JPS6352124U - - Google Patents
Info
- Publication number
- JPS6352124U JPS6352124U JP14421786U JP14421786U JPS6352124U JP S6352124 U JPS6352124 U JP S6352124U JP 14421786 U JP14421786 U JP 14421786U JP 14421786 U JP14421786 U JP 14421786U JP S6352124 U JPS6352124 U JP S6352124U
- Authority
- JP
- Japan
- Prior art keywords
- tape
- cassette tape
- cassette
- volumes
- running
- 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 3
- 238000010586 diagram Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Description
第１図は本考案に係るカセツトテープレコーダ
の回路構成図、第２図は本考案に係るカセツトテ
ープレコーダのカセツトテープを装着する部分の
周辺構造を示す概略図、第３図は反射板とフオト
リフレクタの関係を示す概略図、第４図及び第５
図は第１図に示す回路構成の各部の信号波形を示
すタイミングチヤートである。
６……第１回転板、６ａ……反射板、９……第
２回転板、９ａ……反射板、１２……第１フオト
リフレクタ、１３……第２フオトリフレクタ、１
８……第１のカセツトテープ、１９……第２のカ
セツトテープ、２０，２１……波形整形用バツフ
ア回路、２２……第１フリツプフロツプ回路、２
３……第２フリツプフロツプ回路、２４，２７…
…排他的ＮＯＲ回路、２５，２８，２９……ＡＮ
Ｄ回路、２６……ＯＲ回路、３０……インバータ
回路。
Fig. 1 is a circuit configuration diagram of a cassette tape recorder according to the present invention, Fig. 2 is a schematic diagram showing the peripheral structure of the portion of the cassette tape recorder according to the present invention to which a cassette tape is attached, and Fig. 3 is a diagram showing the structure of the cassette tape recorder according to the present invention. Schematic diagram showing the relationship of reflectors, Figures 4 and 5
The figure is a timing chart showing signal waveforms at various parts of the circuit configuration shown in FIG. 6...first rotating plate, 6a...reflecting plate, 9... second rotating plate, 9a... reflecting plate, 12... first photoreflector, 13... second photoreflector, 1
8...First cassette tape, 19... Second cassette tape, 20, 21... Waveform shaping buffer circuit, 22... First flip-flop circuit, 2
3...Second flip-flop circuit, 24, 27...
...Exclusive NOR circuit, 25, 28, 29...AN
D circuit, 26...OR circuit, 30...inverter circuit.
Claims (1)
て装着可能であつて、かつ、これら２巻のカセツ
トテープが別々に走行駆動可能に設けられたカセ
ツトテープレコーダにおいて、 前記２巻のカセツトテープの走行状態を個々に
検出するテープ走行検出手段と、 正又は負の排他的論理和回路で構成され、ダビ
ング時、前記テープ走行手段によつて検出された
各検出信号に基いて少なくとも一方のカセツトテ
ープがテープエンドになつたことを検出する１個
のテープエンド検出手段とを備えたことを特徴と
するカセツトテープレコーダ。[Scope of Claim for Utility Model Registration] In a cassette tape recorder in which two volumes of cassette tape can be stacked and mounted on a pair of reel shafts, and these two volumes of cassette tape can be driven and driven separately. , a tape running detection means for individually detecting the running state of the two volumes of cassette tape, and a positive or negative exclusive OR circuit, and each detection signal detected by the tape running means during dubbing. 1. A cassette tape recorder comprising: one tape end detection means for detecting that at least one of the cassette tapes has reached the tape end based on the cassette tape recorder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14421786U JPS6352124U (en) | 1986-09-20 | 1986-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14421786U JPS6352124U (en) | 1986-09-20 | 1986-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6352124U true JPS6352124U (en) | 1988-04-08 |
Family
ID=31054611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14421786U Pending JPS6352124U (en) | 1986-09-20 | 1986-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6352124U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6013060U (en) * | 1983-07-05 | 1985-01-29 | 積水樹脂株式会社 | display fixtures |
-
1986
- 1986-09-20 JP JP14421786U patent/JPS6352124U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6013060U (en) * | 1983-07-05 | 1985-01-29 | 積水樹脂株式会社 | display fixtures |
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