BE554136A - - Google Patents
Info
- Publication number
- BE554136A BE554136A BE554136DA BE554136A BE 554136 A BE554136 A BE 554136A BE 554136D A BE554136D A BE 554136DA BE 554136 A BE554136 A BE 554136A
- Authority
- BE
- Belgium
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)
- Exchange Systems With Centralized Control (AREA)
- Structure Of Telephone Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB16334/41A GB554136A (en) | 1941-12-18 | 1941-12-18 | Improvements in or relating to telephone systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE554136A true BE554136A (US07816562-20101019-C00012.png) |
Family
ID=10075412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE554136D BE554136A (US07816562-20101019-C00012.png) | 1941-12-18 |
Country Status (5)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3176080A (en) * | 1959-12-11 | 1965-03-30 | Gen Dynamies Corp | Night answering and transfer of trunk calls |
| DE1135055B (de) * | 1961-03-07 | 1962-08-23 | Standard Elektrik Lorenz Ag | Schaltungsanordnung zur Berechtigungskennzeichnung in Fernsprech-Nebenstellenanlagen |
| BE622308A (US07816562-20101019-C00012.png) * | 1961-09-11 |
-
0
- NL NL62663D patent/NL62663C/xx active
- BE BE554136D patent/BE554136A/xx unknown
-
1941
- 1941-12-18 GB GB16334/41A patent/GB554136A/en not_active Expired
-
1942
- 1942-10-15 US US462082A patent/US2358185A/en not_active Expired - Lifetime
-
1946
- 1946-09-03 FR FR933193D patent/FR933193A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2358185A (en) | 1944-09-12 |
| NL62663C (US07816562-20101019-C00012.png) | |
| FR933193A (fr) | 1948-04-13 |
| GB554136A (en) | 1943-06-22 |
