JPH0697781B2 - ビデオ信号処理装置 - Google Patents
ビデオ信号処理装置Info
- Publication number
- JPH0697781B2 JPH0697781B2 JP59251486A JP25148684A JPH0697781B2 JP H0697781 B2 JPH0697781 B2 JP H0697781B2 JP 59251486 A JP59251486 A JP 59251486A JP 25148684 A JP25148684 A JP 25148684A JP H0697781 B2 JPH0697781 B2 JP H0697781B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- amplitude
- video signal
- region
- channel
- 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 - Lifetime
Links
- 238000005070 sampling Methods 0.000 claims description 33
- 230000000670 limiting effect Effects 0.000 claims description 27
- 230000003321 amplification Effects 0.000 claims description 17
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 17
- 230000001747 exhibiting effect Effects 0.000 claims description 4
- 230000002238 attenuated effect Effects 0.000 claims 2
- 230000004044 response Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 6
- 230000001052 transient effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 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
- 230000001934 delay Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 235000021538 Chard Nutrition 0.000 description 1
- 241000023320 Luma <angiosperm> Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical group COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
- H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/555,588 US4558352A (en) | 1983-11-28 | 1983-11-28 | Sampled data vertical detail signal processor |
| US555587 | 1983-11-28 | ||
| US06/555,587 US4602278A (en) | 1983-11-28 | 1983-11-28 | Non-linear processor for video signal vertical detail component |
| US555588 | 1983-11-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60134670A JPS60134670A (ja) | 1985-07-17 |
| JPH0697781B2 true JPH0697781B2 (ja) | 1994-11-30 |
Family
ID=27070924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59251486A Expired - Lifetime JPH0697781B2 (ja) | 1983-11-28 | 1984-11-27 | ビデオ信号処理装置 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPH0697781B2 (xx) |
| KR (1) | KR920006154B1 (xx) |
| DE (1) | DE3443380A1 (xx) |
| FR (1) | FR2555850B1 (xx) |
| GB (1) | GB2150786B (xx) |
| HK (1) | HK24693A (xx) |
| IT (1) | IT1177297B (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UA27117C2 (uk) * | 1993-01-15 | 2000-02-28 | Олександр Олександрович Антонов | Пристрій регеhерації відеосигhалів для кольорового телебачеhhя |
| WO2005101658A1 (en) * | 2004-04-15 | 2005-10-27 | Koninklijke Philips Electronics N.V. | Analogue non-linear dynamic filter |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5177153A (xx) * | 1974-12-27 | 1976-07-03 | Meiyo Electric | |
| JPS5278309A (en) * | 1975-12-24 | 1977-07-01 | Sony Corp | Tv receiver |
| JPS5234611B2 (xx) * | 1974-03-06 | 1977-09-05 | ||
| JPS5510228A (en) * | 1978-07-05 | 1980-01-24 | Nec Corp | S/n improving unit for television video signal |
| JPS5593377A (en) * | 1979-01-10 | 1980-07-15 | Matsushita Electric Ind Co Ltd | Sn ratio improving unit |
| JPS56161708A (en) * | 1980-05-19 | 1981-12-12 | Toshiba Corp | Signal processing circuit |
| JPS56169409A (en) * | 1980-05-31 | 1981-12-26 | Toshiba Corp | Logarithmic amplifier |
| JPS57181288A (en) * | 1981-04-20 | 1982-11-08 | Rca Corp | Video signal processor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1428963A (en) * | 1972-04-04 | 1976-03-24 | Dolby Laboratories Inc | Circuits for modifying the dynamic range of signals |
| JPS5234611U (xx) * | 1975-09-03 | 1977-03-11 | ||
| JPS55142066U (xx) * | 1979-03-30 | 1980-10-11 | ||
| US4295160A (en) * | 1979-05-11 | 1981-10-13 | Rca Corporation | Signal processing circuit having a non-linear transfer function |
| US4245238A (en) * | 1979-05-11 | 1981-01-13 | Rca Corporation | Non-linear processing of video image vertical detail information |
| GB2110044A (en) * | 1981-11-06 | 1983-06-08 | Rca Corp | Digital signal separation network and television receiver including such a network |
-
1984
- 1984-11-22 IT IT23704/84A patent/IT1177297B/it active
- 1984-11-26 GB GB08429766A patent/GB2150786B/en not_active Expired
- 1984-11-27 FR FR848418052A patent/FR2555850B1/fr not_active Expired - Fee Related
- 1984-11-27 JP JP59251486A patent/JPH0697781B2/ja not_active Expired - Lifetime
- 1984-11-27 KR KR1019840007436A patent/KR920006154B1/ko not_active IP Right Cessation
- 1984-11-28 DE DE19843443380 patent/DE3443380A1/de active Granted
-
1993
- 1993-03-18 HK HK246/93A patent/HK24693A/xx not_active IP Right Cessation
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5234611B2 (xx) * | 1974-03-06 | 1977-09-05 | ||
| JPS5177153A (xx) * | 1974-12-27 | 1976-07-03 | Meiyo Electric | |
| JPS5278309A (en) * | 1975-12-24 | 1977-07-01 | Sony Corp | Tv receiver |
| JPS5510228A (en) * | 1978-07-05 | 1980-01-24 | Nec Corp | S/n improving unit for television video signal |
| JPS5593377A (en) * | 1979-01-10 | 1980-07-15 | Matsushita Electric Ind Co Ltd | Sn ratio improving unit |
| JPS56161708A (en) * | 1980-05-19 | 1981-12-12 | Toshiba Corp | Signal processing circuit |
| JPS56169409A (en) * | 1980-05-31 | 1981-12-26 | Toshiba Corp | Logarithmic amplifier |
| JPS57181288A (en) * | 1981-04-20 | 1982-11-08 | Rca Corp | Video signal processor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3443380C2 (xx) | 1988-06-30 |
| IT8423704A1 (it) | 1986-05-22 |
| DE3443380A1 (de) | 1985-06-05 |
| FR2555850A1 (fr) | 1985-05-31 |
| IT1177297B (it) | 1987-08-26 |
| KR920006154B1 (ko) | 1992-07-31 |
| GB2150786A (en) | 1985-07-03 |
| IT8423704A0 (it) | 1984-11-23 |
| GB2150786B (en) | 1987-09-30 |
| JPS60134670A (ja) | 1985-07-17 |
| FR2555850B1 (fr) | 1990-04-27 |
| KR850004001A (ko) | 1985-06-29 |
| HK24693A (en) | 1993-03-26 |
| GB8429766D0 (en) | 1985-01-03 |
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| JPH0697781B2 (ja) | ビデオ信号処理装置 | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |