JPS6244542U - - Google Patents
Info
- Publication number
- JPS6244542U JPS6244542U JP13531885U JP13531885U JPS6244542U JP S6244542 U JPS6244542 U JP S6244542U JP 13531885 U JP13531885 U JP 13531885U JP 13531885 U JP13531885 U JP 13531885U JP S6244542 U JPS6244542 U JP S6244542U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- audio
- output
- audio signal
- output terminal
- 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
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 230000005236 sound signal Effects 0.000 claims 6
- 230000003213 activating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
第1図は、本考案による車載オーデイオ装置の
一例を示すブロツク図、第2図は、中継回路の一
例を示すブロツク図、第3図は、操作制御部の制
御動作を説明する為のフローチヤート、第4図及
び第6図は、従来の車載オーデイオ装置例を示す
ブロツク図、第5図は、信号選択回路例を示す回
路図である。
主要部分の符号の説明、1,20……CDプレ
ーヤ、2,30……AM/FMチユーナ、4,5
1……信号処理部、7……信号選択回路、10…
…操作制御部、13……中継回路、13a……相
加回路、13b……負帰還増振器。
Fig. 1 is a block diagram showing an example of an in-vehicle audio device according to the present invention, Fig. 2 is a block diagram showing an example of a relay circuit, and Fig. 3 is a flowchart for explaining the control operation of the operation control section. , FIG. 4 and FIG. 6 are block diagrams showing an example of a conventional in-vehicle audio device, and FIG. 5 is a circuit diagram showing an example of a signal selection circuit. Explanation of symbols of main parts, 1, 20...CD player, 2, 30...AM/FM tuner, 4, 5
1... Signal processing unit, 7... Signal selection circuit, 10...
...Operation control unit, 13...Relay circuit, 13a...Additive circuit, 13b...Negative feedback amplifier.
Claims (1)
ーデイオ信号源からのオーデイオ信号を中継する
中継回路と、前記中継回路によつて中継されたオ
ーデイオ信号を音声に変換する音声出力回路と、
操作指令に応じて前記オーデイオ信号源のいずれ
かを作動せしめる2つの出力信号を相加する第1
相加回路と、前記第1相加回路の出力端に接続さ
れる逆相入力端と出力端との間に帰還抵抗が接続
された第1演算増振器と、前記第1演算増振器の
出力と残りの1のオーデイオ信号源の出力とを相
加する第2相加回路と、前記第2相加回路の出力
端に接続される逆相入力端と出力端との間に帰還
抵抗が接続された第2演算増振器とを有すること
を特徴とする車載オーデイオ装置。 at least three audio signal sources, a relay circuit that relays audio signals from the audio signal sources, and an audio output circuit that converts the audio signals relayed by the relay circuit into audio;
a first summing two output signals for activating either of said audio signal sources in response to an operating command;
an additive circuit; a first operational vibration intensifier having a feedback resistor connected between a negative phase input terminal and an output terminal connected to the output terminal of the first operational vibration circuit; and the first operational vibration intensifier. and a feedback resistor between a second adder circuit that adds the output of the second adder circuit and the output of the remaining one audio signal source, and a negative phase input terminal and an output terminal connected to the output terminal of the second adder circuit. An in-vehicle audio device comprising: a second operational amplifier connected to the in-vehicle audio device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13531885U JPS6244542U (en) | 1985-09-03 | 1985-09-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13531885U JPS6244542U (en) | 1985-09-03 | 1985-09-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6244542U true JPS6244542U (en) | 1987-03-18 |
Family
ID=31037391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13531885U Pending JPS6244542U (en) | 1985-09-03 | 1985-09-03 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6244542U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03100322U (en) * | 1990-01-29 | 1991-10-21 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5319703A (en) * | 1976-08-06 | 1978-02-23 | Nec Corp | Simultaneous call and its unit |
-
1985
- 1985-09-03 JP JP13531885U patent/JPS6244542U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5319703A (en) * | 1976-08-06 | 1978-02-23 | Nec Corp | Simultaneous call and its unit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03100322U (en) * | 1990-01-29 | 1991-10-21 |
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