BE554822A - - Google Patents
Info
- Publication number
- BE554822A BE554822A BE554822DA BE554822A BE 554822 A BE554822 A BE 554822A BE 554822D A BE554822D A BE 554822DA BE 554822 A BE554822 A BE 554822A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/007—Sequential discharge tubes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
- Telephonic Communication Services (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4028/56A GB809605A (en) | 1956-02-09 | 1956-02-09 | Improvements in or relating to automatic telecommunication exchange equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE554822A true BE554822A (xx) |
Family
ID=9769361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE554822D BE554822A (xx) | 1956-02-09 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2954438A (xx) |
| BE (1) | BE554822A (xx) |
| CH (1) | CH359168A (xx) |
| GB (1) | GB809605A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL267227A (xx) * | 1960-07-21 | |||
| NL302440A (xx) * | 1963-02-01 | |||
| US3746795A (en) * | 1970-11-02 | 1973-07-17 | San Bar Electronics Corp | Long line adapter circuit usable with increased power supply |
-
0
- BE BE554822D patent/BE554822A/xx unknown
-
1956
- 1956-02-09 GB GB4028/56A patent/GB809605A/en not_active Expired
-
1957
- 1957-01-31 CH CH359168D patent/CH359168A/de unknown
- 1957-02-04 US US638088A patent/US2954438A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH359168A (de) | 1961-12-31 |
| GB809605A (en) | 1959-02-25 |
| US2954438A (en) | 1960-09-27 |