ES331948A1 - A television apparatus. (Machine-translation by Google Translate, not legally binding) - Google Patents
A television apparatus. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES331948A1 ES331948A1 ES0331948A ES331948A ES331948A1 ES 331948 A1 ES331948 A1 ES 331948A1 ES 0331948 A ES0331948 A ES 0331948A ES 331948 A ES331948 A ES 331948A ES 331948 A1 ES331948 A1 ES 331948A1
- Authority
- ES
- Spain
- Prior art keywords
- generator
- output
- pulses
- main
- field synchronization
- 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
- 230000004888 barrier function Effects 0.000 abstract 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
Classifications
-
- 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)
- Television Systems (AREA)
- Synchronizing For Television (AREA)
Abstract
A television set for synchronizing the main apparatus with the secondary apparatus for determining the relative difference in time between field synchronization pulses from a main pulse generator and field synchronization pulses having at least approximately the same frequency repeating from a secondary pulse generator, characterized in that the apparatus comprises an auxiliary comparison step having two output terminals X and Y and producing a correction signal output X if the pulses from the secondary generator are ahead of the pulses from the main generator, or a correction signal output Y if the pulses from the main generator are ahead of the pulses of the secondary generator, said signals X and Y being suitable for application to a secondary generator oscillator for the purpose retard or accelerate respectively, your fre pulse repetition until the impulses of the main and secondary generator are in synchronism, the comparison step comprising a first bistable circuit having its output connected to an output terminal X, a second bistable circuit having its output connected to a output terminal Y, and a first input terminal connected to an adjusting terminal of the first bistable circuit and adapted to receive the field synchronization pulses from said secondary generator, a second input terminal connected to a second adjustment terminal bistable circuit and intended to receive the field synchronization pulses from said main generator and a matching barrier connected between the output terminals X and Y, and a reset coupling from the output of said coincidence barrier to the replacement terminals of both mentioned bistable circuits, respectively. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4239465A GB1085451A (en) | 1965-10-06 | 1965-10-06 | Improvements in or relating to correspondence systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES331948A1 true ES331948A1 (en) | 1967-10-01 |
Family
ID=10424221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0331948A Expired ES331948A1 (en) | 1965-10-06 | 1966-10-05 | A television apparatus. (Machine-translation by Google Translate, not legally binding) |
Country Status (2)
| Country | Link |
|---|---|
| ES (1) | ES331948A1 (en) |
| GB (1) | GB1085451A (en) |
-
1965
- 1965-10-06 GB GB4239465A patent/GB1085451A/en not_active Expired
-
1966
- 1966-10-05 ES ES0331948A patent/ES331948A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1085451A (en) | 1967-10-04 |
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