BE356937A - - Google Patents
Info
- Publication number
- BE356937A BE356937A BE356937DA BE356937A BE 356937 A BE356937 A BE 356937A BE 356937D A BE356937D A BE 356937DA BE 356937 A BE356937 A BE 356937A
- 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
- H04L15/04—Apparatus or circuits at the transmitting end
- H04L15/22—Apparatus or circuits for sending one or a restricted number of signals, e.g. distress signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/04—Modulator circuits; Transmitter circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Relay Circuits (AREA)
- Control Of Position Or Direction (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Mechanisms For Operating Contacts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR660951T | 1928-01-10 | ||
| FR35675T | 1928-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE356937A true BE356937A (pt) |
Family
ID=26182665
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE360486D BE360486A (pt) | 1928-01-10 | ||
| BE356937D BE356937A (pt) | 1928-01-10 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE360486D BE360486A (pt) | 1928-01-10 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1972289A (pt) |
| BE (2) | BE356937A (pt) |
| DE (1) | DE489657C (pt) |
| FR (2) | FR660951A (pt) |
| GB (2) | GB303839A (pt) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3215999A (en) * | 1965-11-02 | Memory control device | ||
| USRE23990E (en) * | 1946-05-17 | 1955-05-03 | locke | |
| US2466099A (en) * | 1947-01-08 | 1949-04-05 | Hansen Carlos | Apparatus for transmission of radiotelegraphic signals relating to sea or river levels at the site of installation |
| US2487778A (en) * | 1948-01-29 | 1949-11-15 | Atlas David | Automatic altimeter setting indicator and transmitter |
| BE489569A (pt) * | 1948-06-14 | Kaelin Pierre | ||
| CH272955A (fr) * | 1948-06-14 | 1951-01-15 | Kaelin Pierre | Poste téléphonique. |
| US2587635A (en) * | 1948-06-29 | 1952-03-04 | Bell Telephone Labor Inc | Spaced-pulse impulse sender |
| US2588397A (en) * | 1948-06-29 | 1952-03-11 | Bell Telephone Labor Inc | Spaced-pulse impulse sender |
| US2499606A (en) * | 1948-07-16 | 1950-03-07 | Bell Telephone Labor Inc | Preset type telephone dialer with pulse generating transformers |
| US2584997A (en) * | 1949-03-02 | 1952-02-12 | Syrl K Ferguson | Message timing device |
| US2575342A (en) * | 1949-06-02 | 1951-11-20 | Darrin H Gridley | Position sensing device |
| US2590885A (en) * | 1949-12-08 | 1952-04-01 | Bell Telephone Labor Inc | Spaced-pulse impulse sender |
| US2620390A (en) * | 1950-07-03 | 1952-12-02 | Charles E Sunderland | Automatic emergency keyer unit |
| US2768238A (en) * | 1952-03-17 | 1956-10-23 | Ben W Risinger | Automatic signaling device |
| GB722512A (en) * | 1952-06-20 | 1955-01-26 | Nat Res Dev | Improvements in or relating to teleprinting apparatus |
| US2746680A (en) * | 1952-07-01 | 1956-05-22 | Maul Michael | Record controlled machine with cross connecting board |
| BE522672A (pt) * | 1952-09-10 | |||
| US2739298A (en) * | 1953-01-07 | 1956-03-20 | Bell Telephone Labor Inc | Multifrequency high speed calling signal generator |
| US2866185A (en) * | 1953-02-25 | 1958-12-23 | Stanley S Brody | Universal navigation station identification keyer |
| US2826752A (en) * | 1953-11-19 | 1958-03-11 | Eagle Signal Corp | Systems permitting response by only selected units of those connected to a single channel |
| US2903686A (en) * | 1955-12-27 | 1959-09-08 | Zenith Radio Corp | Encoding apparatus |
| US2890432A (en) * | 1956-09-26 | 1959-06-09 | Robotron Corp | Apparatus and method for producing and using a variable conductive pattern |
| US3152323A (en) * | 1959-08-18 | 1964-10-06 | Edward L E Pardee | Plural interval timing device having a conductor matrix for selection of the time intervals |
| DE1228656B (de) * | 1964-12-21 | 1966-11-17 | Befa Bau Elektro Feinmech App | Tastgeraet zum selbsttaetigen Erzeugen des Alarm- und Notzeichens fuer Seeschiffe |
| US3418431A (en) * | 1965-05-28 | 1968-12-24 | Bell Telephone Labor Inc | Code transmitter |
| US3492650A (en) * | 1965-07-06 | 1970-01-27 | Tore Gottfrid Hesselgren | Matrix for producing electric pulses |
| US3836729A (en) * | 1972-07-03 | 1974-09-17 | Kososki H | Automatic telephone signalling apparatus |
-
0
- BE BE360486D patent/BE360486A/xx unknown
- BE BE356937D patent/BE356937A/xx unknown
-
1928
- 1928-01-10 FR FR660951D patent/FR660951A/fr not_active Expired
- 1928-05-19 FR FR35675D patent/FR35675E/fr not_active Expired
-
1929
- 1929-01-10 GB GB960/29A patent/GB303839A/en not_active Expired
- 1929-01-10 DE DEC42485D patent/DE489657C/de not_active Expired
- 1929-05-17 GB GB15557/29A patent/GB312090A/en not_active Expired
- 1929-05-20 US US364617A patent/US1972289A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB312090A (en) | 1930-01-23 |
| DE489657C (de) | 1930-01-22 |
| FR35675E (fr) | 1930-03-27 |
| GB303839A (en) | 1929-06-06 |
| US1972289A (en) | 1934-09-04 |
| BE360486A (pt) | |
| FR660951A (fr) | 1929-07-19 |