BE497403A - - Google Patents
Info
- Publication number
- BE497403A BE497403A BE497403DA BE497403A BE 497403 A BE497403 A BE 497403A BE 497403D A BE497403D A BE 497403DA BE 497403 A BE497403 A BE 497403A
- 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)
- Exchange Systems With Centralized Control (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Polarising Elements (AREA)
- Telephonic Communication Services (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Structure Of Telephone Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR868931X | 1949-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE497403A true BE497403A (US08088918-20120103-C00476.png) |
Family
ID=9346283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE497403D BE497403A (US08088918-20120103-C00476.png) | 1949-08-17 |
Country Status (6)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2774071A (en) * | 1949-12-24 | 1956-12-11 | Gen Dynamics Corp | Coincidence finding circuit |
| US2872518A (en) * | 1951-11-23 | 1959-02-03 | Gen Dynamics Corp | Party line telephone system |
| NL81824C (US08088918-20120103-C00476.png) * | 1953-03-12 | |||
| US2890284A (en) * | 1954-06-18 | 1959-06-09 | Siemens Edison Swan Ltd | Automatic telephone systems |
| BE545627A (US08088918-20120103-C00476.png) * | 1955-03-04 | |||
| US2830125A (en) * | 1955-03-04 | 1958-04-08 | Gen Dynamics Corp | Electronic switching system |
| DE1059971B (de) * | 1955-11-24 | 1959-06-25 | Josef Dirr | Schaltungsanordnung fuer Gruppenwaehler mit Schaltern als Waehler in Fernmelde-, insbesondere Selbstwaehlanlagen |
| NL256714A (US08088918-20120103-C00476.png) * | 1959-10-12 | |||
| DE1185248B (de) * | 1963-11-16 | 1965-01-14 | Telefunken Patent | Schaltungsanordnung fuer die Feststellung der Verkehrsberechtigung von Teilnehmerstellen in elektronisch gesteuerten Fernsprechnebenstellenanlagen |
| FR2967922B1 (fr) | 2010-11-26 | 2015-03-20 | Zodiac Pool Systems Inc | Appareil et procede de filtration de debris. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2333039A (en) * | 1941-03-24 | 1943-10-26 | Automatic Elect Lab | Telephone system |
| US2375514A (en) * | 1941-10-09 | 1945-05-08 | Automatic Elect Lab | Telephone system |
| US2520170A (en) * | 1945-11-14 | 1950-08-29 | Standard Telephones Cables Ltd | Pulse responsive circuit |
| US2524774A (en) * | 1946-02-04 | 1950-10-10 | Int Standard Electric Corp | Telephone system |
| US2619548A (en) * | 1948-05-15 | 1952-11-25 | Int Standard Electric Corp | Electronic switching apparatus for telephone systems |
-
0
- BE BE497403D patent/BE497403A/xx unknown
-
1949
- 1949-08-17 FR FR1004604D patent/FR1004604A/fr not_active Expired
-
1950
- 1950-01-13 GB GB922/50A patent/GB737866A/en not_active Expired
- 1950-01-13 GB GB27441/52A patent/GB737890A/en not_active Expired
- 1950-07-25 US US175704A patent/US2694751A/en not_active Expired - Lifetime
- 1950-08-13 DE DEI1722A patent/DE868931C/de not_active Expired
- 1950-08-17 CH CH300212D patent/CH300212A/fr unknown
- 1950-08-17 CH CH293821D patent/CH293821A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1004604A (fr) | 1952-04-01 |
| DE868931C (de) | 1953-03-02 |
| GB737890A (en) | 1955-10-05 |
| CH293821A (fr) | 1953-10-15 |
| CH300212A (fr) | 1954-07-15 |
| US2694751A (en) | 1954-11-16 |
| GB737866A (en) | 1955-10-05 |
