JPH0310686U - - Google Patents
Info
- Publication number
- JPH0310686U JPH0310686U JP7223089U JP7223089U JPH0310686U JP H0310686 U JPH0310686 U JP H0310686U JP 7223089 U JP7223089 U JP 7223089U JP 7223089 U JP7223089 U JP 7223089U JP H0310686 U JPH0310686 U JP H0310686U
- Authority
- JP
- Japan
- Prior art keywords
- remote control
- control operation
- capacitors
- capacitance
- main body
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Selective Calling Equipment (AREA)
Description
第１図はこの考案の一実施例を示す電気回路図
、第２図は従来例の第１図対応図である。
１……ヘツドホン、２……カセツトプレーヤー
本体、３……ヘツドホンプラグ、４……ヘツドホ
ンジヤツク、３ａ〜３ｄ……端子、４ａ〜４ｄ…
…端子、５，６……パワーアンプ、７……ＣＲ発
振器、７ａ……インバータ、８……カウンタ、Ｌ
１，Ｌ２……ヘツドホンコイル、Ｃ１〜Ｃ８……
コンデンサ、Ｓ１〜Ｓ４……リモコンスイツチ、
Ｒ１……抵抗。
FIG. 1 is an electric circuit diagram showing one embodiment of this invention, and FIG. 2 is a diagram corresponding to FIG. 1 of a conventional example. 1...Headphone, 2...Cassette player body, 3...Headphone plug, 4...Headphone jack, 3a-3d...Terminal, 4a-4d...
...Terminal, 5, 6...Power amplifier, 7...CR oscillator, 7a...Inverter, 8...Counter, L
1 , L2 ... Headphone coil, C1 to C8 ...
Capacitor, S 1 to S 4 ... remote control switch,
R1 ...Resistance.
Claims (1)
リモコン操作部が複数のコンデンサと、前記コン
デンサを直列又は並列に接続して容量を変化させ
る複数のリモコンスイツチを備え、音響再生装置
本体が前記コンデンサの容量変化に伴つて発振周
波数が変化する発振回路と、発振回路の発振周波
数からリモコン操作部のいずれのリモコンスイツ
チが操作されたかを判別する判別回路を備えたこ
とを特徴とするリモコン装置付音響再生装置。 Consists of a remote control operation part and the main body of the sound reproduction device,
The remote control operation unit includes a plurality of capacitors and a plurality of remote control switches that connect the capacitors in series or parallel to change the capacitance, and the main body of the sound reproduction device is an oscillation circuit whose oscillation frequency changes as the capacitance of the capacitor changes. and a determination circuit for determining which remote control switch of the remote control operation unit has been operated based on the oscillation frequency of the oscillation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7223089U JPH0310686U (en) | 1989-06-19 | 1989-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7223089U JPH0310686U (en) | 1989-06-19 | 1989-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0310686U true JPH0310686U (en) | 1991-01-31 |
Family
ID=31609986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7223089U Pending JPH0310686U (en) | 1989-06-19 | 1989-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0310686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7428511B2 (en) | 1997-03-31 | 2008-09-23 | Hitachi, Ltd. | Electronic business transaction system |
-
1989
- 1989-06-19 JP JP7223089U patent/JPH0310686U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7428511B2 (en) | 1997-03-31 | 2008-09-23 | Hitachi, Ltd. | Electronic business transaction system |
| US7590597B2 (en) | 1997-03-31 | 2009-09-15 | Hitachi, Ltd. | Electronic business transaction system |
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