ES361214A1 - Aparato que utiliza elementos piezoelectricos para comple- tar circuitos. - Google Patents
Aparato que utiliza elementos piezoelectricos para comple- tar circuitos.Info
- Publication number
- ES361214A1 ES361214A1 ES361214A ES361214A ES361214A1 ES 361214 A1 ES361214 A1 ES 361214A1 ES 361214 A ES361214 A ES 361214A ES 361214 A ES361214 A ES 361214A ES 361214 A1 ES361214 A1 ES 361214A1
- Authority
- ES
- Spain
- Prior art keywords
- piezo
- push
- elements
- loaded
- buttons
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5574267A GB1198308A (en) | 1967-12-07 | 1967-12-07 | Push Button Signalling |
Publications (1)
Publication Number | Publication Date |
---|---|
ES361214A1 true ES361214A1 (es) | 1970-11-01 |
Family
ID=10474763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES361214A Expired ES361214A1 (es) | 1967-12-07 | 1968-12-07 | Aparato que utiliza elementos piezoelectricos para comple- tar circuitos. |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE725116A (es) |
CH (1) | CH492350A (es) |
DE (1) | DE1812021A1 (es) |
ES (1) | ES361214A1 (es) |
FR (1) | FR1599158A (es) |
GB (1) | GB1198308A (es) |
IE (1) | IE32241B1 (es) |
NL (1) | NL6817585A (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1363215A (en) * | 1973-01-04 | 1974-08-14 | Mullard Ltd | Mechanical-electrical transducer |
JPS5410214B2 (es) * | 1973-10-15 | 1979-05-02 | ||
GB9000932D0 (en) * | 1990-01-16 | 1990-03-14 | Maygay Machines | Machine controls |
DE4231734A1 (de) * | 1991-09-26 | 1993-04-01 | Fuji Electric Co Ltd | Piezoelektrische einrichtung |
BE1014200A7 (fr) * | 2001-05-29 | 2003-06-03 | Joye Jean | Telephone pour handicapes concu pour permettre la manipulation, sans usage de la vue et/ou par des personnes a dexterite manuelle reduite. |
KR20050027654A (ko) * | 2003-09-16 | 2005-03-21 | 에스케이텔레텍주식회사 | 슬라이드형 이동통신단말기 |
-
1967
- 1967-12-07 GB GB5574267A patent/GB1198308A/en not_active Expired
-
1968
- 1968-08-06 IE IE95468A patent/IE32241B1/xx unknown
- 1968-11-30 DE DE19681812021 patent/DE1812021A1/de active Pending
- 1968-12-04 CH CH1808968A patent/CH492350A/de not_active IP Right Cessation
- 1968-12-05 FR FR1599158D patent/FR1599158A/fr not_active Expired
- 1968-12-06 NL NL6817585A patent/NL6817585A/xx unknown
- 1968-12-07 ES ES361214A patent/ES361214A1/es not_active Expired
- 1968-12-09 BE BE725116D patent/BE725116A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE725116A (es) | 1969-06-09 |
CH492350A (de) | 1970-06-15 |
DE1812021A1 (de) | 1969-08-14 |
FR1599158A (es) | 1970-07-15 |
IE32241L (en) | 1969-06-07 |
IE32241B1 (en) | 1973-05-30 |
GB1198308A (en) | 1970-07-08 |
NL6817585A (es) | 1969-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES398485A1 (es) | Un dispositivo de accionamiento destinado, mas en particu- lar, a conmutadores o interruptores electricos. | |
CA998413A (en) | Push button switch with an elastic conductive sheet | |
ATE7434T1 (de) | Tastatur. | |
ES387211A1 (es) | Perfeccionamientos introducidos en mecanismos de manipula- cion con un teclado para accionar unos interruptores de dia-fragma. | |
ES432571A1 (es) | Perfeccionamientos introducidos en un sistema de teclado del tipo que tiene una pluralidad de interruptores electri- cos dispuestos en un diseno predeterminado. | |
FR1434726A (fr) | Interrupteur à bouton-poussoir actionné à la main, notamment pour des claviers, dont les contacts ne rebondissent pas | |
ES361214A1 (es) | Aparato que utiliza elementos piezoelectricos para comple- tar circuitos. | |
US4211991A (en) | Magnet-controlled switch | |
SE8005395L (sv) | Tryckknappsstromstellare eller tangentbord med nedtryckbara tangenter | |
GB1550957A (en) | Key switch with hysteresis | |
GB1479026A (en) | Push button switch | |
ES467076A1 (es) | Un conmutador electrico accionado por boton. | |
GB1062228A (en) | Pushbutton devices with interlocks | |
GB2038068A (en) | Multiplication study device | |
IT8046803A0 (it) | Comprendenti detta tastiera tastiera di comando a pulsanti ed interruttori meccanici e macchine | |
FR2389238A1 (fr) | Commutateur piezo-electrique de faible epaisseur | |
GB1230215A (es) | ||
GB1089949A (en) | Electrical switch | |
GB1149612A (en) | Improvements relating to electrical microswitches | |
JPS5260005A (en) | Piezoelectric type switch matrix | |
JPS5939390Y2 (ja) | 薄形キ−ボ−ドスイツチ | |
SU417851A1 (es) | ||
USD169045S (en) | Combined control knob and escutcheon plate | |
IT7822132A0 (it) | Meccanismo di scatto. interruttore a pulsante con | |
SU448502A1 (ru) | Многоконтактное коммутационное устройство |