FR681471A - Perfectionnements aux dispositifs de synchronisation utilisés en télévision, téléphotographie, télémécanique - Google Patents
Perfectionnements aux dispositifs de synchronisation utilisés en télévision, téléphotographie, télémécaniqueInfo
- Publication number
- FR681471A FR681471A FR681471DA FR681471A FR 681471 A FR681471 A FR 681471A FR 681471D A FR681471D A FR 681471DA FR 681471 A FR681471 A FR 681471A
- Authority
- FR
- France
- Prior art keywords
- telephotography
- telemechanics
- television
- devices used
- synchronization 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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
- H04N5/123—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal directly commands a frequency generator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
- H02P5/50—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another by comparing electrical values representing the speeds
- H02P5/51—Direct ratio control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/02—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform
- H03K4/023—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform by repetitive charge or discharge of a capacitor, analogue generators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
- H04N5/067—Arrangements or circuits at the transmitter end
- H04N5/073—Arrangements or circuits at the transmitter end for mutually locking plural sources of synchronising signals, e.g. studios or relay stations
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Valve Device For Special Equipments (AREA)
- Stopping Of Electric Motors (AREA)
- Retarders (AREA)
- Manufacture Of Motors, Generators (AREA)
- Lens Barrels (AREA)
- Windings For Motors And Generators (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR681471T | 1928-12-27 | ||
| FR37719T | 1929-07-02 | ||
| FR700457T | 1929-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR681471A true FR681471A (fr) | 1930-05-15 |
Family
ID=27245002
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR681471D Expired FR681471A (fr) | 1928-12-27 | 1928-12-27 | Perfectionnements aux dispositifs de synchronisation utilisés en télévision, téléphotographie, télémécanique |
| FR37719D Expired FR37719E (fr) | 1928-12-27 | 1929-06-27 | Perfectionnements aux dispositifs de synchronisation utilisés en télévision, téléphotographie, télémécanique |
| FR700457D Expired FR700457A (fr) | 1928-12-27 | 1929-10-12 | Perfectionnements aux systèmes de télévision, télécinéma et autres applications analogues |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR37719D Expired FR37719E (fr) | 1928-12-27 | 1929-06-27 | Perfectionnements aux dispositifs de synchronisation utilisés en télévision, téléphotographie, télémécanique |
| FR700457D Expired FR700457A (fr) | 1928-12-27 | 1929-10-12 | Perfectionnements aux systèmes de télévision, télécinéma et autres applications analogues |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE366193A (enEXAMPLES) |
| FR (3) | FR681471A (enEXAMPLES) |
| GB (3) | GB345964A (enEXAMPLES) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE747900C (de) * | 1934-03-17 | 1944-10-20 | Cfcmug | Schaltungsanordnung fuer Fernsehsender zur Erzeugung von Synchronisierimpulsen |
-
1928
- 1928-12-27 FR FR681471D patent/FR681471A/fr not_active Expired
-
1929
- 1929-06-27 FR FR37719D patent/FR37719E/fr not_active Expired
- 1929-10-12 FR FR700457D patent/FR700457A/fr not_active Expired
- 1929-12-14 BE BE366193D patent/BE366193A/xx unknown
- 1929-12-27 GB GB39614/29A patent/GB345964A/en not_active Expired
-
1930
- 1930-03-07 GB GB7548/30A patent/GB350443A/en not_active Expired
- 1930-09-25 GB GB28738/30A patent/GB356506A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE747900C (de) * | 1934-03-17 | 1944-10-20 | Cfcmug | Schaltungsanordnung fuer Fernsehsender zur Erzeugung von Synchronisierimpulsen |
Also Published As
| Publication number | Publication date |
|---|---|
| GB356506A (en) | 1931-09-10 |
| FR700457A (fr) | 1931-03-02 |
| GB350443A (en) | 1931-06-08 |
| GB345964A (en) | 1931-03-27 |
| BE366193A (enEXAMPLES) | 1930-01-31 |
| FR37719E (fr) | 1931-01-14 |
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