JPS6116618U - Vehicle audio equipment - Google Patents

Vehicle audio equipment

Info

Publication number
JPS6116618U
JPS6116618U JP10110184U JP10110184U JPS6116618U JP S6116618 U JPS6116618 U JP S6116618U JP 10110184 U JP10110184 U JP 10110184U JP 10110184 U JP10110184 U JP 10110184U JP S6116618 U JPS6116618 U JP S6116618U
Authority
JP
Japan
Prior art keywords
voltage
low
section
voltage amplifier
vehicle audio
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
Application number
JP10110184U
Other languages
Japanese (ja)
Inventor
鉄也 鶴岡
Original Assignee
松下電器産業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP10110184U priority Critical patent/JPS6116618U/en
Publication of JPS6116618U publication Critical patent/JPS6116618U/en
Pending legal-status Critical Current

Links

Landscapes

  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Amplifiers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の車両用音響装置のブロック図、第２図は
従来の車両用ＤＣ−ＤＣコンバータの電気回路図、第３
図は本考案の一実施例における車両用音響装置の電気回
路図である。 １０・・・信号源、１１・・・アンプ部、１２・・・高
負荷抵抗、１３・・・アンプ部、１４・・・ＤＣ−ＤＣ
コンバータ部、１５・・・スピーカ、１６・・・直流電
源。Figure 1 is a block diagram of a conventional vehicle audio system, Figure 2 is an electric circuit diagram of a conventional vehicle DC-DC converter, and Figure 3 is a block diagram of a conventional vehicle audio system.
The figure is an electrical circuit diagram of a vehicle audio device according to an embodiment of the present invention. 10... Signal source, 11... Amplifier section, 12... High load resistance, 13... Amplifier section, 14... DC-DC
Converter section, 15...Speaker, 16...DC power supply.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 低電圧により動作し、入力信号を増幅する低電圧用アン
プ部と高電圧を出力する直流電源と、この直流電源の高
電圧を低電圧に変換するＤＣ − ＤＣコンバータ部お
よび上記高電圧により動作する高電圧用アンプ部および
この高電圧用アンプ部の入力端に接続された高負荷抵抗
とからなるＤＣ−ＤＣコンバータ装置とを具備し、上記
，ＤＣ−ＤＣコンバータ部の出力電圧を上記低電圧用ア
ンプ部に印加し、この低電圧用アンプの出力を上記高負
荷抵抗を介して上記高電圧用アンプ部で増幅することを
特徴とする車両用音響装置。A low-voltage amplifier section that operates on low voltage and amplifies the input signal, a DC power supply that outputs high voltage, a DC-DC converter section that converts the high voltage of this DC power supply to low voltage, and a DC-DC converter section that operates on the high voltage. A DC-DC converter device consisting of a high-voltage amplifier section and a high-load resistor connected to the input terminal of the high-voltage amplifier section, and converts the output voltage of the DC-DC converter section to the low-voltage amplifier section. A vehicle audio device characterized in that the output of the low-voltage amplifier is amplified by the high-voltage amplifier via the high-load resistor.
JP10110184U 1984-07-04 1984-07-04 Vehicle audio equipment Pending JPS6116618U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10110184U JPS6116618U (en) 1984-07-04 1984-07-04 Vehicle audio equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10110184U JPS6116618U (en) 1984-07-04 1984-07-04 Vehicle audio equipment

Publications (1)

Publication Number Publication Date
JPS6116618U true JPS6116618U (en) 1986-01-30

Family

ID=30660541

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10110184U Pending JPS6116618U (en) 1984-07-04 1984-07-04 Vehicle audio equipment

Country Status (1)

Country Link
JP (1) JPS6116618U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS558169A (en) * 1978-07-05 1980-01-21 Toshiba Corp Multi-step amplifier

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS558169A (en) * 1978-07-05 1980-01-21 Toshiba Corp Multi-step amplifier

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