	2012-07-04	Continental Automotive GmbH	In-band modem signals for use on a cellular telephone voice channel
KR101090899B1 (en)	2010-07-07	2011-12-08	한국전자통신연구원	Communication device for direct communication between different network
CN107786574A (en) *	2017-11-10	2018-03-09	芯盾（北京）信息技术有限公司	The voice communication Source Encryption system of mobile terminal
CN109256141B (en) *	2018-09-13	2023-03-28	北京芯盾集团有限公司	Method for data transmission by using voice channel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6208959B1 (en) *	1997-12-15	2001-03-27	Telefonaktibolaget Lm Ericsson (Publ)	Mapping of digital data symbols onto one or more formant frequencies for transmission over a coded voice channel
AU2875501A (en) *	2000-03-06	2001-09-17	Josslyn Motha Meyer	Data embedding in digital telephone signals
MXPA02009179A (en) *	2000-03-21	2003-03-12	Airbiquity Inc	Voiceband modem for data communications over digital wireless networks.

2002
- 2002-02-19 GB GB0203834A patent/GB0203834D0/en not_active Ceased
2003
- 2003-02-19 WO PCT/GB2003/000721 patent/WO2003071521A1/en not_active Application Discontinuation
- 2003-02-19 AU AU2003205902A patent/AU2003205902A1/en not_active Abandoned

Also Published As

Publication number	Publication date
WO2003071521A1 (en)	2003-08-28
AU2003205902A1 (en)	2003-09-09

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Legal Events

Date	Code	Title	Description
2003-09-03	AT	Applications terminated before publication under section 16(1)