JPH01175021U - - Google Patents

Info

Publication number
JPH01175021U
JPH01175021U JP7121488U JP7121488U JPH01175021U JP H01175021 U JPH01175021 U JP H01175021U JP 7121488 U JP7121488 U JP 7121488U JP 7121488 U JP7121488 U JP 7121488U JP H01175021 U JPH01175021 U JP H01175021U
Authority
JP
Japan
Prior art keywords
circuit
variable resistor
capacitor
reduction enhancement
parallel
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.)
Granted
Application number
JP7121488U
Other languages
Japanese (ja)
Other versions
JPH055691Y2 (en
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 filed Critical
Priority to JP1988071214U priority Critical patent/JPH055691Y2/ja
Publication of JPH01175021U publication Critical patent/JPH01175021U/ja
Application granted granted Critical
Publication of JPH055691Y2 publication Critical patent/JPH055691Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

Description

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

図示した回路は、本考案の音質調整回路の一実
施例である。 主な図番の説明、２……前置増幅回路、３……
可変抵抗器、６……摺動子、９……主増幅回路、
１３……低域増強回路、１６……スイツチングト
ランジスター、１７……音質切換スイツチ。 The illustrated circuit is an embodiment of the sound quality adjustment circuit of the present invention. Explanation of main drawing numbers, 2... Preamplifier circuit, 3 ...
Variable resistor, 6...Slider, 9...Main amplifier circuit,
13 ...Low frequency enhancement circuit, 16...Switching transistor, 17...Sound quality selection switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 摺動子が前置増幅回路の出力端子に接続されて
いると共に一端が接地され、且つ他端が主増幅回
路の入力端子に接続されている可変抵抗器と、該
可変抵抗器に並列に接続されていると共に互いに
直列接続された抵抗及びコンデンサーより成る低
減増強回路と、該低減増強回路を構成するコンデ
ンサーに並列接続されていると共に低減増強不動
作時該コンデンサーの両端を短絡するスイツチン
グ手段とより成る音質調整回路。 A variable resistor whose slider is connected to the output terminal of the preamplifier circuit, one end of which is grounded, and the other end of which is connected to the input terminal of the main amplifier circuit, and the variable resistor is connected in parallel to the variable resistor. a reduction enhancement circuit consisting of a resistor and a capacitor connected in series with each other; and a switching means connected in parallel to the capacitor constituting the reduction enhancement circuit and short-circuiting both ends of the capacitor when the reduction enhancement circuit is not in operation. The sound quality adjustment circuit consists of
JP1988071214U 1988-05-30 1988-05-30 Expired - Lifetime JPH055691Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988071214U JPH055691Y2 (en) 1988-05-30 1988-05-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988071214U JPH055691Y2 (en) 1988-05-30 1988-05-30

Publications (2)

Publication Number Publication Date
JPH01175021U true JPH01175021U (en) 1989-12-13
JPH055691Y2 JPH055691Y2 (en) 1993-02-15

Family

ID=31296424

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988071214U Expired - Lifetime JPH055691Y2 (en) 1988-05-30 1988-05-30

Country Status (1)

Country Link
JP (1) JPH055691Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6145637U (en) * 1984-08-28 1986-03-26 トヨタ自動車株式会社 mechanical brake

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6145637U (en) * 1984-08-28 1986-03-26 トヨタ自動車株式会社 mechanical brake

Also Published As

Publication number Publication date
JPH055691Y2 (en) 1993-02-15

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