JPS5873291A - 映像信号の高周波数ピーキング成分を制御するための直流結合装置 - Google Patents
映像信号の高周波数ピーキング成分を制御するための直流結合装置Info
- Publication number
- JPS5873291A JPS5873291A JP57178234A JP17823482A JPS5873291A JP S5873291 A JPS5873291 A JP S5873291A JP 57178234 A JP57178234 A JP 57178234A JP 17823482 A JP17823482 A JP 17823482A JP S5873291 A JPS5873291 A JP S5873291A
- Authority
- JP
- Japan
- Prior art keywords
- peaking
- video signal
- transistor
- signal
- control
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 title claims description 24
- 238000010168 coupling process Methods 0.000 title claims description 24
- 238000005859 coupling reaction Methods 0.000 title claims description 24
- 230000004044 response Effects 0.000 claims description 23
- 230000000295 complement effect Effects 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 16
- 230000008859 change Effects 0.000 description 6
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000002277 temperature effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/310,137 US4388647A (en) | 1981-10-09 | 1981-10-09 | Predictably biased DC coupled video signal peaking control system |
| US310137 | 1981-10-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5873291A true JPS5873291A (ja) | 1983-05-02 |
| JPH0131833B2 JPH0131833B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-06-28 |
Family
ID=23201152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57178234A Granted JPS5873291A (ja) | 1981-10-09 | 1982-10-08 | 映像信号の高周波数ピーキング成分を制御するための直流結合装置 |
Country Status (5)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60216674A (ja) * | 1983-06-24 | 1985-10-30 | アールシーエー トムソン ライセンシング コーポレイシヨン | デジタルビデオ信号を制御可能にピーキング処理する装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4757373A (en) * | 1985-11-14 | 1988-07-12 | U.S. Philips Corporation | Amplifier circuit operative with an adaptive signal compression |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4075661A (en) * | 1976-08-19 | 1978-02-21 | The Magnavox Company | Automatic peaking circuit |
| US4081836A (en) * | 1976-11-30 | 1978-03-28 | The Magnavox Company | Luminance signal processor for providing signal enhancement |
| US4069505A (en) * | 1977-01-19 | 1978-01-17 | Gte Sylvania Incorporated | Automatic peaking control circuitry for a video processing system |
| US4386369A (en) * | 1981-09-22 | 1983-05-31 | Rca Corporation | Compensated clamping circuit in a video signal peaking system |
-
1981
- 1981-10-09 US US06/310,137 patent/US4388647A/en not_active Expired - Lifetime
-
1982
- 1982-10-05 GB GB08228455A patent/GB2107551B/en not_active Expired
- 1982-10-08 FR FR8216918A patent/FR2514596B1/fr not_active Expired
- 1982-10-08 JP JP57178234A patent/JPS5873291A/ja active Granted
- 1982-10-08 DE DE3237423A patent/DE3237423C2/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60216674A (ja) * | 1983-06-24 | 1985-10-30 | アールシーエー トムソン ライセンシング コーポレイシヨン | デジタルビデオ信号を制御可能にピーキング処理する装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3237423A1 (de) | 1983-04-21 |
| GB2107551A (en) | 1983-04-27 |
| GB2107551B (en) | 1985-06-19 |
| FR2514596B1 (fr) | 1988-06-10 |
| US4388647A (en) | 1983-06-14 |
| JPH0131833B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-06-28 |
| FR2514596A1 (fr) | 1983-04-15 |
| DE3237423C2 (de) | 1985-07-18 |