GB2219444B - A lockable telephone extension plug - Google Patents

A lockable telephone extension plug

Info

Publication number
GB2219444B
GB2219444B GB8908020A GB8908020A GB2219444B GB 2219444 B GB2219444 B GB 2219444B GB 8908020 A GB8908020 A GB 8908020A GB 8908020 A GB8908020 A GB 8908020A GB 2219444 B GB2219444 B GB 2219444B
Authority
GB
United Kingdom
Prior art keywords
telephone extension
extension plug
lockable
lockable telephone
plug
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
GB8908020A
Other versions
GB2219444A (en
GB8908020D0 (en
Inventor
Donald Ivor Fewings
David Malcolm Edwards
Adam Rawicz-Szczerbo
Anthony Henderson
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.)
RATHDOWN IND Ltd
Original Assignee
RATHDOWN IND 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
Priority claimed from GB888808362A external-priority patent/GB8808362D0/en
Priority claimed from GB888825456A external-priority patent/GB8825456D0/en
Priority claimed from GB888828656A external-priority patent/GB8828656D0/en
Application filed by RATHDOWN IND Ltd filed Critical RATHDOWN IND Ltd
Publication of GB8908020D0 publication Critical patent/GB8908020D0/en
Publication of GB2219444A publication Critical patent/GB2219444A/en
Application granted granted Critical
Publication of GB2219444B publication Critical patent/GB2219444B/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
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/677—Preventing the dialling or sending of predetermined telephone numbers or selected types of telephone numbers, e.g. long distance numbers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
    • H01R24/62—Sliding engagements with one side only, e.g. modular jack coupling devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/60—Means for supporting coupling part when not engaged

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
GB8908020A 1988-04-09 1989-04-10 A lockable telephone extension plug Expired - Fee Related GB2219444B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB888808362A GB8808362D0 (en) 1988-04-09 1988-04-09 Intelligent call barring module
GB888825456A GB8825456D0 (en) 1988-10-31 1988-10-31 Telephone plug lock
GB888828656A GB8828656D0 (en) 1988-12-08 1988-12-08 Improvements in/relating to telephone/similar plug sockets

Publications (3)

Publication Number Publication Date
GB8908020D0 GB8908020D0 (en) 1989-05-24
GB2219444A GB2219444A (en) 1989-12-06
GB2219444B true GB2219444B (en) 1992-04-08

Family

ID=27263858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8908020A Expired - Fee Related GB2219444B (en) 1988-04-09 1989-04-10 A lockable telephone extension plug

Country Status (1)

Country Link
GB (1) GB2219444B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE883885L (en) * 1988-12-29 1990-06-29 Mcdaid Denis Telephone lock
GB8901680D0 (en) * 1989-01-26 1989-03-15 Marten Brian M L Call control device for telephones
GB8908917D0 (en) * 1989-04-20 1989-06-07 Treanor Keith A Telecommunications access control device
GB2232306B (en) * 1989-04-26 1993-09-29 Stanislaw Jerzy Przylipiak Device for preventing use of a telephone line
GB9121191D0 (en) * 1991-10-05 1991-11-20 Garner John G Lockable electric socket
JP3269029B2 (en) * 1998-06-16 2002-03-25 エスエムケイ株式会社 Connector lock structure
GB2355864A (en) * 1999-10-27 2001-05-02 R W Data Ltd Switched data outlet socket assembly
ITPD20030299A1 (en) * 2003-12-12 2005-06-13 Fanton Spa INTERLOCKED SOCKET WITH REMOVABLE KEY TO PREVENT THE
FR2893454B1 (en) * 2005-11-11 2008-02-08 Infra & Sa PROTECTIVE DEVICE AND CONNECTOR COMPRISING SUCH A DEVICE.
CN111193140B (en) * 2020-03-18 2021-09-03 浙江陶氏集团黄岩模具二厂有限公司 Electric shock prevention safety socket

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002475A1 (en) * 1979-05-02 1980-11-13 Western Electric Co Multi-oulet adapter for modular telephone cords
US4615575A (en) * 1985-04-29 1986-10-07 Kossor Michael G Modular connector for securing telephone line

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002475A1 (en) * 1979-05-02 1980-11-13 Western Electric Co Multi-oulet adapter for modular telephone cords
US4615575A (en) * 1985-04-29 1986-10-07 Kossor Michael G Modular connector for securing telephone line

Also Published As

Publication number Publication date
GB2219444A (en) 1989-12-06
GB8908020D0 (en) 1989-05-24

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Legal Events

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

Effective date: 19930410