CH479215A - Installation de sélection pour centre de commutation - Google Patents
Installation de sélection pour centre de commutationInfo
- Publication number
- CH479215A CH479215A CH381668A CH381668A CH479215A CH 479215 A CH479215 A CH 479215A CH 381668 A CH381668 A CH 381668A CH 381668 A CH381668 A CH 381668A CH 479215 A CH479215 A CH 479215A
- Authority
- CH
- Switzerland
- Prior art keywords
- switching center
- center selection
- selection plant
- plant
- switching
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR98472A FR1525156A (fr) | 1967-03-13 | 1967-03-13 | Perfectionnements aux systèmes de sélection pour circuits ou équipements électriques |
Publications (1)
Publication Number | Publication Date |
---|---|
CH479215A true CH479215A (fr) | 1969-09-30 |
Family
ID=8626801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH381668A CH479215A (fr) | 1967-03-13 | 1968-03-13 | Installation de sélection pour centre de commutation |
Country Status (9)
Country | Link |
---|---|
US (1) | US3562437A (fr) |
JP (1) | JPS5220804B1 (fr) |
BE (1) | BE711972A (fr) |
CH (1) | CH479215A (fr) |
DE (1) | DE1562228C3 (fr) |
ES (1) | ES351509A1 (fr) |
FR (1) | FR1525156A (fr) |
GB (1) | GB1155685A (fr) |
NL (1) | NL6803588A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7802422A (nl) * | 1978-03-06 | 1979-09-10 | Philips Nv | Inrichting voor het meten van de lijnconditie van een abonneelijnstroomloop met behulp van een meetweerstand. |
NL7802421A (nl) * | 1978-03-06 | 1979-09-10 | Philips Nv | Voedingsschakeling voor een abonneelijnstroom- loop. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3231680A (en) * | 1961-07-26 | 1966-01-25 | Nippon Electric Co | Automatic telephone switching system |
GB1052556A (fr) * | 1963-06-04 |
-
1967
- 1967-03-13 FR FR98472A patent/FR1525156A/fr not_active Expired
-
1968
- 1968-03-02 DE DE1562228A patent/DE1562228C3/de not_active Expired
- 1968-03-07 GB GB01151/68A patent/GB1155685A/en not_active Expired
- 1968-03-08 US US711580A patent/US3562437A/en not_active Expired - Lifetime
- 1968-03-11 BE BE711972D patent/BE711972A/xx unknown
- 1968-03-12 ES ES351509A patent/ES351509A1/es not_active Expired
- 1968-03-13 NL NL6803588A patent/NL6803588A/xx not_active Application Discontinuation
- 1968-03-13 JP JP43015926A patent/JPS5220804B1/ja active Pending
- 1968-03-13 CH CH381668A patent/CH479215A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL6803588A (fr) | 1968-09-16 |
BE711972A (fr) | 1968-09-11 |
ES351509A1 (es) | 1969-12-01 |
DE1562228A1 (de) | 1970-03-26 |
DE1562228B2 (de) | 1974-02-07 |
DE1562228C3 (de) | 1974-08-29 |
JPS5220804B1 (fr) | 1977-06-06 |
US3562437A (en) | 1971-02-09 |
FR1525156A (fr) | 1968-05-17 |
GB1155685A (en) | 1969-06-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |