DE2924993A1 - Tastenfeld - Google Patents

Tastenfeld

Info

Publication number
DE2924993A1
DE2924993A1 DE19792924993 DE2924993A DE2924993A1 DE 2924993 A1 DE2924993 A1 DE 2924993A1 DE 19792924993 DE19792924993 DE 19792924993 DE 2924993 A DE2924993 A DE 2924993A DE 2924993 A1 DE2924993 A1 DE 2924993A1
Authority
DE
Germany
Prior art keywords
intermediate plate
areas
keypad according
contact
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.)
Granted
Application number
DE19792924993
Other languages
German (de)
English (en)
Other versions
DE2924993C2 (US07534539-20090519-C00280.png
Inventor
Heinz Burgeth
Heinz Ritter
Guenter Ing Grad Tessendorf
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.)
Telefunken Electronic GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Priority to DE19792924993 priority Critical patent/DE2924993A1/de
Publication of DE2924993A1 publication Critical patent/DE2924993A1/de
Application granted granted Critical
Publication of DE2924993C2 publication Critical patent/DE2924993C2/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
    • H01H13/702—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
    • H01H2205/00—Movable contacts
    • H01H2205/006—Movable contacts mounted on spacer
    • H01H2205/008—Hollow rivet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/022—Modular assembly

Landscapes

  • Push-Button Switches (AREA)
DE19792924993 1979-06-21 1979-06-21 Tastenfeld Granted DE2924993A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19792924993 DE2924993A1 (de) 1979-06-21 1979-06-21 Tastenfeld

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792924993 DE2924993A1 (de) 1979-06-21 1979-06-21 Tastenfeld

Publications (2)

Publication Number Publication Date
DE2924993A1 true DE2924993A1 (de) 1981-01-22
DE2924993C2 DE2924993C2 (US07534539-20090519-C00280.png) 1988-03-31

Family

ID=6073745

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792924993 Granted DE2924993A1 (de) 1979-06-21 1979-06-21 Tastenfeld

Country Status (1)

Country Link
DE (1) DE2924993A1 (US07534539-20090519-C00280.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3130159A1 (de) * 1981-07-30 1983-02-17 Preh, Elektrofeinmechanische Werke, Jakob Preh, Nachf. Gmbh & Co, 8740 Bad Neustadt "verfahren zur herstellung von leiterplatten"
EP0520159A1 (de) * 1991-06-05 1992-12-30 Hofmann Werkstatt-Technik Gmbh Menütasten mit druckempfindlichen Teilflächen für ein an einer Auswuchtmaschine angeordnetes Bildschirmgerät
WO1998028763A1 (en) * 1996-12-24 1998-07-02 Nokia Mobile Phones Limited Keypad assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860771A (en) * 1973-10-29 1975-01-14 Chomerics Inc Keyboard switch assembly with dome shaped actuator having associated underlying contactor means
DE2338746A1 (de) * 1973-07-31 1975-02-13 Licentia Gmbh Tastschalter
DE2451294B2 (de) * 1973-10-31 1977-06-02 Essex International, Inc., Fort Wayne, Ind. (V.StA.) Schaltplatte sowie verfahren zur herstellung einer schaltplatte
DE2902353A1 (de) * 1979-01-22 1980-07-31 Licentia Gmbh Tastenfeld mit mehreren tastschaltern
DE2902357A1 (de) * 1979-01-22 1980-07-31 Licentia Gmbh Mehrere tastschalter aufweisendes tastenfeld

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2338746A1 (de) * 1973-07-31 1975-02-13 Licentia Gmbh Tastschalter
US3860771A (en) * 1973-10-29 1975-01-14 Chomerics Inc Keyboard switch assembly with dome shaped actuator having associated underlying contactor means
DE2451294B2 (de) * 1973-10-31 1977-06-02 Essex International, Inc., Fort Wayne, Ind. (V.StA.) Schaltplatte sowie verfahren zur herstellung einer schaltplatte
DE2902353A1 (de) * 1979-01-22 1980-07-31 Licentia Gmbh Tastenfeld mit mehreren tastschaltern
DE2902357A1 (de) * 1979-01-22 1980-07-31 Licentia Gmbh Mehrere tastschalter aufweisendes tastenfeld

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3130159A1 (de) * 1981-07-30 1983-02-17 Preh, Elektrofeinmechanische Werke, Jakob Preh, Nachf. Gmbh & Co, 8740 Bad Neustadt "verfahren zur herstellung von leiterplatten"
EP0520159A1 (de) * 1991-06-05 1992-12-30 Hofmann Werkstatt-Technik Gmbh Menütasten mit druckempfindlichen Teilflächen für ein an einer Auswuchtmaschine angeordnetes Bildschirmgerät
WO1998028763A1 (en) * 1996-12-24 1998-07-02 Nokia Mobile Phones Limited Keypad assembly
EP1178508A1 (en) * 1996-12-24 2002-02-06 Nokia Mobile Phones Ltd. Assembly for a keypad

Also Published As

Publication number Publication date
DE2924993C2 (US07534539-20090519-C00280.png) 1988-03-31

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: TELEFUNKEN ELECTRONIC GMBH, 7100 HEILBRONN, DE

8110 Request for examination paragraph 44
8120 Willingness to grant licences paragraph 23
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee