NL7709578A - Telefoonlijnschakeling. - Google Patents
Telefoonlijnschakeling.Info
- Publication number
- NL7709578A NL7709578A NL7709578A NL7709578A NL7709578A NL 7709578 A NL7709578 A NL 7709578A NL 7709578 A NL7709578 A NL 7709578A NL 7709578 A NL7709578 A NL 7709578A NL 7709578 A NL7709578 A NL 7709578A
- Authority
- NL
- Netherlands
- Prior art keywords
- telephone line
- line switch
- switch
- telephone
- line
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7626614A FR2363952A1 (fr) | 1976-09-03 | 1976-09-03 | Circuit de ligne telephonique |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7709578A true NL7709578A (nl) | 1978-03-07 |
Family
ID=9177355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7709578A NL7709578A (nl) | 1976-09-03 | 1977-08-31 | Telefoonlijnschakeling. |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5332605A (nl) |
BE (1) | BE858262A (nl) |
DE (1) | DE2739718A1 (nl) |
FR (1) | FR2363952A1 (nl) |
GB (1) | GB1530089A (nl) |
IT (1) | IT1084094B (nl) |
NL (1) | NL7709578A (nl) |
SE (1) | SE7709758L (nl) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5531358A (en) * | 1978-08-28 | 1980-03-05 | Nec Corp | Subscriber circuit |
JPS5537046A (en) * | 1978-09-06 | 1980-03-14 | Nec Corp | Subscriber's circuit |
FR2437123A1 (fr) * | 1978-09-19 | 1980-04-18 | Thomson Ericsson Telephones So | Nouveau dispositif d'alimentation electronique |
NL7810086A (nl) * | 1978-10-06 | 1980-04-09 | Philips Nv | Voedingsbrug voor een abonneestroomloop. |
JPS5593392A (en) * | 1979-01-10 | 1980-07-15 | Nec Corp | Subscriber circuit |
NL7904159A (nl) * | 1979-05-28 | 1980-12-02 | Philips Nv | Inrichting voor het toevoeren van signalen aan een telefoonlijn. |
-
1976
- 1976-09-03 FR FR7626614A patent/FR2363952A1/fr active Granted
-
1977
- 1977-08-31 NL NL7709578A patent/NL7709578A/nl not_active Application Discontinuation
- 1977-08-31 GB GB36417/77A patent/GB1530089A/en not_active Expired
- 1977-08-31 IT IT50829/77A patent/IT1084094B/it active
- 1977-08-31 BE BE180557A patent/BE858262A/xx unknown
- 1977-08-31 SE SE7709758A patent/SE7709758L/xx unknown
- 1977-09-02 DE DE19772739718 patent/DE2739718A1/de active Pending
- 1977-09-02 JP JP10598077A patent/JPS5332605A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2363952B1 (nl) | 1981-09-25 |
DE2739718A1 (de) | 1978-03-09 |
GB1530089A (en) | 1978-10-25 |
JPS5332605A (en) | 1978-03-28 |
BE858262A (fr) | 1977-12-16 |
SE7709758L (sv) | 1978-03-04 |
IT1084094B (it) | 1985-05-25 |
FR2363952A1 (fr) | 1978-03-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |