FR603630A - Perfectionnements aux machines tachytélégraphiques - Google Patents
Perfectionnements aux machines tachytélégraphiquesInfo
- Publication number
- FR603630A FR603630A FR603630DA FR603630A FR 603630 A FR603630 A FR 603630A FR 603630D A FR603630D A FR 603630DA FR 603630 A FR603630 A FR 603630A
- Authority
- FR
- France
- Prior art keywords
- tachytelegraph
- machines
- tachytelegraph machines
- 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
- H04L25/4902—Pulse width modulation; Pulse position modulation
-
- 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
- H04L25/493—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 by transition coding, i.e. the time-position or direction of a transition being encoded before transmission
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Selective Calling Equipment (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR603630T | 1924-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR603630A true FR603630A (fr) | 1926-04-20 |
Family
ID=31898022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR603630D Expired FR603630A (fr) | 1924-12-17 | 1924-12-17 | Perfectionnements aux machines tachytélégraphiques |
Country Status (4)
Country | Link |
---|---|
US (1) | US1718024A (fr) |
DE (1) | DE503513C (fr) |
FR (1) | FR603630A (fr) |
GB (1) | GB244742A (fr) |
-
1924
- 1924-12-17 FR FR603630D patent/FR603630A/fr not_active Expired
-
1925
- 1925-11-27 DE DEE33370D patent/DE503513C/de not_active Expired
- 1925-12-01 GB GB30330/25A patent/GB244742A/en not_active Expired
- 1925-12-11 US US74878A patent/US1718024A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US1718024A (en) | 1929-06-18 |
GB244742A (en) | 1926-10-07 |
DE503513C (de) | 1930-08-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR595554A (fr) | Perfectionnements aux machines à calculer | |
FR588252A (fr) | Perfectionnements aux attaches-supports | |
FR581944A (fr) | Perfectionnements aux machines dynamo-électriques | |
FR595613A (fr) | Perfectionnements aux machines électriques | |
FR591988A (fr) | Perfectionnements aux hyudroglisseurs | |
FR603630A (fr) | Perfectionnements aux machines tachytélégraphiques | |
FR575290A (fr) | Perfectionnements aux machines parlantes | |
FR591996A (fr) | Perfectionnements aux machines tabulatrices | |
FR595249A (fr) | Perfectionnements aux déclanchements | |
FR594855A (fr) | Perfectionnements apportés aux vêtements | |
FR617942A (fr) | Perfectionnements aux machines frigorifiques | |
FR588828A (fr) | Perfectionnements apportés aux étuis | |
FR601279A (fr) | Perfectionnements apportés aux dynamos | |
FR599459A (fr) | Perfectionnements aux vérins | |
FR595768A (fr) | Perfectionnements aux machines parlantes | |
FR595120A (fr) | Perfectionnements aux machines phonographiques | |
FR606034A (fr) | Perfectionnements apportés aux machines électriques | |
FR598992A (fr) | Perfectionnements apportés aux machines électriques | |
FR602839A (fr) | Perfectionnements aux machines comptables | |
FR681712A (fr) | Perfectionnements aux machines comptables | |
FR602840A (fr) | Perfectionnements aux machines comptables | |
FR590350A (fr) | Perfectionnements aux machines frigorifiques | |
FR580185A (fr) | Perfectionnements aux enrobeuses | |
FR595342A (fr) | Perfectionnements aux auto-compresseurs | |
FR580064A (fr) | Perfectionnements aux négatoscopes |