DK142098B - Kredsløbsarrangement til tidskalibreret strømafbrydelse i telefonabonnent-liniesløjfer eller lignende. - Google Patents
Kredsløbsarrangement til tidskalibreret strømafbrydelse i telefonabonnent-liniesløjfer eller lignende. Download PDFInfo
- Publication number
- DK142098B DK142098B DK220577A DK220577A DK142098B DK 142098 B DK142098 B DK 142098B DK 220577 A DK220577 A DK 220577A DK 220577 A DK220577 A DK 220577A DK 142098 B DK142098 B DK 142098B
- Authority
- DK
- Denmark
- Prior art keywords
- relay
- time
- control
- capacitor
- current
- 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
- H04M1/53—Generation of additional signals, e.g. additional pulses
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK220577A DK142098B (da) | 1977-05-20 | 1977-05-20 | Kredsløbsarrangement til tidskalibreret strømafbrydelse i telefonabonnent-liniesløjfer eller lignende. |
GB1843978A GB1554837A (en) | 1977-05-20 | 1978-05-09 | Circuit arrangement for timed loop interruption |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK220577 | 1977-05-20 | ||
DK220577A DK142098B (da) | 1977-05-20 | 1977-05-20 | Kredsløbsarrangement til tidskalibreret strømafbrydelse i telefonabonnent-liniesløjfer eller lignende. |
Publications (3)
Publication Number | Publication Date |
---|---|
DK220577A DK220577A (US06373033-20020416-M00002.png) | 1978-11-21 |
DK142098B true DK142098B (da) | 1980-08-25 |
DK142098C DK142098C (US06373033-20020416-M00002.png) | 1981-01-26 |
Family
ID=8110779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK220577A DK142098B (da) | 1977-05-20 | 1977-05-20 | Kredsløbsarrangement til tidskalibreret strømafbrydelse i telefonabonnent-liniesløjfer eller lignende. |
Country Status (2)
Country | Link |
---|---|
DK (1) | DK142098B (US06373033-20020416-M00002.png) |
GB (1) | GB1554837A (US06373033-20020416-M00002.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI103161B (fi) * | 1997-09-09 | 1999-04-30 | Nokia Telecommunications Oy | Menetelmä rekisterin uudelleenkutsun suodatusaikojen määrittämiseksi t ietoliikennejärjestelmässä V5-liitännän yhteydessä eri kansallisissa s ovituksissa |
-
1977
- 1977-05-20 DK DK220577A patent/DK142098B/da not_active IP Right Cessation
-
1978
- 1978-05-09 GB GB1843978A patent/GB1554837A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DK142098C (US06373033-20020416-M00002.png) | 1981-01-26 |
DK220577A (US06373033-20020416-M00002.png) | 1978-11-21 |
GB1554837A (en) | 1979-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |