EP1425769A1 - Clavier destine a un terminal de communication - Google Patents

Clavier destine a un terminal de communication

Info

Publication number
EP1425769A1
EP1425769A1 EP02774356A EP02774356A EP1425769A1 EP 1425769 A1 EP1425769 A1 EP 1425769A1 EP 02774356 A EP02774356 A EP 02774356A EP 02774356 A EP02774356 A EP 02774356A EP 1425769 A1 EP1425769 A1 EP 1425769A1
Authority
EP
European Patent Office
Prior art keywords
keyboard
keys
elastic film
beads
upper shell
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
EP02774356A
Other languages
German (de)
English (en)
Other versions
EP1425769B1 (fr
Inventor
Daniel Marckardt
Christian Voigt
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.)
Hewlett Packard Development Co LP
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP1425769A1 publication Critical patent/EP1425769A1/fr
Application granted granted Critical
Publication of EP1425769B1 publication Critical patent/EP1425769B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/036—Return force
    • 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
    • H01H2223/034—Bezel
    • H01H2223/0345—Bezel with keys positioned directly next to each other without an intermediate bezel or frame
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/022—Telephone handset
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/03—Key modules mounted on support plate or frame
    • H01H2233/034—Snap coupling
    • H01H2233/036—Snap coupling with limited freedom

Definitions

  • the present invention relates to a keyboard for a communication terminal consisting of a lower and upper shell, openings being provided in the upper shell for the keys of the keyboard and the individual keys having webs on their undersides for actuating corresponding contacts on a printed circuit board.
  • the object of the present invention is to provide a keyboard that is as flat and seamless as possible, in which the gap dimensions between the individual keys are small and even, in order to allow greater design freedom than in the previous keyboards.
  • an elastic film is arranged between the top of the upper shell and the undersides of the keys, which beads have beads which essentially limit the areas corresponding to the individual keys and serve as a reset device.
  • the keyboard according to the invention is distinguished by an extremely flat structure, the individual keys being protected against contamination, e.g. B. are protected by dust. At the same time, the required ESD resistance is guaranteed.
  • FIG. 1 shows a cross-sectional view through a partially sectioned perspective of a first embodiment of the keyboard according to the invention
  • Figure 2 is a plan view of the elastic film of the keyboard shown in Figure 1, and
  • FIG. 3 shows a cross-sectional view through a partially sectioned perspective of a second embodiment of the keyboard according to the invention
  • the illustrated keyboard of the first embodiment essentially consists of the individual keys, e.g. 1, 2, 3, and the elastic film 4.
  • the elastic film can e.g. be a silicone mat.
  • buttons 1, 2, 3 lie flat with their undersides on parts of the top of the silicone mat 4, as can be clearly seen from FIG.
  • the individual areas of the silicone mat 4 corresponding to the buttons are each delimited by beads 11, which are formed in the shape of an rim and are directed downwards. These beads rest on parts of the upper housing shell 5.
  • the parts of the upper housing shell 5 below the keyboard and the silicone mat 4 have openings 12, 13 lying one above the other, through which a vertical web 6, which is firmly connected to the single button protrudes. These webs serve to actuate corresponding contacts arranged on a printed circuit board in the mobile radio device.
  • resilient hooks 8, 9, 10 are fastened, which likewise protrude through openings in the upper housing shell 5 and the silicone mat 4 and come into engagement with the upper housing shell 5 in order to prevent the individual keys from jumping off.
  • FIG. 3 shows a second embodiment of the keyboard according to the invention.
  • FIG. 3 also shows only part of a keyboard for a mobile radio device.
  • the keyboard shown the second embodiment consists essentially of the individual keys, for. B. 21, 22, 23, and the elastic film 24.
  • This elastic film 24 can, for. B. be a silicone mat.
  • buttons e.g. B. 21, 22, 23, lie with their lower edge regions on the bead 31 delimiting their key region.
  • the elastic film 24 serves to seal the interior of the housing against dust and to provide the restoring forces for the individual keys.
  • the parts of the upper housing shell 25 and the silicone mat 24 below the keyboard have openings 32, 33 one above the other, through which a vertical web 26, which is firmly connected to the individual key, projects.
  • resilient hooks 28, 29, 30 are fastened to the respective keys, which likewise protrude through openings in the upper housing shell 25 and the silicone mat 24 and come into engagement with the upper housing shell 25 in order to prevent the individual keys from jumping off.

Landscapes

  • Input From Keyboards Or The Like (AREA)
  • Telephone Set Structure (AREA)
  • Push-Button Switches (AREA)
  • Communication Control (AREA)
EP02774356A 2001-09-14 2002-09-13 Clavier destine a un terminal de communication Expired - Lifetime EP1425769B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10145349 2001-09-14
DE10145349A DE10145349A1 (de) 2001-09-14 2001-09-14 Tastatur für eine Kommunikationsendgerät
PCT/DE2002/003435 WO2003025959A1 (fr) 2001-09-14 2002-09-13 Clavier destine a un terminal de communication

Publications (2)

Publication Number Publication Date
EP1425769A1 true EP1425769A1 (fr) 2004-06-09
EP1425769B1 EP1425769B1 (fr) 2010-07-28

Family

ID=7699040

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02774356A Expired - Lifetime EP1425769B1 (fr) 2001-09-14 2002-09-13 Clavier destine a un terminal de communication

Country Status (6)

Country Link
EP (1) EP1425769B1 (fr)
KR (1) KR20040031787A (fr)
CN (1) CN1555565A (fr)
AT (1) ATE475978T1 (fr)
DE (2) DE10145349A1 (fr)
WO (1) WO2003025959A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2511941B1 (fr) * 1981-09-01 1988-02-05 Telemecanique Electrique Clavier modulaire, etanche, a effet tactile
FR2562286B1 (fr) * 1984-03-28 1986-07-18 Telemecanique Electrique Clavier a touches
DE3533719A1 (de) * 1985-09-21 1987-03-26 Rheinmetall Gmbh Schalteranordnung mit einer mehrzahl von bedienelementen
US5389755A (en) * 1993-10-27 1995-02-14 Chen; Pao-Chin Computer key switch device
GB2346739B (en) * 1999-02-12 2002-12-18 Nokia Mobile Phones Ltd Keypad structure
US6064019A (en) * 1999-04-27 2000-05-16 Buchan; Brian D. Resilient switch cover with integral actuator button
FI108186B (fi) * 1999-09-29 2001-11-30 Nokia Mobile Phones Ltd Näytön kehys, jossa on integroitu ESD-suoja, sekä käyttöliittymärakenne
DE10004093A1 (de) * 2000-01-31 2001-08-02 Basf Ag Tastaturelemente für mobile Kommunikationsgeräte

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03025959A1 *

Also Published As

Publication number Publication date
DE50214554D1 (de) 2010-09-09
ATE475978T1 (de) 2010-08-15
CN1555565A (zh) 2004-12-15
EP1425769B1 (fr) 2010-07-28
DE10145349A1 (de) 2003-04-24
WO2003025959A1 (fr) 2003-03-27
KR20040031787A (ko) 2004-04-13

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