NL8001135A - Lijnonderbrekingsinrichting. - Google Patents
Lijnonderbrekingsinrichting. Download PDFInfo
- Publication number
- NL8001135A NL8001135A NL8001135A NL8001135A NL8001135A NL 8001135 A NL8001135 A NL 8001135A NL 8001135 A NL8001135 A NL 8001135A NL 8001135 A NL8001135 A NL 8001135A NL 8001135 A NL8001135 A NL 8001135A
- Authority
- NL
- Netherlands
- Prior art keywords
- switching element
- line
- semiconductor switching
- control
- circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
- H04M1/312—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses pulses produced by electronic circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8001135A NL8001135A (nl) | 1980-02-26 | 1980-02-26 | Lijnonderbrekingsinrichting. |
EP81200116A EP0034843B1 (fr) | 1980-02-26 | 1981-02-02 | Dispositif de coupure de ligne |
DE8181200116T DE3165468D1 (en) | 1980-02-26 | 1981-02-02 | Line interruption arrangement |
US06/234,087 US4390753A (en) | 1980-02-26 | 1981-02-13 | Line interruption arrangement |
CA000371280A CA1163388A (fr) | 1980-02-26 | 1981-02-19 | Dispositif de coupure de ligne |
JP56025027A JPS5953747B2 (ja) | 1980-02-26 | 1981-02-24 | 線路インタラプシヨン装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8001135 | 1980-02-26 | ||
NL8001135A NL8001135A (nl) | 1980-02-26 | 1980-02-26 | Lijnonderbrekingsinrichting. |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8001135A true NL8001135A (nl) | 1981-09-16 |
Family
ID=19834889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8001135A NL8001135A (nl) | 1980-02-26 | 1980-02-26 | Lijnonderbrekingsinrichting. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4390753A (fr) |
EP (1) | EP0034843B1 (fr) |
JP (1) | JPS5953747B2 (fr) |
CA (1) | CA1163388A (fr) |
DE (1) | DE3165468D1 (fr) |
NL (1) | NL8001135A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2555004A1 (fr) * | 1983-11-14 | 1985-05-17 | Radiotechnique Compelec | Dispositif pour effectuer une ouverture de boucle d'une duree calibree a partir d'un poste telephonique |
KR940011757B1 (ko) * | 1985-07-18 | 1994-12-23 | 알카텔 엔. 브이. | 전화 라인 스위치 |
AU580679B2 (en) * | 1985-07-18 | 1989-01-27 | Alcatel Australia Limited | A telephone line switch |
WO1987000717A1 (fr) * | 1985-07-18 | 1987-01-29 | International Standard Electric Corporation | Commutateur de lignes telephoniques |
DE3840434A1 (de) * | 1988-12-01 | 1990-06-07 | Philips Patentverwaltung | Schaltungsanordnung fuer uebertragungseinrichtungen |
US8946779B2 (en) * | 2013-02-26 | 2015-02-03 | Freescale Semiconductor, Inc. | MISHFET and Schottky device integration |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2216099A1 (de) * | 1972-04-01 | 1973-10-04 | Telefonbau & Normalzeit Gmbh | Schaltungsanordnung zur elektronischen waehlzeichenstromstossgabe in fernmeldeanlagen |
US3906167A (en) * | 1973-07-17 | 1975-09-16 | Thaddeous J Baker | Constant current powered telephone circuits |
SE386341B (sv) * | 1974-03-29 | 1976-08-02 | Ericsson Telefon Ab L M | Kopplingsanordning vid en telefonapparat innefattande en likspenningsomvandlare. |
US4008380A (en) * | 1975-06-30 | 1977-02-15 | Rood Tool Co. | Telephone conversion unit with multiple memory system |
DE2742623A1 (de) * | 1977-09-22 | 1979-04-05 | Deutsche Fernsprecher Gmbh | Tastenwahlschaltungsanordnung zur impulswahl bei fernsprechanlagen |
US4306119A (en) * | 1980-07-03 | 1981-12-15 | Bell Telephone Laboratories, Incorporated | Telephone outpulsing circuit |
-
1980
- 1980-02-26 NL NL8001135A patent/NL8001135A/nl not_active Application Discontinuation
-
1981
- 1981-02-02 DE DE8181200116T patent/DE3165468D1/de not_active Expired
- 1981-02-02 EP EP81200116A patent/EP0034843B1/fr not_active Expired
- 1981-02-13 US US06/234,087 patent/US4390753A/en not_active Expired - Fee Related
- 1981-02-19 CA CA000371280A patent/CA1163388A/fr not_active Expired
- 1981-02-24 JP JP56025027A patent/JPS5953747B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS56132846A (en) | 1981-10-17 |
DE3165468D1 (en) | 1984-09-20 |
JPS5953747B2 (ja) | 1984-12-26 |
CA1163388A (fr) | 1984-03-06 |
EP0034843A2 (fr) | 1981-09-02 |
EP0034843B1 (fr) | 1984-08-15 |
EP0034843A3 (en) | 1981-09-16 |
US4390753A (en) | 1983-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |