CA1038957A - Coder and decoder for a system designed to disseminate colour television audio video signals - Google Patents
Coder and decoder for a system designed to disseminate colour television audio video signalsInfo
- Publication number
- CA1038957A CA1038957A CA228,652A CA228652A CA1038957A CA 1038957 A CA1038957 A CA 1038957A CA 228652 A CA228652 A CA 228652A CA 1038957 A CA1038957 A CA 1038957A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- frequency
- carrier
- sub
- wave
- 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
- 230000005236 sound signal Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 235000019557 luminance Nutrition 0.000 claims 9
- ORWQBKPSGDRPPA-UHFFFAOYSA-N 3-[2-[ethyl(methyl)amino]ethyl]-1h-indol-4-ol Chemical compound C1=CC(O)=C2C(CCN(C)CC)=CNC2=C1 ORWQBKPSGDRPPA-UHFFFAOYSA-N 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 13
- 238000001228 spectrum Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000000306 recurrent effect Effects 0.000 description 6
- 235000003197 Byrsonima crassifolia Nutrition 0.000 description 2
- 240000001546 Byrsonima crassifolia Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- FHIVAFMUCKRCQO-UHFFFAOYSA-N diazinon Chemical compound CCOP(=S)(OCC)OC1=CC(C)=NC(C(C)C)=N1 FHIVAFMUCKRCQO-UHFFFAOYSA-N 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 101150087426 Gnal gene Proteins 0.000 description 1
- 108010000178 IGF-I-IGFBP-3 complex Proteins 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000013518 transcription Methods 0.000 description 1
- 230000035897 transcription 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
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/86—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded sequentially and simultaneously, e.g. corresponding to SECAM-system
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Color Television Systems (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7417591A FR2272562B1 (en, 2012) | 1974-05-21 | 1974-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1038957A true CA1038957A (en) | 1978-09-19 |
Family
ID=9139100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA228,652A Expired CA1038957A (en) | 1974-05-21 | 1975-05-21 | Coder and decoder for a system designed to disseminate colour television audio video signals |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4068259A (en, 2012) |
| JP (1) | JPS512357A (en, 2012) |
| CA (1) | CA1038957A (en, 2012) |
| DE (1) | DE2522332A1 (en, 2012) |
| FR (1) | FR2272562B1 (en, 2012) |
| GB (1) | GB1506873A (en, 2012) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4276000A (en) * | 1978-01-31 | 1981-06-30 | Lucas Industries Limited | Liquid fuel pumping apparatus |
| FR2440669A1 (fr) * | 1978-10-31 | 1980-05-30 | Thomson Brandt | Systeme de diffusion de signaux audio-visuels de television synchronises par une frequence pilote et procede de mise en oeuvre |
| GB2066613B (en) * | 1979-11-19 | 1983-11-09 | Matsushita Electric Ind Co Ltd | Interconnecting a colour television camera with a recording device |
| DE3276562D1 (en) * | 1981-12-07 | 1987-07-16 | Hitachi Ltd | Chroma signal recording and reproducing circuit |
| EP0103286B1 (en) * | 1982-09-10 | 1990-02-28 | Hitachi, Ltd. | Chrominance signal recording and reproducing apparatus |
| NL8300541A (nl) * | 1983-02-14 | 1984-09-03 | Philips Nv | Werkwijze voor het koderen van een registratiesignaal, registratiedrager voorzien van een registratiesignaal dat gekodeerd is volgens de werkwijze, inrichting voor het uitvoeren van de werkwijze en inrichting voor het weergeven van een signaal dat gekodeerd is volgens de werkwijze. |
| US4716585A (en) * | 1985-04-05 | 1987-12-29 | Datapoint Corporation | Gain switched audio conferencing network |
| US4710917A (en) * | 1985-04-08 | 1987-12-01 | Datapoint Corporation | Video conferencing network |
| US4739419A (en) * | 1986-01-06 | 1988-04-19 | Eastman Kodak Company | Apparatus for eliminating midfield skew error by delaying the lower half field of a T M format video signal to be recorded on the second of two tracks |
| US5591931A (en) * | 1995-01-17 | 1997-01-07 | Virtual Dsp Corporation | Musical signal multiplexing circuit and demultiplexing system |
| US6633340B1 (en) * | 1999-09-12 | 2003-10-14 | Matsushita Electric Industrial Co., Ltd. | Video signal processor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3440339A (en) * | 1966-06-10 | 1969-04-22 | United Control Corp | Color television recording system |
| JPS4944535B1 (en, 2012) * | 1970-01-26 | 1974-11-28 | ||
| FR2188380B1 (en, 2012) * | 1972-06-13 | 1977-01-14 | Thomson Csf | |
| US3825674A (en) * | 1973-05-25 | 1974-07-23 | Westinghouse Electric Corp | Educational tv branching system |
| US3916092A (en) * | 1973-05-25 | 1975-10-28 | Westinghouse Electric Corp | Transmission system for audio and coding signals in educational tv |
| NL7401934A (nl) * | 1974-02-13 | 1975-08-15 | Philips Nv | Kleurentelevisiesysteem. |
-
1974
- 1974-05-21 FR FR7417591A patent/FR2272562B1/fr not_active Expired
-
1975
- 1975-05-16 GB GB20996/75A patent/GB1506873A/en not_active Expired
- 1975-05-16 US US05/578,314 patent/US4068259A/en not_active Expired - Lifetime
- 1975-05-20 DE DE19752522332 patent/DE2522332A1/de active Pending
- 1975-05-21 CA CA228,652A patent/CA1038957A/en not_active Expired
- 1975-05-21 JP JP50060891A patent/JPS512357A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2522332A1 (de) | 1975-12-04 |
| US4068259A (en) | 1978-01-10 |
| JPS512357A (en, 2012) | 1976-01-09 |
| FR2272562A1 (en, 2012) | 1975-12-19 |
| GB1506873A (en) | 1978-04-12 |
| FR2272562B1 (en, 2012) | 1978-08-04 |
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