JPS548880A - Piezoelectric keyboard - Google Patents

Piezoelectric keyboard

Info

Publication number
JPS548880A
JPS548880A JP7319577A JP7319577A JPS548880A JP S548880 A JPS548880 A JP S548880A JP 7319577 A JP7319577 A JP 7319577A JP 7319577 A JP7319577 A JP 7319577A JP S548880 A JPS548880 A JP S548880A
Authority
JP
Japan
Prior art keywords
piezoelectric keyboard
piezoelectric
keyboard
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
Application number
JP7319577A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5611969B2 (cs
Inventor
Kouichi Satou
Kiyomitsu Asano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP7319577A priority Critical patent/JPS548880A/ja
Publication of JPS548880A publication Critical patent/JPS548880A/ja
Publication of JPS5611969B2 publication Critical patent/JPS5611969B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Switches Operated By Changes In Physical Conditions (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
JP7319577A 1977-06-22 1977-06-22 Piezoelectric keyboard Granted JPS548880A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7319577A JPS548880A (en) 1977-06-22 1977-06-22 Piezoelectric keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7319577A JPS548880A (en) 1977-06-22 1977-06-22 Piezoelectric keyboard

Publications (2)

Publication Number Publication Date
JPS548880A true JPS548880A (en) 1979-01-23
JPS5611969B2 JPS5611969B2 (cs) 1981-03-18

Family

ID=13511107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7319577A Granted JPS548880A (en) 1977-06-22 1977-06-22 Piezoelectric keyboard

Country Status (1)

Country Link
JP (1) JPS548880A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015130784A (ja) * 2013-12-03 2015-07-16 学校法人東京理科大学 発電装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60118184U (ja) * 1984-01-17 1985-08-09 馬部　公博 名刺
JPS6360366U (cs) * 1986-10-03 1988-04-21
JPH0170573U (cs) * 1987-10-29 1989-05-11
JPH0180384U (cs) * 1987-11-16 1989-05-30

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800104A (en) * 1972-11-13 1974-03-26 Becton Dickinson Co Low profile keyboard switch assembly with snap action cantilever contact
JPS49103529A (cs) * 1973-01-04 1974-10-01

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800104A (en) * 1972-11-13 1974-03-26 Becton Dickinson Co Low profile keyboard switch assembly with snap action cantilever contact
JPS49103529A (cs) * 1973-01-04 1974-10-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015130784A (ja) * 2013-12-03 2015-07-16 学校法人東京理科大学 発電装置

Also Published As

Publication number Publication date
JPS5611969B2 (cs) 1981-03-18

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