JPS6399328U - - Google Patents
Info
- Publication number
- JPS6399328U JPS6399328U JP19518086U JP19518086U JPS6399328U JP S6399328 U JPS6399328 U JP S6399328U JP 19518086 U JP19518086 U JP 19518086U JP 19518086 U JP19518086 U JP 19518086U JP S6399328 U JPS6399328 U JP S6399328U
- Authority
- JP
- Japan
- Prior art keywords
- angular velocity
- time
- drive shaft
- comparator
- signal
- 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 6
- 238000004804 winding Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Description
第１図は本考案の実施例を示すブロツク図、第
２図は従来のテープ終端検出回路を示すブロツク
図である。
１……送出側テープリール、２……巻取側テー
プリール、３，４……駆動軸、５，６……角速度
検出センサ、７……比較器、８……積算回路。
FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a block diagram showing a conventional tape end detection circuit. DESCRIPTION OF SYMBOLS 1... Tape reel on the sending side, 2... Tape reel on the winding side, 3, 4... Drive shaft, 5, 6... Angular velocity detection sensor, 7... Comparator, 8... Integrating circuit.
Claims (1)
駆動する各駆動軸に夫々設けられた第１及び第２
の角速度検出センサと、この角速度検出センサの
後段に接続され両角速度検出センサの角速度差を
比較し各角速度が等速度になる時点で信号を出力
する比較器と、この比較器の後段に接続され、前
記各駆動軸の起動時から時間計測を起算するとと
もに前記信号を受けた時点で積算された時間から
減算を開始する積算回路とを備えていることを特
徴とするテープ終端検出回路。 A first and a second drive shaft are provided on each drive shaft that drives the tape reel on the sending side and the tape reel on the winding side.
an angular velocity detection sensor, a comparator connected after this angular velocity detection sensor, which compares the angular velocity difference between both angular velocity detection sensors and outputs a signal when each angular velocity becomes equal velocity, and a comparator connected after this comparator. . A tape end detection circuit comprising: an integrating circuit that starts time measurement from the time when each of the drive shafts is activated, and starts subtracting from the accumulated time at the time when the signal is received.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19518086U JPS6399328U (en) | 1986-12-18 | 1986-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19518086U JPS6399328U (en) | 1986-12-18 | 1986-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6399328U true JPS6399328U (en) | 1988-06-28 |
Family
ID=31152835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19518086U Pending JPS6399328U (en) | 1986-12-18 | 1986-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6399328U (en) |
-
1986
- 1986-12-18 JP JP19518086U patent/JPS6399328U/ja active Pending
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