CA1063713A - Color image signal processing circuits - Google Patents
Color image signal processing circuitsInfo
- Publication number
- CA1063713A CA1063713A CA249,581A CA249581A CA1063713A CA 1063713 A CA1063713 A CA 1063713A CA 249581 A CA249581 A CA 249581A CA 1063713 A CA1063713 A CA 1063713A
- Authority
- CA
- Canada
- Prior art keywords
- output
- signal
- input
- delay line
- composite video
- 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
- 239000002131 composite material Substances 0.000 claims abstract description 47
- 230000007547 defect Effects 0.000 claims abstract description 14
- 230000003111 delayed effect Effects 0.000 claims description 6
- 238000009877 rendering Methods 0.000 claims description 2
- 230000007717 exclusion Effects 0.000 claims 2
- 238000001914 filtration Methods 0.000 abstract description 16
- 230000009471 action Effects 0.000 abstract description 8
- 238000006467 substitution reaction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001228 spectrum Methods 0.000 abstract description 4
- 239000000306 component Substances 0.000 description 54
- 230000004044 response Effects 0.000 description 11
- 230000010355 oscillation Effects 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 4
- 230000000873 masking effect Effects 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 241000840267 Moma Species 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001454 recorded image Methods 0.000 description 1
- 230000033458 reproduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000001629 suppression 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
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/85—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded brightness signal occupying a frequency band totally overlapping the frequency band of the recorded chrominance signal, e.g. frequency interleaving
-
- 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
- H04N9/87—Regeneration of colour television signals
- H04N9/88—Signal drop-out compensation
- H04N9/882—Signal drop-out compensation the signal being a composite colour television signal
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 |
|---|---|---|---|
| US05/570,325 US3969757A (en) | 1975-04-21 | 1975-04-21 | Color image signal processing circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1063713A true CA1063713A (en) | 1979-10-02 |
Family
ID=24279204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA249,581A Expired CA1063713A (en) | 1975-04-21 | 1976-04-05 | Color image signal processing circuits |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3969757A (OSRAM) |
| JP (1) | JPS51130120A (OSRAM) |
| AT (1) | AT359567B (OSRAM) |
| AU (1) | AU505698B2 (OSRAM) |
| CA (1) | CA1063713A (OSRAM) |
| DD (1) | DD125029A5 (OSRAM) |
| DE (1) | DE2617423C3 (OSRAM) |
| FR (1) | FR2309099A1 (OSRAM) |
| GB (1) | GB1539289A (OSRAM) |
| IT (1) | IT1059101B (OSRAM) |
| NL (1) | NL7604145A (OSRAM) |
| PL (1) | PL112668B1 (OSRAM) |
| SE (1) | SE413621B (OSRAM) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1524356A (en) * | 1974-11-18 | 1978-09-13 | Rca Corp | Corporation sync separator |
| US4003077A (en) * | 1976-02-25 | 1977-01-11 | Eastman Kodak Company | Method and apparatus for cancelling chrominance artifacts |
| GB1566715A (en) * | 1976-03-19 | 1980-05-08 | Rca Corp | Chrominance signal transcoding apparatus |
| JPS6047641B2 (ja) * | 1976-07-06 | 1985-10-23 | ソニー株式会社 | 磁気記録装置 |
| GB1582984A (en) * | 1976-08-09 | 1981-01-21 | Rca Corp | Video signal recording systems |
| US4110784A (en) * | 1976-08-30 | 1978-08-29 | Rca Corporation | Noise reduction apparatus |
| US4184174A (en) * | 1977-01-20 | 1980-01-15 | Rca Corporation | Comb filter system |
| JPS53114612A (en) * | 1977-03-16 | 1978-10-06 | Matsushita Electric Ind Co Ltd | Compensating unit for color video signal defect |
| US4096516A (en) * | 1977-03-25 | 1978-06-20 | Rca Corporation | Electronic signal processing apparatus |
| US4204220A (en) * | 1977-06-24 | 1980-05-20 | Rca Corporation | Dual standard video disc player |
| US4149181A (en) * | 1977-09-02 | 1979-04-10 | Gte Sylvania Incorporated | Signal-dependent chrominance subcarrier filtering circuit |
| JPS5521681A (en) * | 1978-08-03 | 1980-02-15 | Matsushita Electric Ind Co Ltd | Dropout compensation unit |
| US4357624A (en) * | 1979-05-15 | 1982-11-02 | Combined Logic Company | Interactive video production system |
| US4258385A (en) * | 1979-05-15 | 1981-03-24 | Combined Logic Company | Interactive video production system and method |
| JPS56157193A (en) * | 1980-05-08 | 1981-12-04 | Sanyo Electric Co Ltd | Video signal processing circuit |
| JPS5710516A (en) * | 1980-06-23 | 1982-01-20 | Matsushita Electric Ind Co Ltd | Comb type filter |
| JPS5779785A (en) * | 1980-11-05 | 1982-05-19 | Victor Co Of Japan Ltd | Dropout compensation circuit |
| US4541018A (en) * | 1981-11-06 | 1985-09-10 | Victor Company Of Japan, Ltd. | Dropout compensation and chrominance subcarrier frequency conversion circuit in a video signal reproducing apparatus |
| US4754340A (en) * | 1983-11-01 | 1988-06-28 | Matsushita Electric Industrial Co., Ltd. | Method of reproducing a chrominance signal from a previously low-range-converted chrominance signal using comb filtering and sampling |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5346414B2 (OSRAM) * | 1973-05-31 | 1978-12-13 | ||
| US3872497A (en) * | 1973-04-13 | 1975-03-18 | Rca Corp | Signal translating apparatus for composite signal subject to jitter |
| US3871020A (en) * | 1973-05-07 | 1975-03-11 | Rca Corp | Chrominance signal correction |
-
1975
- 1975-04-21 US US05/570,325 patent/US3969757A/en not_active Expired - Lifetime
-
1976
- 1976-04-05 CA CA249,581A patent/CA1063713A/en not_active Expired
- 1976-04-14 AU AU12982/76A patent/AU505698B2/en not_active Expired
- 1976-04-14 IT IT22313/76A patent/IT1059101B/it active
- 1976-04-14 SE SE7604377A patent/SE413621B/xx unknown
- 1976-04-15 GB GB15752/76A patent/GB1539289A/en not_active Expired
- 1976-04-20 NL NL7604145A patent/NL7604145A/xx not_active Application Discontinuation
- 1976-04-20 FR FR7611607A patent/FR2309099A1/fr active Granted
- 1976-04-20 JP JP51045311A patent/JPS51130120A/ja active Granted
- 1976-04-21 PL PL1976188932A patent/PL112668B1/pl unknown
- 1976-04-21 DE DE2617423A patent/DE2617423C3/de not_active Expired
- 1976-04-21 AT AT291776A patent/AT359567B/de not_active IP Right Cessation
- 1976-04-21 DD DD192450A patent/DD125029A5/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT359567B (de) | 1980-11-25 |
| GB1539289A (en) | 1979-01-31 |
| DE2617423C3 (de) | 1979-09-20 |
| DD125029A5 (OSRAM) | 1977-03-23 |
| NL7604145A (nl) | 1976-10-25 |
| PL112668B1 (en) | 1980-10-31 |
| DE2617423A1 (de) | 1976-10-28 |
| SE7604377L (sv) | 1976-10-22 |
| JPS51130120A (en) | 1976-11-12 |
| AU505698B2 (en) | 1979-11-29 |
| US3969757A (en) | 1976-07-13 |
| DE2617423B2 (de) | 1979-02-01 |
| FR2309099A1 (fr) | 1976-11-19 |
| AU1298276A (en) | 1977-10-20 |
| ATA291776A (de) | 1980-04-15 |
| JPS5514598B2 (OSRAM) | 1980-04-17 |
| FR2309099B1 (OSRAM) | 1981-10-09 |
| SE413621B (sv) | 1980-06-09 |
| IT1059101B (it) | 1982-05-31 |
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| JPS6126875B2 (OSRAM) | ||
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| JP2539407B2 (ja) | テレビジョン信号の送信装置、記録装置、受信装置 | |
| JPH0720262B2 (ja) | 映像信号記録再生装置 | |
| JP2502499B2 (ja) | 映像信号処理装置 |