BE524389A - - Google Patents
Info
- Publication number
- BE524389A BE524389A BE524389DA BE524389A BE 524389 A BE524389 A BE 524389A BE 524389D A BE524389D A BE 524389DA BE 524389 A BE524389 A BE 524389A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- 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
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/525—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using tubes in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL320599X | 1952-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE524389A true BE524389A (US06811534-20041102-M00003.png) |
Family
ID=19783977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE524389D BE524389A (US06811534-20041102-M00003.png) | 1952-11-20 |
Country Status (7)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1504592A (fr) * | 1966-09-13 | 1967-12-08 | Cie I B M France | Dispositif de commande de sonnerie applicable notamment aux systèmes de téléphonie automatique |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2425307A (en) * | 1942-09-16 | 1947-08-12 | Ncr Co | Communication system |
| US2470716A (en) * | 1943-06-11 | 1949-05-17 | Research Corp | Electronic counting system |
| FR956899A (US06811534-20041102-M00003.png) * | 1946-10-30 | 1950-02-09 | ||
| US2649502A (en) * | 1949-03-04 | 1953-08-18 | Int Standard Electric Corp | Electrical circuits employing gaseous discharge tubes |
| US2623108A (en) * | 1950-08-31 | 1952-12-23 | Bell Telephone Labor Inc | Fault signaling system |
| BE507510A (US06811534-20041102-M00003.png) * | 1950-12-02 | |||
| GB698538A (en) * | 1951-03-28 | 1953-10-14 | Philips Electrical Ind Ltd | Improvements in or relating to circuit-arrangements for energizing relays |
-
0
- BE BE524389D patent/BE524389A/xx unknown
- NL NL82895D patent/NL82895C/xx active
-
1953
- 1953-11-05 US US390310A patent/US2812384A/en not_active Expired - Lifetime
- 1953-11-17 GB GB31862/53A patent/GB745026A/en not_active Expired
- 1953-11-18 CH CH320599D patent/CH320599A/de unknown
- 1953-11-19 FR FR1090863D patent/FR1090863A/fr not_active Expired
- 1953-11-19 DE DEN8049A patent/DE952276C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2812384A (en) | 1957-11-05 |
| FR1090863A (fr) | 1955-04-05 |
| CH320599A (de) | 1957-03-31 |
| DE952276C (de) | 1956-11-15 |
| NL82895C (US06811534-20041102-M00003.png) | |
| GB745026A (en) | 1956-02-15 |
