DE3643124C2 - - Google Patents

Info

Publication number
DE3643124C2
DE3643124C2 DE19863643124 DE3643124A DE3643124C2 DE 3643124 C2 DE3643124 C2 DE 3643124C2 DE 19863643124 DE19863643124 DE 19863643124 DE 3643124 A DE3643124 A DE 3643124A DE 3643124 C2 DE3643124 C2 DE 3643124C2
Authority
DE
Germany
Prior art keywords
network
switching
keyboard according
base plate
electrically conductive
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
DE19863643124
Other languages
German (de)
English (en)
Other versions
DE3643124A1 (de
Inventor
Horst 8019 Glonn De Hoffmann
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.)
WILHELM RUF KG 8000 MUENCHEN DE
Original Assignee
WILHELM RUF KG 8000 MUENCHEN DE
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
Application filed by WILHELM RUF KG 8000 MUENCHEN DE filed Critical WILHELM RUF KG 8000 MUENCHEN DE
Priority to DE19863643124 priority Critical patent/DE3643124A1/de
Publication of DE3643124A1 publication Critical patent/DE3643124A1/de
Application granted granted Critical
Publication of DE3643124C2 publication Critical patent/DE3643124C2/de
Granted legal-status Critical Current

Links

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
    • H01H13/78—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 characterised by the contacts or the contact sites
    • H01H13/785—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 characterised by the contacts or the contact sites characterised by the material of the contacts, e.g. conductive polymers
    • 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
    • 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
    • H01H13/703—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 characterised by spacers between contact carrying layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00—Contacts
    • H01H2201/022—Material
    • H01H2201/032—Conductive polymer; Rubber
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2207/00—Connections
    • H01H2207/04—Details of printed conductors
    • H01H2207/044—Resist layer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/068—Properties of the membrane
    • H01H2209/078—Conductive rubber
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2211/00—Spacers
    • H01H2211/026—Spacers without separate element
    • H01H2211/028—Contacts in depressions of layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2211/00—Spacers
    • H01H2211/026—Spacers without separate element
    • H01H2211/03—Ridges on layers

Landscapes

  • Push-Button Switches (AREA)
DE19863643124 1986-12-17 1986-12-17 Tastatur Granted DE3643124A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19863643124 DE3643124A1 (de) 1986-12-17 1986-12-17 Tastatur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863643124 DE3643124A1 (de) 1986-12-17 1986-12-17 Tastatur

Publications (2)

Publication Number Publication Date
DE3643124A1 DE3643124A1 (de) 1988-07-07
DE3643124C2 true DE3643124C2 (US08017720-20110913-C00001.png) 1989-03-23

Family

ID=6316411

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863643124 Granted DE3643124A1 (de) 1986-12-17 1986-12-17 Tastatur

Country Status (1)

Country Link
DE (1) DE3643124A1 (US08017720-20110913-C00001.png)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU90783B1 (en) * 2001-05-28 2003-05-09 Ie Internat Electronics & Engi Foil-type switching element
GB0403854D0 (en) * 2004-02-20 2004-03-24 Pelikon Ltd Switches
US8494195B2 (en) * 2007-02-07 2013-07-23 Starkey Laboratories, Inc. Electrical contacts using conductive silicone in hearing assistance devices
US8385573B2 (en) 2007-09-19 2013-02-26 Starkey Laboratories, Inc. System for hearing assistance device including receiver in the canal
CA2639555A1 (en) 2008-08-11 2008-12-15 Hyman Ngo High definition litho applique and emblems
US8781141B2 (en) 2008-08-27 2014-07-15 Starkey Laboratories, Inc. Modular connection assembly for a hearing assistance device
US8798299B1 (en) 2008-12-31 2014-08-05 Starkey Laboratories, Inc. Magnetic shielding for communication device applications
EP2278828B1 (en) 2009-07-23 2017-09-06 Starkey Laboratories, Inc. Method and apparatus for an insulated electromagnetic shield for use in hearing assistance devices
US8638965B2 (en) 2010-07-14 2014-01-28 Starkey Laboratories, Inc. Receiver-in-canal hearing device cable connections
US9049526B2 (en) 2011-03-19 2015-06-02 Starkey Laboratories, Inc. Compact programming block connector for hearing assistance devices
US9906879B2 (en) 2013-11-27 2018-02-27 Starkey Laboratories, Inc. Solderless module connector for a hearing assistance device assembly
US9913052B2 (en) 2013-11-27 2018-03-06 Starkey Laboratories, Inc. Solderless hearing assistance device assembly and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647651B2 (US08017720-20110913-C00001.png) * 1974-01-11 1981-11-11
DE3239324C2 (de) * 1982-10-23 1984-10-04 Standard Elektrik Lorenz Ag, 7000 Stuttgart Drucktastenschalter im Gehäuse eines elektrischen Gerätes

Also Published As

Publication number Publication date
DE3643124A1 (de) 1988-07-07

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee