JPS61156391U - - Google Patents
Info
- Publication number
- JPS61156391U JPS61156391U JP3970585U JP3970585U JPS61156391U JP S61156391 U JPS61156391 U JP S61156391U JP 3970585 U JP3970585 U JP 3970585U JP 3970585 U JP3970585 U JP 3970585U JP S61156391 U JPS61156391 U JP S61156391U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output terminal
- input signal
- reproduction speaker
- output
- 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
Links
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Description
第1図はこの考案実施例の回路図、第2―a図
〜第2―f図はこの考案に使用されるフイルター
実施例の周波数特性図、第3図は第2―e図の特
性が得られるフイルター回路図、第4―a図、第
4―b図はそれぞれ他のフイルター回路図、第5
―a図、第5―b図はそれぞれ第4―a図、第4
―b図のフイルターを使用したこの考案の周波数
特性図である。
1は入力端子、2aは第1の増幅回路、5はフ
イルター回路、4は減算回路、2bは第2の増幅
回路、3aは第1出力端子、3bは第2出力端子
、6aは高音再生用スピーカー、6bは低音再生
用スピーカーである。
Figure 1 is a circuit diagram of the embodiment of this invention, Figures 2-a to 2-f are frequency characteristic diagrams of the filter embodiment used in this invention, and Figure 3 shows the characteristics of Figure 2-e. The resulting filter circuit diagrams, Figures 4-a and 4-b, are respectively similar to other filter circuit diagrams and Figure 5.
-a and 5-b are respectively 4-a and 4-b.
FIG. 2 is a frequency characteristic diagram of this invention using the filter shown in FIG. 1 is an input terminal, 2a is a first amplifier circuit, 5 is a filter circuit, 4 is a subtraction circuit, 2b is a second amplifier circuit, 3a is a first output terminal, 3b is a second output terminal, 6a is for high frequency reproduction The speaker 6b is a bass reproduction speaker.
補正 昭60.5.27
実用新案登録請求の範囲を次のように補正する
。Amendment May 27, 1980 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
入力信号が印加される1対の入力端子1と入
力信号を増幅する第1の増幅回路2aと前記入力
信号を入力とするフイルター回路5と当該フイル
ター回路5出力信号と前記入力信号を減算する減
算回路4と当該減算回路4の出力信号を増幅する
第2の増幅回路2bと前記第1の増幅回路2aに
接続された第1出力端子3aと前記第2の増幅回
路2bに接続された第2出力端子3bとを有する
増幅器と、少なくとも低音再生用スピーカー6b
と高音再生用スピーカー6aとを有するスピーカ
ーシステムを具備し、高音再生用スピーカー6a
を第1出力端子3aに、低音再生用スピーカー6
bを前記第1および第2出力端子3a,3b間に
それぞれ接続したことを特徴とするオーデイオ再
生装置。 フイルター回路が利得可変型フイルター回路
であることを特徴とする実用新案登録請求の範囲
の欄第1項記載のオーデイオ再生装置。 [Claims for Utility Model Registration] A pair of input terminals 1 to which an input signal is applied, a first amplifier circuit 2a that amplifies the input signal, a filter circuit 5 to which the input signal is input, and an output signal of the filter circuit 5. and a subtraction circuit 4 that subtracts the input signal, a second amplification circuit 2b that amplifies the output signal of the subtraction circuit 4, a first output terminal 3a connected to the first amplification circuit 2a, and the second amplification circuit 4. an amplifier having a second output terminal 3b connected to the circuit 2b; and at least a bass reproduction speaker 6b.
and a high-frequency sound reproduction speaker 6a, the high-frequency sound reproduction speaker 6a
to the first output terminal 3a, the bass reproduction speaker 6
2. An audio reproducing apparatus characterized in that a terminal b is connected between the first and second output terminals 3a and 3b, respectively. The audio reproducing device according to claim 1, wherein the filter circuit is a variable gain filter circuit.
Claims (1)
信号を増幅する第1の増幅回路2aと前記入力信
号を入力とするフイルター回路5と当該フイルタ
ー回路5出力信号と前記入力信号を減算する減算
回路4と当該減算回路4の出力信号を増幅する第
2の増幅回路2bと前記第1の増幅回路2aに接
続された第1出力端子3aと前記第2の増幅回路
2bに接続された第2出力端子3bとを有する増
幅器と、少なくとも低音再生用スピーカー6bと
高音再生用スピーカー6aとを有するスピーカー
システムを具備し、高音再生用スピーカー6aを
第1出力端子3aに、低音再生用スピーカー6b
を前記第1および第2出力端子3a,3b間にそ
れぞれ接続したことを特徴とするオーデイオ再生
装置。 A pair of input terminals 1 to which an input signal is applied, a first amplification circuit 2a that amplifies the input signal, a filter circuit 5 that receives the input signal, and a subtractor that subtracts the output signal of the filter circuit 5 and the input signal. A circuit 4, a second amplification circuit 2b that amplifies the output signal of the subtraction circuit 4, a first output terminal 3a connected to the first amplification circuit 2a, and a second output terminal 3a connected to the second amplification circuit 2b. an amplifier having an output terminal 3b, and a speaker system having at least a bass reproduction speaker 6b and a treble reproduction speaker 6a, with the treble reproduction speaker 6a being connected to the first output terminal 3a, and the bass reproduction speaker 6b
are connected between the first and second output terminals 3a and 3b, respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985039705U JPH067667Y2 (en) | 1985-03-19 | 1985-03-19 | Audio playback device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985039705U JPH067667Y2 (en) | 1985-03-19 | 1985-03-19 | Audio playback device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61156391U true JPS61156391U (en) | 1986-09-27 |
JPH067667Y2 JPH067667Y2 (en) | 1994-02-23 |
Family
ID=30547903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985039705U Expired - Lifetime JPH067667Y2 (en) | 1985-03-19 | 1985-03-19 | Audio playback device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH067667Y2 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5515884A (en) * | 1978-07-21 | 1980-02-04 | Osaka Jidoki Seisakusho:Kk | Heater roller in molding device for thermoplastic film |
JPS5643993U (en) * | 1979-09-12 | 1981-04-21 | ||
JPS59131293A (en) * | 1983-01-17 | 1984-07-28 | Mitsubishi Electric Corp | Network for multi-way speaker device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5264749A (en) * | 1975-11-22 | 1977-05-28 | Hitachi Constr Mach Co Ltd | Automatic controlling device for opening and getting down of bucket |
-
1985
- 1985-03-19 JP JP1985039705U patent/JPH067667Y2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5515884A (en) * | 1978-07-21 | 1980-02-04 | Osaka Jidoki Seisakusho:Kk | Heater roller in molding device for thermoplastic film |
JPS5643993U (en) * | 1979-09-12 | 1981-04-21 | ||
JPS59131293A (en) * | 1983-01-17 | 1984-07-28 | Mitsubishi Electric Corp | Network for multi-way speaker device |
Also Published As
Publication number | Publication date |
---|---|
JPH067667Y2 (en) | 1994-02-23 |
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