NO133859C - - Google Patents

Info

Publication number: NO133859C
Authority: NO; Norway

Application number

NO2467/71A

Other languages

Norwegian (no)

Other versions

NO133859B (en

Inventor

K A Brooks

L L Johnson

J A 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

1971-06-29

Publication date

1976-07-07

1971-06-29 Application filed by Ibm filed Critical Ibm

1976-03-29 Publication of NO133859B publication Critical patent/NO133859B/no

1976-07-07 Publication of NO133859C publication Critical patent/NO133859C/no

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

NO2467/71A 1970-06-30 1971-06-29 NO133859C (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
NO133859B NO133859B (en)	1976-03-29
NO133859C true NO133859C (en)	1976-07-07

Family

ID=21970358

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO2467/71A NO133859C (en)	1970-06-30	1971-06-29

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)

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 (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
JPS5633937Y2 (en) *	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
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

1970
- 1970-06-30 US US51284A patent/US3693775A/en not_active Expired - Lifetime
1971
- 1971-04-05 BR BR2016/71A patent/BR7102016D0/en unknown
- 1971-04-29 FR FR7116471A patent/FR2095555A6/fr not_active Expired
- 1971-05-03 BE BE766631A patent/BE766631R/en 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/en active
- 1971-06-09 NL NL7107869.A patent/NL164995C/en not_active IP Right Cessation
- 1971-06-15 FI FI1672/71A patent/FI59219C/en active
- 1971-06-18 DE DE2130233A patent/DE2130233C3/en not_active Expired
- 1971-06-28 ES ES392708A patent/ES392708A2/en not_active Expired
- 1971-06-29 DK DK320771AA patent/DK134060B/en 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
DE2130233A1 (en)	1972-01-05
DE2130233B2 (en)	1973-04-12
JPS5250633B1 (en)	1977-12-26
CA938969A (en)	1973-12-25
US3693775A (en)	1972-09-26
FI59219B (en)	1981-03-31
FI59219C (en)	1981-07-10
JPS471203A (en)	1972-01-21
BR7102016D0 (en)	1973-04-12
SE369449B (en)	1974-08-26
NL164995C (en)	1981-02-16
NL164995B (en)	1980-09-15
DE2130233C3 (en)	1973-11-08
NO133859B (en)	1976-03-29
IT988533B (en)	1975-04-30
FR2095555A6 (en)	1972-02-11
NL7107869A (en)	1972-01-03
GB1304312A (en)	1973-01-24
BE766631R (en)	1971-10-01
ES392708A2 (en)	1977-12-01
DK134060C (en)	1977-02-14
DK134060B (en)	1976-09-06

Publication	Publication Date	Title
DK134060C (en)	1977-02-14
AU2044470A (en)	1972-03-30
AU1473870A (en)	1971-11-11
AU2130570A (en)	1972-04-27
AU1326870A (en)	1971-10-28
AU1336970A (en)	1971-10-07
AU1517670A (en)	1971-11-18
AU2085370A (en)	1972-04-13
AU2017870A (en)	1972-03-23
AR195465A1 (en)	1973-10-15
AU2131570A (en)	1972-04-27
AU1343870A (en)	1971-10-07
AU1969370A (en)	1972-03-16
AU1328670A (en)	1971-10-07
AU1247570A (en)	1971-09-16
AU1277070A (en)	1971-09-23
AU1974970A (en)	1972-03-16
AU1603270A (en)	1971-12-09
AU1086670A (en)	1971-08-05
AU1581370A (en)	1971-12-09
AU2061170A (en)	1972-04-13
AU2112570A (en)	1972-04-20
AU2119370A (en)	1972-04-20
AU1083170A (en)	1971-08-05
AU2130770A (en)	1972-04-27