GB2232306B - Device for preventing use of a telephone line - Google Patents

Device for preventing use of a telephone line

Info

Publication number
GB2232306B
GB2232306B GB8909591A GB8909591A GB2232306B GB 2232306 B GB2232306 B GB 2232306B GB 8909591 A GB8909591 A GB 8909591A GB 8909591 A GB8909591 A GB 8909591A GB 2232306 B GB2232306 B GB 2232306B
Authority
GB
United Kingdom
Prior art keywords
telephone line
preventing use
preventing
telephone
line
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
GB8909591A
Other versions
GB2232306A (en
GB8909591D0 (en
Inventor
Stanislaw Jerzy Przylipiak
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 GB8909591A priority Critical patent/GB2232306B/en
Publication of GB8909591D0 publication Critical patent/GB8909591D0/en
Publication of GB2232306A publication Critical patent/GB2232306A/en
Application granted granted Critical
Publication of GB2232306B publication Critical patent/GB2232306B/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
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • H01R13/6397—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap with means for preventing unauthorised use
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
GB8909591A 1989-04-26 1989-04-26 Device for preventing use of a telephone line Expired - Fee Related GB2232306B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8909591A GB2232306B (en) 1989-04-26 1989-04-26 Device for preventing use of a telephone line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8909591A GB2232306B (en) 1989-04-26 1989-04-26 Device for preventing use of a telephone line

Publications (3)

Publication Number Publication Date
GB8909591D0 GB8909591D0 (en) 1989-06-14
GB2232306A GB2232306A (en) 1990-12-05
GB2232306B true GB2232306B (en) 1993-09-29

Family

ID=10655780

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8909591A Expired - Fee Related GB2232306B (en) 1989-04-26 1989-04-26 Device for preventing use of a telephone line

Country Status (1)

Country Link
GB (1) GB2232306B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2893454B1 (en) * 2005-11-11 2008-02-08 Infra & Sa PROTECTIVE DEVICE AND CONNECTOR COMPRISING SUCH A DEVICE.
GB0813455D0 (en) * 2008-07-23 2008-08-27 Tyco Electronics Raychem Nv Blanking plug for telecommunications jack
DE102019123567A1 (en) * 2019-09-03 2021-03-04 Deutsche Bahn Ag Locking device for connection sockets

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219444A (en) * 1988-04-09 1989-12-06 Rathdown Ind Ltd A lockable telephone extension plug
GB2221586A (en) * 1988-06-02 1990-02-07 Denis Mcdaid Lock for telephone line jack unit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219444A (en) * 1988-04-09 1989-12-06 Rathdown Ind Ltd A lockable telephone extension plug
GB2221586A (en) * 1988-06-02 1990-02-07 Denis Mcdaid Lock for telephone line jack unit

Also Published As

Publication number Publication date
GB2232306A (en) 1990-12-05
GB8909591D0 (en) 1989-06-14

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Legal Events

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

Effective date: 19950426