CA1114921A - Touche a effleurement a membrane incurvee utilisant un dispositif anti-court-circuit a piezoresistance - Google Patents

Touche a effleurement a membrane incurvee utilisant un dispositif anti-court-circuit a piezoresistance

Info

Publication number
CA1114921A
CA1114921A CA291,310A CA291310A CA1114921A CA 1114921 A CA1114921 A CA 1114921A CA 291310 A CA291310 A CA 291310A CA 1114921 A CA1114921 A CA 1114921A
Authority
CA
Canada
Prior art keywords
strips
substrate
membrane
contour
spaced apart
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
Application number
CA291,310A
Other languages
English (en)
Inventor
George E. Zenk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Control Data Corp
Original Assignee
Control Data Corp
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
Priority claimed from US05/743,991 external-priority patent/US4066852A/en
Priority claimed from US05/744,080 external-priority patent/US4066853A/en
Application filed by Control Data Corp filed Critical Control Data Corp
Application granted granted Critical
Publication of CA1114921A publication Critical patent/CA1114921A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Push-Button Switches (AREA)
CA291,310A 1976-11-22 1977-11-21 Touche a effleurement a membrane incurvee utilisant un dispositif anti-court-circuit a piezoresistance Expired CA1114921A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US744,080 1976-11-22
US05/743,991 US4066852A (en) 1976-11-22 1976-11-22 Membrane-type touch panel employing a photo-resist insulating grid anti-short means
US05/744,080 US4066853A (en) 1976-11-22 1976-11-22 Membrane type touch panel employing piezoresistant anti-short means
US743,991 1976-11-22

Publications (1)

Publication Number Publication Date
CA1114921A true CA1114921A (fr) 1981-12-22

Family

ID=27114241

Family Applications (1)

Application Number Title Priority Date Filing Date
CA291,310A Expired CA1114921A (fr) 1976-11-22 1977-11-21 Touche a effleurement a membrane incurvee utilisant un dispositif anti-court-circuit a piezoresistance

Country Status (1)

Country Link
CA (1) CA1114921A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry