BE445114A - - Google Patents
Info
- Publication number
- BE445114A BE445114A BE445114DA BE445114A BE 445114 A BE445114 A BE 445114A BE 445114D A BE445114D A BE 445114DA BE 445114 A BE445114 A BE 445114A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Keying Circuit Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL2444065X | 1941-04-15 | ||
NL881538X | 1941-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE445114A true BE445114A (en) |
Family
ID=33100497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE445114D BE445114A (en) | 1941-04-15 |
Country Status (3)
Country | Link |
---|---|
US (1) | US2444065A (en) |
BE (1) | BE445114A (en) |
FR (1) | FR881538A (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2923919A (en) * | 1960-02-02 | Remote control circuit | ||
US2832834A (en) * | 1941-04-26 | 1958-04-29 | Nederlanden Staat | Signalling arrangement for telecommunication systems |
US2597007A (en) * | 1942-03-31 | 1952-05-20 | Int Standard Electric Corp | Common control circuit for operating switches rearward to calling line |
US2583014A (en) * | 1942-06-12 | 1952-01-22 | Int Standard Electric Corp | Automatic control of final selectors |
FR959077A (en) * | 1942-10-31 | 1950-03-23 | ||
US2584153A (en) * | 1945-09-14 | 1952-02-05 | Roelof M M Oberman | Zero voltage identification device for selector positioning |
US2648057A (en) * | 1946-07-16 | 1953-08-04 | Roelof M M Oberman | Circuit for obtaining electric bridge equilibrium |
NL78667C (en) * | 1948-04-20 | |||
US2654000A (en) * | 1948-05-20 | 1953-09-29 | Int Standard Electric Corp | Multipotential type register controller |
US2663760A (en) * | 1948-10-12 | 1953-12-22 | Hartford Nat Bank & Trust Co | Control device for use in automatic signaling systems |
US2591555A (en) * | 1949-05-25 | 1952-04-01 | Ncr Co | Indicator |
US2693504A (en) * | 1949-06-14 | 1954-11-02 | Hartford Nat Bank & Trust Co | Automatic signaling system |
US2697751A (en) * | 1949-06-14 | 1954-12-21 | Hartford Nat Bank & Trust Co | Circuit-arrangement for use in automatic signaling systems for selectively testing the values of identification resistances |
US2688659A (en) * | 1949-10-31 | 1954-09-07 | Hartford Nat Bank & Trust Co | Circuit-arrangement for use in automatic signaling systems for numerical adjustment of a switch by a selective marking method |
BE499228A (en) * | 1949-11-26 | |||
US2620385A (en) * | 1949-11-30 | 1952-12-02 | Specialties Dev Corp | Photoelectrically controlled system for detecting suspended matter in fluids |
BE514161A (en) * | 1951-12-13 | |||
US2821573A (en) * | 1953-07-24 | 1958-01-28 | Itt | Dual-switch finder combination |
US2869110A (en) * | 1954-08-09 | 1959-01-13 | Ingersoll Milling Machine Co | Remote control apparatus |
US3056126A (en) * | 1957-04-08 | 1962-09-25 | Gen Railway Signal Co | Indicator control system for a train describer |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1212554A (en) * | 1913-08-19 | 1917-01-16 | Charles Prache | Electrical control mechanism. |
US1669112A (en) * | 1924-09-15 | 1928-05-08 | Gen Electric | Supervisory control system |
GB266798A (en) * | 1925-11-26 | 1927-02-28 | Ian Miller Edington Aitken | Improvements in or relating to electric signalling systems |
US1736259A (en) * | 1927-07-14 | 1929-11-19 | A copabtnership consisting of charles a | |
US1952368A (en) * | 1927-08-06 | 1934-03-27 | John E Gardner | Selecting system |
US1982290A (en) * | 1927-12-24 | 1934-11-27 | John E Gardner | Selecting system |
US2032514A (en) * | 1935-06-01 | 1936-03-03 | American Telephone & Telegraph | Gas-filled tube and circuit therefor |
US2060184A (en) * | 1935-11-21 | 1936-11-10 | Bell Telephone Labor Inc | Telephone system |
US2323019A (en) * | 1936-09-26 | 1943-06-29 | Dohle Hinrich | Impulse sender |
US2279232A (en) * | 1939-01-23 | 1942-04-07 | Louis Letterman | Selective control apparatus |
US2333195A (en) * | 1939-04-04 | 1943-11-02 | Int Standard Electric Corp | Key pulsing sender for telephone systems |
-
0
- BE BE445114D patent/BE445114A/xx unknown
-
1942
- 1942-04-25 FR FR881538D patent/FR881538A/en not_active Expired
-
1943
- 1943-01-16 US US472614A patent/US2444065A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR881538A (en) | 1943-04-28 |
US2444065A (en) | 1948-06-29 |