GB1574078A - Voltage-limiting circuit - Google Patents
Voltage-limiting circuit Download PDFInfo
- Publication number
- GB1574078A GB1574078A GB41646/77A GB4164677A GB1574078A GB 1574078 A GB1574078 A GB 1574078A GB 41646/77 A GB41646/77 A GB 41646/77A GB 4164677 A GB4164677 A GB 4164677A GB 1574078 A GB1574078 A GB 1574078A
- Authority
- GB
- United Kingdom
- Prior art keywords
- path
- diodes
- circuit
- transistor
- voltage
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/30—Modifications for providing a predetermined threshold before switching
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Bipolar Integrated Circuits (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2654419A DE2654419C2 (de) | 1976-12-01 | 1976-12-01 | Schaltungsanordnung zur Spannungsbegrenzung |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1574078A true GB1574078A (en) | 1980-09-03 |
Family
ID=5994391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB41646/77A Expired GB1574078A (en) | 1976-12-01 | 1977-10-06 | Voltage-limiting circuit |
Country Status (11)
Country | Link |
---|---|
AT (1) | AT356187B (fr) |
AU (1) | AU2901477A (fr) |
BE (1) | BE861307A (fr) |
CA (1) | CA1083667A (fr) |
DE (1) | DE2654419C2 (fr) |
FR (1) | FR2373181A1 (fr) |
GB (1) | GB1574078A (fr) |
GR (1) | GR59256B (fr) |
IT (1) | IT1090802B (fr) |
NL (1) | NL7708817A (fr) |
SE (1) | SE421094B (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2121249A (en) * | 1982-05-27 | 1983-12-14 | Xicor Inc | Integrated circuit high voltage clamping system |
WO1987000717A1 (fr) * | 1985-07-18 | 1987-01-29 | International Standard Electric Corporation | Commutateur de lignes telephoniques |
GB2187363A (en) * | 1985-07-18 | 1987-09-03 | Int Standard Electric Corp | A telephone line switch |
GB2206749A (en) * | 1987-07-08 | 1989-01-11 | Sealand Ind Co Ltd | A voltage adaptor |
AU580679B2 (en) * | 1985-07-18 | 1989-01-27 | Alcatel Australia Limited | A telephone line switch |
GB2307364A (en) * | 1995-11-20 | 1997-05-21 | Sony Corp | Voltage clamp circuit; non-contact type information card |
US7768753B2 (en) | 2006-05-10 | 2010-08-03 | Austriamicrosystems Ag | Circuit arrangement for protection against electrostatic discharges and method for diverting electrostatic discharges |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2843213C2 (de) * | 1978-10-04 | 1984-03-29 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zur Spannungsbegrenzung |
SE426002B (sv) * | 1980-12-23 | 1982-11-29 | Ellemtel Utvecklings Ab | Anordning for skydd av en krets i en telekommunikationsutrustning mot overspenningar |
FR2512598A1 (fr) * | 1981-09-09 | 1983-03-11 | Texas Instruments France | Circuit pour proteger un circuit integre contre les surtensions |
DE3301800A1 (de) * | 1983-01-20 | 1984-08-23 | Siemens AG, 1000 Berlin und 8000 München | Integrierbare schutzschaltung |
DE3338124A1 (de) * | 1983-10-20 | 1985-05-02 | Telefunken electronic GmbH, 7100 Heilbronn | Stoerschutzschaltung fuer integrierte schaltungen |
JPH02280621A (ja) * | 1989-03-16 | 1990-11-16 | Siemens Ag | トランジスタ回路 |
JPH02280622A (ja) * | 1989-03-16 | 1990-11-16 | Siemens Ag | トランジスタ回路 |
EP0677925B1 (fr) * | 1994-04-12 | 1998-10-07 | STMicroelectronics S.r.l. | Dispositif électronique de puissance à porte isolée à trois bornes avec une caractéristique de saturation de sortie à pente variable fonction discontinue du courant de sortie |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1538440B2 (de) * | 1966-11-23 | 1972-03-16 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Schaltungsanordnung zur gleichspannungsstabilisierung nach art einer z diode |
FR1575884A (fr) * | 1968-06-11 | 1969-07-25 | ||
US3610948A (en) * | 1969-10-23 | 1971-10-05 | Bell Telephone Labor Inc | Current-switching detector |
DE2216092B2 (de) * | 1972-04-01 | 1975-10-09 | Semikron Gesellschaft Fuer Gleichrichterbau Und Elektronik Mbh, 8500 Nuernberg | Schaltungsanordnung zur Überspannungsbegrenzung mit einem Selen-Uberspannungsbegrenzer |
US3846696A (en) * | 1973-07-20 | 1974-11-05 | Rca Corp | Current attenuator |
-
