JPH0197614U - - Google Patents

Info

Publication number
JPH0197614U
JPH0197614U JP19432387U JP19432387U JPH0197614U JP H0197614 U JPH0197614 U JP H0197614U JP 19432387 U JP19432387 U JP 19432387U JP 19432387 U JP19432387 U JP 19432387U JP H0197614 U JPH0197614 U JP H0197614U
Authority
JP
Japan
Prior art keywords
bass
enhancing
level control
switching means
automatic level
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
JP19432387U
Other languages
Japanese (ja)
Other versions
JPH075697Y2 (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 JP1987194323U priority Critical patent/JPH075697Y2/en
Publication of JPH0197614U publication Critical patent/JPH0197614U/ja
Application granted granted Critical
Publication of JPH075697Y2 publication Critical patent/JPH075697Y2/en
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]

第１図は本考案の一実施例を示す回路図である
。 １は低域フイルタ（低音増強手段）、２はスイ
ツチ、３はスイツチ回路（スイツチング手段）、
４は自動レベル制御回路（自動レベル制御手段）
、５，８はパワーアンプ、Ｒ１〜Ｒ７は抵抗、Ｃ
１〜Ｃ５はコンデンサ、Ｔｒ１，Ｔｒ２はトラン
ジスタ、Ｄ１，Ｄ２はダイオードである。 FIG. 1 is a circuit diagram showing an embodiment of the present invention. 1 is a low-pass filter (bass boosting means), 2 is a switch, 3 is a switch circuit (switching means),
4 is an automatic level control circuit (automatic level control means)
, 5, 8 are power amplifiers, R 1 to R 7 are resistors, C
1 to C5 are capacitors, Tr1 and Tr2 are transistors, and D1 and D2 are diodes.

Claims (1)

【実用新案登録請求の範囲】 入力信号の周波数における低音域を増強する低
音増強手段と、 この低音増強手段による低音増強動作をＯＮ／
ＯＦＦするスイツチング手段と、 出力信号レベルが所定レベル以上のときに、上
記低音増強手段による低音増強動作がＯＦＦとな
るようにスイツチング手段を駆動する自動レベル
制御手段とを備えていることを特徴とする自動レ
ベル制御機能付低音増強回路。[Claims for Utility Model Registration] A bass enhancing means for enhancing the bass range in the frequency of an input signal;
It is characterized by comprising: a switching means for turning off the bass sound; and an automatic level control means for driving the switching means so that the bass enhancing operation by the bass enhancing means is turned off when the output signal level is equal to or higher than a predetermined level. Bass enhancement circuit with automatic level control function.
JP1987194323U 1987-12-21 1987-12-21 Bass boost circuit with automatic level control function Expired - Lifetime JPH075697Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987194323U JPH075697Y2 (en) 1987-12-21 1987-12-21 Bass boost circuit with automatic level control function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987194323U JPH075697Y2 (en) 1987-12-21 1987-12-21 Bass boost circuit with automatic level control function

Publications (2)

Publication Number Publication Date
JPH0197614U true JPH0197614U (en) 1989-06-29
JPH075697Y2 JPH075697Y2 (en) 1995-02-08

Family

ID=31485054

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987194323U Expired - Lifetime JPH075697Y2 (en) 1987-12-21 1987-12-21 Bass boost circuit with automatic level control function

Country Status (1)

Country Link
JP (1) JPH075697Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5068450A (en) * 1973-10-19 1975-06-07
JPS50104847A (en) * 1974-01-19 1975-08-19
JPS5813722U (en) * 1981-07-20 1983-01-28 三洋電機株式会社 Sound quality correction circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4264270A (en) * 1979-08-20 1981-04-28 Carrier Corporation Actuator for adjustable vane means of a turbomachine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5068450A (en) * 1973-10-19 1975-06-07
JPS50104847A (en) * 1974-01-19 1975-08-19
JPS5813722U (en) * 1981-07-20 1983-01-28 三洋電機株式会社 Sound quality correction circuit

Also Published As

Publication number Publication date
JPH075697Y2 (en) 1995-02-08

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