JPS58172996U - Expression device for electronic musical instruments - Google Patents
Expression device for electronic musical instrumentsInfo
- Publication number
- JPS58172996U JPS58172996U JP6877482U JP6877482U JPS58172996U JP S58172996 U JPS58172996 U JP S58172996U JP 6877482 U JP6877482 U JP 6877482U JP 6877482 U JP6877482 U JP 6877482U JP S58172996 U JPS58172996 U JP S58172996U
- Authority
- JP
- Japan
- Prior art keywords
- expression device
- electronic musical
- musical instruments
- footboard
- reflective
- 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.)
- Pending
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のエクスプレッション装置の一例の斜視図
、第２図は本考案の一実施例の側面図、第３図はその構
成の説朋図、第４−は本考案のエクスプレッション装置
を用いた電子楽器のブロック図を示す。
１・・・踏み板、３・・・反射板、４・・・反射型フォ
トカプラ、５・・・スリット、９・・・明部、１０・・
・暗部、１１・・・帯状パターン。。Fig. 1 is a perspective view of an example of a conventional expression device, Fig. 2 is a side view of an embodiment of the present invention, Fig. 3 is an explanatory diagram of its configuration, and Fig. 4- is a perspective view of an example of the expression device of the present invention. This figure shows a block diagram of an electronic musical instrument. DESCRIPTION OF SYMBOLS 1...Treadboard, 3...Reflector, 4...Reflective photocoupler, 5...Slit, 9...Bright part, 10...
- Dark part, 11...band pattern. .
Claims (1)
号により音量を制御するエクスプレッション装置におい
て、前記踏み板に連動し、その踏み込みに応じて段階的
に変化する明部及び暗部からなる帯状パターンの複数本
を並設した反射板と、該複数本の帯状パターンに各対向
する複数個の反射型フォトカプラとを具備することを特
徴とする電子楽器のエクスプレッション装置。In an expression device that controls the volume by an electric signal corresponding to the amount of depression of a footboard that is pivoted to a mounting base, the expression device has a band-like pattern consisting of bright and dark areas that is linked to the footboard and changes in stages according to the footfall. An expression device for an electronic musical instrument, comprising: a plurality of reflective plates arranged in parallel; and a plurality of reflective photocouplers facing each of the plurality of strip patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6877482U JPS58172996U (en) | 1982-05-13 | 1982-05-13 | Expression device for electronic musical instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6877482U JPS58172996U (en) | 1982-05-13 | 1982-05-13 | Expression device for electronic musical instruments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58172996U true JPS58172996U (en) | 1983-11-18 |
Family
ID=30078526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6877482U Pending JPS58172996U (en) | 1982-05-13 | 1982-05-13 | Expression device for electronic musical instruments |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58172996U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60262194A (en) * | 1984-06-08 | 1985-12-25 | ヤマハ株式会社 | Expression unit for electronic musical instrument |
| JPH07168572A (en) * | 1994-12-01 | 1995-07-04 | Kawai Musical Instr Mfg Co Ltd | Keyboard device for electronic musical instrument |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4984221A (en) * | 1972-12-15 | 1974-08-13 |
-
1982
- 1982-05-13 JP JP6877482U patent/JPS58172996U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4984221A (en) * | 1972-12-15 | 1974-08-13 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60262194A (en) * | 1984-06-08 | 1985-12-25 | ヤマハ株式会社 | Expression unit for electronic musical instrument |
| JPH07168572A (en) * | 1994-12-01 | 1995-07-04 | Kawai Musical Instr Mfg Co Ltd | Keyboard device for electronic musical instrument |
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