JPH0213315U - - Google Patents
Info
- Publication number
- JPH0213315U JPH0213315U JP8992788U JP8992788U JPH0213315U JP H0213315 U JPH0213315 U JP H0213315U JP 8992788 U JP8992788 U JP 8992788U JP 8992788 U JP8992788 U JP 8992788U JP H0213315 U JPH0213315 U JP H0213315U
- Authority
- JP
- Japan
- Prior art keywords
- detector
- switch
- controlled
- output
- detecting
- 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
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案の実施例を示すブロツク図、第
２図は外部にて車載用ラジオの電源が遮断された
際の各部電圧のタイミングを示す図である。
１……バツテリー、２……開閉器、３，４，１
１，１３，１４，１６……端子、５……電源スイ
ツチ、６……論理回路、７……ダイオード、８，
１７……リレー駆動回路、９……ラジオ受信機、
１０，１８，１９……リレー、１２，１５……接
続線、２０……増幅器、２１……検出端子、２２
……スピーカ、２３，２６……コンデンサ、２４
，２５……抵抗である。
FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a diagram showing the timing of voltages at various parts when the power to the car radio is cut off externally. 1... Battery, 2... Switch, 3, 4, 1
1, 13, 14, 16...Terminal, 5...Power switch, 6...Logic circuit, 7...Diode, 8,
17... Relay drive circuit, 9... Radio receiver,
10, 18, 19... Relay, 12, 15... Connection line, 20... Amplifier, 21... Detection terminal, 22
...Speaker, 23, 26...Capacitor, 24
, 25...resistance.
Claims (1)
る第１の音響機器と、検出器１の出力により制御
される開閉器１と開閉器１の状態を検出する検出
器２を有する第２の音響機器と、検出器２の出力
によつて制御される開閉器２を第１の音響機器内
に具備することを特徴とする車載用音響装置。 A first acoustic device having a detector 1 capable of detecting power-on, a second acoustic device having a switch 1 controlled by the output of the detector 1 and a detector 2 detecting the state of the switch 1. An on-vehicle audio device characterized by comprising a switch 2 controlled by the output of a detector 2 in a first audio device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8992788U JPH0213315U (en) | 1988-07-08 | 1988-07-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8992788U JPH0213315U (en) | 1988-07-08 | 1988-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0213315U true JPH0213315U (en) | 1990-01-26 |
Family
ID=31314466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8992788U Pending JPH0213315U (en) | 1988-07-08 | 1988-07-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0213315U (en) |
-
1988
- 1988-07-08 JP JP8992788U patent/JPH0213315U/ja active Pending
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