EP2485233B1 - Electronic mobile device seamless key/display structure - Google Patents
Electronic mobile device seamless key/display structure Download PDFInfo
- Publication number
- EP2485233B1 EP2485233B1 EP11153449.1A EP11153449A EP2485233B1 EP 2485233 B1 EP2485233 B1 EP 2485233B1 EP 11153449 A EP11153449 A EP 11153449A EP 2485233 B1 EP2485233 B1 EP 2485233B1
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- EP
- European Patent Office
- Prior art keywords
- contact region
- switch
- key
- display
- lens
- 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.)
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- 230000002401 inhibitory effect Effects 0.000 description 1
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
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Images
Classifications
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- 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
- H01H13/84—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 characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/012—Two keys simultaneous considerations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/066—Lens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/09—Flexible integral part of housing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2225/00—Switch site location
- H01H2225/01—Different switch sites under one actuator in same plane
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/03—Avoiding erroneous switching
Definitions
- the present disclosure generally relates to electronic mobile devices, and more particularly to key and display structures of electronic mobile.
- An example of device having key/display assembly is disclosed in WO-A-2008/014110 .
- One manner for making such improvements involves designing smaller and/or thinner devices by using smaller and/or thinner components.
- Another manner for making aesthetic improvements includes using visually and/or tactilely pleasing individual components.
- One set of visually pleasing components includes an external lens that overlies a display module and defines, in part, one or more adjacent menu keys. This structure provides a smooth appearance with few, if any, breaks or discontinuities on the lens between the display module and the keys and between the keys themselves. As such, the keys appear to be part of a bezel structure that surrounds the display.
- each key includes a mechanical switch (i.e., a dome switch) beneath the lens, the keys can be prone to "falsing". That is, keys may be inadvertently deflected and actuated when pressing a neighboring key due to the continuous structure of the lens. Slits or breaks can be provided between adjacent keys to prevent adjacent lens portions from unintentionally deflecting, although such a solution reduces the aesthetic appeal of the device.
- a mechanical switch i.e., a dome switch
- a touch-sensitive input device instead of mechanical switches.
- a touch-sensitive input can readily distinguish key presses between adjacent keys that are defined, in part, by a common lens structure.
- touch-sensitive inputs typically do not provide tactile feedback to indicate to a user that a key has been successfully pressed.
- a key/display assembly includes a first switch and a second switch, and a display module is disposed aside the first switch and the second switch.
- a lens is disposed adjacent the display module and has an inner surface facing the display module.
- the lens includes a first contact region adjacent the first switch and a second contact region adjacent the second switch.
- the inner surface supports a first foot disposed between the first contact region and the second contact region.
- a first key is defined by the first switch and the first contact region such that the first key is actuated by deflecting the first contact region to actuate the first switch.
- a second key is defined by the second switch and the second contact region such that the second key is actuated by deflecting the second contact region to actuate the second switch.
- the first foot When the first contact region deflects to actuate the first switch, the first foot inhibits the second contact region from actuating the second switch. When the second contact region deflects to actuate the second switch, the first foot inhibits the first contact region from actuating the first switch.
- the teachings of the present disclosure relate generally to portable electronic devices, e.g., mobile communication devices such as pagers, cellular phones, global positioning system (GPS) navigation devices and other satellite navigation devices, smart phones, wireless organizers, wireless personal digital assistants (PDA), and tablet computers.
- the portable electronic devices could be devices without wireless communication capabilities such as PDAs, electronic gaming devices, digital photograph albums or picture frames, digital cameras, or digital video recorders. These examples are intended to be non-limiting. It is also possible that the teachings of the present disclosure could be applied to electronic devices other than handheld electronic devices, e.g., notebook computers.
- an electronic mobile device 100 generally includes a base 102 that houses various electronic components that control operation of the device, such as a microprocessor (not shown).
- the base 102 also supports a keypad or keyboard 104 on a front surface thereof.
- the keypad 104 includes keys that are actuatable by a user to provide inputs to the device 100 (e.g., to enter alphanumeric characters and the like).
- Sides of the base 102 may also support volume control or shortcut keys 106.
- the front surface of the base 102 supports a menu key/display assembly 108.
- the key/display assembly 108 is actuatable to perform various tasks (e.g., place and end voice calls, enter and exit device applications, and the like) and displays information to the user.
- an optional input control e.g., an optical trackpad 110 or the like
- the key/display assembly has a generally continuous and aesthetically pleasing external appearance. The following paragraphs describe more specifically the structure of the key/display assembly 108 that provides this pleasing appearance in addition to improved key manipulability.
- the key/display assembly 108 includes a display module 212 ( Fig. 2 ) supported by the base 102 and in communication with the microprocessor.
- the display module 212 displays information to the device user and, in some embodiments, is a liquid crystal display (LCD) module.
- the display module 212 may be another type of display device, such as an organic light emitting diode (OLED) module, a plasma display panel (PDP) module, or the like.
- OLED organic light emitting diode
- PDP plasma display panel
- An open-rectangular gasket 214 surrounds the display module 212 on a side adjacent to the front surface of the base 102.
- the gasket 214 comprises a semi-elastic polymer, such as silicone, although other similar materials may alternatively be used. Regardless of the specific material, the gasket 214 provides impact resistance for the display module 212. In addition, the gasket 214 also permits another component of the key/display assembly 108 to deflect as described in further detail below.
- the key/display assembly 108 further includes a first switch 216A, a second switch 216B, a third switch 216C, and a fourth switch 216D ( Fig. 2 ) supported by or adjacent to light guides 218A, 218B of the base 102.
- the switches 216A-D are disposed to the side of the display module 212 proximate the keypad 104, and the first and second switches 216A, 216B are disposed on the opposite side of the trackpad 110 than the third and fourth switches 216C, 216D.
