JPH0462591U - - Google Patents
Info
- Publication number
- JPH0462591U JPH0462591U JP10495590U JP10495590U JPH0462591U JP H0462591 U JPH0462591 U JP H0462591U JP 10495590 U JP10495590 U JP 10495590U JP 10495590 U JP10495590 U JP 10495590U JP H0462591 U JPH0462591 U JP H0462591U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- frame
- dividing
- time display
- recording
- 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
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Description
第1図は本考案の一実施例の磁気記録再生装置
におけるリニアタイムカウントに関するブロツク
図、第2図は第1図におけるリニアタイムカウン
ト処理を示すフローチヤート、第3図は従来の磁
気記録再生装置におけるリニアタイムカウントに
関するブロツク図、第4図は第3図におけるリニ
アタイムカウント処理を示すフローチヤートであ
る。
1……ビデオテープ、2……コントロールヘツ
ド、3……記録再生切換スイツチ、4……マイク
ロコンピユータ、5……垂直同期分離回路、6…
…1/2分周器、7……フレーム周波数選択スイツ
チ、8……リニアタイムカウンタ表示器、9……
1/5分周器。
FIG. 1 is a block diagram regarding linear time counting in a magnetic recording/reproducing apparatus according to an embodiment of the present invention, FIG. 2 is a flowchart showing the linear time counting process in FIG. 1, and FIG. 3 is a conventional magnetic recording/reproducing apparatus. FIG. 4 is a flowchart showing the linear time counting process in FIG. 3. DESCRIPTION OF SYMBOLS 1...Video tape, 2...Control head, 3...Record/playback switch, 4...Microcomputer, 5...Vertical synchronization separation circuit, 6...
...1/2 frequency divider, 7...Frame frequency selection switch, 8...Linear time counter display, 9...
1/5 frequency divider.
Claims (1)
生することが可能な磁気記録再生装置であつて、 記録時又は再生時に入力映像信号又は記録媒体
から検出されるフレーム周期のコントロールパル
スを入力し、異なつた放送方式における第1、第
2のフレーム周波数の最大公約数で前記コントロ
ールパルスを分周する分周手段と、 異なつた放送方式における第1又は第2のフレ
ーム周波数を選択するためのフレーム周波数選択
スイツチと、 前記分周手段からの分周されたパルスを入力し
、このパルスをカウントし、前記フレーム周波数
選択スイツチにより選択された第1又は第2のフ
レーム周波数に対応する分周比で分周し、時間表
示用データに換算する演算処理手段と、 この演算処理手段からの時間表示用データを表
示する時間表示手段と を具備したことを特徴とする磁気記録再生装置。[Claims for Utility Model Registration] A magnetic recording and reproducing device capable of recording or reproducing broadcasting systems with different frame frequencies, which controls the frame period detected from an input video signal or recording medium during recording or reproduction. frequency dividing means for inputting a pulse and dividing the frequency of the control pulse by the greatest common divisor of the first and second frame frequencies in different broadcasting systems; and selecting the first or second frame frequency in the different broadcasting systems. a frame frequency selection switch for inputting the frequency-divided pulses from the frequency dividing means, counting the pulses, and corresponding to the first or second frame frequency selected by the frame frequency selection switch; 1. A magnetic recording and reproducing device comprising: arithmetic processing means for dividing the frequency by a frequency division ratio and converting it into time display data; and a time display means for displaying the time display data from the arithmetic processing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10495590U JPH0462591U (en) | 1990-10-05 | 1990-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10495590U JPH0462591U (en) | 1990-10-05 | 1990-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0462591U true JPH0462591U (en) | 1992-05-28 |
Family
ID=31850433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10495590U Pending JPH0462591U (en) | 1990-10-05 | 1990-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0462591U (en) |
-
1990
- 1990-10-05 JP JP10495590U patent/JPH0462591U/ja active Pending
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