JPS6469194A - Reproduced luminance signal processing circuit - Google Patents
Reproduced luminance signal processing circuitInfo
- Publication number
- JPS6469194A JPS6469194A JP62225309A JP22530987A JPS6469194A JP S6469194 A JPS6469194 A JP S6469194A JP 62225309 A JP62225309 A JP 62225309A JP 22530987 A JP22530987 A JP 22530987A JP S6469194 A JPS6469194 A JP S6469194A
- Authority
- JP
- Japan
- Prior art keywords
- luminance signal
- circuit
- reproduced
- noise canceller
- signal processing
- 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
Abstract
PURPOSE:To realize the improvement of an S/N when the quantity of reflected light from an object is little by controlling the respective controlled limitters of a luminance signal comb line circuit and noise canceller circuit according to the detection output of a reproduced luminance signal. CONSTITUTION:The reproduced luminance signal outputted by the noise canceller circuit 26 is detected and a limitter control circuit 31 controlling the respective controlled limitters 22 and 25 of the luminance signal comb line circuit 23 and the noise canceller circuit 26 according to the detection output is provided. Therefore, when a video tape recorded with an image of which quantity of the reflected light from the object is little is reproduced, the limitter level of the circuit 23 and the circuit 26 can be lowered. Thus a reproduced picture having the S/N and detailed information of video signal which are almost satisfactory can be obtained.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62225309A JPS6469194A (en) | 1987-09-10 | 1987-09-10 | Reproduced luminance signal processing circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62225309A JPS6469194A (en) | 1987-09-10 | 1987-09-10 | Reproduced luminance signal processing circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6469194A true JPS6469194A (en) | 1989-03-15 |
Family
ID=16827330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62225309A Pending JPS6469194A (en) | 1987-09-10 | 1987-09-10 | Reproduced luminance signal processing circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6469194A (en) |
-
1987
- 1987-09-10 JP JP62225309A patent/JPS6469194A/en active Pending
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