EP0729164A2 - Clavier avec feuille de protection - Google Patents

Clavier avec feuille de protection Download PDF

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Publication number
EP0729164A2
EP0729164A2 EP95117659A EP95117659A EP0729164A2 EP 0729164 A2 EP0729164 A2 EP 0729164A2 EP 95117659 A EP95117659 A EP 95117659A EP 95117659 A EP95117659 A EP 95117659A EP 0729164 A2 EP0729164 A2 EP 0729164A2
Authority
EP
European Patent Office
Prior art keywords
protective film
keypad
bulges
keypad according
interchangeable
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Withdrawn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
EP95117659A
Other languages
German (de)
English (en)
Other versions
EP0729164A3 (fr
Inventor
Gerhard Hochgesang
Werner Lorz
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.)
Preh GmbH
Original Assignee
Preh 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 Preh GmbH filed Critical Preh GmbH
Publication of EP0729164A2 publication Critical patent/EP0729164A2/fr
Publication of EP0729164A3 publication Critical patent/EP0729164A3/fr
Withdrawn legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • B41J5/10—Arrangements of keyboards, e.g. key button disposition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/006—Snap mounting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/066—Actuators replaceable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/002—Casings sealed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/002—Casings sealed
    • H01H2223/003—Membrane embracing all keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/044—Protecting cover
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/062—Maintenance or repair facilities
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/006—Bank automat; Cash register; Vending machine

Definitions

  • the invention relates to a keypad with a protective film according to the preamble of claim 1.
  • Such keypads with protective film are used in sales and cash registers, e.g. B. in retail, the protective film to protect the keypad from dirt and moisture.
  • DE-U1-93 10 721 discloses such a protective film, which is stretched over the entire keypad. This is only suitable for keypads with a short switching stroke.
  • the object of the invention is to design a foil cover in such a way that an application is also possible for a large switching stroke, easy, safe cleaning can take place and, moreover, the keypad has an attractive appearance.
  • Fig. 1 shows a keypad for use in sales or cash registers, consisting of a housing 1, a contact mat 2, a key guide frame 3, keys 4, which are held captive (clipped) in this key guide frame 3, possibly also by holding bracket 5 for parallel keys 4.
  • the keys 4 are covered by a protective film 6, the protective film 6 being designed as a molded part and being put over the keypad with each key 4 associated with domed bulges 8 starting from a base area 7.
  • Interchangeable caps 9 are placed over the bulges 8 or keys 4, the keys 4, protective film bulges 8 and interchangeable caps 9 having conical sections 10 with adapted dimensions and equal pitches and being connected in a wedge seat.
  • the interchangeable cap 9 is clipped onto the button 4 / protective film 6.
  • the protective film 6 has a surrounding collar 11 which, as shown on the left side of FIG. 1, is clamped between a housing flange 12 and a contact mat 2 during assembly, or, as the right side shows, glued to the housing flange 12 is.
  • a lowermost edge 13 of the interchangeable cap 9 is at a distance 15 from the base surface 7 of the protective film 6 which is greater than the switching stroke of the key 4 and additionally that the base surface 7 on a support surface 14 of the Guide frame 3 rests.
  • the protective film can be made of an elastomer, e.g. B. with the designation Elestollan SP 806-50 from Elastogran Polyurethane GmbH, Lemförde, exist and then advantageously has a thickness between 50-100 microns.
  • Elestollan SP 806-50 from Elastogran Polyurethane GmbH, Lemförde

Landscapes

  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
EP95117659A 1995-02-21 1995-11-09 Clavier avec feuille de protection Withdrawn EP0729164A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19505852 1995-02-21
DE19505852A DE19505852C1 (de) 1995-02-21 1995-02-21 Tastenfeld mit Schutzfolie

Publications (2)

Publication Number Publication Date
EP0729164A2 true EP0729164A2 (fr) 1996-08-28
EP0729164A3 EP0729164A3 (fr) 1998-03-18

Family

ID=7754556

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95117659A Withdrawn EP0729164A3 (fr) 1995-02-21 1995-11-09 Clavier avec feuille de protection

Country Status (5)

Country Link
US (1) US5642950A (fr)
EP (1) EP0729164A3 (fr)
JP (1) JPH08249978A (fr)
DE (1) DE19505852C1 (fr)
RU (1) RU2152661C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007069195A2 (fr) 2005-12-13 2007-06-21 Koninklijke Philips Electronics N.V. Dispositif d'affichage

