JPH01159228U - - Google Patents
Info
- Publication number
- JPH01159228U JPH01159228U JP5421788U JP5421788U JPH01159228U JP H01159228 U JPH01159228 U JP H01159228U JP 5421788 U JP5421788 U JP 5421788U JP 5421788 U JP5421788 U JP 5421788U JP H01159228 U JPH01159228 U JP H01159228U
- Authority
- JP
- Japan
- Prior art keywords
- tape
- reflective member
- magnetic recording
- side plate
- photodetector
- 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
Description
第１図は本考案の第１実施例を示すものであり
カセツト駆動ユニツトの断面図、第２図は第１実
施例においてテープ駆動部に装填されたテープカ
セツトとテープ検知装置を示す断面図、第３図と
第４図は第１実施例におけるカセツトローデイン
グ機構部分を示す側面図、第５図は本考案の第２
実施例によるテープ検知装置を示す断面図、第６
図は本考案の第３実施例によるテープ検知装置を
示す断面図、第７図はテープカセツトのテープ露
出部を示す斜視図、第８図は従来のカセツトロー
デング機構を示す側面図、第９図は従来のテープ
検知装置を示す断面図である。
１……テープカセツト、１０……プリズム（反
射部材）、Ｔ……テープ、２４……シヤーシ側板
、２５……ガイド板、２７……カセツトホルダ、
Ｄ〜Ｏ……穴、３０……ホルダ、３１……発光部
材、３２……受光部材。
FIG. 1 shows a first embodiment of the present invention, and is a cross-sectional view of a cassette drive unit. FIG. Figures 3 and 4 are side views showing the cassette loading mechanism in the first embodiment, and Figure 5 is the second embodiment of the present invention.
Cross-sectional view showing the tape detection device according to the embodiment, No. 6
The figures are a sectional view showing a tape detection device according to a third embodiment of the present invention, Fig. 7 is a perspective view showing the exposed tape portion of a tape cassette, Fig. 8 is a side view showing a conventional cassette loading mechanism, and Fig. 9 is a side view showing a conventional cassette loading mechanism. The figure is a sectional view showing a conventional tape detection device. 1... Tape cassette, 10... Prism (reflection member), T... Tape, 24... Chassis side plate, 25... Guide plate, 27... Cassette holder,
D to O... Hole, 30... Holder, 31... Light emitting member, 32... Light receiving member.
Claims (1)
送る反射部材が設けられているテープカセツトが
装填される磁気記録再生装置であつて、このテー
プカセツトがテープ駆動部に設置された状態にお
いて前記反射部材を覆うように配置される複数枚
の側板が設けられてこの側板の外側に前記反射部
材に対向する光検知器が設けられており、前記複
数枚の側板の各々には光検知器と反射部材を結ぶ
線上に位置し且つ各側板ごとに開口面積が段階的
に相違する光通路が形成されて成る磁気記録再生
装置のテープ検知装置。 A magnetic recording/reproducing device loaded with a tape cassette provided with a reflective member that transmits light across a tape extending from a tape reel, the tape cassette covering the reflective member when installed in a tape drive unit. A plurality of side plates are arranged such that a photodetector facing the reflective member is provided on the outside of the side plate, and each of the plurality of side plates connects the photodetector and the reflective member. A tape detection device for a magnetic recording/reproducing device in which an optical path is formed on a line and has an opening area that differs stepwise for each side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5421788U JPH01159228U (en) | 1988-04-21 | 1988-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5421788U JPH01159228U (en) | 1988-04-21 | 1988-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01159228U true JPH01159228U (en) | 1989-11-02 |
Family
ID=31280152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5421788U Pending JPH01159228U (en) | 1988-04-21 | 1988-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01159228U (en) |
-
1988
- 1988-04-21 JP JP5421788U patent/JPH01159228U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01159228U (en) | ||
| JPS6121050U (en) | Index signal generation mechanism of magnetic recording/reproducing device | |
| JPH01177457U (en) | ||
| JPS5920491U (en) | magnetic tape cassette | |
| JPH0519861Y2 (en) | ||
| JPS58111163A (en) | Information detection tape cassette | |
| JPH0454574Y2 (en) | ||
| JPH0216434U (en) | ||
| JPH0216433U (en) | ||
| JPS5839749U (en) | Rotation detection device for rotating members in tape recorders, etc. | |
| JPS60194751U (en) | disk handling equipment | |
| JPS6226637U (en) | ||
| JPS58190885U (en) | Colored reel hub for video cassettes | |
| JPH032445U (en) | ||
| JPH0462527U (en) | ||
| JPS59135580U (en) | Tape cassette recognition mechanism | |
| JPS61121531U (en) | ||
| JPS59104383U (en) | tape cassette | |
| JPH0398723U (en) | ||
| JPS6257966U (en) | ||
| JPS59185744U (en) | Head and tape position detection device | |
| JPS6374729U (en) | ||
| JPS60123781U (en) | tape cassette | |
| JPS6322640U (en) | ||
| JPS58215747A (en) | Magnetic recording and reproducing device |