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WO1997041677A1 - Clavier numerique tactile pour ecran tactile - Google Patents

Clavier numerique tactile pour ecran tactile Download PDF

Info

Publication number
WO1997041677A1
WO1997041677A1 PCT/US1997/005557 US9705557W WO9741677A1 WO 1997041677 A1 WO1997041677 A1 WO 1997041677A1 US 9705557 W US9705557 W US 9705557W WO 9741677 A1 WO9741677 A1 WO 9741677A1
Authority
WO
WIPO (PCT)
Prior art keywords
touch sensitive
sensitive screen
cover panel
keys
disposed
Prior art date
Application number
PCT/US1997/005557
Other languages
English (en)
Inventor
Seung K. Kim
Original Assignee
Ericsson Inc.
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
Priority to AU24374/97A priority Critical patent/AU2437497A/en
Application filed by Ericsson Inc. filed Critical Ericsson Inc.
Publication of WO1997041677A1 publication Critical patent/WO1997041677A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/22—Details of telephonic subscriber devices including a touch pad, a touch sensor or a touch detector

Definitions

  • This invention relates generally to keypads for telecommunication instruments, and more particularly to a tactile keypad arrangement for use with an instrument having a touch sensitive screen.
  • Touch sensitive keypad panels have been proposed for use in telecommunication instruments such as cellular phones, integrated pager/telephones, and personal radios.
  • Touch sensitive keypad panels heretofore commonly found in personal-digital-assistant (PDA) and pen-input notepads, are generally reconfigurable between signal input and output display modes, using the smooth surface of the panel to provide both the pen-and/or touch-input signals and output display.
  • PDA personal-digital-assistant
  • touch sensitive keypad panels are now being proposed for use in telecommunication instruments.
  • Examples of smooth surface touch sensitive panels include liquid crystal display (LCD) panels, analog resistive touch screens (ARTS) and other electrostatic and electromagnetic screens which support touch and/or pen input.
  • LCD liquid crystal display
  • ARTS analog resistive touch screens
  • One signal input mode of such panels and screens is a keypad display arranged to generate touch input signals .
  • a major disadvantage of such touch sensitive screens is the lack of positive tactile feedback to the operator. For example, it is difficult sense, by touch feedback, whether the screen area was touched with sufficient force to generate a desired signal. Typically, a user of such devices must visually confirm, via a display area, the input data to assure correct operation. Even when provided with audio feedback, many users still find touch sensitive screens to be undesirable. Also, touch sensitive screens are typically very fragile and can be easily scratched or damaged. Furthermore, telecommunication instruments having LCD keypads are often used in cold environments in which the keypad surface temperature may be close or equal to the ambient temperature. Under such conditions, the LCD keypad panel display becomes very dark, making it hard to read, and the display response time becomes very slow. To overcome this problem, the LCD panel is often heated. However, heating the panel dramatically increases the power drain on battery-operated portable instruments, thereby adversely affecting critical battery life.
  • the present invention is directed to overcoming the problems set forth above. It is desirable to have a telecommunication instrument with a touch sensitive screen that provides a visual display panel and the ability to input data by finger, or optionally by stylus, and additionally have a selectively operable tactile feedback keypad. It is also desirable to have such a telecommunication instrument in which the selectively operable tactile feedback keypad is normally disposed in protective covering relationship over the touch sensitive screen, and capable of being moved from the covering relationship when it is desired to directly input data via the screen panel . It is also desirable to have a telecommunication instrument with a touch sensitive screen that can be operated by a tactile feedback keypad in cold environments .
  • a telecommunication instrument has a touch sensitive screen mounted in a body.
  • a cover panel is rotatably mounted on the body and is movable between a closed position at which the cover panel is disposed in a covering position over the touch sensitive screen, and an open position at which the cover panel is spaced from the touch sensitive screen.
  • a plurality of keys are mounted in the cover panel and are arranged so that they are aligned with predesignated areas of the touch sensitive screen when the cover is in the closed position.
  • Each of the keys are movable, when the cover panel is closed, between a first position at which the key is spaced a predetermined position from the touch sensitive screen and a second position at which the key is in touching contact with a respective one of the predesignated areas of the touch sensitive screen.
  • touch sensitive screen being a liquid crystal display panel
  • cover panel comprising a premolded keypad mounted in a substantially rigid frame.
  • Fig. 1 is a plan view of a telecommunication instrument embodying the present invention, with the movable cover panel in a closed position
  • Fig. 2 is a plan view of a telecommunication instrument embodying the present invention, showing the movable cover panel in an open position
  • Fig. 3 is a cross-sectional view of a telecommunication instrument embodying the present invention, taken along the line 3-3 of Fig. 1.
  • telecommunication instrument means electrical instruments of the type used to transmit voice and/or other data signals over relatively long distances. Examples of such instruments include cellular telephones and radios, pagers, personal-digital- assistant (PDA) and pen-input notebooks having signal transmitting and receiving capabilities, and the like.
  • PDA personal-digital- assistant
  • the present invention is directed to such telecommunication instruments that use a smooth touch- sensitive screen to input and display data.
  • Such screens are often selectively reconfigurable to initially provide a reference screen, such as an alphanumeric display corresponding with designated areas on the screen to provide a dialing function, and subsequently to provide selective display of messages or data and input of messages and data by writing or touch.
  • Such screens generally include electrostatic screens, liquid crystal display (LCD) panels, and electromagnetic screens such as the Dynaclear-4TM Analog Resistive Touch Panel (ARTS) produced by Dynapro Thin Film Products, Milwaukee, WI .
  • ARTS Dynaclear-4TM Analog Resistive Touch Panel
  • a cellular telephone 10 has a touch sensitive LCD panel 12 mounted in a body 14.
  • a backlight panel 16 is mounted in the body 14 at a position below the normally transparent LCD panel.
  • the LCD panel 12 is operable in a initial receiving and dialing mode in which a short message or number and a designated key pattern may be displayed on preselected areas of the panel 12 as indicated by dashed lines in Fig. 2, and reconfigurable to a larger message and data display mode encompassing the entire panel subsequent to establishing communication with another instrument.
  • the telecommunication instrument is operable in a initial receiving and dialing mode in which a short message or number and a designated key pattern may be displayed on preselected areas of the panel 12 as indicated by dashed lines in Fig. 2, and reconfigurable to a larger message and data display mode encompassing the entire panel subsequent to establishing communication with another instrument.
  • the telecommunication instrument is operable in a initial receiving and dialing mode in which a short message or number and a designated key pattern may be displayed on preselected areas of
  • the 10 has a movable cover panel 18 that is rotatably mounted on the body 14 by conventional hinges 20.
  • the cover panel 18 is movable between a closed position, as illustrated in Fig. 1, at which the cover panel 18 is disposed in a protective covering relationship over the touch sensitive screen 12 and a open position, as shown in Fig. 2, at which the cover panel 18 is rotated away from the touch sensitive screen 12.
  • the cover panel comprises a relatively rigid frame 22 and a premolded keypad 24 that includes a plurality of individual keys 26 interconnected by relatively thin web sections 28.
  • the keys 26 are arranged in a conventional twelve-key telephone configuration. However, it should be recognized that other key arrangements, including additional function keys or even twenty-six english alphabet keys, may be used as needed for specific applications.
  • the keypad 24 is preferably formed by molding and is constructed of a substantially clear or translucent silicon rubber material.
  • the light-transmitting properties of clear or translucent materials enables light provided by the backlight panel 16 to pass through the keys 26, enabling a user to identify specific keys. Numbers or other character symbols may either be molded in the top surface of each key or provided by a cap having an opening defining the desired character, pressed over the top of each key. If the touch sensitive screen does not have a light source to provide transmitted light illumination of the keys, such as that provided by the backlight panel 16 typically used in LCD applications, the bottom surface of the frame 22 may be used as a mounting surface for light- emitting components such as light-emitting diodes (LED's) .
  • LED's light-emitting diodes
  • the premolded keypad 24 is desirably controllably positioned in a mold cavity , and then the frame 22 formed, by injection molding, around the keypad 24, thereby providing a single integral structure.
  • This arrangement is economical to fabricate and assures positive retention and positioning of the keys 26 with respect to corresponding areas of the touch sensitive screen 12 when the cover panel 18 is in the closed position.
  • the frame 22 is provided with a spacing ridge 30 that extends at least partially around the lower peripheral edge of the frame 22.
  • the spacing ridge 30 has a thickness sufficient to assure a controlled clearance between the bottom of the keys 26 and the touch sensitive surface of the touch screen 12.
  • the frame 22 is desirably constructed of conventional thermoplastic or thermoset plastic materials having a molding temperature less than the melting temperature of the keypad material. Suitable materials for the frame 22 include, but are not limited to, ABS resins, cellulosic plastics, phenolic resins, phenylene oxide resins, polycarbonate, polyester, polystyrene, polyurethane and polyvinyl chloride. W h e n integrally formed with the frame 22, the keypad 24 is desirably formed of an elastomeric material having sufficient deflection characteristics so that when the top of a key 26 is depressed by a finger, the bottom surface of the key will move downwardly into touch contact with the surface of the touch sensitive screen 12.
  • the keypad 24 may comprise a plurality of separately formed keys 26.
  • the keys 26 may be spherically- shaped domes, often called Poplars, which pop under contact pressure and deflect the bottom surface of the key 26 downwardly into touch contact with the touch sensitive screen 12.
  • Other materials and constructions of the keys 26 may be used, including mechanical or spring-biased arrangements, provided that they provide a positive tactile feedback to the operator when depressed by the operator's finger.
  • the cover panel 18 may be conveniently provided with a clear opening, or window, 32 aligned with the message portion so that the return call or dialed number, can be conveniently referenced or confirmed while dialing the number on the tactile feedback keypad 24.
  • a user will typically place an outgoing call by punching a designated number sequence on the keypad 24 with the cover panel 18 in the closed position as illustrated in Fig. 1.
  • the message may be referenced through the opening 32 without opening the cover panel 18.
  • the dialed number may be confirmed without opening the cover panel 18.
  • the cover panel 18 may be opened, as shown in Fig. 2, to provide access to the touch sensitive screen 12.
  • a signal for reconfiguring the touch sensitive screen 12 from a dialing mode to a message and data display or transmitting mode may be conveniently provided by a spring biased push-button switch 34 mounted in the body 14.
  • the switch 34 When the cover panel 18 is in the closed position, the switch 34 will be depressed by a portion of the spacing ridge 30 at the edge of the frame 22, and the controller for the touch sensitive screen 12 will use that condition to configure the dialing mode. When the cover panel 18 is opened, the switch 34 will be released providing a signal to the touch sensitive screen 12 so that the screen 12 can be reconfigured to a desired alternate use.
  • the keypad 24 may have a different key arrangement than that shown
  • the tactile feedback keys 26 may have a different construction and be formed of different materials than that suggested.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

L'invention concerne un appareil de télécommunication qui comporte un écran tactile pourvu d'un panneau de protection fixé rotatif sur le corps de l'appareil et pouvant passer d'une position ouverte à une position fermée ou inversement. En position fermée, un clavier numérique tactile de retour, fixé dans le panneau de protection, crée un contact direct avec les zones correspondantes de la surface de l'écran. Quand le panneau de protection est en position ouverte, l'écran est découvert, ce qui permet d'afficher des messages et de lire des données et, s'il possède l'équipement nécessaire, d'enregistrer des signaux entrés à l'aide d'un doigt ou d'un stylo.
PCT/US1997/005557 1996-04-03 1997-04-04 Clavier numerique tactile pour ecran tactile WO1997041677A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU24374/97A AU2437497A (en) 1996-04-03 1997-04-03 Tactile keypad for touch sensitive screen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62795496A 1996-04-03 1996-04-03
US08/627,954 1996-04-03

Publications (1)

Publication Number Publication Date
WO1997041677A1 true WO1997041677A1 (fr) 1997-11-06

Family

ID=24516809

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/005557 WO1997041677A1 (fr) 1996-04-03 1997-04-04 Clavier numerique tactile pour ecran tactile

Country Status (2)

Country Link
AU (1) AU2437497A (fr)
WO (1) WO1997041677A1 (fr)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0924915A1 (fr) * 1997-11-27 1999-06-23 Nokia Mobile Phones Ltd. Appareil de communication sans fil et méthode de fabrication de celui-ci
EP0969641A1 (fr) * 1998-07-01 2000-01-05 Sagem S.A. Téléphone mobile avec écran tactile et clavier
EP1032180A1 (fr) * 1999-02-26 2000-08-30 Koninklijke Philips Electronics N.V. Appareil électronique combiné à afficheur variable
EP1035710A1 (fr) * 1999-03-10 2000-09-13 Mitsubishi Electric France Téléphone mobile à volet articulé au-dessus du clavier
AU733239B2 (en) * 1999-01-06 2001-05-10 Vtech Communications, Ltd. Touch screen overlay apparatus
WO2001039226A1 (fr) * 1999-11-24 2001-05-31 Nokia Corporation Dispositif electronique et procede dans un dispositif electronique
WO2002037810A1 (fr) * 2000-10-30 2002-05-10 It Innovations Finland Oy Procede de fabrication de la partie de couverture d'un boitier pour telephones portables
GB2369520A (en) * 2000-11-22 2002-05-29 Nec Technologies Portable telephone with function keys on touch screen area
WO2002058262A1 (fr) * 2001-01-22 2002-07-25 Wildseed, Ltd. Telephone mobile sans fil avec systeme de saisie convivial
US6526296B1 (en) * 1998-06-02 2003-02-25 Nokia Mobile Phones Limited Electronic device and a control means
EP1292086A1 (fr) * 2001-09-06 2003-03-12 Telefonaktiebolaget Lm Ericsson Dispositif électronique avec un écran tactile
WO2003021922A1 (fr) * 2001-09-06 2003-03-13 Telefonaktiebolaget Lm Ericsson Dispositif electronique comportant un ecran tactile a fonctionnalite d'entree speciale
WO2003024065A3 (fr) * 2001-09-04 2003-06-12 Siemens Ag Dispositif de saisie d'un appareil electronique
WO2002096073A3 (fr) * 2001-05-23 2003-10-16 Ericsson Telefon Ab L M Procede et appareil destines a une representation de clavier dans un dispositif de communication mobile
US6667738B2 (en) 1998-01-07 2003-12-23 Vtech Communications, Ltd. Touch screen overlay apparatus
US6914968B1 (en) 1999-08-05 2005-07-05 Vtech Communications, Ltd. Method and apparatus for telephone call fraud detection and prevention
EP1231534A4 (fr) * 1999-07-09 2007-05-02 Itx E Globaledge Corp Dispositif d'entree du type clavier et processeur de donnees portable
WO2007107618A1 (fr) * 2006-03-23 2007-09-27 Nokia Corporation écran tactile
US7628701B2 (en) * 2002-06-24 2009-12-08 Igt System for interfacing a user and a casino gaming machine
EP2518595A1 (fr) * 2011-04-26 2012-10-31 Research In Motion Limited Dispositif électronique et procédé pour fournir un retour d'informations tactiles
US9405457B2 (en) 2011-10-01 2016-08-02 Jay J. Huang Apparatus and systems for enhanced touch screen operation
US9436281B2 (en) 2011-04-26 2016-09-06 Blackberry Limited Electronic device and method of providing tactile feedback

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5414444A (en) * 1994-03-30 1995-05-09 At&T Corp. Personal communicator having orientable video imaging element
EP0678987A1 (fr) * 1994-04-18 1995-10-25 Nec Corporation Appareil radio portable avec affichage
GB2291560A (en) * 1994-07-18 1996-01-24 Motorola Inc Combined mobile telephone/electronic personal organizer with writing tablet
GB2297662A (en) * 1995-02-06 1996-08-07 Motorola Inc Radio communication device having a moveable housing and keypad disposed therein

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5414444A (en) * 1994-03-30 1995-05-09 At&T Corp. Personal communicator having orientable video imaging element
EP0678987A1 (fr) * 1994-04-18 1995-10-25 Nec Corporation Appareil radio portable avec affichage
GB2291560A (en) * 1994-07-18 1996-01-24 Motorola Inc Combined mobile telephone/electronic personal organizer with writing tablet
GB2297662A (en) * 1995-02-06 1996-08-07 Motorola Inc Radio communication device having a moveable housing and keypad disposed therein

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0924915A1 (fr) * 1997-11-27 1999-06-23 Nokia Mobile Phones Ltd. Appareil de communication sans fil et méthode de fabrication de celui-ci
US6667738B2 (en) 1998-01-07 2003-12-23 Vtech Communications, Ltd. Touch screen overlay apparatus
US6526296B1 (en) * 1998-06-02 2003-02-25 Nokia Mobile Phones Limited Electronic device and a control means
EP0969641A1 (fr) * 1998-07-01 2000-01-05 Sagem S.A. Téléphone mobile avec écran tactile et clavier
FR2841727A1 (fr) * 1998-07-01 2004-01-02 Sagem Telephone mobile avec ecran tactile et clavier
AU733239B2 (en) * 1999-01-06 2001-05-10 Vtech Communications, Ltd. Touch screen overlay apparatus
EP1032180A1 (fr) * 1999-02-26 2000-08-30 Koninklijke Philips Electronics N.V. Appareil électronique combiné à afficheur variable
EP1035710A1 (fr) * 1999-03-10 2000-09-13 Mitsubishi Electric France Téléphone mobile à volet articulé au-dessus du clavier
EP1231534A4 (fr) * 1999-07-09 2007-05-02 Itx E Globaledge Corp Dispositif d'entree du type clavier et processeur de donnees portable
US6914968B1 (en) 1999-08-05 2005-07-05 Vtech Communications, Ltd. Method and apparatus for telephone call fraud detection and prevention
US7412258B1 (en) * 1999-11-24 2008-08-12 Nokia Corporation Electronic device and a method in an electronic device
WO2001039226A1 (fr) * 1999-11-24 2001-05-31 Nokia Corporation Dispositif electronique et procede dans un dispositif electronique
WO2002037810A1 (fr) * 2000-10-30 2002-05-10 It Innovations Finland Oy Procede de fabrication de la partie de couverture d'un boitier pour telephones portables
GB2369520A (en) * 2000-11-22 2002-05-29 Nec Technologies Portable telephone with function keys on touch screen area
GB2369520B (en) * 2000-11-22 2004-06-23 Nec Technologies Mobile communications device display
US6952597B2 (en) * 2001-01-22 2005-10-04 Wildseed Ltd. Wireless mobile phone with key stroking based input facilities
WO2002058262A1 (fr) * 2001-01-22 2002-07-25 Wildseed, Ltd. Telephone mobile sans fil avec systeme de saisie convivial
WO2002096073A3 (fr) * 2001-05-23 2003-10-16 Ericsson Telefon Ab L M Procede et appareil destines a une representation de clavier dans un dispositif de communication mobile
US7054440B2 (en) 2001-05-23 2006-05-30 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for keypad representation in a mobile communication device
WO2003024065A3 (fr) * 2001-09-04 2003-06-12 Siemens Ag Dispositif de saisie d'un appareil electronique
WO2003021922A1 (fr) * 2001-09-06 2003-03-13 Telefonaktiebolaget Lm Ericsson Dispositif electronique comportant un ecran tactile a fonctionnalite d'entree speciale
EP1292086A1 (fr) * 2001-09-06 2003-03-12 Telefonaktiebolaget Lm Ericsson Dispositif électronique avec un écran tactile
US7628701B2 (en) * 2002-06-24 2009-12-08 Igt System for interfacing a user and a casino gaming machine
WO2007107618A1 (fr) * 2006-03-23 2007-09-27 Nokia Corporation écran tactile
EP2518595A1 (fr) * 2011-04-26 2012-10-31 Research In Motion Limited Dispositif électronique et procédé pour fournir un retour d'informations tactiles
US9436281B2 (en) 2011-04-26 2016-09-06 Blackberry Limited Electronic device and method of providing tactile feedback
US9405457B2 (en) 2011-10-01 2016-08-02 Jay J. Huang Apparatus and systems for enhanced touch screen operation

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Publication number Publication date
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