JPS63109347U - - Google Patents
Info
- Publication number
- JPS63109347U JPS63109347U JP156887U JP156887U JPS63109347U JP S63109347 U JPS63109347 U JP S63109347U JP 156887 U JP156887 U JP 156887U JP 156887 U JP156887 U JP 156887U JP S63109347 U JPS63109347 U JP S63109347U
- Authority
- JP
- Japan
- Prior art keywords
- cassette
- prism
- tape
- exit
- detection mechanism
- 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 4
Description
第１図は本考案によるテープ検出機構の一実施
例を示す断面図、第２図Ａ，ＢはそれぞれＤＡＴ
用のカセツトの一部を示す断面図と側面図である
。
１……カセツト、２……プリズム方式の入射口
、３……プリズム方式の出射口、４……プリズム
、５……テープ、６，９，１１，１２……光、７
……灯台方式の出射口、８……光源、１０……受
光部、１３……シヤーシ、１４Ｌ，１４Ｒ……カ
セツトホルダ、１４ａ……カセツトホルダの側面
、１４ｂ……開口部、１４ｃ……延長部。
Fig. 1 is a sectional view showing an embodiment of the tape detection mechanism according to the present invention, and Fig. 2 A and B are each a DAT.
FIG. 3 is a cross-sectional view and a side view showing a part of a cassette for use in a computer. 1... Cassette, 2... Prism-type entrance port, 3... Prism-type exit port, 4... Prism, 5... Tape, 6, 9, 11, 12... Light, 7
... Lighthouse type exit, 8 ... Light source, 10 ... Light receiving part, 13 ... Chassis, 14L, 14R ... Cassette holder, 14a ... Side of cassette holder, 14b ... Opening, 14c ... Extension Department.
Claims (1)
出射口、及び灯台方式の出射口とを有するカセツ
トのテープスタートとテープエンドとを光学的に
検出するテープ検出機構において、 ａ カセツト装着時に、カセツト内の略中央に
位置する様に配設された光源。 ｂ カセツト装着時に、光源と灯台方式の出射
口とを結ぶ延長線上に位置する様に配設された受
光部。 ｃ カセツト装着時に、カセツトの側面に位置
してプリズム方式の入射口を遮蔽する様に配設さ
れた遮光部材。 以上ａ〜ｃの各要件を備えたことを特徴とする
テープ検出機構。 (2) 遮光部材が、カセツトホルダの側面に形成
されたものである実用新案登録請求の範囲第(1)
項記載のテープ検出機構。[Scope of Claim for Utility Model Registration] (1) A tape detection mechanism that optically detects the tape start and tape end of a cassette that has a prism on the left and right, a prism-type entrance and exit, and a lighthouse-style exit. In, a. A light source arranged so as to be located approximately at the center inside the cassette when the cassette is installed. b The light receiving section is located on the extension line connecting the light source and the lighthouse type exit when the cassette is installed. c. A light shielding member located on the side of the cassette to shield the prism type entrance when the cassette is installed. A tape detection mechanism characterized by having each of the requirements a to c above. (2) Utility model registration claim No. (1) in which the light shielding member is formed on the side surface of the cassette holder
Tape detection mechanism described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP156887U JPH0454574Y2 (en) | 1987-01-09 | 1987-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP156887U JPH0454574Y2 (en) | 1987-01-09 | 1987-01-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63109347U true JPS63109347U (en) | 1988-07-14 |
| JPH0454574Y2 JPH0454574Y2 (en) | 1992-12-22 |
Family
ID=30779599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP156887U Expired JPH0454574Y2 (en) | 1987-01-09 | 1987-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454574Y2 (en) |
-
1987
- 1987-01-09 JP JP156887U patent/JPH0454574Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0454574Y2 (en) | 1992-12-22 |
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