FR797121A - Perfectionnements aux dispositifs de transmission télégraphique avec impression - Google Patents
Perfectionnements aux dispositifs de transmission télégraphique avec impressionInfo
- Publication number
- FR797121A FR797121A FR797121DA FR797121A FR 797121 A FR797121 A FR 797121A FR 797121D A FR797121D A FR 797121DA FR 797121 A FR797121 A FR 797121A
- Authority
- FR
- France
- Prior art keywords
- printing
- transmission devices
- telegraphic transmission
- telegraphic
- devices
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Input From Keyboards Or The Like (AREA)
- Relay Circuits (AREA)
- Facsimiles In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US737013A US2113611A (en) | 1934-07-26 | 1934-07-26 | Communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR797121A true FR797121A (fr) | 1936-04-21 |
Family
ID=24962253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR797121D Expired FR797121A (fr) | 1934-07-26 | 1935-07-24 | Perfectionnements aux dispositifs de transmission télégraphique avec impression |
Country Status (4)
Country | Link |
---|---|
US (1) | US2113611A (de) |
DE (1) | DE655203C (de) |
FR (1) | FR797121A (de) |
GB (1) | GB456383A (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2502440A (en) * | 1947-01-21 | 1950-04-04 | Int Standard Electric Corp | Variable impulse transmitter |
US3790708A (en) * | 1972-10-12 | 1974-02-05 | Telectrotype Corp America | Communication method and apparatus |
-
1934
- 1934-07-26 US US737013A patent/US2113611A/en not_active Expired - Lifetime
-
1935
- 1935-07-22 GB GB20791/35A patent/GB456383A/en not_active Expired
- 1935-07-24 DE DEI52863D patent/DE655203C/de not_active Expired
- 1935-07-24 FR FR797121D patent/FR797121A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2113611A (en) | 1938-04-12 |
GB456383A (en) | 1936-11-09 |
DE655203C (de) | 1938-01-17 |
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