JPH025131U - - Google Patents
Info
- Publication number
- JPH025131U JPH025131U JP8109788U JP8109788U JPH025131U JP H025131 U JPH025131 U JP H025131U JP 8109788 U JP8109788 U JP 8109788U JP 8109788 U JP8109788 U JP 8109788U JP H025131 U JPH025131 U JP H025131U
- Authority
- JP
- Japan
- Prior art keywords
- tape
- roller
- detection mechanism
- tape speed
- speed detection
- 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 4
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案が適用されるＤＡＴ装置におけ
る各ローラの配置を表わす図、第２図は本考案の
テープ速度検出機構の第１の実施例を表わす図、
第３図は本考案のテープ速度検出機構の第２の実
施例を表わす図である。
図において、１２，１４……ガイドローラ、１
８……ピンチローラ、２４……テープ、３０……
反射形ホトインタラプタ。
FIG. 1 is a diagram showing the arrangement of each roller in a DAT device to which the present invention is applied, and FIG. 2 is a diagram showing a first embodiment of the tape speed detection mechanism of the present invention.
FIG. 3 is a diagram showing a second embodiment of the tape speed detection mechanism of the present invention. In the figure, 12, 14... guide roller, 1
8...pinch roller, 24...tape, 30...
Reflective photointerrupter.
Claims (1)
ラ（１８又は１２，１４）を具備するテープレコ
ーダのテープ速度検出機構において、 該ローラ（１８又は１２，１４）の表面には一
定間隔の縞模様４０，４２を形成し、該縞模様４
０，４２の濃淡を検知する光センサ３０を具備す
ることを特徴とするテープ速度検出機構。[Claims for Utility Model Registration] In a tape speed detection mechanism for a tape recorder equipped with a roller (18 or 12, 14) that constantly rotates at a speed proportional to the tape speed, the surface of the roller (18 or 12, 14) forms striped patterns 40 and 42 at regular intervals, and the striped patterns 4
A tape speed detection mechanism characterized by comprising an optical sensor 30 that detects gradations of 0 and 42.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8109788U JPH025131U (en) | 1988-06-21 | 1988-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8109788U JPH025131U (en) | 1988-06-21 | 1988-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH025131U true JPH025131U (en) | 1990-01-12 |
Family
ID=31305896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8109788U Pending JPH025131U (en) | 1988-06-21 | 1988-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH025131U (en) |
-
1988
- 1988-06-21 JP JP8109788U patent/JPH025131U/ja active Pending