JPS51117826A - Non-contact keyboard - Google Patents
Non-contact keyboardInfo
- Publication number
- JPS51117826A JPS51117826A JP50042766A JP4276675A JPS51117826A JP S51117826 A JPS51117826 A JP S51117826A JP 50042766 A JP50042766 A JP 50042766A JP 4276675 A JP4276675 A JP 4276675A JP S51117826 A JPS51117826 A JP S51117826A
- Authority
- JP
- Japan
- Prior art keywords
- contact keyboard
- keyboard
- contact
- electrodes
- highpolymer
- 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: A non-contact keyboard is structured by employing a pair of highpolymer piezoelectric films with each film having on one side electrodes all over and on the other side a plural number of ribbon electrodes.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50042766A JPS51117826A (en) | 1975-04-10 | 1975-04-10 | Non-contact keyboard |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50042766A JPS51117826A (en) | 1975-04-10 | 1975-04-10 | Non-contact keyboard |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51117826A true JPS51117826A (en) | 1976-10-16 |
JPS5747445B2 JPS5747445B2 (en) | 1982-10-09 |
Family
ID=12645091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50042766A Granted JPS51117826A (en) | 1975-04-10 | 1975-04-10 | Non-contact keyboard |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51117826A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5569915A (en) * | 1978-11-20 | 1980-05-27 | Nippon Telegraph & Telephone | Piezooelectric keyboard |
JPS59184930A (en) * | 1983-04-04 | 1984-10-20 | Toshiba Corp | Keyboard device |
JP2012174277A (en) * | 2011-02-23 | 2012-09-10 | Honeywell Internatl Inc | Resistive touch screen displays and systems |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4944625A (en) * | 1972-08-31 | 1974-04-26 | ||
JPS50151423A (en) * | 1974-05-24 | 1975-12-05 |
-
1975
- 1975-04-10 JP JP50042766A patent/JPS51117826A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4944625A (en) * | 1972-08-31 | 1974-04-26 | ||
JPS50151423A (en) * | 1974-05-24 | 1975-12-05 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5569915A (en) * | 1978-11-20 | 1980-05-27 | Nippon Telegraph & Telephone | Piezooelectric keyboard |
JPS59184930A (en) * | 1983-04-04 | 1984-10-20 | Toshiba Corp | Keyboard device |
JPH0477330B2 (en) * | 1983-04-04 | 1992-12-08 | Tokyo Shibaura Electric Co | |
JP2012174277A (en) * | 2011-02-23 | 2012-09-10 | Honeywell Internatl Inc | Resistive touch screen displays and systems |
Also Published As
Publication number | Publication date |
---|---|
JPS5747445B2 (en) | 1982-10-09 |
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