EP0233296A4 - Contact rubber. - Google Patents

Contact rubber.

Info

Publication number
EP0233296A4
EP0233296A4 EP19860904938 EP86904938A EP0233296A4 EP 0233296 A4 EP0233296 A4 EP 0233296A4 EP 19860904938 EP19860904938 EP 19860904938 EP 86904938 A EP86904938 A EP 86904938A EP 0233296 A4 EP0233296 A4 EP 0233296A4
Authority
EP
European Patent Office
Prior art keywords
contact rubber
rubber
contact
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.)
Withdrawn
Application number
EP19860904938
Other languages
German (de)
French (fr)
Other versions
EP0233296A1 (en
Inventor
Yasuhisa Osawa
Yasuko Kimura
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.)
Polymatech Co Ltd
Original Assignee
Polymatech 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.)
Filing date
Publication date
Priority to JP1985125217U priority Critical patent/JPH0138822Y2/ja
Priority to JP125217/85 priority
Priority to JP93444/86 priority
Priority to JP9344486A priority patent/JPH046049B2/ja
Application filed by Polymatech Co Ltd filed Critical Polymatech Co Ltd
Publication of EP0233296A1 publication Critical patent/EP0233296A1/en
Publication of EP0233296A4 publication Critical patent/EP0233296A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches 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
    • H01H13/78Switches 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 characterised by the contacts or the contact sites
    • H01H13/785Switches 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 characterised by the contacts or the contact sites characterised by the material of the contacts, e.g. conductive polymers
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches 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
    • H01H13/702Switches 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
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00Contacts
    • H01H2201/022Material
    • H01H2201/032Conductive polymer; Rubber
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2205/00Movable contacts
    • H01H2205/002Movable contacts fixed to operating part
EP19860904938 1985-08-16 1986-08-14 Contact rubber. Withdrawn EP0233296A4 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1985125217U JPH0138822Y2 (en) 1985-08-16 1985-08-16
JP125217/85 1985-08-16
JP93444/86 1986-04-24
JP9344486A JPH046049B2 (en) 1986-04-24 1986-04-24

Publications (2)

Publication Number Publication Date
EP0233296A1 EP0233296A1 (en) 1987-08-26
EP0233296A4 true EP0233296A4 (en) 1989-06-21

Family

ID=26434808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860904938 Withdrawn EP0233296A4 (en) 1985-08-16 1986-08-14 Contact rubber.

Country Status (5)

Country Link
EP (1) EP0233296A4 (en)
KR (1) KR900003800B1 (en)
DK (1) DK192087D0 (en)
ES (1) ES2001524A6 (en)
WO (1) WO1987001235A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7661600B2 (en) 2001-12-24 2010-02-16 L-1 Identify Solutions Laser etched security features for identification documents and methods of making same
US7789311B2 (en) 2003-04-16 2010-09-07 L-1 Secure Credentialing, Inc. Three dimensional data storage
US7815124B2 (en) 2002-04-09 2010-10-19 L-1 Secure Credentialing, Inc. Image processing techniques for printing identification cards and documents
US7824029B2 (en) 2002-05-10 2010-11-02 L-1 Secure Credentialing, Inc. Identification card printer-assembler for over the counter card issuing

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605163A1 (en) * 1986-10-01 1988-04-15 Mcb Keyboard with reading device
EP0322514A3 (en) * 1987-12-30 1990-09-12 Hewlett-Packard Company Keyboard switch system
JPH0477506B2 (en) * 1988-10-25 1992-12-08 Tokyo Shibaura Electric Co
CA2118544A1 (en) * 1993-12-30 1995-07-01 Henry W. Krautter Reliability elastomeric keypads and method for making same
JP4442963B2 (en) * 1999-10-26 2010-03-31 パナソニック株式会社 Button switch
AT552120T (en) 2001-12-24 2012-04-15 L 1 Secure Credentialing Inc Hidden variability information on id documents and method of manufacturing them
AU2003298731A1 (en) 2002-11-26 2004-06-18 Digimarc Id Systems Systems and methods for managing and detecting fraud in image databases used with identification documents

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2472214A (en) * 1947-10-22 1949-06-07 Hurvitz Hyman Pressure responsive electrical resistor
US4528428A (en) * 1983-04-20 1985-07-09 Brother Kogyo Kabushiki Kaisha Key-holding structure of keyboard with curved operating surface of keys

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5485375U (en) * 1977-11-30 1979-06-16
JPS6222020Y2 (en) * 1979-08-08 1987-06-04
JPS5929932B2 (en) * 1980-04-26 1984-07-24 Alps Electric Co Ltd
JPS59196517A (en) * 1983-11-02 1984-11-07 Brother Ind Ltd Keyboard

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2472214A (en) * 1947-10-22 1949-06-07 Hurvitz Hyman Pressure responsive electrical resistor
US4528428A (en) * 1983-04-20 1985-07-09 Brother Kogyo Kabushiki Kaisha Key-holding structure of keyboard with curved operating surface of keys

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ELECTRONIC ENGINEERIRNG September 1984, LONDEN page 189 - 192; "SPECIFYING AND USING RUBBER" *
See also references of WO8701235A1 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7661600B2 (en) 2001-12-24 2010-02-16 L-1 Identify Solutions Laser etched security features for identification documents and methods of making same
US7815124B2 (en) 2002-04-09 2010-10-19 L-1 Secure Credentialing, Inc. Image processing techniques for printing identification cards and documents
US8833663B2 (en) 2002-04-09 2014-09-16 L-1 Secure Credentialing, Inc. Image processing techniques for printing identification cards and documents
US7824029B2 (en) 2002-05-10 2010-11-02 L-1 Secure Credentialing, Inc. Identification card printer-assembler for over the counter card issuing
US7789311B2 (en) 2003-04-16 2010-09-07 L-1 Secure Credentialing, Inc. Three dimensional data storage

Also Published As

Publication number Publication date
KR880700442A (en) 1988-03-15
WO1987001235A1 (en) 1987-02-26
ES2001524A6 (en) 1988-06-01
KR900003800B1 (en) 1990-05-31
DK192087D0 (en) 1987-04-14
DK192087A (en) 1987-04-14
EP0233296A1 (en) 1987-08-26

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Legal Events

Date Code Title Description
17P Request for examination filed

Effective date: 19870619

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE FR GB IT LI NL SE

RIN1 Information on inventor provided before grant (corrected)

Inventor name: OSAWA, YASUHISA

Inventor name: KIMURA, YASUKO

A4 Supplementary search report drawn up and despatched

Effective date: 19890621

17Q First examination report despatched

Effective date: 19901217

18D Application deemed to be withdrawn

Effective date: 19910628

RIN1 Information on inventor provided before grant (corrected)

Inventor name: KIMURA, YASUKO

Inventor name: OSAWA, YASUHISA