EP2043124A1 - Tastatur für eine drahtlose Vorrichtung - Google Patents

Tastatur für eine drahtlose Vorrichtung Download PDF

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Publication number
EP2043124A1
EP2043124A1 EP07117582A EP07117582A EP2043124A1 EP 2043124 A1 EP2043124 A1 EP 2043124A1 EP 07117582 A EP07117582 A EP 07117582A EP 07117582 A EP07117582 A EP 07117582A EP 2043124 A1 EP2043124 A1 EP 2043124A1
Authority
EP
European Patent Office
Prior art keywords
keypad
key stem
web
depression
groove
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
EP07117582A
Other languages
English (en)
French (fr)
Other versions
EP2043124B1 (de
Inventor
Chao Chen
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.)
BlackBerry Ltd
Original Assignee
Research in Motion Ltd
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 Research in Motion Ltd filed Critical Research in Motion Ltd
Priority to AT07117582T priority Critical patent/ATE448560T1/de
Priority to EP07117582A priority patent/EP2043124B1/de
Priority to DE602007003232T priority patent/DE602007003232D1/de
Priority to CA2639333A priority patent/CA2639333C/en
Priority to AU2008216964A priority patent/AU2008216964B2/en
Priority to CN2008101657937A priority patent/CN101399129B/zh
Publication of EP2043124A1 publication Critical patent/EP2043124A1/de
Application granted granted Critical
Publication of EP2043124B1 publication Critical patent/EP2043124B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • H01H13/705—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 characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/002—Actuators integral with membrane
    • H01H2221/006—Adhesive
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/054—Actuators connected by flexible webs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/08—Actuators composed of different parts
    • H01H2221/082—Superimposed actuators

Definitions

  • This application relates generally to the field of wireless devices, and more specifically, to a keypad for a wireless device.
  • Wireless mobile communication devices include microprocessors, memory, soundcards, speakers, headphones, and run one or more software applications in addition to providing for voice communications. Examples of software applications used in these wireless devices include micro-browsers, address books, email clients, instant messaging (“IM”) clients, and wavetable instruments. Additionally, wireless devices have access to a plurality of services via the Internet. A wireless device may, for example, be used to browse web sites on the Internet, to transmit and receive graphics, and to execute streaming audio and/or video applications. Such wireless devices may operate on a cellular network, on a wireless local area network (“WLAN”), or on both of these types of networks.
  • WLAN wireless local area network
  • the keypad of a wireless device typically includes the following components: keycaps, clear (or translucent or white in colour) silicon rubber key stems coupled by a clear (or translucent or white in colour) silicon rubber web, clear plastic light guides, an opaque (e.g., black) polycarbonate (“PC”) film for light shielding (e.g., located on top of the web), and opaque (e.g., black) plastic elements for light shielding (e.g., located to the sides of the light guides).
  • PC polycarbonate
  • These components are typically united or bonded together by an adhesive such as glue.
  • the keycaps are glued to the key stems, the glue being applied between the flat lower surface of each keycap and the flat upper surface of each key stem.
  • excess glue may flow away from the keycap and key stem and contact the PC film. If the glue comes into contact with the PC film, it may cause the PC film to become bonded to the web (that is coupled to the key stems). This may cause the web to stiffen or strengthen. This stiffening of the web is problematic as it can cause stiffening of the keys of the keypad. In fact, it has been estimated that more than 95% of stiff key problems in keypads of wireless devices are caused by excess adhesive flowing from between the keycaps and key stems.
  • a keypad for a wireless device comprising: at least one key stem coupled by a web, the key stem having an upper key stem surface, the web for allowing the key stem to independently travel when pressure is applied to the upper key stem surface thereof; and, for each key stem, a keycap configured to be mounted over the key stem, the keycap having a lower keycap surface configured to be bonded to the upper key stem surface of the key stem with an adhesive; wherein the upper key stem surface has formed therein a depression and a groove along a perimeter of the upper key stem surface and substantially enclosing the depression.
  • the Keypad may comprise any one or more of the features described herein in combination with one or more other features described herein, or separate from some features notwithstanding that they may be described together or separately.
  • a wireless device having a keypad as described herein.
  • FIG. 1 is a front view illustrating an example of a wireless device in accordance with an embodiment of the application
  • FIG. 2 is a block diagram illustrating the wireless device of FIG. 1 ;
  • FIG. 3 is a block diagram illustrating a memory of the wireless device of FIG. 1 ;
  • FIG. 4 is a partial perspective view illustrating a keypad for a wireless device in accordance with an embodiment of the application with the keycaps removed;
  • FIG. 5 is a partial perspective cross section view illustrating the keypad of FIG. 4 in accordance with an embodiment of the application with the keycaps in place.
  • FIG. 1 is a front view illustrating an example of a wireless device 100 in accordance with an embodiment of the application.
  • the wireless device 100 includes a case 150, a liquid crystal display (“LCD”) 122, a graphical user interface ("GUI") 180 displayed on the LCD 122, a lens 105 mounted over the LCD 122 for protection thereof, a speaker 134, a keypad (or keyboard) 132, a thumbwheel (or trackwheel) 110, various select buttons 120, and various inputs/outputs (e.g., power connector jack, data interface ports, headphones jack, etc.) 160.
  • the wireless device 100 typically includes one or more circuit boards (not shown in FIG.
  • a CPU or microprocessor 138 which are operatively coupled to the various inputs/outputs 160, the keypad 132, the display screen 122, the speaker 134, etc., as will be described below.
  • FIG. 2 is a block diagram illustrating the wireless device 100 of FIG. 1 .
  • the wireless device 100 may operate over a wireless network 220.
  • the wireless network 220 may include antenna, base stations, access points, transceivers, supporting radio equipment, etc., as known to those of ordinary skill in the art, for supporting wireless communications between the wireless device 100 and other devices (not shown).
  • the wireless network 220 may be coupled to a wireless network gateway (not shown) and to a local area network (not shown) to which the other devices (e.g., data processing systems, computers, etc.) may be coupled.
  • the wireless device 100 may be a two-way communication device having at least voice and advanced data communication capabilities, including the capability to communicate with other devices. Depending on the functionality provided by the device 100, it may be referred to as a data messaging device, a two-way pager, a cellular telephone with data messaging capabilities, a wireless Internet appliance, a data communication device (with or without telephony capabilities), a Wi-Fi device, a WLAN device, a dual-mode (i.e., Wi-Fi and cellular) device, or a portable audio device.
  • the device 100 may communicate with any one of a plurality of transceiver stations (not shown) within its geographic coverage area.
  • the wireless device 100 has a communication subsystem 111, which includes a RF receiver, a RF transmitter, and associated components, such as one or more antenna elements (e.g., embedded or internal), local oscillators ("LOs"), and a processing module such as a digital signal processor (“DSP”) (all not shown).
  • a communication subsystem 111 which includes a RF receiver, a RF transmitter, and associated components, such as one or more antenna elements (e.g., embedded or internal), local oscillators (“LOs”), and a processing module such as a digital signal processor (“DSP”) (all not shown).
  • LOs local oscillators
  • DSP digital signal processor
  • the device 100 may be capable of cellular network access and hence the device 100 may have a subscriber identity module (or "SIM” card) 162 for inserting into a SIM interface (“IF") 164 in order to operate on the cellular network (e.g., a global system for mobile communication (“GSM”) network).
  • SIM subscriber identity module
  • IF SIM interface
  • GSM global system for mobile communication
  • the device 100 may be a battery-powered device and so it may also include a battery IF 154 for receiving one or more rechargeable batteries 156.
  • the battery (or batteries) 156 provides electrical power to most if not all electrical circuitry in the device 100, and the battery IF 154 provides for a mechanical and electrical connection for it.
  • the battery IF 154 is coupled to a regulator (not shown) which provides regulated power to the circuitry of the device 100.
  • the wireless device 100 includes a microprocessor 138 which controls overall operation of the device 100. Communication functions, including at least data and voice communications, are performed through the communication subsystem 111.
  • the microprocessor 138 also interacts with additional device subsystems such as the display 122, a flash memory 124 or other persistent store, a random access memory (“RAM”) 126, auxiliary input/output (“I/O") subsystems 128, a serial port (e.g., a universal serial bus (“USB”) port) 131, the keypad 132, the clickable thumbwheel 110, the speaker 134, a microphone 136, a short-range communications subsystem 141, and other device subsystems 142.
  • a serial port e.g., a universal serial bus (“USB”) port
  • Operating system software modules i.e., 202 in FIG. 3
  • the microprocessor 138 may be stored in a persistent store such as the flash memory 124, which may alternatively be a read-only memory (“ROM”) or similar storage element (not shown).
  • ROM read-only memory
  • the microprocessor 138 in addition to its operating system functions, preferably enables execution of software applications on the device 100.
  • a preferred application that may be loaded onto the device 100 may be a personal information manager (“PIM”) application having the ability to organize and manage data items relating to the user such as, but not limited to, instant messaging (“IM”), email, calendar events, voice mails, appointments, and task items.
  • PIM personal information manager
  • IM instant messaging
  • SIM 162 one or more memory stores are available on the device 100 and SIM 162 to facilitate storage of PIM data items and other information.
  • the PIM application preferably has the ability to send and receive data items via the wireless network 220.
  • PIM data items are seamlessly integrated, synchronized, and updated via the wireless network 220, with the wireless device user's corresponding data items stored and/or associated with a host computer system (not shown) thereby creating a mirrored host computer on the device 100 with respect to such items. This is especially advantageous where the host computer system is the wireless device user's office or home computer system.
  • Additional applications may also be loaded onto the device 100 through the network 220, the auxiliary I/O subsystem 128, the serial port 131, the short-range communications subsystem 141, or other device subsystems 142, and installed by a user in RAM 126 or non-volatile flash memory 124 for execution by the microprocessor 138.
  • Such flexibility in application installation increases the functionality of the device 100 and may provide enhanced on-device functions, communication-related functions, or both.
  • secure communication applications may enable electronic commerce functions and other such financial transactions to be performed using the wireless device 100.
  • a received signal such as a text message, an email message, or web page download will be processed by the communication subsystem 111 and input to the microprocessor 138.
  • the microprocessor 138 will preferably further process the signal for output to the display 122 and/or to the auxiliary I/O device 128.
  • a user of the wireless device 100 may also compose data items, such as email messages, for example, using the keypad 132 in conjunction with the display 122, and possibly the auxiliary I/O device 128.
  • the keypad 132 may be, but need not be, a complete alphanumeric keyboard and/or a telephone-type keypad. These composed items may be transmitted over a communication network 220 through the communication subsystem 111 or the short range communication subsystem 141.
  • the overall operation of the wireless device 100 is substantially similar, except that the received signals would be output to the speaker 134 and signals for transmission would be generated by the microphone 136.
  • Alternative voice or audio I/O subsystems such as a voice message recording subsystem, may also be implemented on the device 100.
  • voice or audio signal output is preferably accomplished primarily through the speaker 134, the display 122 may also be used to provide, for example, an indication of the identity of a calling party, duration of a voice call, or other voice call related information.
  • the serial port 131 shown in FIG. 2 is normally implemented in a personal digital assistant ("PDA") type communication device for which synchronization with a user's desktop computer is a desirable, albeit optional, component.
  • PDA personal digital assistant
  • the serial port 131 enables a user to set preferences through an external device or software application and extends the capabilities of the device 100 by providing for information or software downloads to the device 100 other than through a wireless communication network 220.
  • the alternate download path may, for example, be used to load an encryption key onto the device 100 through a direct and thus reliable and trusted connection to thereby provide secure device communication.
  • the short-range communications subsystem 141 shown in FIG. 2 is an additional optional component which provides for communication between the device 100 and different systems or devices, which need not necessarily be similar devices.
  • the short-range communications subsystem 141 may include an infrared device and associated circuits and components, or a BluetoothTM communication module, to provide for communication with similarly-enabled systems and devices.
  • BluetoothTM is a registered trademark of Bluetooth SIG, Inc.
  • FIG. 3 is a block diagram illustrating a memory 200 of the wireless device 100 of FIG. 1 .
  • the microprocessor 138 is coupled to the memory 200.
  • the memory 200 has various hardware and software components for storing information (e.g., instructions, data, database tables, test parameters, etc.) for enabling operation of the device 100 and may include flash memory 124, RAM 126, ROM (not shown), disk drives (not shown), etc.
  • the memory 200 may include a variety of storage devices typically arranged in a hierarchy of storage as understood to those skilled in the art.
  • the wireless device 100 may be a multi-tasking wireless communications device configured for sending and receiving data items and for making and receiving voice calls.
  • the microprocessor 138 of the wireless device 100 is typically coupled to one or more devices or subsystems (e.g., 110, 120, 132 ) for receiving user commands or queries and for displaying the results of these commands or queries to the user on the display 122.
  • operating system (“O/S") software modules 202 resident on the device 100 provide a basic set of operations for supporting various applications typically operable through the GUI 180 and supporting GUI software modules 204.
  • the O/S 202 provides basic input/output system features to obtain input from the auxiliary I/O 128, the keypad 132, the clickable thumbwheel 110, and the like, and for facilitating output to the user through the display 122, the speaker 134, etc.
  • one or more applications for managing communications or for providing personal digital assistant like functions may also be included.
  • the wireless device 100 is provided with hardware and/or software modules 206 for facilitating and implementing various additional functions.
  • GUIs are supported by common operating systems and provide a display format which enables a user to choose commands, execute application programs, manage computer files, and perform other functions by selecting pictorial representations known as icons, or items from a menu through use of an input or pointing device such as a thumbwheel 110 and keypad 132.
  • a GUI is used to convey information to and receive commands from users and generally includes a variety of GUI objects or controls, including icons, toolbars, drop-down menus, pop-up menus, text, dialog boxes, buttons, and the like.
  • a user typically interacts with a GUI 180 presented on a display 122 by using an input or pointing device (e.g., a thumbwheel 110, a keypad 132, etc.) to position a pointer or cursor over an object (i.e., "pointing" at the object) and by "clicking" on the object such as by depressing the thumbwheel 110 or by depressing a button on the keypad 132.
  • an input or pointing device e.g., a thumbwheel 110, a keypad 132, etc.
  • the object may be hi-lighted (e.g., shaded) when it is pointed at.
  • stiffening of the keys of the keypad 132 can make the keys difficult for a user to depress to initiate an input or selection, thereby affecting the user's interaction with GUI 180.
  • a GUI based system presents application, system status, and other information to the user in "windows" appearing on the display 122.
  • a window is a more or less rectangular area within the display 122 in which a user may view an application or a document. Such a window may be open, closed, displayed full screen, reduced to an icon, increased or reduced in size, or moved to different areas of the display 122. Multiple windows may be displayed simultaneously, such as: windows included within other windows, windows overlapping other windows, or windows tiled within the display area.
  • FIG. 4 is a partial perspective view illustrating a keypad 132 for a wireless device 100 in accordance with an embodiment of the application. In FIG 4 the keycaps are removed.
  • FIG. 5 is a partial perspective cross section view illustrating the keypad 132 of FIG. 4 including the keycaps in accordance with an embodiment of the application.
  • the keypad 132 of a wireless device 100 typically includes the following components: keycaps 410, clear (or translucent or white in colour) silicon rubber key stems 620 coupled by a clear (or translucent or white in colour) silicon rubber web 430, clear plastic light guides 480, a substantially opaque (e.g., black) polycarbonate (“PC") film 440 for light shielding proximate to the web 430 (e.g., located on top of the web 430 ), and opaque (e.g., black) plastic elements (e.g., frame, shield, etc.) 460 for light shielding (e.g., located to the sides of the light guides 480 ).
  • Some of these components may be united or bonded together by an adhesive.
  • the adhesive may be any form of glue, paste, resin, cement or any other substance that can bind one element to another.
  • Many types of adhesive can exist in a liquid or semi-liquid state and, when in that state, can flow. Some types of adhesive can also assume a substantially solid form in which the adhesive does not substantially flow. Examples of adhesives that may be used in the implementations described below include instant glue and ultraviolet light-cured glue.
  • the keycaps 410 are shaped or otherwise configured to be placed in proximity to and mounted over key stems 620, and to be bonded to key stems 620.
  • Each lower keycap surface 411 may be bonded to a respective upper surface 621 of a key stem 620 with an adhesive such as glue, the glue being applied in a liquid or semi-liquid state between the lower surface 411 of each keycap 410 and the upper surface 621 of each key stem 620.
  • the glue bonds a lower keycap surface 411 to a respective upper surface 621 of a key stem 620. Because the glue is delivered in a state in which it can flow, excess glue may flow away from the keycap 410 and key stem 620 and contact the surrounding PC film 440.
  • the glue comes into contact with the PC film 440, it may cause the PC film 440 to become bonded to the web 430 (that is coupled to the key stems 620 ). This may cause the web 430 to stiffen or strengthen. This stiffening of the web 430 is problematic as it can cause stiffening of the keys of the keypad 132.
  • the present application provides a keypad 132 that includes features that reduce adhesive overflow onto the web 430 and hence reduce the occurrence of stiff keypad keys.
  • an upper surface 621 of key stem 620 is bonded to lower surface 411 of keycap 410.
  • the upper surface 621 of each key stem 620 has features that reduce adhesive overflow.
  • shallow (e.g., approximately 0.05 mm deep) depressions 630 are included in the upper surface 621 of each key stem 620 .
  • the depressions 630 which are depicted in FIG. 5 as square, but which can be any shape, act to slow down the flow of adhesive (i.e., make it more difficult for the adhesive to move). The depressions 630 thereby reduce adhesive overflow, including overflow that may result in the event that excess adhesive is applied.
  • FIG. 5 also depicts two grooves (e.g., approximately 0.15 mm deep) 640, 650 that are included in the upper surface 621 of each key stem 620 along the edges (i.e., the perimeter) of the key stem 620.
  • the grooves 640, 650 guide the flow of any adhesive that is applied to the upper surface 621. In the event that excess adhesive is applied, the excess adhesive flows along the grooves 640, 650 rather than flowing to or over the edge of the upper key stem surface 621 where it may contact the PC film 440 or any other component where adhesive does not belong. Adhesive may also tend to enter the grooves 640, 650 rather than flow to undesirable areas, thereby reducing the chance that adhesive will come into contact with the PC film 440 or any other component where adhesive does not belong.
  • Adhesive may also tend to enter the grooves 640, 650 rather than flow to undesirable areas, thereby reducing the chance that adhesive will come into contact with the PC film 440 or any other component where adhesive does not belong.
  • the grooves 640, 650 are substantially outside the depressions 630.
  • the grooves 640, 650 are disposed between the edge of the upper key stem surface 621 and the depressions 630, and the depressions 630 are generally not disposed between the edge of the upper key stem surface 621 and any of the grooves 640, 650.
  • the grooves 640, 650 completely surround or enclose the depressions 630, although this application includes embodiments in which a groove does not form a closed curve, and thus a depression is substantially enclosed by a groove, although not completely enclosed.
  • the lower surface 622 of each key stem 620 is used to contact a signal generator (not shown) for transmitting a signal to the microprocessor 138 for indicating that the corresponding key has been pressed by a user.
  • the signal generator includes a dome membrane (not shown).
  • the dome membrane may be, for example, a poly dome membrane or a metal dome membrane.
  • the web 430 is flexible allowing for travel of a key stem 620 when the keycap 410 bonded to the key stem 620 is pressed by a user (i.e., when pressure is applied to the upper key stem surface 621 ).
  • the key stems 620 and the web 430 are formed in one piece, and are made from the same materials, such as silicon (or silicone) rubber.
  • the keypad 132 includes a backlight (e.g., a light emitting diode (“LED”)) (not shown) mounted in a pocket 470 formed in a light guide 480 located below the PC film 440 and adjacent to the key stem 620 for emitting light through the upper key stem surface 621 and keycap 410.
  • a backlight e.g., a light emitting diode (“LED")
  • the PC film 440 prevents light from being transmitted through the web 430 and/or other components between key stems 620.
  • the light guides 480 and the opaque shielding elements 460 can be bonded together with adhesive, although this adhesive is not necessarily the same as the adhesive that bonds an upper key stem surface 621 to a keycap 410 .
  • the shielding elements 460 may be formed over the light guides 480 in a double shot injection molding process.
  • a first shot injection molding step may be used to form the clear light guides 480 .
  • This may be followed by a second shot injection molding step which molds the opaque shielding elements 460 over the clear light guides 480.
  • the depressions 630 added to the upper surface 621 of each key stem 620 may be one or more of a number of shapes (e.g., square, rectangular, triangular, round, polygonal, etc.).
  • the depressions 630 need not be uniform in size or in shape, although the depressions 630 may be uniform in size, uniform in shape, or both.
  • FIG. 5 depicts a grid made from a plurality of square depressions 630, according to one embodiment, the depressions 630 may be arranged in one or more of a number of patterns (e.g., in rows, in arcs, in circles, randomly, etc.). Further, FIG.
  • FIG. 5 depicts the grid of square depressions 630 at an angle with respect to the perimeter of the upper key stem surface 621, but the application encompasses embodiments in which a grid of depressions aligns with the perimeter. Moreover, although embodiments have been described having a plurality of depressions 630, the application encompasses embodiments having a single depression as well.
  • the grooves 640, 650 present substantially straight lines that are substantially a uniform distance from the edge along the perimeter of the upper surface 621. Additional embodiments may include more or fewer than two grooves, and the grooves need not include straight lines or be any uniform distance from the edge of the upper surface 621.
  • the grooves 640, 650 may be, but need not be, parallel to one another. One groove may completely or substantially enclose another, as depicted in FIG. 5 , but the application includes embodiments in which the grooves cross one another. Further, an individual groove need not form a closed loop, and grooves along the perimeter of the upper surface 621 may comprise one or more unconnected segments.
  • the application may provide one or more advantages.
  • the depressions 630 added to each upper key stem surface 621 reduce the flow rate of adhesive which reduces overflow of excess adhesive onto the PC film 440, hence reducing the occurrence of stiff keypad keys.
  • the grooves 640, 650 absorb excess adhesive, hence further reducing overflow of excess adhesive onto the PC film 440 and hence further reducing the occurrence of stiff keypad keys.
  • the presence of depressions 630 or grooves 640, 650 does not substantially interfere with bonding an upper surface 621 of the key stem 620 to a lower surface 411 of the keycap 410.