1976
- 1976-12-01 DE DE2654419A patent/DE2654419C2/de not_active Expired
-
1977
- 1977-08-10 NL NL7708817A patent/NL7708817A/xx not_active Application Discontinuation
- 1977-09-21 GR GR54403A patent/GR59256B/el unknown
- 1977-09-22 AU AU29014/77A patent/AU2901477A/en active Pending
- 1977-10-04 AT AT705077A patent/AT356187B/de not_active IP Right Cessation
- 1977-10-06 GB GB41646/77A patent/GB1574078A/en not_active Expired
- 1977-11-22 SE SE7713151A patent/SE421094B/sv unknown
- 1977-11-29 BE BE183017A patent/BE861307A/fr not_active IP Right Cessation
- 1977-11-30 CA CA292,047A patent/CA1083667A/fr not_active Expired
- 1977-11-30 FR FR7736056A patent/FR2373181A1/fr active Pending
- 1977-11-30 IT IT52014/77A patent/IT1090802B/it active
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2121249A (en) * | 1982-05-27 | 1983-12-14 | Xicor Inc | Integrated circuit high voltage clamping system |
WO1987000717A1 (fr) * | 1985-07-18 | 1987-01-29 | International Standard Electric Corporation | Commutateur de lignes telephoniques |
GB2187363A (en) * | 1985-07-18 | 1987-09-03 | Int Standard Electric Corp | A telephone line switch |
AU580679B2 (en) * | 1985-07-18 | 1989-01-27 | Alcatel Australia Limited | A telephone line switch |
US4815126A (en) * | 1985-07-18 | 1989-03-21 | Alcatel N.V. | Telephone line switch |
GB2187363B (en) * | 1985-07-18 | 1989-08-02 | Int Standard Electric Corp | A telephone line switch |
GB2206749A (en) * | 1987-07-08 | 1989-01-11 | Sealand Ind Co Ltd | A voltage adaptor |
GB2307364A (en) * | 1995-11-20 | 1997-05-21 | Sony Corp | Voltage clamp circuit; non-contact type information card |
GB2307364B (en) * | 1995-11-20 | 2000-08-23 | Sony Corp | Clamp circuit and non-contact type information card |
US7768753B2 (en) | 2006-05-10 | 2010-08-03 | Austriamicrosystems Ag | Circuit arrangement for protection against electrostatic discharges and method for diverting electrostatic discharges |
Also Published As
Publication number | Publication date |
---|---|
SE7713151L (sv) | 1978-06-02 |
SE421094B (sv) | 1981-11-23 |
DE2654419C2 (de) | 1983-06-09 |
CA1083667A (fr) | 1980-08-12 |
ATA705077A (de) | 1979-09-15 |
AU2901477A (en) | 1979-03-29 |
GR59256B (en) | 1977-12-03 |
NL7708817A (nl) | 1978-06-05 |
BE861307A (fr) | 1978-03-16 |
AT356187B (de) | 1980-04-10 |
FR2373181A1 (fr) | 1978-06-30 |
IT1090802B (it) | 1985-06-26 |
DE2654419A1 (de) | 1978-06-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4533970A (en) | Series current limiter | |
US3934175A (en) | Power surge protection system | |
EP0338107B1 (fr) | Circuit de protection de surtension utilisé avec une paire de lignes de téléphone ou de lignes de communication de données similaires | |
GB1574078A (en) | Voltage-limiting circuit | |
JPH0237234Y2 (fr) | ||
EP0651490B1 (fr) | Circuit de protection contre les surtensions | |
GB2091521A (en) | Telephone subscriber's line circuit with overvoltage protection | |
US4727571A (en) | Circuit for surge voltage protection in electronic telephone stations | |
US6172864B1 (en) | Protection against overvoltages of an interface of telephone lines | |
US9722419B2 (en) | Electrostatic discharge protection | |
US20020075619A1 (en) | Overvoltage protection circuit` | |
SE440574B (sv) | Overspenningsskydd | |
US4439802A (en) | Overvoltage guard for electronic circuits | |
EP0388022A2 (fr) | Composant semi-conducteur de protection contre les courants de surcharge | |
JP2015211602A (ja) | サージプロテクタ | |
US3423635A (en) | Railroad track or line circuit surge protectors | |
US4947426A (en) | Telephone protection circuit | |
US4323792A (en) | Two terminal circuitry for voltage limitation | |
DE2541942C3 (de) | Schaltungsanordnung zum Schutz von Teilnehmerstationen mit Wähleinrichtungen in Fernmelde-, insbesondere Fernsprechanlagen gegen Überspannungen | |
US7019953B2 (en) | Voltage protection circuit | |
JPH0222607B2 (fr) | ||
CN116826660A (zh) | 一种浪涌保护电路及系统 | |
JPH0620351B2 (ja) | サ−ジ保護回路 | |
AU7300887A (en) | Telephone protection circuit | |
JPH0255524A (ja) | 通信機器の防護回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |