JPS471203A - - Google Patents

Info

Publication number
JPS471203A
JPS471203A JP3418671A JP3418671A JPS471203A JP S471203 A JPS471203 A JP S471203A JP 3418671 A JP3418671 A JP 3418671A JP 3418671 A JP3418671 A JP 3418671A JP S471203 A JPS471203 A JP S471203A
Authority
JP
Japan
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.)
Pending
Application number
JP3418671A
Other languages
Japanese (ja)
Other versions
JPS5250633B1 (en
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 filed Critical
Publication of JPS471203A publication Critical patent/JPS471203A/ja
Publication of JPS5250633B1 publication Critical patent/JPS5250633B1/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/006—Force isolators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/016—Pressure reduction membrane; Spreader layer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/05—Force concentrator; Actuating dimple
JP46034186A 1970-06-30 1971-05-21 Pending JPS5250633B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5128470A 1970-06-30 1970-06-30

Publications (2)

Publication Number Publication Date
JPS471203A true JPS471203A (en) 1972-01-21
JPS5250633B1 JPS5250633B1 (en) 1977-12-26

Family

ID=21970358

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46034186A Pending JPS5250633B1 (en) 1970-06-30 1971-05-21

Country Status (15)

Country Link
US (1) US3693775A (en)
JP (1) JPS5250633B1 (en)
BE (1) BE766631R (en)
BR (1) BR7102016D0 (en)
CA (1) CA938969A (en)
DE (1) DE2130233C3 (en)
DK (1) DK134060B (en)
ES (1) ES392708A2 (en)
FI (1) FI59219C (en)
FR (1) FR2095555A6 (en)
GB (1) GB1304312A (en)
IT (1) IT988533B (en)
NL (1) NL164995C (en)
NO (1) NO133859C (en)
SE (1) SE369449B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53154586U (en) * 1978-04-10 1978-12-05

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908100A (en) * 1974-03-25 1975-09-23 Gen Signal Corp Touch blend smooth surface switch assembly
DE2540011C3 (en) * 1974-09-09 1979-08-23 Sharp K.K., Osaka (Japan) Electronic calculator
US3955498A (en) * 1975-03-27 1976-05-11 Scott Thaddeus Leroy Electromagnetically actuated printer
US4057710A (en) * 1976-03-29 1977-11-08 Willmott Arthur S Keyboard assembly
US4086451A (en) * 1976-12-06 1978-04-25 Texas Instruments Incorporated Keyboard apparatus
US4258096A (en) * 1978-11-09 1981-03-24 Sheldahl, Inc. Composite top membrane for flat panel switch arrays
US4520248A (en) * 1980-08-15 1985-05-28 Rogers Corporation Keyboard assembly
US4671688A (en) * 1985-10-02 1987-06-09 Honeywell Inc. Shielded keyboard
US4972753A (en) * 1987-12-21 1990-11-27 Yamaha Corporation Electronic musical instrument
US5286125A (en) * 1992-11-16 1994-02-15 Digiosia Antonio G Keyboard and key guide frame arrangement
AU6018494A (en) * 1993-05-21 1994-12-20 Arthur D. Little Enterprises, Inc. User-configurable control device
US5684279A (en) * 1995-09-12 1997-11-04 Key Tronic Corporation Computer keyboard with improved membrane keyswitch structure having deflection concentration feature
US6791480B1 (en) 1998-12-04 2004-09-14 Alan K. Uke Method of preventing and/or alleviating repetitive use injury to electronic computer keyboard operator
GB2346739B (en) 1999-02-12 2002-12-18 Nokia Mobile Phones Ltd Keypad structure
WO2011138200A1 (en) * 2010-05-06 2011-11-10 Iee International Electronics & Engineering S.A. Input device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1165129B (en) * 1960-07-01
US3308253A (en) * 1965-03-25 1967-03-07 Ibm Diaphragm switch having a diaphragm supported on an incompressible layer and an elastomer overlaying the diaphragm
US3382338A (en) * 1966-04-26 1968-05-07 Ibm Pushbutton actuator for elastomeric switch
US3551616A (en) * 1969-01-15 1970-12-29 Ibm Multiple switch encoding device
US3560675A (en) * 1969-05-26 1971-02-02 Ibm Depressible diaphragm overlay switch for displays
US3584162A (en) * 1970-02-16 1971-06-08 Ibm Electrical keyboard switch mechanism with improved resilient diaphragm contact actuator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53154586U (en) * 1978-04-10 1978-12-05

Also Published As

Publication number Publication date
ES392708A2 (en) 1977-12-01
DK134060C (en) 1977-02-14
IT988533B (en) 1975-04-30
NL164995C (en) 1981-02-16
DE2130233C3 (en) 1973-11-08
NO133859C (en) 1976-07-07
FR2095555A6 (en) 1972-02-11
DE2130233A1 (en) 1972-01-05
NO133859B (en) 1976-03-29
FI59219C (en) 1981-07-10
FI59219B (en) 1981-03-31
NL7107869A (en) 1972-01-03
DK134060B (en) 1976-09-06
BE766631R (en) 1971-10-01
GB1304312A (en) 1973-01-24
JPS5250633B1 (en) 1977-12-26
CA938969A (en) 1973-12-25
US3693775A (en) 1972-09-26
SE369449B (en) 1974-08-26
NL164995B (en) 1980-09-15
DE2130233B2 (en) 1973-04-12
BR7102016D0 (en) 1973-04-12

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