BE465763A - - Google Patents
Info
- Publication number
- BE465763A BE465763A BE465763DA BE465763A BE 465763 A BE465763 A BE 465763A BE 465763D A BE465763D A BE 465763DA BE 465763 A BE465763 A BE 465763A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US597778A US2508644A (en) | 1945-06-06 | 1945-06-06 | Telephone call intercepting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE465763A true BE465763A (xx) |
Family
ID=24392886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE465763D BE465763A (xx) | 1945-06-06 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2508644A (xx) |
| BE (1) | BE465763A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2710893A (en) * | 1951-03-27 | 1955-06-14 | Itt | Automatic telephone system and translator therefor |
| US2751434A (en) * | 1953-11-18 | 1956-06-19 | Automatic Elect Lab | Automatic telephone systems provided with party lines |
| US2888519A (en) * | 1954-07-09 | 1959-05-26 | Itt | Code-ringing call-intercepting telephone system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1463271A (en) * | 1923-07-31 | martin | ||
| US1070726A (en) * | 1907-02-04 | 1913-08-19 | Arthur F Poole | Harmonic selective telephone system. |
| US1889466A (en) * | 1930-07-26 | 1932-11-29 | Ericsson Telefon Ab L M | Telephone plant |
| US1969376A (en) * | 1933-11-13 | 1934-08-07 | Leich Electric Co | Harmonic converter circuit |
| US2236797A (en) * | 1937-08-02 | 1941-04-01 | Fides Gmbh | Telephone system |
| US2285282A (en) * | 1940-11-16 | 1942-06-02 | Associated Electric Lab Inc | Telephone system |
| US2320885A (en) * | 1941-03-21 | 1943-06-01 | Stromberg Carlson Telephone | Signaling system |
| US2344634A (en) * | 1942-01-08 | 1944-03-21 | Stromberg Carlson Telephone | Telephone intercept system |
-
0
- BE BE465763D patent/BE465763A/xx unknown
-
1945
- 1945-06-06 US US597778A patent/US2508644A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2508644A (en) | 1950-05-23 |