CA1293065C - Dispositif de saisie a touches - Google Patents

Dispositif de saisie a touches

Info

Publication number: CA1293065C
Authority: CA; Canada
Prior art keywords: microcomputer; sheet; contact; key; keys
Prior art date: 1987-10-19
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 - Lifetime

Application number

CA000549564A

Other languages

English (en)

Inventor

Akinori Ohtsuka

Hitoshi Kurita

Yasutel Fujii

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.)

Panasonic Holdings Corp

Original Assignee

Matsushita Electric Industrial Co Ltd

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.)

1987-10-19

Filing date

1987-10-19

Publication date

1991-12-10

1987-10-19 Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd

1987-10-19 Priority to CA000549564A priority Critical patent/CA1293065C/fr

1991-12-10 Application granted granted Critical

1991-12-10 Publication of CA1293065C publication Critical patent/CA1293065C/fr

2008-12-10 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000006243 chemical reaction Methods 0.000 claims abstract description 30
230000000994 depressogenic effect Effects 0.000 claims abstract description 17
230000006870 function Effects 0.000 claims description 10
125000006850 spacer group Chemical group 0.000 claims description 10
239000011159 matrix material Substances 0.000 description 15
238000010276 construction Methods 0.000 description 14
238000010586 diagram Methods 0.000 description 10
238000010438 heat treatment Methods 0.000 description 9
229910052799 carbon Inorganic materials 0.000 description 6
238000010411 cooking Methods 0.000 description 6
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
239000012528 membrane Substances 0.000 description 5
230000000694 effects Effects 0.000 description 4
238000000034 method Methods 0.000 description 3
230000005012 migration Effects 0.000 description 3
238000013508 migration Methods 0.000 description 3
230000004044 response Effects 0.000 description 3
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
230000008901 benefit Effects 0.000 description 2
230000007423 decrease Effects 0.000 description 2
239000000463 material Substances 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
229910052709 silver Inorganic materials 0.000 description 2
239000004332 silver Substances 0.000 description 2
150000001721 carbon Chemical class 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
230000005611 electricity Effects 0.000 description 1
230000035876 healing Effects 0.000 description 1
238000009413 insulation Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
230000003014 reinforcing effect Effects 0.000 description 1
239000004065 semiconductor Substances 0.000 description 1
230000003068 static effect Effects 0.000 description 1

Landscapes

Push-Button Switches (AREA)

CA000549564A 1987-10-19 1987-10-19 Dispositif de saisie a touches Expired - Lifetime CA1293065C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000549564A CA1293065C (fr)	1987-10-19	1987-10-19	Dispositif de saisie a touches

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000549564A CA1293065C (fr)	1987-10-19	1987-10-19	Dispositif de saisie a touches

Publications (1)

Publication Number	Publication Date
CA1293065C true CA1293065C (fr)	1991-12-10

Family

ID=4136670

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000549564A Expired - Lifetime CA1293065C (fr)	1987-10-19	1987-10-19	Dispositif de saisie a touches

Country Status (1)

Country	Link
CA (1)	CA1293065C (fr)

1987
- 1987-10-19 CA CA000549564A patent/CA1293065C/fr not_active Expired - Lifetime

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Legal Events

Date	Code	Title	Description
2008-12-10	MKEX	Expiry