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19626626C2 (de) * 1996-07-02 2000-08-03 Cherry Mikroschalter Gmbh Spritzwassergeschützte Tastatur
DE19718677A1 (de) * 1997-05-02 1998-11-05 Kontron Elektronik Tastenfeld für wasserdichte und schmutzunempfindliche Computer-Tastaturen
US5997196A (en) * 1998-12-18 1999-12-07 Silitek Corporation Key structure of computer keyboard
JP3758898B2 (ja) * 1999-06-04 2006-03-22 アルプス電気株式会社 キーボード装置
US6443644B1 (en) 2000-03-17 2002-09-03 Minebea Co., Ltd. Spill resistant keyboard
US6495784B2 (en) * 2000-05-16 2002-12-17 Samsung Electronics, Co., Ltd. Step keys, step key assembly, and terminal having the step key assembly
JP4460739B2 (ja) * 2000-08-23 2010-05-12 ポリマテック株式会社 フィルム一体型キートップ
KR100539811B1 (ko) 2001-09-22 2006-01-10 엘지전자 주식회사 노트북 컴퓨터
JP4086564B2 (ja) * 2002-07-04 2008-05-14 キヤノン株式会社 スイッチボタン及び記録装置
US6705783B1 (en) 2002-10-11 2004-03-16 James H. Bowen Ruggedized keyboard with cursor positioning device
DE10260428A1 (de) 2002-12-21 2004-07-08 Braun Gmbh Elektrogerätegehäuse
JP2007053062A (ja) * 2005-08-19 2007-03-01 Calsonic Kansei Corp スイッチ装置
TWI320900B (en) * 2006-01-18 2010-02-21 Darfon Electronics Corp Key operated apparatus having shield and method of making the same
US8624140B2 (en) * 2006-07-10 2014-01-07 Fujitsu Component Limited Key switch and keyboard
US8500348B2 (en) * 2008-11-24 2013-08-06 Logitech Europe S.A. Keyboard with ultra-durable keys
JP2011187298A (ja) * 2009-03-12 2011-09-22 Panasonic Corp 保護シート、およびそれを備えた入力装置
JP5462668B2 (ja) * 2009-03-12 2014-04-02 パナソニック株式会社 入力装置
JP5310325B2 (ja) * 2009-07-07 2013-10-09 沖電気工業株式会社 キーボード構造
DE202011101812U1 (de) 2011-06-11 2011-10-05 GETT Gerätetechnik GmbH Tastatur für ein Dateneingabegerät
CN103106753B (zh) * 2012-12-26 2016-06-08 浪潮软件集团有限公司 一种石化行业联机开票的方法
GB2558415B (en) 2015-05-22 2019-02-06 Dyson Technology Ltd A hand held appliance
US10809809B2 (en) * 2016-06-14 2020-10-20 Hewlett-Packard Development Company, L.P. Recessed keycaps
US10784062B2 (en) 2016-09-08 2020-09-22 Apple Inc. Ingress prevention for keyboards
CN111341584B (zh) * 2018-12-18 2022-02-25 群光电子(苏州)有限公司 键盘装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9310721U1 (de) 1992-04-21 1993-11-04 Bock, Hans A., Dipl.-Ing. (TU), 78532 Tuttlingen Tastenschalter auf flexiblen Leiterplatten zur Bedienung durch die elastische Haut (Kunststoff) von Konsolen, Lenkrädern etc.

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
US3126467A (en) * 1964-03-24 Weatherproofed control station for
US4555600A (en) * 1981-02-23 1985-11-26 Apm Corporation Vandal-resistant shield for telephone keypad
FR2511941B1 (fr) * 1981-09-01 1988-02-05 Telemecanique Electrique Clavier modulaire, etanche, a effet tactile
US4515999A (en) * 1983-01-24 1985-05-07 Rogers Corporation Full travel keyboard
DE3309593A1 (de) * 1983-03-17 1984-09-20 Brown, Boveri & Cie Ag, 6800 Mannheim Elektrischer schalter oder taster mit zwei grossflaechigen betaetigungswippen
EP0123184B1 (fr) * 1983-04-20 1990-03-14 Bebié+Co. Disposition de clavier
DE3325409A1 (de) * 1983-07-14 1985-01-31 Loewe Opta Gmbh, 8640 Kronach Alphanumerische tastatur
DE3329826A1 (de) * 1983-08-18 1985-02-28 Schiederwerk Günter Schmidt KG, 8500 Nürnberg Mehrfachtastenschalter
JPS6180540U (fr) * 1984-11-01 1986-05-29
SU1288770A1 (ru) * 1985-02-13 1987-02-07 Опытное Производство Физико-Механического Института Им.Г.В.Карпенко Коммутационное устройство
WO1987007759A1 (fr) * 1986-06-02 1987-12-17 Bebié + Co. Clavier pour utilisation dans des conditions difficiles
US4755072A (en) * 1986-10-15 1988-07-05 Hoornweg Andries P Removable, transparent, colored key caps for color coding a keyboard
DE3741750A1 (de) * 1987-12-09 1989-06-22 Comtronic Gmbh Folientastatur
EP0565959B1 (fr) * 1992-04-14 1996-08-28 MOTOROLA GmbH Clavier
DE4212562A1 (de) * 1992-04-15 1993-10-21 Buch Elektronik Gmbh Folientastatur
US5183346A (en) * 1992-05-15 1993-02-02 Herbert Tesar Keycap overlay snap-on system
US5300742A (en) * 1992-09-23 1994-04-05 Huang Hai Long Waterproof structure for computer key switch
DE9304642U1 (de) * 1993-03-26 1993-05-19 Silitek Corp., Taipeh/T'ai-Pei Tastatur
US5348405A (en) * 1993-08-12 1994-09-20 Jacqueline M. Lupkas Computer keyboard key depression inhibitor device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9310721U1 (de) 1992-04-21 1993-11-04 Bock, Hans A., Dipl.-Ing. (TU), 78532 Tuttlingen Tastenschalter auf flexiblen Leiterplatten zur Bedienung durch die elastische Haut (Kunststoff) von Konsolen, Lenkrädern etc.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007069195A2 (fr) 2005-12-13 2007-06-21 Koninklijke Philips Electronics N.V. Dispositif d'affichage

Also Published As

Publication number Publication date
RU2152661C1 (ru) 2000-07-10
JPH08249978A (ja) 1996-09-27
DE19505852C1 (de) 1996-05-15
US5642950A (en) 1997-07-01
EP0729164A3 (fr) 1998-03-18

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