JPS62230U - - Google Patents
Info
- Publication number
- JPS62230U JPS62230U JP9004685U JP9004685U JPS62230U JP S62230 U JPS62230 U JP S62230U JP 9004685 U JP9004685 U JP 9004685U JP 9004685 U JP9004685 U JP 9004685U JP S62230 U JPS62230 U JP S62230U
- Authority
- JP
- Japan
- Prior art keywords
- detection
- nozzle
- groove
- vacuum switch
- pressure
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 7
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Description
第１図はこの考案の一実施例を示す要部断面図
、第２図は磁気テープの側面図、第３図は従来装
置の要部断面図、第４図は検出ノズルの他の実施
例を示す断面図である。
１……リール、３……軸、３ａ……溝、５……
ライトイネーブルリング、６……検出ノズル、７
ａ，７ｂ……バキユームスイツチ。
Fig. 1 is a sectional view of the main part showing one embodiment of this invention, Fig. 2 is a side view of the magnetic tape, Fig. 3 is a sectional view of the main part of the conventional device, and Fig. 4 is another embodiment of the detection nozzle. FIG. 1... Reel, 3... Shaft, 3a... Groove, 5...
Light enable ring, 6...Detection nozzle, 7
a, 7b... Bakyume switch.
Claims (1)
られた溝と、この溝の幅と略同一の幅を有しその
幅の略半分が溝の部分にかかるように設けられた
検出ノズルと、この検出ノズル内に送り込まれた
空気の空気圧が所定圧力以上であることを検出す
る第１のバキユームスイツチと、検出ノズル内の
空気圧が第１のバキユームスイツチの検出圧力よ
り高い第２のバキユームスイツチとから構成され
るリングマーク検出装置。 A groove provided on the object to be detected for fitting the ring mark, a detection nozzle having approximately the same width as the groove and provided so that approximately half of the width covers the groove, and the detection nozzle. A first vacuum switch that detects that the air pressure of the air sent into the nozzle is equal to or higher than a predetermined pressure, and a second vacuum switch that detects that the air pressure in the detection nozzle is higher than the detection pressure of the first vacuum switch. A ring mark detection device consisting of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9004685U JPH021704Y2 (en) | 1985-06-17 | 1985-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9004685U JPH021704Y2 (en) | 1985-06-17 | 1985-06-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62230U true JPS62230U (en) | 1987-01-06 |
| JPH021704Y2 JPH021704Y2 (en) | 1990-01-17 |
Family
ID=30644686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9004685U Expired JPH021704Y2 (en) | 1985-06-17 | 1985-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH021704Y2 (en) |
-
1985
- 1985-06-17 JP JP9004685U patent/JPH021704Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH021704Y2 (en) | 1990-01-17 |