JPH0352885U - - Google Patents
Info
- Publication number
- JPH0352885U JPH0352885U JP11200789U JP11200789U JPH0352885U JP H0352885 U JPH0352885 U JP H0352885U JP 11200789 U JP11200789 U JP 11200789U JP 11200789 U JP11200789 U JP 11200789U JP H0352885 U JPH0352885 U JP H0352885U
- Authority
- JP
- Japan
- Prior art keywords
- counting
- control
- external input
- control device
- pulse
- 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
- 230000003287 optical effect Effects 0.000 description 2
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Description
第1図は本考案を適用したR−DATの部分構
成図、第2図は頭出し動作を説明する為の図であ
る。
1……回転シリンダ、2……磁気テープ、7…
…ホール素子、11……光学センサ、12……光
学センサ、16……メイン制御部、19……タイ
マ用クロツク発生回路、25……カウンタ、28
……タイマ/FGパルス処理部、32……リール
パルス処理部。
FIG. 1 is a partial configuration diagram of an R-DAT to which the present invention is applied, and FIG. 2 is a diagram for explaining the cueing operation. 1... Rotating cylinder, 2... Magnetic tape, 7...
... Hall element, 11 ... Optical sensor, 12 ... Optical sensor, 16 ... Main control section, 19 ... Timer clock generation circuit, 25 ... Counter, 28
...Timer/FG pulse processing section, 32... Reel pulse processing section.
Claims (1)
ウントするカウント手段と、 このカウント手段のカウント値に応じて所定の
制御動作を実行する制御手段と、 この制御手段の制御動作に応じて上記クロツク
信号と上記外部入力パルスとの何れかを選択して
上記カウント手段に与える切替え手段と を有し、 上記カウント手段で上記クロツク信号による計
時動作と、上記外部入力パルスによる計数動作と
を所定の制御動作に応じて選択的に実行させるこ
とを特徴とするテープレコーダの計数制御装置。 (2) 上記外部入力パルスは、テープ送り用のキ
ヤプスタンの回転に伴つて出力されるFGパルス
であり、 上記制御手段は、上記カウント手段での上記ク
ロツク信号による計時動作によりテープのリール
回転の時間周期を計測する制御動作と、上記カウ
ント手段での上記FGパルスによる計数動作によ
り所定長のテープ走行量を計測する制御動作と、
を選択的に実行することを特徴とする請求項1記
載のテープレコーダの計数制御装置。[Claims for Utility Model Registration] (1) A counting means for counting clock signals or external input pulses, a control means for executing a predetermined control operation according to the count value of this counting means, and a control operation of this control means switching means that selects either the clock signal or the external input pulse according to the timing and applies the selected one to the counting means, and the counting means performs a timekeeping operation using the clock signal and a counting operation using the external input pulse. A counting control device for a tape recorder, characterized in that the counting control device selectively executes the following according to a predetermined control operation. (2) The external input pulse is an FG pulse that is output in accordance with the rotation of the tape feeding capstan, and the control means controls the time of the tape reel rotation by the clock signal in the counting means. a control operation for measuring a period, and a control operation for measuring a tape running amount of a predetermined length by a counting operation using the FG pulse in the counting means;
2. The counting control device for a tape recorder according to claim 1, wherein the counting control device selectively executes the following steps.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11200789U JPH0352885U (en) | 1989-09-25 | 1989-09-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11200789U JPH0352885U (en) | 1989-09-25 | 1989-09-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0352885U true JPH0352885U (en) | 1991-05-22 |
Family
ID=31660461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11200789U Pending JPH0352885U (en) | 1989-09-25 | 1989-09-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0352885U (en) |
-
1989
- 1989-09-25 JP JP11200789U patent/JPH0352885U/ja active Pending
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