JPS589959B2 - electronic organ - Google Patents
electronic organInfo
- Publication number
- JPS589959B2 JPS589959B2 JP52001214A JP121477A JPS589959B2 JP S589959 B2 JPS589959 B2 JP S589959B2 JP 52001214 A JP52001214 A JP 52001214A JP 121477 A JP121477 A JP 121477A JP S589959 B2 JPS589959 B2 JP S589959B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- light emitting
- musical tone
- light
- electronic organ
- 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
Landscapes
- Electrophonic Musical Instruments (AREA)
- Optical Communication System (AREA)
Description
【発明の詳細な説明】 本発明は電子オルガンに関する。[Detailed description of the invention] The present invention relates to electronic organs.
従来の電子オルガンは、第１図にブロック線図で示すよ
うに、音源信号発生回路ａを、ゲート回路す及びミキシ
ング回路Ｃを介して、スピーカーｄを備えたアンプｅに
接続し、該ゲート回路すを鍵盤回路りにより制御された
エンベロープ信号発生回路ｇの信号で開閉制御する方式
を採るを一般とする。In the conventional electronic organ, as shown in the block diagram in FIG. 1, a sound source signal generating circuit a is connected to an amplifier e equipped with a speaker d via a gate circuit and a mixing circuit C. Generally, a system is adopted in which opening and closing of the envelope signal is controlled by a signal from an envelope signal generating circuit g controlled by a keyboard circuit.
而して、鍵盤回路りはキースイッチの操作によってチャ
タリングが生じ易く、又接点不良が生ずる不都合があっ
た。Therefore, the keyboard circuit is prone to chattering due to the operation of the key switch, and there are also disadvantages in that contact failure occurs.
また、チャタリングは特にエンベロープ信号発生回路ｇ
がデジタル制御回路で構成される場合誤作動の原因とな
る。In addition, chattering is especially caused by the envelope signal generation circuit g.
If it is configured with a digital control circuit, it may cause malfunction.
また、エンベロープ信号発生回路ｇ及びゲート回路すは
デジタルやアナログ回路で構成されるが、回路構成が極
めて複雑で故障も発生し易い等の不都合があった。Further, although the envelope signal generating circuit g and the gate circuit g are constructed of digital or analog circuits, there are disadvantages such as the extremely complicated circuit configuration and the tendency for failures to occur.
本発明は以上のような不都合と回路の繁雑さを解決する
ことを目的としたもので、音源信号発生器から発生する
複数種の楽音信号を夫々の光信号に変換する複数個の発
光素子の各前方に、夫々鍵盤に連動するシャッターを介
して各発光素子に端面を向けたオプティカルファイバー
を夫々設け、これらオプティカルファイバーの複数本を
集束してその集束端口を受光素子に対向させて成る。The present invention is aimed at solving the above-mentioned disadvantages and complexity of the circuit, and it is an object of the present invention to solve the above-mentioned disadvantages and circuit complexity. Optical fibers with their end faces facing each light emitting element are provided in front of each of them through shutters linked to the keyboard, respectively, and a plurality of these optical fibers are converged so that the converging end faces the light receiving element.
本発明の実施例を別紙図面について説明する。Embodiments of the present invention will be described with reference to the attached drawings.
第２図は、本発明の実施例を示すもので、１は音源信号
発振器、２ａ 、 ２ｂ・・・は該音源信号発振器１の
各楽音信号の出力端子に接続した発光素子、１０はオプ
ティカルファイバーで、一端面を各発光素子２ａ 、
２ｂ・・・に対向させて設け、これらオプティカルファ
イバー１０の複数本を他端において集束し、その端面に
共通１個の受光素子１１を対向させ光ミキシングし、そ
の出力を増幅器５に接続し、その出力端子をスピーカ６
に接続した。FIG. 2 shows an embodiment of the present invention, in which 1 is a sound source signal oscillator, 2a, 2b... are light emitting elements connected to the output terminals of each musical tone signal of the sound source signal oscillator 1, and 10 is an optical fiber. Then, one end surface is connected to each light emitting element 2a,
2b..., a plurality of these optical fibers 10 are focused at the other end, a common light receiving element 11 is faced to the end face for light mixing, and the output thereof is connected to the amplifier 5. Connect that output terminal to speaker 6
connected to.
７ａ 、７ｂ・・・は鍵を示し、各錘７ａ 、７ｂ・・
・に、これら鍵７ａ 、 ７ｂ・・・の操作に連動して
各発光素子２ａ 、 ２ｂ・・・とオプティカルファイ
バー１０ととの間に進退されるシャッター８ａ、８ｂ・
・・ヲ各設けた。7a, 7b... indicate keys, and each weight 7a, 7b...
・Shutters 8a, 8b, .
...we have established each.
各シャッター８ａ、８ｂ・・・は例えば、第３図Ａ１
、Ｂ１ 、Ｃ１に示すように各種の透窓９を持った遮光
板からなり、各錘７ａ 、 ７ｂ・・・の操作により、
第３図Ａ２．Ｂ２．Ｃ２に示すような開度が与えられる
。Each shutter 8a, 8b... is, for example, A1 in FIG.
, B1, C1, it consists of a light-shielding plate with various transparent windows 9, and by operating each weight 7a, 7b...
Figure 3 A2. B2. An opening degree as shown in C2 is given.
