JPS6326476B2 - - Google Patents
Info
- Publication number
- JPS6326476B2 JPS6326476B2 JP56176094A JP17609481A JPS6326476B2 JP S6326476 B2 JPS6326476 B2 JP S6326476B2 JP 56176094 A JP56176094 A JP 56176094A JP 17609481 A JP17609481 A JP 17609481A JP S6326476 B2 JPS6326476 B2 JP S6326476B2
- Authority
- JP
- Japan
- Prior art keywords
- main body
- audio device
- small audio
- small
- listening
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
Description
【発明の詳細な説明】
本発明はヘツドホン受聴専用の小型音響機器と
スピーカを主体とする機器本体とを着脱自在に構
成した着脱式音響装置に関するものであり、その
目的とするところは上記小型音響機器と上記機器
本体との合体時に小型音響機器でのヘツドホン受
聴と上記機器本体でのスピーカ受聴とを適切にし
て同時に行なうことができる着脱式音響装置を提
供することにある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a detachable audio device in which a compact audio device exclusively for headphone listening and a device main body mainly consisting of a speaker are detachably configured. To provide a detachable audio device capable of suitably and simultaneously performing headphone listening in a small audio device and speaker listening in the device main body when the device and the device main body are combined.
一般に、ヘツドホン受聴専用のテープメカニズ
ムを主体とする小型音響機器と、スピーカを主体
とする機器本体とを着脱自在に構成する場合、上
記小型音響機器にはテープメカニズムによる再生
信号をヘツドホン受聴するために増幅する出力増
幅器が設けられ、上記機器本体には上記小型音響
機器からのテープメカニズムによる再生信号をス
ピーカ又はヘツドホンで受聴するために増幅する
電力増幅器が設けられる。そして、上記小型音響
機器は上記機器本体から分離されて携帯して使用
し得るように電源としての電池が設けられ、上記
機器本体は上記小型音響機器から分離されてそれ
自体がアンプ付のスピーカシステムとして機能す
るよう電源が設けられる。一方、小型音響機器と
機器本体の着脱状況を検出する着脱検出機構を設
け、この着脱検出機構に連動するスイツチで上記
小型音響機器に設けた電源を切り離すも上記小型
音響機器の出力増幅器に上記機器本体に設けた電
源から動作電圧を供給し、上記小型音響機器およ
び機器本体のいずれもが動作するように構成して
いた。 Generally, when a small audio device mainly has a tape mechanism for listening to headphones and a main body of the device mainly consists of speakers, which are configured to be removable, the small audio device has a tape mechanism that allows playback signals to be received by the headphone. An output amplifier for amplifying is provided, and the main body of the device is provided with a power amplifier for amplifying a signal reproduced by the tape mechanism from the small audio device so that it can be heard by a speaker or headphones. The small audio device is separated from the main body of the device and is provided with a battery as a power source so that it can be carried and used, and the main body of the device is separated from the small audio device and has its own speaker system with an amplifier. A power source is provided to function as a power source. On the other hand, an attachment/detachment detection mechanism is provided that detects the attachment/detachment status of the small audio device and the main body of the device, and a switch linked to this attachment/detachment detection mechanism disconnects the power supply to the small audio device. The configuration was such that both the small acoustic device and the device main body were operated by supplying an operating voltage from a power source provided in the main body.
しかしながら、上述した着脱式音響装置では上
記機器本体と上記小型音響機器を合体した時に上
記小型音響機器の音量調整ボリウムを操作不能化
しているため、合体的には上記機器本体によつて
スピーカ受聴するか、ヘツドホン受聴するかのい
ずれかでしか受聴できないものであり、上記小型
音響機器に設けたヘツドホンジヤツクが遊んでし
まうという問題があつた。 However, in the detachable audio device described above, when the main body of the device and the small audio device are combined, the volume adjustment volume of the small audio device is disabled, so when combined, listening is performed through the speaker by the main body of the device. This can only be heard either by listening to the audio or by listening through headphones, and there is a problem in that the headphone jack installed in the above-mentioned small audio equipment becomes idle.
本発明は、このような従来の欠点を解消するも
のであり、小型音響機器と機器本体の合体時に上
記小型音響機器におけるヘツドホン受聴を適切に
行なえるように、そのヘツドホン受聴のための音
量調整ボリウムの操作を可能ならしめたところに
特長を有する。 The present invention solves such conventional drawbacks, and provides a volume adjustment volume for headphone listening so that the headphone listening can be performed appropriately in the small audio equipment when the small audio equipment and the main body of the equipment are combined. The feature is that it makes it possible to operate.
