GB1505034A - Piezoelectric switches - Google Patents

Piezoelectric switches

Info

Publication number
GB1505034A
GB1505034A GB16948/76A GB1694876A GB1505034A GB 1505034 A GB1505034 A GB 1505034A GB 16948/76 A GB16948/76 A GB 16948/76A GB 1694876 A GB1694876 A GB 1694876A GB 1505034 A GB1505034 A GB 1505034A
Authority
GB
United Kingdom
Prior art keywords
film
vibrations
generator
piezo
april
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
Application number
GB16948/76A
Other languages
English (en)
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.)
Kureha Corp
Original Assignee
Kureha 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 Kureha Corp filed Critical Kureha Corp
Publication of GB1505034A publication Critical patent/GB1505034A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/964—Piezoelectric touch switches

Landscapes

  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
GB16948/76A 1975-04-28 1976-04-27 Piezoelectric switches Expired GB1505034A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50050778A JPS51127382A (en) 1975-04-28 1975-04-28 Piezooelectric switch

Publications (1)

Publication Number Publication Date
GB1505034A true GB1505034A (en) 1978-03-22

Family

ID=12868277

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16948/76A Expired GB1505034A (en) 1975-04-28 1976-04-27 Piezoelectric switches

Country Status (4)

Country Link
JP (1) JPS51127382A (enExample)
DE (1) DE2618720C3 (enExample)
FR (1) FR2310038A1 (enExample)
GB (1) GB1505034A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1543089A (en) * 1976-12-02 1979-03-28 Marconi Co Ltd Pressure sensitive generator
JPS5831427Y2 (ja) * 1976-12-28 1983-07-12 呉羽化学工業株式会社 高分子圧電変換装置
JPS58200394A (ja) * 1982-05-14 1983-11-21 日本電信電話株式会社 火災警報器
DE3920957A1 (de) * 1989-06-27 1991-01-10 Bodenseewerk Geraetetech Verwendung einer piezoelektrischen folie
US5770914A (en) * 1995-03-10 1998-06-23 International Game Technology Illuminated piezoelectric switch
US5982612A (en) * 1996-02-15 1999-11-09 Mallinckrodt & Mallinckrodt Apparatus for automatically deploying a computer keyboard into an operative position from a storage position
DE102007017305A1 (de) 2007-04-11 2008-10-16 Genesis Adaptive Systeme Deutschland Gmbh Anordnung und Verfahren für einen stufenlosen Schalttaster für ein Gerät aller Art und Ausführung

Also Published As

Publication number Publication date
JPS5510090B2 (enExample) 1980-03-13
DE2618720C3 (de) 1978-04-27
DE2618720B2 (de) 1977-08-25
JPS51127382A (en) 1976-11-06
DE2618720A1 (de) 1976-11-04
FR2310038B1 (enExample) 1981-10-30
FR2310038A1 (fr) 1976-11-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee