GB1505034A - Piezoelectric switches - Google Patents
Piezoelectric switchesInfo
- Publication number
- GB1505034A GB1505034A GB1694876A GB1694876A GB1505034A GB 1505034 A GB1505034 A GB 1505034A GB 1694876 A GB1694876 A GB 1694876A 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
Links
- 229920001169 thermoplastic Polymers 0.000 abstract 2
- 239000004416 thermosoftening plastic Substances 0.000 abstract 2
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000001012 protector Effects 0.000 abstract 1
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)
- Switches Operated By Changes In Physical Conditions (AREA)
- Input From Keyboards Or The Like (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
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 |
---|---|---|---|
GB1694876A Expired GB1505034A (en) | 1975-04-28 | 1976-04-27 | Piezoelectric switches |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS51127382A (US06521211-20030218-C00004.png) |
DE (1) | DE2618720C3 (US06521211-20030218-C00004.png) |
FR (1) | FR2310038A1 (US06521211-20030218-C00004.png) |
GB (1) | GB1505034A (US06521211-20030218-C00004.png) |
Families Citing this family (7)
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 |
-
1975
- 1975-04-28 JP JP50050778A patent/JPS51127382A/ja active Granted
-
1976
- 1976-04-27 GB GB1694876A patent/GB1505034A/en not_active Expired
- 1976-04-28 DE DE19762618720 patent/DE2618720C3/de not_active Expired
- 1976-04-28 FR FR7612600A patent/FR2310038A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2310038A1 (fr) | 1976-11-26 |
JPS51127382A (en) | 1976-11-06 |
DE2618720A1 (de) | 1976-11-04 |
FR2310038B1 (US06521211-20030218-C00004.png) | 1981-10-30 |
DE2618720B2 (de) | 1977-08-25 |
DE2618720C3 (de) | 1978-04-27 |
JPS5510090B2 (US06521211-20030218-C00004.png) | 1980-03-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |