JPH0352886U - - Google Patents
Info
- Publication number
- JPH0352886U JPH0352886U JP11112089U JP11112089U JPH0352886U JP H0352886 U JPH0352886 U JP H0352886U JP 11112089 U JP11112089 U JP 11112089U JP 11112089 U JP11112089 U JP 11112089U JP H0352886 U JPH0352886 U JP H0352886U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic tape
- speed
- converting
- value
- calculating
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Description
第１図はこの考案の磁気テープ走行量検出装置
の一実施例の構成を示すブロツク図、第２は第１
図の実施例における磁気テープの高速走行時の速
度特性図、第３図は第１図の実施例における速度
と加算値の対応を説明する図、第４図はこの考案
の磁気テープ走行量検出装置の他の実施例の構成
を示すブロツク図である。
１，２……周期検出器、３……演算回路、４…
…変換回路、５……カウンタ、６……未記録部検
出回路、７……クリア回路、９……比較回路、１
０……制御回路、１１……機構部、２１……クロ
ツク発生回路。
Fig. 1 is a block diagram showing the configuration of one embodiment of the magnetic tape running amount detecting device of this invention;
A speed characteristic diagram of the magnetic tape during high-speed running in the embodiment shown in the figure, Fig. 3 is a diagram explaining the correspondence between speed and added value in the embodiment shown in Fig. 1, and Fig. 4 shows the magnetic tape running amount detection of this invention. FIG. 3 is a block diagram showing the configuration of another embodiment of the device. 1, 2...Period detector, 3...Arithmetic circuit, 4...
... Conversion circuit, 5 ... Counter, 6 ... Unrecorded portion detection circuit, 7 ... Clear circuit, 9 ... Comparison circuit, 1
0...control circuit, 11...mechanical section, 21...clock generation circuit.
補正 平１．１１．２５
図面の簡単な説明を次のように補正する。
明細書第１２頁第１行目に「第２は」とあるを
、『第２図は』と訂正する。Amendment 1.11.25 Hei 1. The brief description of the drawing is amended as follows. In the first line of page 12 of the specification, the phrase ``Second wa'' is corrected to ``Fig. 2 wa''.
Claims (1)
と、 前記演算手段により演算された前記磁気テープ
の速度を対応する加算値に変換する変換手段と、 所定の周期で前記加算値を加算する加算手段と
、 前記加算手段による前記加算値を加算した値と
所定の基準値とを比較する比較手段とを備える磁
気テープ走行量検出装置。 (2) 前記変換手段は、前記磁気テープの速度に
対応する周波数のクロツクパルスを発生するパル
ス発生回路であり、前記加算手段は前記クロツク
パルスをカウントアツプするカウンタである請求
項１に記載の磁気テープ走行量検出装置。[Claims for Utility Model Registration] (1) Calculating means for calculating the running speed of a magnetic tape; converting means for converting the speed of the magnetic tape calculated by the calculating means into a corresponding addition value; and a predetermined period. A magnetic tape running amount detecting device comprising: an adding means for adding the added value by the adding means; and a comparing means for comparing a value obtained by adding the added value by the adding means with a predetermined reference value. (2) The magnetic tape running device according to claim 1, wherein the converting means is a pulse generating circuit that generates a clock pulse having a frequency corresponding to the speed of the magnetic tape, and the adding means is a counter that counts up the clock pulse. Quantity detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11112089U JPH0352886U (en) | 1989-09-22 | 1989-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11112089U JPH0352886U (en) | 1989-09-22 | 1989-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0352886U true JPH0352886U (en) | 1991-05-22 |
Family
ID=31659617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11112089U Pending JPH0352886U (en) | 1989-09-22 | 1989-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352886U (en) |
-
1989
- 1989-09-22 JP JP11112089U patent/JPH0352886U/ja active Pending
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