JPH02113858U - - Google Patents
Info
- Publication number
- JPH02113858U JPH02113858U JP1918289U JP1918289U JPH02113858U JP H02113858 U JPH02113858 U JP H02113858U JP 1918289 U JP1918289 U JP 1918289U JP 1918289 U JP1918289 U JP 1918289U JP H02113858 U JPH02113858 U JP H02113858U
- Authority
- JP
- Japan
- Prior art keywords
- output
- comparator
- sample
- pass filter
- low
- 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
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Description
第１図は本考案のスチルビデオカメラのトラツ
キング回路のブロツク図、第２図は従来のスチル
ビデオカメラのトラツキング回路のブロツク図で
ある。
図面中、１は再生ヘツド、４はローパスフイル
タ、５はサンプルホールド回路、８はステツピン
グモータ、９はＤ／Ａ変換器、１０はコンパレー
タを示す。
FIG. 1 is a block diagram of a tracking circuit for a still video camera according to the present invention, and FIG. 2 is a block diagram of a tracking circuit for a conventional still video camera. In the drawing, 1 is a reproduction head, 4 is a low-pass filter, 5 is a sample and hold circuit, 8 is a stepping motor, 9 is a D/A converter, and 10 is a comparator.
Claims (1)
ドと、磁気ヘツドからの再生信号の包絡外形線を
取り出すためのローパスフイルタと、ローパスフ
イルタの出力の最大値を保持するサンプルホール
ド回路と、サンプルホールド回路の出力がコンパ
レータの一端に接続され、該コンパレータのもう
一端にはＤ／Ａ変換器の出力が接続されているこ
とを特徴とするスチルビデオカメラのトラツキン
グ回路。 A magnetic head driven by a stepping motor, a low-pass filter for extracting the envelope contour of the reproduced signal from the magnetic head, a sample-and-hold circuit that holds the maximum value of the output of the low-pass filter, and an output of the sample-and-hold circuit. A tracking circuit for a still video camera, characterized in that the tracking circuit is connected to one end of a comparator, and the output of a D/A converter is connected to the other end of the comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1918289U JPH02113858U (en) | 1989-02-21 | 1989-02-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1918289U JPH02113858U (en) | 1989-02-21 | 1989-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02113858U true JPH02113858U (en) | 1990-09-12 |
Family
ID=31234469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1918289U Pending JPH02113858U (en) | 1989-02-21 | 1989-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02113858U (en) |
-
1989
- 1989-02-21 JP JP1918289U patent/JPH02113858U/ja active Pending
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