JPS60186767U - Video playback circuit - Google Patents
Video playback circuitInfo
- Publication number
- JPS60186767U JPS60186767U JP7527384U JP7527384U JPS60186767U JP S60186767 U JPS60186767 U JP S60186767U JP 7527384 U JP7527384 U JP 7527384U JP 7527384 U JP7527384 U JP 7527384U JP S60186767 U JPS60186767 U JP S60186767U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- video playback
- playback circuit
- mode switching
- emphasis
- 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
Landscapes
- Television Signal Processing For Recording (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は本考案の映像再生回図の1実施例のブロク図、
第2図{よ同実施例に用いられる周波数特性補正回路の
具体的な回路図、第3図は従来一般のVTRに.おiる
映像反転現象を説明するための信号波形図、第4回及び
第5図は本考案の−1実施例あ動作説明のための周波弊
特性線図であ−るゆ8・・・周波数特性補正回路、8a
・・・中域補正回路、8b・・・高城強一回路。、−
ゝ、FIG. 1 is a block diagram of one embodiment of the video playback circuit of the present invention.
Fig. 2 is a specific circuit diagram of the frequency characteristic correction circuit used in the same embodiment, and Fig. 3 is a specific circuit diagram of a conventional general VTR. Figures 4 and 5 are signal waveform diagrams for explaining the video inversion phenomenon, and frequency characteristic diagrams for explaining the operation of the first embodiment of the present invention. Frequency characteristic correction circuit, 8a
... Mid-range correction circuit, 8b... Koichi Takagi circuit. ,−ゝ,
Claims (1)
回路に通常再生モード時と特殊再生モード時とで異なる
モード切換信号を供給し、モード切換に応じて高城強調
周波数及び強調量を適宜可変できるようにしたことを特
徴とする映像再生回路。A frequency characteristic correction circuit is provided in the video signal reproduction circuit system, and different mode switching signals are supplied to this circuit in normal reproduction mode and special reproduction mode, and the Takagi emphasis frequency and emphasis amount can be varied as appropriate according to the mode switching. A video playback circuit characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7527384U JPS60186767U (en) | 1984-05-22 | 1984-05-22 | Video playback circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7527384U JPS60186767U (en) | 1984-05-22 | 1984-05-22 | Video playback circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60186767U true JPS60186767U (en) | 1985-12-11 |
Family
ID=30616339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7527384U Pending JPS60186767U (en) | 1984-05-22 | 1984-05-22 | Video playback circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60186767U (en) |
-
1984
- 1984-05-22 JP JP7527384U patent/JPS60186767U/en active Pending
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