JPH0416675U - - Google Patents
Info
- Publication number
- JPH0416675U JPH0416675U JP5479990U JP5479990U JPH0416675U JP H0416675 U JPH0416675 U JP H0416675U JP 5479990 U JP5479990 U JP 5479990U JP 5479990 U JP5479990 U JP 5479990U JP H0416675 U JPH0416675 U JP H0416675U
- Authority
- JP
- Japan
- Prior art keywords
- tape
- magnetic tape
- magnetic
- cassette
- tape cassette
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000002834 transmittance Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
Description
第１Ａ図は本考案の一実施例による磁気テープ
カセツトを用いた場合の弛み走行状態におけるテ
ープエンドの検出状態を説明するための概略図、
第１Ｂ図は第１Ａ図に示したＡ−Ａにおける断面
構造図、第２図は第１Ａ図に示した磁気テープカ
セツトが磁気記録再生装置に組込まれた状態を示
した斜視図、第４Ａ図は従来の磁気テープカセツ
トの正常テープ走行状態におけるテープエンドの
検出状態を説明するための概略図、第４Ｂ図は第
４Ａ図に示したＡ−Ａにおける断面構造図、第５
Ａ図は従来の磁気テープカセツトの弛み走行状態
におけるテープエンドの検出状態を説明するため
の概略図、第５Ｂ図は第５Ａ図に示したＡ−Ａに
おける断面構造図である。
図において、１はテープカセツト壁面部、１ａ
はカセツト内壁面、２ａは磁気テープ部、２ｂは
テープリーダー部、３ａ，３ｂはリール、４は受
光素子、５は発光源である。なお、各図中、同一
符号は、同一、または相当部分を示す。
FIG. 1A is a schematic diagram for explaining the tape end detection state in a slack running state when using a magnetic tape cassette according to an embodiment of the present invention;
FIG. 1B is a cross-sectional structural view taken along the line A-A shown in FIG. 1A, FIG. 2 is a perspective view showing the magnetic tape cassette shown in FIG. 1A installed in a magnetic recording and reproducing device, and FIG. 4A 4B is a schematic diagram for explaining the tape end detection state in a normal tape running state of a conventional magnetic tape cassette, FIG. 4B is a cross-sectional structural diagram taken along line A-A shown in FIG.
FIG. 5A is a schematic diagram for explaining the tape end detection state of a conventional magnetic tape cassette in a loose running state, and FIG. 5B is a cross-sectional structural diagram taken along the line AA shown in FIG. 5A. In the figure, 1 is the tape cassette wall part, 1a
2a is a magnetic tape section, 2b is a tape leader section, 3a and 3b are reels, 4 is a light receiving element, and 5 is a light emitting source. Note that in each figure, the same reference numerals indicate the same or equivalent parts.
補正 平２．８．９
図面の簡単な説明を次のように補正する。
明細書の第１１頁第１１行ないし第１３行の「
第４Ａ図は従来の磁気テープカセツトの正常テー
プ走行状態におけるテープエンドの検出状態を説
明するための概略図、」を「第３図は従来の磁気
テープカセツトを示した斜視図、第４Ａ図は従来
の磁気テープカセツトの正常テープ走行状態にお
けるテープエンドの検出状態を説明するための概
略図、」に補正する。Amendment 2.8.9 Hei 2. The brief description of the drawing is amended as follows. "In page 11, lines 11 to 13 of the specification"
4A is a schematic diagram for explaining the tape end detection state in a normal tape running state of a conventional magnetic tape cassette." FIG. 3 is a perspective view of a conventional magnetic tape cassette. A schematic diagram illustrating the detection state of a tape end in a conventional magnetic tape cassette in a normal tape running state.
Claims (1)
れの末端に前記磁気テープと光透過度の異なるテ
ープ読取り部が設けられ、前記磁気テープと前記
テープ読取り部との光透過度の違いを利用して前
記磁気テープのテープエンドの検出が行なわれる
磁気カセツトテープにおいて、 前記磁気テープが収納される収納体の内壁面を
凹凸状にし、かつ、暗色にしたことを特徴とする
、磁気テープカセツト。[Claims for Utility Model Registration] At each end of a take-up reel and a supply reel of a magnetic tape, a tape reading section having a different light transmittance from that of the magnetic tape is provided, and the light transmission between the magnetic tape and the tape reading section is provided. A magnetic cassette tape in which the tape end of the magnetic tape is detected using a difference in magnetic tape, characterized in that the inner wall surface of the storage body in which the magnetic tape is stored is uneven and dark-colored. , magnetic tape cassette.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5479990U JPH0416675U (en) | 1990-05-25 | 1990-05-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5479990U JPH0416675U (en) | 1990-05-25 | 1990-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0416675U true JPH0416675U (en) | 1992-02-12 |
Family
ID=31577185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5479990U Pending JPH0416675U (en) | 1990-05-25 | 1990-05-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416675U (en) |
-
1990
- 1990-05-25 JP JP5479990U patent/JPH0416675U/ja active Pending
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