BE427127A - - Google Patents
Info
- Publication number
- BE427127A BE427127A BE427127DA BE427127A BE 427127 A BE427127 A BE 427127A BE 427127D A BE427127D A BE 427127DA BE 427127 A BE427127 A BE 427127A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
- H04L15/24—Apparatus or circuits at the receiving end
- H04L15/26—Apparatus or circuits at the receiving end operating only on reception of predetermined code signals, e.g. distress signals, party-line call signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US132551A US2235804A (en) | 1937-03-23 | 1937-03-23 | Automatic signal responsive device |
| FR835653T | 1938-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE427127A true BE427127A (US20030220297A1-20031127-C00009.png) | 1938-04-30 |
Family
ID=22454556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE427127D BE427127A (US20030220297A1-20031127-C00009.png) | 1937-03-23 | 1938-03-23 |
Country Status (4)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2617873A (en) * | 1945-06-22 | 1952-11-11 | Gen Electric Co Ltd | Remote-control system |
| US2562176A (en) * | 1945-09-25 | 1951-07-31 | Herman H Curry | Electrical selective control apparatus |
| US2540115A (en) * | 1945-11-29 | 1951-02-06 | Thomas W Hopkinson | Pulse duration selector |
| US2552174A (en) * | 1946-12-05 | 1951-05-08 | Amalgamated Wireless Australas | Automatic alarm selector |
| GB765934A (en) * | 1951-10-31 | 1957-01-16 | Internat Marine Radio Company | Signal selector device |
| US3000002A (en) * | 1956-02-29 | 1961-09-12 | Koepenick Funkwerk Veb | Electronic alarm system |
| US3117299A (en) * | 1958-10-28 | 1964-01-07 | Charles A Bauer | Method and apparatus for aircraft control of airport landking lights |
| US3121857A (en) * | 1959-03-12 | 1964-02-18 | John E Mccroy | Method and apparatus for aircraft control of airport landing lights |
| US3579190A (en) * | 1967-05-05 | 1971-05-18 | Itt | Automatic alarm detector |
| US3515992A (en) * | 1967-06-09 | 1970-06-02 | Itt | Automatic alarm detector |
| US5003556A (en) * | 1989-06-30 | 1991-03-26 | Digital Equipment Corporation | Squelch circuit |
-
1937
- 1937-03-23 US US132551A patent/US2235804A/en not_active Expired - Lifetime
-
1938
- 1938-03-23 BE BE427127D patent/BE427127A/xx unknown
- 1938-03-23 FR FR835653D patent/FR835653A/fr not_active Expired
- 1938-03-23 GB GB8943/38A patent/GB495940A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR835653A (fr) | 1938-12-28 |
| US2235804A (en) | 1941-03-18 |
| GB495940A (en) | 1938-11-22 |
