JPS6415335U - - Google Patents
Info
- Publication number
- JPS6415335U JPS6415335U JP11002387U JP11002387U JPS6415335U JP S6415335 U JPS6415335 U JP S6415335U JP 11002387 U JP11002387 U JP 11002387U JP 11002387 U JP11002387 U JP 11002387U JP S6415335 U JPS6415335 U JP S6415335U
- Authority
- JP
- Japan
- Prior art keywords
- tape
- end detector
- start end
- digital audio
- cassette half
- 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 3
- 238000010586 diagram Methods 0.000 description 2
Description
図は本考案の一実施例を示し、第１図はデジタ
ルオーデイオテープレコーダの概略を示す平面図
、第２図はカセツトハーフが装填されている場合
の検出状態を示す平面図、第３図はカセツトハー
フが装填されていない場合の検出状態を示す平面
図、第４図は検出装置全体のブロツク図、第５図
は同上における比較回路の回路図、第６図はタイ
ミングチヤート図である。
１…カセツトハーフ、４…テープ始端検出器、
５…テープ終端検出器、４ａ，５ａ…発光素子、
４ｂ，５ｂ…受光素子、１０…比較回路。
The figures show one embodiment of the present invention, in which Fig. 1 is a plan view showing the outline of a digital audio tape recorder, Fig. 2 is a plan view showing the detection state when a cassette half is loaded, and Fig. 3 is a plan view showing the outline of a digital audio tape recorder. FIG. 4 is a block diagram of the entire detection device, FIG. 5 is a circuit diagram of the comparison circuit shown in the above, and FIG. 6 is a timing chart. 1...Cassette half, 4...Tape start end detector,
5...Tape end detector, 4a, 5a...Light emitting element,
4b, 5b...light receiving element, 10...comparison circuit.
Claims (1)
るテープの始端を検出するテープ始端検出器と、
テープの終端を検出するテープ終端検出器とを有
するデジタルオーデイオテープレコーダにおいて
、前記テープ始端検出器における発光素子よりの
光をテープ終端検出器における受光素子が検出し
、かつ、前記テープ終端検出器における発光素子
よりの光をテープ始端検出器における受光素子が
検出した時にカセツトハーフ無しの信号を出力す
る比較回路を備えたことを特徴とするデジタルオ
ーデイオテープレコーダにおけるカセツトハーフ
検出装置。 a tape start end detector for detecting the start end of a tape in a cassette half for digital audio;
In a digital audio tape recorder having a tape end detector for detecting the end of the tape, a light receiving element in the tape end detector detects light from a light emitting element in the tape start end detector, and A cassette half detection device for a digital audio tape recorder, comprising a comparison circuit that outputs a signal indicating no cassette half when a light receiving element in a tape start end detector detects light from a light emitting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11002387U JP2542798Y2 (en) | 1987-07-20 | 1987-07-20 | Cassette half detector for digital audio tape recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11002387U JP2542798Y2 (en) | 1987-07-20 | 1987-07-20 | Cassette half detector for digital audio tape recorder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6415335U true JPS6415335U (en) | 1989-01-26 |
| JP2542798Y2 JP2542798Y2 (en) | 1997-07-30 |
Family
ID=31346801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11002387U Expired - Lifetime JP2542798Y2 (en) | 1987-07-20 | 1987-07-20 | Cassette half detector for digital audio tape recorder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2542798Y2 (en) |
-
1987
- 1987-07-20 JP JP11002387U patent/JP2542798Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2542798Y2 (en) | 1997-07-30 |
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