JPS63133774U - - Google Patents
Info
- Publication number
- JPS63133774U JPS63133774U JP2506187U JP2506187U JPS63133774U JP S63133774 U JPS63133774 U JP S63133774U JP 2506187 U JP2506187 U JP 2506187U JP 2506187 U JP2506187 U JP 2506187U JP S63133774 U JPS63133774 U JP S63133774U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- video signal
- filter
- frequency
- linear
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Landscapes
- Television Signal Processing For Recording (AREA)
Description
第１図は本考案の一実施例によるビデオテープ
レコーダを示すブロツク図、第２図は従来のビデ
オテープレコーダを示すブロツク図である。
１，１３……モワレ防止用ローパスフイルタ回
路、２……信号伸長回路、３……周波数変調回路
、７……復調回路、８，１２……ローパスフイル
タ回路、９……信号圧縮回路。
FIG. 1 is a block diagram showing a video tape recorder according to an embodiment of the present invention, and FIG. 2 is a block diagram showing a conventional video tape recorder. 1, 13... Low-pass filter circuit for preventing moire, 2... Signal expansion circuit, 3... Frequency modulation circuit, 7... Demodulation circuit, 8, 12... Low-pass filter circuit, 9... Signal compression circuit.
Claims (1)
させる非直線回路と、 上記非直線回路を介して得られる映像信号の周
波数帯域を制限するフイルタ回路と、 上記フイルタ回路から出力される映像信号を周
波数変調する周波数変調回路と を具えることを特徴とする映像信号変調回路。[Claims for Utility Model Registration] A non-linear circuit that amplifies or attenuates a video signal with predetermined input/output characteristics, a filter circuit that limits the frequency band of the video signal obtained through the non-linear circuit, and the filter A video signal modulation circuit comprising: a frequency modulation circuit that frequency modulates a video signal output from the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2506187U JPS63133774U (en) | 1987-02-23 | 1987-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2506187U JPS63133774U (en) | 1987-02-23 | 1987-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63133774U true JPS63133774U (en) | 1988-09-01 |
Family
ID=30824860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2506187U Pending JPS63133774U (en) | 1987-02-23 | 1987-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63133774U (en) |
-
1987
- 1987-02-23 JP JP2506187U patent/JPS63133774U/ja active Pending
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