以下、本発明の着脱式音響装置の実施例につい
て説明する。第１図および第２図は本発明の一実
施例を示しており、図中、１はヘツドホン受聴専
用のテープメカニズムを主体とする小型音響機器
であり、その上面部に電源スイツチ音量ボリウム
等の操作釦２、テープメカニズムの操作釦３群、
およびヘツドホンジヤツク４が設けられている。
５はスピーカ６，７を主体とする機器本体であ
り、その上面部に電源スイツチの操作釦８が設け
られると共にその側面部にヘツドホンジヤツク９
およびライン入力端子１４が設けられている。上
記機器本体５はその中央部に上記小型音響機器１
を収納するための凹部１０が設けられており、そ
の凹部１０内に電源および信号接続用のコネクタ
１１―１，１１―２，１１―３が設けられると共
に着脱検出片１２が設けられている。上記機器本
体５の凹部に着脱自在な小型音響機器１には上記
コネクタ１１―１，１１―２，１１―３にそれぞ
れ対応するようにコネクタ１３―１，１３―２，
１３―３が設けられており、上記着脱検出片１２
に対応してスイツチSW1が設けられている。上記
小型音響機器１は第２図に示すように再生ヘツド
２１で検出した信号が前置アンプ２２で増幅され
てトランジスタ２３に加えられ、このトランジス
タ２３のコレクタ側に取り出した信号が結合コン
デンサC1およびボリウム２４を介してパワーア
ンプ２５で増幅されてヘツドホンジヤツク４に取
り出されるようになつている。そして、上記スイ
ツチSW1の一方の固定端子ａに接続した電源電池
２６によつて動作電圧が与えられるようになつて
いる。上記小型音響機器１に設けたコネクタのう
ち、コネクタ１３―１は結合コンデンサC2を介
して上記トランジスタ２３のエミツタに、上記コ
ネクタ１３―２は上記スイツチSW1の他方の固定
端子ｂに、上記コネクタ１３―３は上記電源電池
２６のアース側（小型音響機器１の全体アース回
路）にそれぞれ接続されている。尚、SW2はプレ
イスイツチ、２７はモータ、R1，R2，R3はバイ
アス抵抗である。上記機器本体５は増幅器３１、
ボリウム３２、パワーアンプ３３を備えており、
上記ライン入力端子１４より加えられて増幅器３
１、パワーアンプ３３で増幅された信号はヘツド
ホンジヤツク９のスイツチを通してスピーカ６，
７に取り出されるようになつている。そして、上
記増幅器３１、パワーアンプ３３のそれぞれに電
源３５から動作電圧が与えられるようになつてい
る。上記機器本体５に設けたコネクタのうち、コ
ネクタ１１―１は上記増幅器３１の入力端子に、
上記コネクタ１１―２は抵抗R4を通して上記電
源３５に、上記コネクタ１１―３は上記電源３５
のアース側（機器本体５の全体アース回路）にそ
れぞれ接続されている。 Embodiments of the detachable audio device of the present invention will be described below. Figures 1 and 2 show an embodiment of the present invention. In the figure, 1 is a small audio device mainly equipped with a tape mechanism exclusively for headphone listening, and has a power switch, volume control, etc. on its top surface. Operation button 2, 3 groups of tape mechanism operation buttons,
and a headphone jack 4 are provided.
Reference numeral 5 denotes a main body of the device which mainly includes speakers 6 and 7, and has a power switch operation button 8 on its top surface and a headphone jack 9 on its side surface.
and a line input terminal 14 are provided. The device main body 5 has the small audio device 1 in its center.
A recess 10 is provided for housing the recess 10, and in the recess 10, connectors 11-1, 11-2, and 11-3 for power and signal connections are provided, and an attachment/detachment detection piece 12 is provided. The small audio device 1, which can be freely attached to and detached from the recess of the device body 5, has connectors 13-1, 13-2, which correspond to the connectors 11-1, 11-2, and 11-3, respectively.