かくて、各発光素子２ａ 、 ２ｂ・・・は夫々楽音信
号をその波形に従った光信号に変換し、各錘６ａ 、６
ｂ・・・の操作による開度に従ってオプティカルファイ
バー１０を介して共通１個の受光素子１１が光信号を受
光し、再び楽音信号に変換する。In this way, each light emitting element 2a, 2b... converts a musical tone signal into an optical signal according to its waveform, and each weight 6a, 6...
One common light receiving element 11 receives the optical signal via the optical fiber 10 according to the opening degree determined by the operation b..., and converts it into a musical tone signal again.
かくして、各楽音信号は各錘７ａ。７ｂ・・・及び各シ
ャッター８ａ 、 ８ｂ・・・の透窓９の形状に従った
エンベロープが与えられオプティカルフィバ−１０，受
光素子１１．増幅器５を介してスピーカー６から楽音が
得られる。Thus, each musical tone signal corresponds to each weight 7a. 7b... and each shutter 8a, 8b... is provided with an envelope according to the shape of the transparent window 9 of the optical fiber 10, light receiving element 11. A musical tone is obtained from a speaker 6 via an amplifier 5.
尚、シャッター８ａ、ａｂ・・・は、特に透窓９を設け
ることなく透明板を用い、これに濃淡でエンベロープを
描いても良い。Note that the shutters 8a, ab, . . . may use transparent plates without providing the transparent windows 9, and may draw envelopes in shading on the transparent plates.
このように本発明によるときは、音源信号発生器の各楽
音信号を発光素子に於て各別に光信号に変換し、これを
夫々の鍵盤と連動する各別のシャッターを介して対向設
置したオプティカルファイバーと共通１個の受光素子で
再び楽音信号に変換するようにしたので、従来電子オル
ガンの鍵盤回路、エンベロープ信号発生回路及びゲート
回路等を省略出来、回路構成が簡単化され、接点の故障
やチャタリング現象等が排除される等の効果を有し、各
発光素子に一端を対向させてオプティカルファイバーを
各設け、これら複数本のオプティカルファイバーを集束
してその他端を共通１個の受光素子に対向させたので、
受光素子の個数を減少出来ると共にミクシング回路が省
略され更に一層回路構成を簡単化出来る効果がある。In this way, according to the present invention, each musical tone signal of the sound source signal generator is converted into an optical signal separately in the light emitting element, and this is transmitted to the optical Since it is converted back into a musical tone signal using a single light-receiving element common to the fiber, the keyboard circuit, envelope signal generation circuit, gate circuit, etc. of conventional electronic organs can be omitted, simplifying the circuit configuration and preventing contact failure. It has the effect of eliminating chattering phenomena, etc., and each optical fiber is provided with one end facing each light emitting element, and these multiple optical fibers are focused and the other ends are facing a common light receiving element. Because I let you
This has the effect of reducing the number of light receiving elements and omitting the mixing circuit, further simplifying the circuit configuration.
第１図は従来の電子オルガンのブロック図、第２図は本
発明の実施例の回路図、第３図ＡＩ、Ｂｌ。
Ｃ１は夫々シャッターの正面図、第３図Ａ２ 、 Ｂ２
。
Ｃ２は夫々シャッターの作動により得られる光量変化を
示す線図である。
１・・・・・・音源信号発振器、２ａ、２ｂ・・・・・
・発光素子、７ａ、７ｂ・・・・・・鍵、８ａ、８ｂ・
・・・・・シャッター、１０・・・・・・オプティカル
ファイバー、１１・・・・・・受光素子。FIG. 1 is a block diagram of a conventional electronic organ, FIG. 2 is a circuit diagram of an embodiment of the present invention, and FIG. 3 is AI and BL. C1 is the front view of the shutter, Fig. 3 A2 and B2 respectively.
. C2 is a diagram showing changes in the amount of light obtained by operating the respective shutters. 1... Sound source signal oscillator, 2a, 2b...
・Light emitting element, 7a, 7b...Key, 8a, 8b・
... Shutter, 10 ... Optical fiber, 11 ... Light receiving element.
Claims (1)
々の光信号に変換する複数個の発光素子の各前方に、夫
々鍵に連動するシャッターを介して各発光素子に端面を
向けたオプティカルファイバーを夫々設け、これらオプ
ティカルファイバーの複数本を集束してその集束端口を
受光素子に対向させて成る電子オルガン。1. In front of each of the plurality of light emitting elements that convert multiple types of musical tone signals generated from a sound source signal generator into respective optical signals, an optical fiber is installed with its end face facing each light emitting element via a shutter that is linked to a key. An electronic organ is constructed by converging a plurality of these optical fibers and arranging the converging end to face a light-receiving element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52001214A JPS589959B2 (en) | 1977-01-11 | 1977-01-11 | electronic organ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52001214A JPS589959B2 (en) | 1977-01-11 | 1977-01-11 | electronic organ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5387213A JPS5387213A (en) | 1978-08-01 |
| JPS589959B2 true JPS589959B2 (en) | 1983-02-23 |
Family
ID=11495209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52001214A Expired JPS589959B2 (en) | 1977-01-11 | 1977-01-11 | electronic organ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS589959B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63182268U (en) * | 1987-05-18 | 1988-11-24 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4282605B1 (en) * | 1979-10-05 | 1996-01-23 | Bose Corp | Sound reproducing with remote amplifying transducer |
-
1977
- 1977-01-11 JP JP52001214A patent/JPS589959B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63182268U (en) * | 1987-05-18 | 1988-11-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5387213A (en) | 1978-08-01 |
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