BE547676A - - Google Patents
Info
- Publication number
- BE547676A BE547676A BE547676DA BE547676A BE 547676 A BE547676 A BE 547676A BE 547676D A BE547676D A BE 547676DA BE 547676 A BE547676 A BE 547676A
- Authority
- BE
- Belgium
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)
- Telephonic Communication Services (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE547676X | 1955-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE547676A true BE547676A (en:Method) |
Family
ID=20336806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE547676D BE547676A (en:Method) | 1955-05-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2871299A (en:Method) |
| BE (1) | BE547676A (en:Method) |
| DE (1) | DE1036938B (en:Method) |
| FR (1) | FR1153914A (en:Method) |
| GB (1) | GB785523A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3904831A (en) * | 1974-01-09 | 1975-09-09 | Stromberg Carlson Corp | Tone control arrangement for electronic PABX |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2594726A (en) * | 1945-06-28 | 1952-04-29 | Automatic Elect Lab | Signal control circuit for telephone switching equipment |
| US2535675A (en) * | 1948-10-29 | 1950-12-26 | Bell Telephone Labor Inc | Ringing control circuit |
| BE506244A (en:Method) * | 1950-10-06 | |||
| BE507135A (en:Method) * | 1950-11-16 |
-
0
- BE BE547676D patent/BE547676A/xx unknown
-
1956
- 1956-05-02 US US582220A patent/US2871299A/en not_active Expired - Lifetime
- 1956-05-04 DE DET12177A patent/DE1036938B/de active Pending
- 1956-05-09 GB GB14491/56A patent/GB785523A/en not_active Expired
- 1956-05-18 FR FR1153914D patent/FR1153914A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB785523A (en) | 1957-10-30 |
| DE1036938B (de) | 1958-08-21 |
| FR1153914A (fr) | 1958-03-28 |
| US2871299A (en) | 1959-01-27 |