13-3 is provided, and the above-mentioned attachment/detachment detection piece 12
A switch SW 1 is provided correspondingly. As shown in FIG. 2, in the small audio equipment 1 described above, a signal detected by a reproduction head 21 is amplified by a preamplifier 22 and applied to a transistor 23, and a signal taken out to the collector side of this transistor 23 is sent to a coupling capacitor C1. The signal is then amplified by a power amplifier 25 via a volumetric volume 24 and output to a headphone jack 4. The operating voltage is supplied by a power supply battery 26 connected to one fixed terminal a of the switch SW1 . Among the connectors provided in the small audio equipment 1, the connector 13-1 is connected to the emitter of the transistor 23 via the coupling capacitor C2, and the connector 13-2 is connected to the other fixed terminal b of the switch SW1 . The connectors 13-3 are each connected to the ground side of the power supply battery 26 (total ground circuit of the small audio device 1). Note that SW 2 is a play switch, 27 is a motor, and R 1 , R 2 , and R 3 are bias resistors. The device main body 5 includes an amplifier 31,
Equipped with 32 volumes and 33 power amplifiers,
Amplifier 3 is added from the line input terminal 14.
1. The signal amplified by the power amplifier 33 is sent to the speaker 6, through the headphone jack 9 switch.
It is set to be taken out on the 7th. An operating voltage is applied to each of the amplifier 31 and power amplifier 33 from a power supply 35. Among the connectors provided on the device main body 5, the connector 11-1 is connected to the input terminal of the amplifier 31,
The connector 11-2 is connected to the power source 35 through resistor R4 , and the connector 11-3 is connected to the power source 35 through the resistor R4.
are respectively connected to the ground side (total ground circuit of the device main body 5).
このような構成の着脱式音響装置において、い
ま第１図に示すように上記機器本体５に対して上
記小型音響機器１を分離した時、上記コネクタ１
１―１〜１１―３と１３―１〜１３―３による結
合が解除され、上記機器本体５に設けた着脱検出
片１２により上記小型音響機器１に設けたスイツ
チSW1を操作できない。そのため、上記スイツチ
SW1は一方の固定端子ａに切換えられており、上
記小型音響機器１は第２図に示すようにそれ自体
に設けた電源電池２６にて動作電圧が与えられて
作動する。そして、上記機器本体５は第２図に示
すようにそれ自体に設けた電源３５にて動作電圧
が与えられて作動する。このように分離時は上記
機器本体５および上記小型音響機器１のそれぞれ
がそれ自体の電源で独自に動作する。一方、上記
機器本体５の凹部１０に上記小型音響機器１を嵌
入して合体したとき、上記コネクタ１１―１〜１
１―３と上記コネクタ１３―１〜１３―３がそれ
ぞれ結合され、上記機器本体５に設けた着脱検出
片１２によつて上記小型音響機器１に設けたスイ
ツチSW1を操作するので、上記スイツチSW1は他
方の固定端子ｂ側に切換えられて電池２６を上記
小型音響機器１から切り離すことになる。そのた
め、上記小型音響機器１は上記コネクタ１３―
２，１１―２および抵抗R4を介して上記機器本
体５の電源３５に接続され、この電源３５によつ
て増幅器２２、トランジスタ２３、パワーアンプ
２５に動作電圧が与えられて作動する。そして、
上記機器本体５はそれ自体に設けた電源３５にて
動作電圧が与えられて動作する。このように合体
時には上記機器本体５および上記小型音響機器１
のそれぞれが上記機器本体５に設けた電源３５を
共用して動作するため、上記小型音響機器１で本
来のヘツドホン受聴が、また上記機器本体５でヘ
ツドホン受聴又はスピーカ受聴が同時期的にでき
る。しかもこれらの受聴音量をそれぞれのボリウ
ム２４，３２にて独立して行なうことができる。 In the detachable audio device having such a configuration, when the small audio device 1 is separated from the device main body 5 as shown in FIG.
