FR970272A - Emetteur-récepteur télégraphique - Google Patents
Emetteur-récepteur télégraphiqueInfo
- Publication number
- FR970272A FR970272A FR970272DA FR970272A FR 970272 A FR970272 A FR 970272A FR 970272D A FR970272D A FR 970272DA FR 970272 A FR970272 A FR 970272A
- Authority
- FR
- France
- Prior art keywords
- telegraph
- transceiver
- telegraph transceiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
- 
        - H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
 
- 
        - H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
 
- 
        - H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
 
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| NL674045X | 1947-08-12 | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| FR970272A true FR970272A (fr) | 1951-01-02 | 
Family
ID=19802219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| FR970272D Expired FR970272A (fr) | 1947-08-12 | 1948-08-10 | Emetteur-récepteur télégraphique | 
Country Status (5)
| Country | Link | 
|---|---|
| US (1) | US2554096A (enEXAMPLES) | 
| BE (1) | BE484305A (enEXAMPLES) | 
| FR (1) | FR970272A (enEXAMPLES) | 
| GB (1) | GB674045A (enEXAMPLES) | 
| NL (1) | NL74146C (enEXAMPLES) | 
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US2424030A (en) * | 1932-01-30 | 1947-07-15 | Harvey C Hayes | Balanced driver for sonic depth finders | 
| US2410065A (en) * | 1935-08-06 | 1946-10-29 | Submarine Signal Co | Electrical circuits | 
| US2400796A (en) * | 1939-12-29 | 1946-05-21 | Gen Electric | Signal apparatus | 
| US2446960A (en) * | 1945-03-10 | 1948-08-10 | Int Projector Corp | Echo sounding indicator | 
| US2492160A (en) * | 1945-12-03 | 1949-12-27 | John P Lekas | Multitone keyer | 
- 
        0
        - NL NL74146D patent/NL74146C/xx active
- BE BE484305D patent/BE484305A/xx unknown
 
- 
        1948
        - 1948-07-29 US US41359A patent/US2554096A/en not_active Expired - Lifetime
- 1948-08-09 GB GB20929/48A patent/GB674045A/en not_active Expired
- 1948-08-10 FR FR970272D patent/FR970272A/fr not_active Expired
 
Also Published As
| Publication number | Publication date | 
|---|---|
| NL74146C (enEXAMPLES) | |
| BE484305A (enEXAMPLES) | |
| GB674045A (en) | 1952-06-18 | 
| US2554096A (en) | 1951-05-22 | 
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