JPS61101885U - - Google Patents
Info
- Publication number
- JPS61101885U JPS61101885U JP18512584U JP18512584U JPS61101885U JP S61101885 U JPS61101885 U JP S61101885U JP 18512584 U JP18512584 U JP 18512584U JP 18512584 U JP18512584 U JP 18512584U JP S61101885 U JPS61101885 U JP S61101885U
- Authority
- JP
- Japan
- Prior art keywords
- detection hole
- magnetic tape
- tape cassette
- depth
- case
- 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 5
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案に係る磁気テープカセツトの要
部における拡大斜視図、第２図は第１図のＡ１―
Ａ１線上における断面図、第３図は本考案とは異
なる構造の検出用穴の欠点を説明する図、第４図
はデジタル信号記録用の磁気テープカセツトの平
面部分欠損図、第５図は使用状態における正面図
である。
１，２……ケース、３……磁気テープ、４，５
……リール、１０……検出用穴、１０１……底面
、１０２〜１０５……内周面、１０６……開口部
、１０７，１０８……開口端縁、イ，ロ……側面
。
FIG. 1 is an enlarged perspective view of the main part of a magnetic tape cassette according to the present invention, and FIG. 2 is an enlarged perspective view of A 1 - of FIG. 1.
A sectional view taken along line A 1 , FIG. 3 is a diagram illustrating the drawbacks of a detection hole with a structure different from that of the present invention, FIG. 4 is a partially cutaway plan view of a magnetic tape cassette for recording digital signals, and FIG. FIG. 3 is a front view in a state of use. 1, 2... Case, 3... Magnetic tape, 4, 5
. . . Reel, 10 . . . Detection hole, 101 . . . Bottom surface, 102 to 105 .
Claims (1)
前記底面と対向する両側を開口させた検出用穴を
設けた磁気テープカセツトにおいて、前記検出用
穴は、前記ケースの厚み方向で見て、開口部端縁
間の深さより内周面間の深さを大きくしたことを
特徴とする磁気テープカセツト。 In a magnetic tape cassette in which a detection hole is provided on a side surface of the case and is surrounded by a bottom surface and an inner circumferential surface and is open on both sides facing the bottom surface, the detection hole has a detection hole that is A magnetic tape cassette characterized in that the depth between the inner peripheral surfaces is greater than the depth between the edges of the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18512584U JPS61101885U (en) | 1984-12-06 | 1984-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18512584U JPS61101885U (en) | 1984-12-06 | 1984-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61101885U true JPS61101885U (en) | 1986-06-28 |
Family
ID=30742605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18512584U Pending JPS61101885U (en) | 1984-12-06 | 1984-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61101885U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5438187U (en) * | 1977-08-19 | 1979-03-13 | ||
| JPS5994279A (en) * | 1982-11-22 | 1984-05-30 | Fuji Photo Film Co Ltd | Magnetic tape cassette and its actuating device |
-
1984
- 1984-12-06 JP JP18512584U patent/JPS61101885U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5438187U (en) * | 1977-08-19 | 1979-03-13 | ||
| JPS5994279A (en) * | 1982-11-22 | 1984-05-30 | Fuji Photo Film Co Ltd | Magnetic tape cassette and its actuating device |
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