The connections between 1-1 to 11-3 and 13-1 to 13-3 are released, and the switch SW 1 provided in the small audio device 1 cannot be operated by the attachment/detachment detection piece 12 provided in the device main body 5. Therefore, the above switch
SW 1 is switched to one fixed terminal a, and the small audio device 1 is operated by being supplied with an operating voltage from a power source battery 26 provided within itself, as shown in FIG. As shown in FIG. 2, the device main body 5 is operated by being supplied with an operating voltage from a power source 35 provided within itself. In this way, when separated, each of the device main body 5 and the small audio device 1 operates independently using its own power source. On the other hand, when the small audio device 1 is fitted into the recess 10 of the device main body 5 and assembled, the connectors 11-1 to 1
1-3 and the connectors 13-1 to 13-3 are connected to each other, and the switch SW 1 provided in the small audio equipment 1 is operated by the attachment/detachment detection piece 12 provided in the equipment main body 5. SW 1 is switched to the other fixed terminal b side to disconnect the battery 26 from the small audio device 1. Therefore, the above-mentioned small audio equipment 1 has the above-mentioned connector 13-
2, 11-2 and a resistor R4 to a power source 35 of the device main body 5, and the power source 35 applies operating voltage to the amplifier 22, transistor 23, and power amplifier 25 to operate them. and,
The device main body 5 operates by being supplied with an operating voltage from a power source 35 provided within itself. When combined in this way, the device main body 5 and the small audio device 1
Since each of them operates by sharing the power supply 35 provided in the device main body 5, the small audio device 1 can perform the original headphone listening, and the device main body 5 can simultaneously perform headphone listening or speaker listening. Moreover, these listening volumes can be adjusted independently using the respective volumes 24 and 32.
尚、上記の実施例ではトランジスタ２３にて小
型音響機器１での再生信号を２分したが、これは
第３図に示すように前置アンプ２２の出力に対し
て並列にトランジスタ回路４１，４２を設け、そ
の一方のトランジスタ回路４１から小型音響機器
１のボリウム２４、パワーアンプ２５に、そし
て、他方のトランジスタ回路４２から機器本体５
にそれぞれ出力するようにしてもよい。 In the above embodiment, the reproduced signal from the small audio equipment 1 is divided into two by the transistor 23, but as shown in FIG. from one transistor circuit 41 to the volume 24 and power amplifier 25 of the small audio equipment 1, and from the other transistor circuit 42 to the equipment main body 5.
It is also possible to output them separately.
以上のように本発明の着脱式音響装置、電気音
響信号をヘツドホン受聴するために増幅する出力
増幅器および出力端子としてのヘツドホンジヤツ
クを有するヘツドホン受聴専用の小型音響機器
と、この小型音響機器が着脱自在であつて上記小
型音響機器からの電気音響信号をスピーカ受聴す
るために増幅する電力増幅器およびスピーカを有
する機器本体と、上記小型音響機器の上記機器本
体への着脱状況を検出する着脱検出機構と、この
着脱検出機構に応動し、上記小型音響機器と上記
機器本体の合体時に上記小型音響機器の電源電池
を切り離して上記小型音響機器に上記機器本体の
電源から動作電圧を供給するように切換えるスイ
ツチ回路と、上記小型音響機器と上記機器本体の
合体時においても上記小型音響機器のヘツドホン
受聴および機器本体のスピーカ受聴のための音量
調整を独立して操作可能とするように上記小型音
響機器および機器本体にそれぞれ設けた音量操作
手段を備えたので、上記小型音響機器と上記機器
本体の合体時においても上記小型音響機器でのヘ
ツドホン受聴と上記機器本体でのヘツドホン受聴
又はスピーカ受聴を適切なものとして同時に行な
うことができる利点を有するものである。 As described above, the detachable audio device of the present invention, a compact audio device exclusively for headphone listening, which has an output amplifier for amplifying electroacoustic signals for listening to headphones, and a headphone jack as an output terminal, and this compact audio device are detachable and detachable. a device body that is flexible and has a power amplifier and a speaker that amplifies an electroacoustic signal from the small audio device for listening to it through a speaker; and an attachment/detachment detection mechanism that detects whether the small audio device is attached to or detached from the device body. , a switch that responds to the attachment/detachment detection mechanism and disconnects the power battery of the small audio device when the small audio device and the device main body are combined to supply operating voltage to the small audio device from the power source of the device main body. The circuit, the small audio device and device are configured such that even when the small audio device and the device main body are combined, the volume adjustment for listening to the headphone of the small audio device and the speaker of the device main body can be independently operated. Since each main body is equipped with a volume control means, even when the small audio device and the device main body are combined, headphone listening on the small audio device and headphone listening or speaker listening on the device main body can be performed appropriately. This has the advantage of being able to be performed simultaneously.