Landscapes

  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
  • Selective Calling Equipment (AREA)
  • Telephone Set Structure (AREA)
EP07117582A 2007-09-28 2007-09-28 Tastatur für eine drahtlose Vorrichtung Active EP2043124B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AT07117582T ATE448560T1 (de) 2007-09-28 2007-09-28 Tastatur für eine drahtlose vorrichtung
EP07117582A EP2043124B1 (de) 2007-09-28 2007-09-28 Tastatur für eine drahtlose Vorrichtung
DE602007003232T DE602007003232D1 (de) 2007-09-28 2007-09-28 Tastatur für eine drahtlose Vorrichtung
CA2639333A CA2639333C (en) 2007-09-28 2008-09-04 Keypad for a wireless device
AU2008216964A AU2008216964B2 (en) 2007-09-28 2008-09-11 Keypad for a wireless device
CN2008101657937A CN101399129B (zh) 2007-09-28 2008-09-23 用于无线设备的小键盘

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07117582A EP2043124B1 (de) 2007-09-28 2007-09-28 Tastatur für eine drahtlose Vorrichtung

Publications (2)

Publication Number Publication Date
EP2043124A1 true EP2043124A1 (de) 2009-04-01
EP2043124B1 EP2043124B1 (de) 2009-11-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07117582A Active EP2043124B1 (de) 2007-09-28 2007-09-28 Tastatur für eine drahtlose Vorrichtung

Country Status (6)

Country Link
EP (1) EP2043124B1 (de)
CN (1) CN101399129B (de)
AT (1) ATE448560T1 (de)
AU (1) AU2008216964B2 (de)
CA (1) CA2639333C (de)
DE (1) DE602007003232D1 (de)

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EP1137028A2 (de) * 2000-03-16 2001-09-26 Alps Electric Co., Ltd. Folie mit Federplatten und diese verwendende Schalteinrichtung
US20020027065A1 (en) 1997-02-18 2002-03-07 Yoshio Kenmochi Illumination key and method of manufacture
JP2003297181A (ja) * 2002-04-03 2003-10-17 Sunarrow Ltd キーユニットの構造
JP2005050709A (ja) * 2003-07-29 2005-02-24 Polymatech Co Ltd 樹脂キートップ付キーシート
US7102093B1 (en) 2005-09-07 2006-09-05 Cheng Uei Precision Industry Co., Ltd. Key with binding structure

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Publication number Priority date Publication date Assignee Title
JP3151553B2 (ja) * 1996-11-29 2001-04-03 帝国通信工業株式会社 キートップ板及びその製造方法
FI116330B (fi) * 1997-02-18 2005-10-31 Sunarrow Ltd Valaiseva näppäin ja menetelmä sen valmistamiseksi
JP2007141662A (ja) * 2005-11-18 2007-06-07 Polymatech Co Ltd キーシート

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020027065A1 (en) 1997-02-18 2002-03-07 Yoshio Kenmochi Illumination key and method of manufacture
EP1137028A2 (de) * 2000-03-16 2001-09-26 Alps Electric Co., Ltd. Folie mit Federplatten und diese verwendende Schalteinrichtung
JP2003297181A (ja) * 2002-04-03 2003-10-17 Sunarrow Ltd キーユニットの構造
JP2005050709A (ja) * 2003-07-29 2005-02-24 Polymatech Co Ltd 樹脂キートップ付キーシート
US7102093B1 (en) 2005-09-07 2006-09-05 Cheng Uei Precision Industry Co., Ltd. Key with binding structure

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CA2639333C (en) 2013-03-26
EP2043124B1 (de) 2009-11-11
CA2639333A1 (en) 2009-03-28
CN101399129A (zh) 2009-04-01
AU2008216964B2 (en) 2010-07-22
AU2008216964A1 (en) 2009-04-23
CN101399129B (zh) 2011-08-31
ATE448560T1 (de) 2009-11-15

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