GB2354668B - Telephone off-hook indicator - Google Patents

Telephone off-hook indicator

Info

Publication number
GB2354668B
GB2354668B GB9922357A GB9922357A GB2354668B GB 2354668 B GB2354668 B GB 2354668B GB 9922357 A GB9922357 A GB 9922357A GB 9922357 A GB9922357 A GB 9922357A GB 2354668 B GB2354668 B GB 2354668B
Authority
GB
United Kingdom
Prior art keywords
telephone
hook indicator
hook
indicator
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
GB9922357A
Other versions
GB9922357D0 (en
GB2354668A (en
Inventor
Colin Hewitt
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 GB9922357A priority Critical patent/GB2354668B/en
Publication of GB9922357D0 publication Critical patent/GB9922357D0/en
Publication of GB2354668A publication Critical patent/GB2354668A/en
Application granted granted Critical
Publication of GB2354668B publication Critical patent/GB2354668B/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
GB9922357A 1999-09-22 1999-09-22 Telephone off-hook indicator Expired - Fee Related GB2354668B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9922357A GB2354668B (en) 1999-09-22 1999-09-22 Telephone off-hook indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9922357A GB2354668B (en) 1999-09-22 1999-09-22 Telephone off-hook indicator

Publications (3)

Publication Number Publication Date
GB9922357D0 GB9922357D0 (en) 1999-11-24
GB2354668A GB2354668A (en) 2001-03-28
GB2354668B true GB2354668B (en) 2001-08-29

Family

ID=10861348

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9922357A Expired - Fee Related GB2354668B (en) 1999-09-22 1999-09-22 Telephone off-hook indicator

Country Status (1)

Country Link
GB (1) GB2354668B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2952495B1 (en) * 2009-11-12 2012-04-13 Dubreuilh Pascal Heriard ACCESSORY DEVICE OF WIRELESS TELEPHONE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02100446A (en) * 1988-10-07 1990-04-12 Iwatsu Electric Co Ltd Telephone set
GB2251156A (en) * 1990-12-18 1992-06-24 Sangara Ind Co Ltd Telephone warning light actuated by incoming call or lifting receiver

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02100446A (en) * 1988-10-07 1990-04-12 Iwatsu Electric Co Ltd Telephone set
GB2251156A (en) * 1990-12-18 1992-06-24 Sangara Ind Co Ltd Telephone warning light actuated by incoming call or lifting receiver

Also Published As

Publication number Publication date
GB9922357D0 (en) 1999-11-24
GB2354668A (en) 2001-03-28

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Legal Events

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

Effective date: 20090922