JPS6140733U - Tape damage prevention device - Google Patents
Tape damage prevention deviceInfo
- Publication number
- JPS6140733U JPS6140733U JP12581884U JP12581884U JPS6140733U JP S6140733 U JPS6140733 U JP S6140733U JP 12581884 U JP12581884 U JP 12581884U JP 12581884 U JP12581884 U JP 12581884U JP S6140733 U JPS6140733 U JP S6140733U
- Authority
- JP
- Japan
- Prior art keywords
- pulses
- drum
- rotating body
- prevention device
- damage prevention
- 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
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図は本考案の一実施例の構成図、第２図は同実施例
のカウンタ部及び比較部の動作を示すフローチャートで
ある。
１・・・磁気テープ、２・・・回転体、３・・・検出回
路、５ａ・・・カウント部、５ｂ・・・比較部、７・・
・ドラム制動回路、８・・・回転ドラム、１０・・一駆
動モータ。FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a flowchart showing the operations of the counter section and comparison section of the embodiment. DESCRIPTION OF SYMBOLS 1... Magnetic tape, 2... Rotating body, 3... Detection circuit, 5a... Count section, 5b... Comparison section, 7...
- Drum braking circuit, 8...rotating drum, 10...1 drive motor.
Claims (1)
生装置において、磁気テープの走行により回転する回転
体と、前記回転体の回転数に比例した数のパルスを検出
するパルス検出部と、所定時間内に検出されるパルス数
をカウントするカウント部と、前記パルス数とあらかじ
め設定された設定パルス数と比較しカウントされたパル
ス数が前記設定パルス数より多いときにドラム停止信号
を出力する比較部と、前記ドラム停止信号に応じて回転
ドラムを停止させるドラム制御手段とより構成されるこ
とを特徴とするテープ損傷防止装置。A helical scan type magnetic recording and reproducing device using a rotating head includes a rotating body that rotates as a magnetic tape runs, a pulse detector that detects a number of pulses proportional to the number of rotations of the rotating body, and a pulse detection unit that detects a number of pulses proportional to the number of rotations of the rotating body, a counting unit that counts the number of detected pulses; a comparison unit that compares the number of pulses with a preset number of pulses and outputs a drum stop signal when the number of counted pulses is greater than the set number of pulses; A tape damage prevention device comprising: drum control means for stopping a rotating drum in response to the drum stop signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12581884U JPS6140733U (en) | 1984-08-18 | 1984-08-18 | Tape damage prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12581884U JPS6140733U (en) | 1984-08-18 | 1984-08-18 | Tape damage prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6140733U true JPS6140733U (en) | 1986-03-14 |
Family
ID=30684508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12581884U Pending JPS6140733U (en) | 1984-08-18 | 1984-08-18 | Tape damage prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6140733U (en) |
-
1984
- 1984-08-18 JP JP12581884U patent/JPS6140733U/en active Pending
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