第１図は本発明の着脱式音響装置の一実施例を
示す分離状態での構成斜視図、第２図は同装置の
要部回路結線図、第３図は同装置の要部の他の構
成例を示す回路結線図である。
１……小型音響機器、４，９……ヘツドホンジ
ヤツク、５……機器本体、６，７……スピーカ、
１０……凹部、１１―１，１１―２，１１―３・
１３―１，１３―２，１３―３……コネクタ、１
２……着脱検出片、２２……前置アンプ、２３…
…トランジスタ、２４，３２……ボリウム、２
６，３３……パワーアンプ、SW1……スイツチ、
２６，３５……電源。
Fig. 1 is a perspective view of the structure of an embodiment of the removable audio device of the present invention in a separated state, Fig. 2 is a circuit connection diagram of the main part of the same device, and Fig. 3 is a diagram of other main parts of the device. FIG. 2 is a circuit wiring diagram showing a configuration example. 1...Small audio equipment, 4, 9...Headphone jack, 5...Device body, 6, 7...Speaker,
10... recess, 11-1, 11-2, 11-3.
13-1, 13-2, 13-3...Connector, 1
2... Attachment/detachment detection piece, 22... Preamplifier, 23...
...transistor, 24,32...volume, 2
6,33...Power amplifier, SW 1 ...Switch,
26, 35...Power supply.
Claims (1)
幅する出力増幅器および出力端子としてのヘツド
ホンジヤツクを有するヘツドホン受聴専用の小型
音響機器と、この小型音響機器が着脱自在であつ
て上記小型音響機器からの電気音響信号をスピー
カ受聴するために増幅する電力増幅器およびスピ
ーカを有する機器本体と、上記小型音響機器の上
記機器本体への着脱状況を検出する着脱検出機構
と、この着脱検出機構に応動し上記小型音響機器
と上記機器本体の合体時に上記小型音響機器の電
源電池を切り離して上記小型音響機器に上記機器
本体の電源から動作電圧を供給するように切換え
られるスイツチ回路と、上記小型音響機器と上記
機器本体の合体時においても上記小型音響機器の
ヘツドホン受聴および機器本体のスピーカ受聴の
ための音量調整を独立して操作可能とするように
上記小型音響機器および機器本体にそれぞれ設け
た音量操作手段を備えてなる着脱式音響機器。1. A small audio device exclusively for headphone listening that has an output amplifier that amplifies electroacoustic signals for headphone listening and a headphone jack as an output terminal, and a small audio device that is detachable and that does not generate electricity from the small audio device. a device body having a power amplifier and a speaker for amplifying acoustic signals to be heard through a speaker; an attachment/detachment detection mechanism for detecting attachment/detachment status of the small-sized audio device to/from the device body; a switch circuit configured to disconnect the power battery of the small audio device and supply operating voltage to the small audio device from the power source of the device main body when the device and the device main body are combined; and the small audio device and the device main body. The small audio device and the device main body each include volume control means so that the volume adjustment for headphone listening of the small audio device and speaker listening of the device main body can be independently operated even when combined. Detachable audio equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17609481A JPS5877396A (en) | 1981-11-02 | 1981-11-02 | Attachable and detachable acoustic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17609481A JPS5877396A (en) | 1981-11-02 | 1981-11-02 | Attachable and detachable acoustic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5877396A JPS5877396A (en) | 1983-05-10 |
| JPS6326476B2 true JPS6326476B2 (en) | 1988-05-30 |
Family
ID=16007590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17609481A Granted JPS5877396A (en) | 1981-11-02 | 1981-11-02 | Attachable and detachable acoustic device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5877396A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6394748A (en) * | 1986-10-09 | 1988-04-25 | Aihon Kk | Cordless talking equipment |
| US7095867B2 (en) * | 2004-04-30 | 2006-08-22 | Altec Lansing Technologies, Inc. | Portable audio reproduction system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50149304A (en) * | 1974-05-18 | 1975-11-29 | ||
| JPS5410244A (en) * | 1977-06-27 | 1979-01-25 | Kansai Paint Co Ltd | Metal surface treating solution |
-
1981
- 1981-11-02 JP JP17609481A patent/JPS5877396A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50149304A (en) * | 1974-05-18 | 1975-11-29 | ||
| JPS5410244A (en) * | 1977-06-27 | 1979-01-25 | Kansai Paint Co Ltd | Metal surface treating solution |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5877396A (en) | 1983-05-10 |
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