JPS64596A - Keyboard device for keyboard instrument - Google Patents
Keyboard device for keyboard instrumentInfo
- Publication number
- JPS64596A JPS64596A JP63116036A JP11603688A JPS64596A JP S64596 A JPS64596 A JP S64596A JP 63116036 A JP63116036 A JP 63116036A JP 11603688 A JP11603688 A JP 11603688A JP S64596 A JPS64596 A JP S64596A
- Authority
- JP
- Japan
- Prior art keywords
- key
- damper
- air
- rear end
- end part
- 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
Abstract
PURPOSE: To obtain a fine key touch sensitivity and to improve beating efficiency by arranging an air damper on the rear end part of each key, receiving the rear end part of the key rotationally restored after key depressing operation, absorbing the kinetic energy of the key, and discharging the energy to the external to ease falling shock.
CONSTITUTION: The keyboard device is constituted so as to receive the rear end part of a key 4 rotationally restored after depressing operation by an air damper 3 and absorb and ease shock and the key 4 continues restoring operation while receiving braking force from the damper 3 and is locked on an initial position by a locking means. In this case, air in the damper 3 is replenished from the outside by the depressing operation, and when the key 4 is abutted upon the damper 3 by its rotational restoration, air in the damper is compressed and allowed to flow out to the external through a converged passage. The damper 3 transmits force caused by pressure rise to the key 4 as main reaction to brake the key 4. Thereby the kinetic energy of the key 4 is effectively absorbed to the damper 3 and exhausted to the outside together with outflow air and the energy absorbed to the damper 3 is not returned to the key 4.
COPYRIGHT: (C)1989,JPO
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63116036A JPH0748154B2 (en) | 1988-05-13 | 1988-05-13 | Keyboard device for keyboard instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63116036A JPH0748154B2 (en) | 1988-05-13 | 1988-05-13 | Keyboard device for keyboard instrument |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH01596A JPH01596A (en) | 1989-01-05 |
| JPS64596A true JPS64596A (en) | 1989-01-05 |
| JPH0748154B2 JPH0748154B2 (en) | 1995-05-24 |
Family
ID=14677149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63116036A Expired - Lifetime JPH0748154B2 (en) | 1988-05-13 | 1988-05-13 | Keyboard device for keyboard instrument |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0748154B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108227942A (en) * | 2017-12-29 | 2018-06-29 | 重庆欣璇网络科技有限公司 | A kind of keyboard convenient for heat dissipation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5296522A (en) * | 1976-02-10 | 1977-08-13 | Riigan Ransu | Instrument |
-
1988
- 1988-05-13 JP JP63116036A patent/JPH0748154B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5296522A (en) * | 1976-02-10 | 1977-08-13 | Riigan Ransu | Instrument |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108227942A (en) * | 2017-12-29 | 2018-06-29 | 重庆欣璇网络科技有限公司 | A kind of keyboard convenient for heat dissipation |
| CN108227942B (en) * | 2017-12-29 | 2019-11-08 | 重庆欣璇网络科技有限公司 | A kind of keyboard convenient for heat dissipation |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0748154B2 (en) | 1995-05-24 |
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