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GB2385232B - Telephone detector - Google Patents

Telephone detector

Info

Publication number
GB2385232B
GB2385232B GB0202585A GB0202585A GB2385232B GB 2385232 B GB2385232 B GB 2385232B GB 0202585 A GB0202585 A GB 0202585A GB 0202585 A GB0202585 A GB 0202585A GB 2385232 B GB2385232 B GB 2385232B
Authority
GB
United Kingdom
Prior art keywords
telephone detector
telephone
detector
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 - Fee Related
Application number
GB0202585A
Other versions
GB2385232A (en
GB0202585D0 (en
Inventor
Richard Herman
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0202585A priority Critical patent/GB2385232B/en
Publication of GB0202585D0 publication Critical patent/GB0202585D0/en
Publication of GB2385232A publication Critical patent/GB2385232A/en
Application granted granted Critical
Publication of GB2385232B publication Critical patent/GB2385232B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/82—Line monitoring circuits for call progress or status discrimination

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
GB0202585A 2002-09-28 2002-09-28 Telephone detector Expired - Fee Related GB2385232B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0202585A GB2385232B (en) 2002-09-28 2002-09-28 Telephone detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0202585A GB2385232B (en) 2002-09-28 2002-09-28 Telephone detector

Publications (3)

Publication Number Publication Date
GB0202585D0 GB0202585D0 (en) 2002-09-28
GB2385232A GB2385232A (en) 2003-08-13
GB2385232B true GB2385232B (en) 2005-01-19

Family

ID=9930384

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0202585A Expired - Fee Related GB2385232B (en) 2002-09-28 2002-09-28 Telephone detector

Country Status (1)

Country Link
GB (1) GB2385232B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2245800A (en) * 1990-06-29 1992-01-08 Stc Plc Telephone instrument
US5210791A (en) * 1990-12-13 1993-05-11 Michael Krasik Telephone headset on-line indicator
EP1003320A1 (en) * 1998-04-24 2000-05-24 Mitsubishi Denki Kabushiki Kaisha Data communication apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2245800A (en) * 1990-06-29 1992-01-08 Stc Plc Telephone instrument
US5210791A (en) * 1990-12-13 1993-05-11 Michael Krasik Telephone headset on-line indicator
EP1003320A1 (en) * 1998-04-24 2000-05-24 Mitsubishi Denki Kabushiki Kaisha Data communication apparatus

Also Published As

Publication number Publication date
GB2385232A (en) 2003-08-13
GB0202585D0 (en) 2002-09-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20190205