EP0398186A3 - Keyboard unit - Google Patents

Keyboard unit Download PDF

Info

Publication number
EP0398186A3
EP0398186A3 EP19900108929 EP90108929A EP0398186A3 EP 0398186 A3 EP0398186 A3 EP 0398186A3 EP 19900108929 EP19900108929 EP 19900108929 EP 90108929 A EP90108929 A EP 90108929A EP 0398186 A3 EP0398186 A3 EP 0398186A3
Authority
EP
European Patent Office
Prior art keywords
base plate
contacts
keyboard unit
rubber seat
soft rubber
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Withdrawn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
EP19900108929
Other languages
German (de)
French (fr)
Other versions
EP0398186A2 (en
Inventor
Koichi C/O Omron Corporation Hyakutake
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.)
Omron Corp
Original Assignee
Omron 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
Application filed by Omron Corp filed Critical Omron Corp
Publication of EP0398186A2 publication Critical patent/EP0398186A2/en
Publication of EP0398186A3 publication Critical patent/EP0398186A3/en
Withdrawn legal-status Critical Current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
    • H01H2207/00—Connections
    • H01H2207/022—Plug
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H01H2215/008—Part of substrate or membrane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/002—Actuators integral with membrane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/024—Packing between substrate and membrane
    • H01H2229/032—Screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/044—Injection moulding

Landscapes

  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

A keyboard unit according to this invention is comprised of a base plate with contacts, a soft rubber seat covering almost all of the base plate and having a raised portion forming a space between the base plate contacts and corresponding rubber seat contacts, and a hard rubber key provided on the raised portion of the soft rubber seat and projecting upwardly, wherein the soft rubber seat and hard rubber key are integrally formed.
EP19900108929 1989-05-16 1990-05-11 Keyboard unit Withdrawn EP0398186A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56842/89U 1989-05-16
JP5684289U JPH02146725U (en) 1989-05-16 1989-05-16

Publications (2)

Publication Number Publication Date
EP0398186A2 EP0398186A2 (en) 1990-11-22
EP0398186A3 true EP0398186A3 (en) 1991-08-28

Family

ID=13038660

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900108929 Withdrawn EP0398186A3 (en) 1989-05-16 1990-05-11 Keyboard unit

Country Status (2)

Country Link
EP (1) EP0398186A3 (en)
JP (1) JPH02146725U (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9303837U1 (en) * 1993-03-16 1993-07-01 Preh-Werke Gmbh & Co Kg, 8740 Bad Neustadt, De
JP2781799B2 (en) * 1993-04-20 1998-07-30 信越ポリマー株式会社 Cover member for hard key top push button switch

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3108183A1 (en) * 1980-03-11 1982-02-04 Matsushita Electric Ind Co Ltd METHOD FOR PRODUCING KEY SWITCHES
EP0086253A1 (en) * 1982-02-15 1983-08-24 Fuji Rubber Co. Ltd. Method of manufacturing contact rubber structure
FR2602909A1 (en) * 1986-08-14 1988-02-19 Schoeller & Co Elektrotech METHOD FOR MANUFACTURING TOUCH CONTACTING ARRANGEMENT AND PROVISIONING TOUCH CONTACTORS

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3108183A1 (en) * 1980-03-11 1982-02-04 Matsushita Electric Ind Co Ltd METHOD FOR PRODUCING KEY SWITCHES
EP0086253A1 (en) * 1982-02-15 1983-08-24 Fuji Rubber Co. Ltd. Method of manufacturing contact rubber structure
FR2602909A1 (en) * 1986-08-14 1988-02-19 Schoeller & Co Elektrotech METHOD FOR MANUFACTURING TOUCH CONTACTING ARRANGEMENT AND PROVISIONING TOUCH CONTACTORS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN. vol. 28, no. 7, December 1985, NEW YORK US pages 2948 - 2949; "LOW COST VERSATILE CONTROL PANEL" *

Also Published As

Publication number Publication date
EP0398186A2 (en) 1990-11-22
JPH02146725U (en) 1990-12-13

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Legal Events

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Effective date: 19940601