GB2232306B - Device for preventing use of a telephone line - Google Patents
Device for preventing use of a telephone lineInfo
- 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
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)
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)
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)
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 |
-
1989
- 1989-04-26 GB GB8909591A patent/GB2232306B/en not_active Expired - Fee Related
Patent Citations (2)
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 |
---|---|
GB8909591D0 (en) | 1989-06-14 |
GB2232306A (en) | 1990-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950426 |