FR1054746A - Improvements to telecommunications devices - Google Patents
Improvements to telecommunications devicesInfo
- Publication number
- FR1054746A FR1054746A FR1054746DA FR1054746A FR 1054746 A FR1054746 A FR 1054746A FR 1054746D A FR1054746D A FR 1054746DA FR 1054746 A FR1054746 A FR 1054746A
- Authority
- FR
- France
- Prior art keywords
- telecommunications devices
- telecommunications
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/26—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is obtained by projection of the entire image, i.e. whole-frame projection
-
- 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
- H04L25/4902—Pulse width modulation; Pulse position modulation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1054746T | 1952-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1054746A true FR1054746A (en) | 1954-02-12 |
Family
ID=9596576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1054746D Expired FR1054746A (en) | 1952-04-21 | 1952-04-21 | Improvements to telecommunications devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1054746A (en) |
-
1952
- 1952-04-21 FR FR1054746D patent/FR1054746A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1237702A (en) | Improvements to electro-medical devices | |
FR1076469A (en) | Improvements to deformable cases | |
FR67884E (en) | Improvements to rear-view devices | |
FR1056646A (en) | Improvements to time devices | |
FR1081754A (en) | Improvements relating to electronic devices | |
FR1057180A (en) | Improvements to electromagnetic devices | |
FR1052695A (en) | Improvements to telephone sets | |
FR1089420A (en) | Improvements to emulsifying devices | |
FR1047514A (en) | Improvements to micronizing devices | |
FR1054746A (en) | Improvements to telecommunications devices | |
FR1085833A (en) | Improvements to sandblasting devices | |
FR64388E (en) | Improvements to projection devices | |
FR63516E (en) | Improvements to electromagnetic devices | |
FR1053554A (en) | Improvements to knitting devices | |
FR1073530A (en) | Improvements to telephone installations | |
FR1054366A (en) | Improvements to projection devices | |
FR1074470A (en) | Improvements to aeromotors | |
FR1085205A (en) | Improvements to refrigeration devices | |
FR1049824A (en) | Improvements to lifting devices | |
FR1056603A (en) | Improvements to pointing devices | |
FR1078436A (en) | Improvements relating to electrolytic devices | |
FR1080095A (en) | Improvements to burner devices | |
FR1058869A (en) | Improvements to printing telegraph devices | |
FR1062045A (en) | Improvements to drying devices | |
FR1056741A (en) | Improvements to mixing devices |