ZA74795B - Improved line protector for a communication circuit - Google Patents
Improved line protector for a communication circuitInfo
- Publication number
- ZA74795B ZA74795B ZA740795A ZA74795A ZA74795B ZA 74795 B ZA74795 B ZA 74795B ZA 740795 A ZA740795 A ZA 740795A ZA 74795 A ZA74795 A ZA 74795A ZA 74795 B ZA74795 B ZA 74795B
- Authority
- ZA
- South Africa
- Prior art keywords
- communication circuit
- line protector
- improved line
- protector
- improved
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
- H01T1/14—Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/44—Structural association with a spark-gap arrester
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00339928A US3818271A (en) | 1973-03-09 | 1973-03-09 | Line connector for a communications circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA74795B true ZA74795B (en) | 1974-12-24 |
Family
ID=23331209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA740795A ZA74795B (en) | 1973-03-09 | 1974-02-06 | Improved line protector for a communication circuit |
Country Status (12)
Country | Link |
---|---|
US (1) | US3818271A (xx) |
JP (1) | JPS49125836A (xx) |
AR (1) | AR199606A1 (xx) |
BR (1) | BR7401788D0 (xx) |
CA (1) | CA1005515A (xx) |
DE (1) | DE2406769A1 (xx) |
ES (1) | ES424065A1 (xx) |
FR (1) | FR2220907B3 (xx) |
GB (1) | GB1435641A (xx) |
IT (1) | IT1003678B (xx) |
SE (1) | SE398576B (xx) |
ZA (1) | ZA74795B (xx) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3936785A (en) * | 1974-04-01 | 1976-02-03 | Cook Electric Company | Gas tube arrester subassembly |
US4004263A (en) * | 1975-06-09 | 1977-01-18 | Porta Systems Corporation | Protector module for telephone systems |
US4062053A (en) * | 1975-12-22 | 1977-12-06 | Cook Electric Company | Protector module |
US4096541A (en) * | 1976-02-13 | 1978-06-20 | Etat Francaise | Miniature lightning protector |
US4128855A (en) * | 1977-04-18 | 1978-12-05 | Reliable Electric Company | Surge arrester |
US4168515A (en) * | 1978-02-23 | 1979-09-18 | Reliable Electric Company | Line protector for a communications circuit |
US4191987A (en) * | 1978-02-24 | 1980-03-04 | Gerald Coren | Clip-on protector |
US4215381A (en) * | 1978-09-25 | 1980-07-29 | Bell Telephone Laboratories, Incorporated | Protector module for telephone circuits |
US4307430A (en) * | 1979-09-26 | 1981-12-22 | Bell Telephone Laboratories, Incorporated | Protector device for telecommunications circuits |
DE3412421A1 (de) * | 1984-04-03 | 1985-10-03 | Siemens AG, 1000 Berlin und 8000 München | Schutzelement fuer verteilerleisten |
US4814941A (en) * | 1984-06-08 | 1989-03-21 | Steelcase Inc. | Power receptacle and nested line conditioner arrangement |
US4817270A (en) * | 1986-04-21 | 1989-04-04 | Northern Telecom Limited | Method of manufacturing a heat coil assembly for a protector unit |
US4901188A (en) * | 1988-12-30 | 1990-02-13 | Reliance Comm/Tec Corporation | Line protector with spring |
FR2643504A1 (fr) * | 1989-02-23 | 1990-08-24 | Mars Actel | Module de protection de ligne, a parafoudre, notamment pour bloc de raccordement telephonique |
DE4026004A1 (de) * | 1990-08-14 | 1992-02-20 | Krone Ag | Schutzschaltung und schutzstecker in telekommunikationsanlagen |
US5296646A (en) * | 1992-04-03 | 1994-03-22 | The Whitaker Corporation | Protector module for telephone line junction box |
US5317474A (en) * | 1992-05-08 | 1994-05-31 | The Whitaker Corporation | Module for telephone line conductor pair having single protector unit |
US5751533A (en) * | 1996-02-01 | 1998-05-12 | Reltec Corporation | Cup and diode assembly for overvoltage protectors and communications lines |
US5910877A (en) * | 1997-11-17 | 1999-06-08 | Reltec Corporation | Line protector for a communication circuit |
GB2520566A (en) * | 2013-11-26 | 2015-05-27 | Dynex Semiconductor Ltd | Fail Safe Switch |
CZ307373B6 (cs) * | 2017-05-04 | 2018-07-04 | Saltek S.R.O. | Omezovač napětí se zkratovacím zařízením |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3743888A (en) * | 1972-08-24 | 1973-07-03 | Reliable Electric Co | Line protector for a communication circuit |
-
1973
- 1973-03-09 US US00339928A patent/US3818271A/en not_active Expired - Lifetime
-
1974
- 1974-02-05 CA CA191,753A patent/CA1005515A/en not_active Expired
- 1974-02-06 ZA ZA740795A patent/ZA74795B/xx unknown
- 1974-02-11 GB GB615774A patent/GB1435641A/en not_active Expired
- 1974-02-13 AR AR252342A patent/AR199606A1/es active
- 1974-02-13 DE DE19742406769 patent/DE2406769A1/de not_active Withdrawn
- 1974-03-04 IT IT48993/74A patent/IT1003678B/it active
- 1974-03-08 FR FR7408056A patent/FR2220907B3/fr not_active Expired
- 1974-03-08 ES ES424065A patent/ES424065A1/es not_active Expired
- 1974-03-08 BR BR1788/74A patent/BR7401788D0/pt unknown
- 1974-03-08 SE SE7403116A patent/SE398576B/xx not_active IP Right Cessation
- 1974-03-08 JP JP49026451A patent/JPS49125836A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2220907B3 (xx) | 1976-12-17 |
AR199606A1 (es) | 1974-09-13 |
BR7401788D0 (pt) | 1974-11-05 |
GB1435641A (en) | 1976-05-12 |
US3818271A (en) | 1974-06-18 |
AU6578674A (en) | 1975-08-21 |
FR2220907A1 (xx) | 1974-10-04 |
CA1005515A (en) | 1977-02-15 |
SE398576B (sv) | 1977-12-27 |
ES424065A1 (es) | 1976-05-16 |
IT1003678B (it) | 1976-06-10 |
JPS49125836A (xx) | 1974-12-02 |
DE2406769A1 (de) | 1974-09-19 |
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