FI59219C - Elastiskt membranomkopplartangentbord - Google Patents

Elastiskt membranomkopplartangentbord Download PDF

Info

Publication number: FI59219C
Authority: FI; Finland
Prior art keywords: membrane switch; keyboard; actuator plate; flexible; actuator
Prior art date: 1970-06-30

Application number

FI1672/71A

Other languages

English (en)

Finnish (fi)

Other versions

FI59219B (fi

Inventor

Kenneth Alonzo Brooks

Lawrence Lee Johnson

James Alfred Mathewson

Original Assignee

Ibm

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.)

1970-06-30

Filing date

1971-06-15

Publication date

1981-07-10

1971-06-15 Application filed by Ibm filed Critical Ibm

1981-03-31 Application granted granted Critical

1981-03-31 Publication of FI59219B publication Critical patent/FI59219B/fi

1981-07-10 Publication of FI59219C publication Critical patent/FI59219C/fi

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

Landscapes

Push-Button Switches (AREA)
Artificial Filaments (AREA)
Compositions Of Macromolecular Compounds (AREA)
Polymerisation Methods In General (AREA)
Mounting Of Bearings Or Others (AREA)
Rollers For Roller Conveyors For Transfer (AREA)

FI1672/71A 1970-06-30 1971-06-15 Elastiskt membranomkopplartangentbord FI59219C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US5128470A	1970-06-30	1970-06-30
US5128470		1970-06-30

Publications (2)

Publication Number	Publication Date
FI59219B FI59219B (fi)	1981-03-31
FI59219C true FI59219C (fi)	1981-07-10

Family

ID=21970358

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI1672/71A FI59219C (fi)	1970-06-30	1971-06-15	Elastiskt membranomkopplartangentbord

Country Status (15)

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

Families Citing this family (16)

* 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 (de) *	1974-09-09	1979-08-23	Sharp K.K., Osaka (Japan)	Elektronischer Rechner
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
JPS5633937Y2 (fr) *	1978-04-10	1981-08-11
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
WO1994028634A1 (fr) *	1993-05-21	1994-12-08	Arthur D. Little Enterprises, Inc.	Dispositif de commande configurable par l'utilisateur
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 (fr) *	2010-05-06	2011-11-10	Iee International Electronics & Engineering S.A.	Organe d'entrée

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1165129B (fr) *	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

1970
- 1970-06-30 US US51284A patent/US3693775A/en not_active Expired - Lifetime
1971
- 1971-04-05 BR BR2016/71A patent/BR7102016D0/pt unknown
- 1971-04-29 FR FR7116471A patent/FR2095555A6/fr not_active Expired
- 1971-05-03 BE BE766631A patent/BE766631R/fr active
- 1971-05-11 GB GB1418571*[A patent/GB1304312A/en not_active Expired
- 1971-05-21 CA CA113587A patent/CA938969A/en not_active Expired
- 1971-05-21 JP JP46034186A patent/JPS5250633B1/ja active Pending
- 1971-05-25 IT IT24942/71A patent/IT988533B/it active
- 1971-06-09 NL NL7107869.A patent/NL164995C/xx not_active IP Right Cessation
- 1971-06-15 FI FI1672/71A patent/FI59219C/fi active
- 1971-06-18 DE DE2130233A patent/DE2130233C3/de not_active Expired
- 1971-06-28 ES ES392708A patent/ES392708A2/es not_active Expired
- 1971-06-29 DK DK320771AA patent/DK134060B/da unknown
- 1971-06-29 NO NO2467/71A patent/NO133859C/no unknown
- 1971-06-30 SE SE08452/71A patent/SE369449B/xx unknown

Also Published As

Publication number	Publication date
BE766631R (fr)	1971-10-01
DE2130233C3 (de)	1973-11-08
ES392708A2 (es)	1977-12-01
NL7107869A (fr)	1972-01-03
DE2130233B2 (de)	1973-04-12
NL164995B (nl)	1980-09-15
DE2130233A1 (de)	1972-01-05
DK134060C (fr)	1977-02-14
FR2095555A6 (fr)	1972-02-11
NL164995C (nl)	1981-02-16
SE369449B (fr)	1974-08-26
DK134060B (da)	1976-09-06
JPS471203A (fr)	1972-01-21
BR7102016D0 (pt)	1973-04-12
GB1304312A (fr)	1973-01-24
FI59219B (fi)	1981-03-31
NO133859C (fr)	1976-07-07
JPS5250633B1 (fr)	1977-12-26
IT988533B (it)	1975-04-30
NO133859B (fr)	1976-03-29
US3693775A (en)	1972-09-26
CA938969A (en)	1973-12-25

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