DE2341852A1 - Multiplexdemodulator fuer ein farbfernsehsignal - Google Patents
Multiplexdemodulator fuer ein farbfernsehsignalInfo
- Publication number
- DE2341852A1 DE2341852A1 DE19732341852 DE2341852A DE2341852A1 DE 2341852 A1 DE2341852 A1 DE 2341852A1 DE 19732341852 DE19732341852 DE 19732341852 DE 2341852 A DE2341852 A DE 2341852A DE 2341852 A1 DE2341852 A1 DE 2341852A1
- Authority
- DE
- Germany
- Prior art keywords
- color
- signal
- phase
- transistor
- output
- 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.)
- Pending
Links
- 230000003111 delayed effect Effects 0.000 claims description 30
- 230000010355 oscillation Effects 0.000 claims description 25
- 230000010363 phase shift Effects 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 230000002441 reversible effect Effects 0.000 claims description 4
- 230000006870 function Effects 0.000 description 61
- 230000000694 effects Effects 0.000 description 24
- 238000000034 method Methods 0.000 description 22
- 230000008569 process Effects 0.000 description 17
- 239000003990 capacitor Substances 0.000 description 14
- 239000010453 quartz Substances 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 230000000295 complement effect Effects 0.000 description 9
- 239000013078 crystal Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 6
- 230000003321 amplification Effects 0.000 description 5
- 230000001934 delay Effects 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 230000003071 parasitic effect Effects 0.000 description 5
- 238000005513 bias potential Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 238000012937 correction Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000005236 sound signal Effects 0.000 description 4
- 239000013598 vector Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012905 input function Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/66—Circuits for processing colour signals for synchronous demodulators
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00282444A US3806635A (en) | 1972-08-21 | 1972-08-21 | Multiplex color television demodulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2341852A1 true DE2341852A1 (de) | 1974-04-04 |
Family
ID=23081551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732341852 Pending DE2341852A1 (de) | 1972-08-21 | 1973-08-18 | Multiplexdemodulator fuer ein farbfernsehsignal |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3806635A (enExample) |
| JP (1) | JPS4960630A (enExample) |
| BR (1) | BR7306142D0 (enExample) |
| DE (1) | DE2341852A1 (enExample) |
| NL (1) | NL7311480A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2610535A1 (de) * | 1975-03-12 | 1976-09-30 | Sanyo Electric Co | Demodulator fuer einen pal-farbfernsehempfaenger |
| DE3107900A1 (de) * | 1980-03-03 | 1982-01-07 | RCA Corp., 10020 New York, N.Y. | "farbdifferenzsignal-verarbeitungsschaltung" |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4636836A (en) * | 1984-12-03 | 1987-01-13 | Rca Corporation | Phase locked loop system for providing a phase shifted output signal |
| DE4201564A1 (de) * | 1992-01-22 | 1993-07-29 | Thomson Brandt Gmbh | Schaltung zur regelung der farbtraegeramplitude in einem videorecorder |
| US12088289B2 (en) | 2021-06-17 | 2024-09-10 | Texas Instruments Incorporated | Soft handover in a coupled dual-oscillator system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3592960A (en) * | 1968-05-27 | 1971-07-13 | Warwick Electronics Inc | Automatic frequency control for an oscillator in a chroma demodulation circuit |
| US3591707A (en) * | 1969-01-08 | 1971-07-06 | Gen Electric | Color television demodulator |
-
1972
- 1972-08-21 US US00282444A patent/US3806635A/en not_active Expired - Lifetime
-
1973
- 1973-08-10 BR BR6142/73A patent/BR7306142D0/pt unknown
- 1973-08-18 DE DE19732341852 patent/DE2341852A1/de active Pending
- 1973-08-21 NL NL7311480A patent/NL7311480A/xx unknown
- 1973-08-21 JP JP48092994A patent/JPS4960630A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2610535A1 (de) * | 1975-03-12 | 1976-09-30 | Sanyo Electric Co | Demodulator fuer einen pal-farbfernsehempfaenger |
| DE3107900A1 (de) * | 1980-03-03 | 1982-01-07 | RCA Corp., 10020 New York, N.Y. | "farbdifferenzsignal-verarbeitungsschaltung" |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4960630A (enExample) | 1974-06-12 |
| US3806635A (en) | 1974-04-23 |
| NL7311480A (enExample) | 1974-02-25 |
| BR7306142D0 (pt) | 1974-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3342335A1 (de) | Digitaler fernsehempfaenger mit analog/digital-umsetzer mit zeitmultiplex-verstaerker | |
| DE2649933C2 (de) | Schaltungsanordnung zur Erzeugung einer Schwingung steuerbarer Phase und/oder Frequenz | |
| DE2828654C2 (enExample) | ||
| DE2000657A1 (de) | Farbfernseh-Demodulator | |
| DE2658311C3 (de) | Steuerbarer Phasenschieber | |
| DE2060856C3 (de) | Phasenschieberschaltung | |
| DE3644291C2 (de) | Videosichtgerät | |
| DE2543113C3 (de) | Verzögerungsschaltung | |
| DE2819774B2 (de) | Helligkeitsregler für einen Übertragungskanal zur Verarbeitung eines Videosignals | |
| DE2341852A1 (de) | Multiplexdemodulator fuer ein farbfernsehsignal | |
| DE3232358A1 (de) | Farbfernsehempfaenger mit digitaler signalverarbeitung | |
| DE2746538C3 (de) | Halbleiterschaltungsanordnung zur Verarbeitung eines Farbbildsignals eines Farbfernsehempfängers | |
| DE69424588T2 (de) | Fernsehschaltung die ein Farbsynchronsignal verwendet | |
| DE3125825A1 (de) | Demodulatorschaltung fuer fm-signale (frequenzmodulierte signale) | |
| DE3013509A1 (de) | System zur farbkorrektur eines farbbildsignalgemisches | |
| DE69111010T2 (de) | Secam Decoder. | |
| DE3856426T2 (de) | Videobandrecorder mit einer Schaltungsanordnung für die Phasenverschiebung des Farbträgers | |
| DE3038050C2 (de) | Regelbarer Oszillator | |
| DE2325864A1 (de) | Signalverarbeitungs-schaltkreis | |
| DE2206312A1 (de) | Farbsperrsystem | |
| DE2044009A1 (de) | Secam Farbfernsehempfänger | |
| DE3044337A1 (de) | Farbartsignalverarbeitungsschaltung | |
| DE69604107T2 (de) | Farbsignaldemodulator geeignet für PAL- und SECAM-Fernsehempfänger | |
| DE2543571A1 (de) | Verfahren und schaltungsanordnungen zur synchronen demodulation der farbkomponenten eines farbvideosignals | |
| DE3017908A1 (de) | Phasendetektor mit verbesserter verstaerkung fuer horizontalfrequente fernsehsignale |