DE29615789U1 - Protection circuit - Google Patents

Protection circuit

Info

Publication number
DE29615789U1
DE29615789U1 DE29615789U DE29615789U DE29615789U1 DE 29615789 U1 DE29615789 U1 DE 29615789U1 DE 29615789 U DE29615789 U DE 29615789U DE 29615789 U DE29615789 U DE 29615789U DE 29615789 U1 DE29615789 U1 DE 29615789U1
Authority
DE
Germany
Prior art keywords
protection circuit
protection
circuit
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 - Lifetime
Application number
DE29615789U
Other languages
German (de)
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE29615789U priority Critical patent/DE29615789U1/en
Publication of DE29615789U1 publication Critical patent/DE29615789U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
    • H04M1/745—Protection devices or circuits for voltages surges on the line
    • 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
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/08—Overvoltage arresters using spark gaps structurally associated with protected apparatus
DE29615789U 1996-09-10 1996-09-10 Protection circuit Expired - Lifetime DE29615789U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29615789U DE29615789U1 (en) 1996-09-10 1996-09-10 Protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29615789U DE29615789U1 (en) 1996-09-10 1996-09-10 Protection circuit

Publications (1)

Publication Number Publication Date
DE29615789U1 true DE29615789U1 (en) 1996-10-31

Family

ID=8029067

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29615789U Expired - Lifetime DE29615789U1 (en) 1996-09-10 1996-09-10 Protection circuit

Country Status (1)

Country Link
DE (1) DE29615789U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0917264A1 (en) * 1997-11-12 1999-05-19 Funai Electric Co., Ltd. Discharge gap device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586105A (en) * 1985-08-02 1986-04-29 General Motors Corporation High voltage protection device with a tape covered spark gap
DE4111682C1 (en) * 1991-04-10 1992-11-26 Phoenix Elektrizitaetsgesellschaft H. Knuemann Gmbh & Co Kg, 4933 Blomberg, De Transient overvoltage protection circuit for telecommunications appts. - uses triac with thyristor characteristic as fine protection element, and has low-resistance decoupling impedances

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586105A (en) * 1985-08-02 1986-04-29 General Motors Corporation High voltage protection device with a tape covered spark gap
DE4111682C1 (en) * 1991-04-10 1992-11-26 Phoenix Elektrizitaetsgesellschaft H. Knuemann Gmbh & Co Kg, 4933 Blomberg, De Transient overvoltage protection circuit for telecommunications appts. - uses triac with thyristor characteristic as fine protection element, and has low-resistance decoupling impedances

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
BELICH,Uwe: Überspannungsableiter. In: Unterrichtsblätter, Jg. 37, 1994, Nr. 10, S.340-347 *
SÄLTZER,Gerhard: Überspannungsschutz in der Fernmeldetechnik. In: Unterrichtsblätter, Jg. 33, 1980, Nr. 2, S.45-60 *
SAX,Herbert: "Protection-Arrays" schützen Datenbusse und Chips. In: Elektronik, H. 2, 1991, S.97-100 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0917264A1 (en) * 1997-11-12 1999-05-19 Funai Electric Co., Ltd. Discharge gap device

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19961212

R163 Identified publications notified

Effective date: 19970303

R150 Term of protection extended to 6 years

Effective date: 20000126

R151 Term of protection extended to 8 years

Effective date: 20021217

R152 Term of protection extended to 10 years

Effective date: 20050110

R071 Expiry of right