LU71384A1 - - Google Patents
Info
- Publication number
- LU71384A1 LU71384A1 LU71384A LU71384A LU71384A1 LU 71384 A1 LU71384 A1 LU 71384A1 LU 71384 A LU71384 A LU 71384A LU 71384 A LU71384 A LU 71384A LU 71384 A1 LU71384 A1 LU 71384A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732359829 DE2359829C3 (de) | 1973-11-30 | Schaltungsanordnung zur Gleichzeitigkeitsfeststellung vor Übertragung von zu bewertenden Kennziffern zum Wahlbewertungsfeld einer Fernsprechanlage, insbesondere Fernsprechnebenstellenanlage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU71384A1 true LU71384A1 (https=) | 1975-06-11 |
Family
ID=5899572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU71384A LU71384A1 (https=) | 1973-11-30 | 1974-11-28 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3970800A (https=) |
| AT (1) | AT336088B (https=) |
| BE (1) | BE822784A (https=) |
| CH (1) | CH584491A5 (https=) |
| DK (1) | DK140778B (https=) |
| FR (1) | FR2253337B1 (https=) |
| GB (1) | GB1483745A (https=) |
| IT (1) | IT1026607B (https=) |
| LU (1) | LU71384A1 (https=) |
| NL (1) | NL7415298A (https=) |
| SE (1) | SE395812B (https=) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3626106A (en) * | 1969-08-27 | 1971-12-07 | Clarence A Greening | Apparatus and method for the selective ringing of telephones |
-
1974
- 1974-10-25 AT AT860074A patent/AT336088B/de not_active IP Right Cessation
- 1974-11-08 CH CH1495074A patent/CH584491A5/xx not_active IP Right Cessation
- 1974-11-22 NL NL7415298A patent/NL7415298A/xx unknown
- 1974-11-25 GB GB50910/74A patent/GB1483745A/en not_active Expired
- 1974-11-28 IT IT29944/74A patent/IT1026607B/it active
- 1974-11-28 DK DK618174AA patent/DK140778B/da unknown
- 1974-11-28 LU LU71384A patent/LU71384A1/xx unknown
- 1974-11-29 BE BE151014A patent/BE822784A/xx not_active IP Right Cessation
- 1974-11-29 US US05/528,556 patent/US3970800A/en not_active Expired - Lifetime
- 1974-11-29 FR FR7439107A patent/FR2253337B1/fr not_active Expired
- 1974-11-29 SE SE4715018A patent/SE395812B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK140778C (https=) | 1980-04-14 |
| ATA860074A (de) | 1976-08-15 |
| BE822784A (fr) | 1975-05-29 |
| FR2253337B1 (https=) | 1980-03-21 |
| SE7415018L (https=) | 1975-05-02 |
| DK618174A (https=) | 1975-07-14 |
| CH584491A5 (https=) | 1977-01-31 |
| GB1483745A (en) | 1977-08-24 |
| FR2253337A1 (https=) | 1975-06-27 |
| DK140778B (da) | 1979-11-12 |
| SE395812B (sv) | 1977-08-22 |
| NL7415298A (nl) | 1975-06-03 |
| IT1026607B (it) | 1978-10-20 |
| US3970800A (en) | 1976-07-20 |
| DE2359829B2 (de) | 1975-09-18 |
| DE2359829A1 (de) | 1975-06-12 |
| AT336088B (de) | 1977-04-12 |