BE536834A - - Google Patents
Info
- Publication number
- BE536834A BE536834A BE536834DA BE536834A BE 536834 A BE536834 A BE 536834A BE 536834D A BE536834D A BE 536834DA BE 536834 A BE536834 A BE 536834A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
- Meter Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8964/54A GB783691A (en) | 1954-03-26 | 1954-03-26 | Improvements in or relating to telephone or like systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE536834A true BE536834A (pt) |
Family
ID=9862697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE536834D BE536834A (pt) | 1954-03-26 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2887538A (pt) |
| BE (1) | BE536834A (pt) |
| DE (1) | DE974943C (pt) |
| FR (1) | FR1127001A (pt) |
| GB (2) | GB783692A (pt) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2298519A (en) * | 1940-06-21 | 1942-10-13 | Bell Telephone Labor Inc | Telephone system |
| BE498945A (pt) * | 1949-10-26 | |||
| NL163823B (nl) * | 1950-09-07 | West Laboratories Inc | Werkwijze voor het bereiden van een laagschuimend reinigingsmiddel. | |
| US2675427A (en) * | 1951-12-21 | 1954-04-13 | Bell Telephone Labor Inc | Electrostatic scanning mechanism for scanning both tips and rings of calling lines and combining the results of these scanning operations |
-
0
- BE BE536834D patent/BE536834A/xx unknown
-
1954
- 1954-03-26 GB GB39514/56A patent/GB783692A/en not_active Expired
- 1954-03-26 GB GB8964/54A patent/GB783691A/en not_active Expired
-
1955
- 1955-03-24 US US496577A patent/US2887538A/en not_active Expired - Lifetime
- 1955-03-25 FR FR1127001D patent/FR1127001A/fr not_active Expired
- 1955-03-27 DE DEB35060A patent/DE974943C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB783692A (en) | 1957-09-25 |
| GB783691A (en) | 1957-09-25 |
| US2887538A (en) | 1959-05-19 |
| FR1127001A (fr) | 1956-12-06 |
| DE974943C (de) | 1961-06-08 |