GB9522243D0 - Data communication - Google Patents

Data communication

Info

Publication number
GB9522243D0
GB9522243D0 GBGB9522243.6A GB9522243A GB9522243D0 GB 9522243 D0 GB9522243 D0 GB 9522243D0 GB 9522243 A GB9522243 A GB 9522243A GB 9522243 D0 GB9522243 D0 GB 9522243D0
Authority
GB
United Kingdom
Prior art keywords
data communication
communication
data
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.)
Withdrawn
Application number
GBGB9522243.6A
Other versions
GB2306723A (en
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.)
ADVANCED TECH UK Ltd
Original Assignee
ADVANCED TECH UK 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 ADVANCED TECH UK Ltd filed Critical ADVANCED TECH UK Ltd
Priority to GB9522243A priority Critical patent/GB2306723A/en
Publication of GB9522243D0 publication Critical patent/GB9522243D0/en
Priority to PCT/GB1996/002637 priority patent/WO1997016909A2/en
Publication of GB2306723A publication Critical patent/GB2306723A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Analogue/Digital Conversion (AREA)
  • Mobile Radio Communication Systems (AREA)
GB9522243A 1995-10-31 1995-10-31 Data communication Withdrawn GB2306723A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9522243A GB2306723A (en) 1995-10-31 1995-10-31 Data communication
PCT/GB1996/002637 WO1997016909A2 (en) 1995-10-31 1996-10-30 Detection of multitone signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9522243A GB2306723A (en) 1995-10-31 1995-10-31 Data communication

Publications (2)

Publication Number Publication Date
GB9522243D0 true GB9522243D0 (en) 1996-01-03
GB2306723A GB2306723A (en) 1997-05-07

Family

ID=10783137

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9522243A Withdrawn GB2306723A (en) 1995-10-31 1995-10-31 Data communication

Country Status (2)

Country Link
GB (1) GB2306723A (en)
WO (1) WO1997016909A2 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4354248A (en) * 1979-11-28 1982-10-12 Motorola, Inc. Programmable multifrequency tone receiver
GB2091460B (en) * 1981-01-16 1985-06-05 Matsushita Electric Works Ltd Asynchronous type multichannel signal processing system
US5218636A (en) * 1991-03-07 1993-06-08 Dialogic Corporation Dial pulse digit detector
US5392348A (en) * 1991-11-25 1995-02-21 Motorola, Inc. DTMF detection having sample rate decimation and adaptive tone detection
US5442696A (en) * 1991-12-31 1995-08-15 At&T Corp. Method and apparatus for detecting control signals

Also Published As

Publication number Publication date
WO1997016909A2 (en) 1997-05-09
WO1997016909A3 (en) 1997-07-10
GB2306723A (en) 1997-05-07

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)