JPS6023986U - tape cassette - Google Patents
tape cassetteInfo
- Publication number
- JPS6023986U JPS6023986U JP11437583U JP11437583U JPS6023986U JP S6023986 U JPS6023986 U JP S6023986U JP 11437583 U JP11437583 U JP 11437583U JP 11437583 U JP11437583 U JP 11437583U JP S6023986 U JPS6023986 U JP S6023986U
- Authority
- JP
- Japan
- Prior art keywords
- tape cassette
- transparent part
- transparent
- tape
- built
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図及び第２図はビデオ用テープカセットの説明図、
第３図はビデオテープレコーダのテープ端検出手段に用
いられている受光素子の分光感度特性図、第４図及び第
５図は本考案に係るテープカセットの要部断面図、第６
図は本考案のテープカセットの透明窓部に用いた素材の
光透過率を示すグラフである。
２０．３０・・・テープカセットの透明窓部を構成す・
る板体、２１．３１・・・透明材、２２・・・近赤外線
吸収剤。
□［／１
４ｖ 、、ｙｙ
ＤＬＩｖオ６ 臼
※
＼ 〜
４川？（ｌｌＬ−）Figures 1 and 2 are explanatory diagrams of a video tape cassette;
FIG. 3 is a spectral sensitivity characteristic diagram of a light-receiving element used in the tape end detection means of a video tape recorder, FIGS. 4 and 5 are sectional views of essential parts of a tape cassette according to the present invention, and FIG.
The figure is a graph showing the light transmittance of the material used for the transparent window portion of the tape cassette of the present invention. 20.30...Constituting the transparent window of the tape cassette.
21. 31... Transparent material, 22... Near-infrared absorber. □[/1 4v ,,yy
DLIvO6 mortar* ＼ ~ 4 rivers? (llL-)
Claims (1)
回量を視認することのできる透明部の構成されたテープ
カセットにおいて、該透明部を近赤外線を吸収する透明
材で構成したことを特徴とするテープカセット。A tape cassette having a transparent part that allows the amount of magnetic tape wound around a built-in reel hub to be visually confirmed, characterized in that the transparent part is made of a transparent material that absorbs near-infrared rays. tape cassette.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11437583U JPS6023986U (en) | 1983-07-25 | 1983-07-25 | tape cassette |
| US06/633,377 US4740857A (en) | 1983-07-25 | 1984-07-23 | Tinted tape cassette having an optical tape sensing construction |
| EP84108744A EP0137929B1 (en) | 1983-07-25 | 1984-07-24 | Tinted tape cassette |
| KR2019840007112U KR900003081Y1 (en) | 1983-07-25 | 1984-07-24 | Tape cassette |
| DE198484108744T DE137929T1 (en) | 1983-07-25 | 1984-07-24 | COLORED MAGNETIC TAPE CASSETTE. |
| DE8484108744T DE3474739D1 (en) | 1983-07-25 | 1984-07-24 | Tinted tape cassette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11437583U JPS6023986U (en) | 1983-07-25 | 1983-07-25 | tape cassette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6023986U true JPS6023986U (en) | 1985-02-19 |
Family
ID=30264414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11437583U Pending JPS6023986U (en) | 1983-07-25 | 1983-07-25 | tape cassette |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6023986U (en) |
-
1983
- 1983-07-25 JP JP11437583U patent/JPS6023986U/en active Pending
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