- the switches 216A-D are mechanical dome switches that "snap" when actuated by the user.
- the switches 216A-D may be any other type that provides tactile feedback to the user when actuated.
- the device 100 is not limited to the four switches disclosed herein, and that fewer or more switches may be utilized to suit the application.
- Each switch 216A-D defines, in part, a menu key of the key/display assembly 108 that is actuatable to perform one or more tasks.
- the first switch 216A defines, in part, a first key 120A ( Fig. 1 ) that is actuatable, e.g., to place a voice call or display "recent calls" information.
- the second switch 216B defines, in part, a second key 120B that is actuatable, e.g ., to display an application menu.
- the third switch 216C defines, in part, a third key 120C that serves as, e.g., a "back" or "escape” key.
- the fourth switch 216D defines, in part, a fourth key 120D that is actuatable, e.g., to end a voice call or serve as an on/off button for the electronic mobile device 100.
- the keys 120A-D are not limited to performing the above-identified functions.
- the key/display assembly 108 further includes a lens 122 that overlies the display module 212, the compressible gasket 214, and the switches 216A-D.
- the lens 122 protects the components disposed therebelow and inhibits debris and other contaminants from entering the electronic mobile device 100.
- the lens 122 may comprise molded materials such as polycarbonates, acrylics, thermoplastic elastomers (TPEs), and the like.
- the lens 122 includes a first deflectable portion 224A and a second deflectable portion 224B that are cantilevered past the edge of the display module 212 and further define the menu keys 120A-D.
- the first deflectable portion 224A includes a first contact region 226A that further defines the first menu key 120A and a second contact region 226B that further defines the second menu key 120B.
- the second deflectable portion 224B includes a third contact region 226C that further defines the third menu key 120C and a fourth contact region 226D that further defines the fourth menu key 120D.
- Pressing and deflecting the second contact region 226B thereby actuates the second switch 216B to indicate that the second key 120B has been pressed.
- Pressing and deflecting the third contact region 226C thereby actuates the third switch 216C to indicate that the third key 120C has been pressed.
- pressing and deflecting the fourth contact region 226D thereby actuates the fourth switch 216D to indicate that the fourth key 120D has been pressed.
- the lens 122 is also generally continuous (i.e ., lacking breaks and changes in thickness except for a passageway 228 through which the trackpad 110 extends) to provide an aesthetically pleasing appearance.
- the lens 122 is continuous between the first and second contact regions 226A and 226B and between the third and fourth contact regions 226C and 226D.
- the lens 122 is also continuous between a display region 230 that overlies the display module 212 and the contact regions 226A-D.
- deflecting one of the contact regions causes deflection of the adjacent contact region due to the continuous lens structure.
- deflecting the first contact region 226A causes the second contact region 226B to deflect towards the second switch 216B.
- an inner surface 332 ( Fig. 3 ) of the lens 122 integrally supports a first foot 234A and a second foot 234B that inhibit the contact regions 226A-D from unintentionally actuating the switches 216A-D.
- the first and second feet 234A, 234B each have a shape that is generally elongated in a direction extending between the keypad 104 and the display module 212.
- the first and second feet 234A, 234B each also have a six-sided polygonal cross-sectional shape that is thicker near the inner surface 332 of the lens 122. Feet having other constructions may alternatively be used.
- the first foot 234A is disposed between the first contact region 226A and the second contact region 226B.
- the first foot 234A contacts the first light guide 218A to inhibit the second contact region 226B from actuating the second switch 216B.
- the first foot 234A contacts the first light guide 218A to inhibit the first contact region 226A from actuating the first switch 216A.
- the first foot 234A is normally spaced apart from the first light guide 218A by a small distance (e.g., approximately 0.2mm). As such, the first and second contact regions 226A, 226B are deflectable over a first distance before the first foot 234A contacts the light guide 218A. After the first foot 234A contacts the first light guide 218A, the pressed contact region 226A or 226B may be further pressed and deflected over a second distance ( e.g., approximately 0.2mm) to actuate the associated switch 216A or 216B.
- a small distance e.g., approximately 0.2mm
- the unpressed contact region 226A or 226B moves slightly away from the other switch 216A or 216B due to the "see-saw" structure of the first deflectable portion 224A and the first foot 234A.
- the second contact region 226B moves away from the second switch 216B when the first contact region 226A deflects to actuate the first switch 216A.
- the first contact region 226A moves away from the first switch 216A when the second contact region 226B deflects to actuate the second switch 216B.
- the second foot 234B is disposed between the third contact region 226C and the fourth contact region 226D but otherwise acts in a similar manner to the first foot 234A.
- the second foot 234B contacts the second light guide 218B to inhibit the fourth contact region 226D from actuating the fourth switch 216D.
- the second foot 234B contacts the second light guide 218B to inhibit the third contact region 226C from actuating the third switch 216C.
- the second foot 234B is normally spaced apart from the second light guide 218B by a small distance (e.g., approximately 0.2mm).
- the third and fourth contact regions 226C, 226D are deflectable over a first distance before the second foot 234B contacts the light guide 218B.
- the pressed contact region 226C or 226D may be further pressed and deflected over a second distance (e.g., approximately 0.2mm) to actuate the associated switch 216C or 216D.
- the unpressed contact region 226C or 226D moves slightly away from the other switch 216C or 216D due to the "see-saw" structure of the second deflectable portion 224B and the second foot 234B.
- the fourth contact region 226D moves away from the fourth switch 216D when the third contact region 226C deflects to actuate the third switch 216C.
- the third contact region 226C moves away from the third switch 216C when the fourth contact region 226D deflects to actuate the fourth switch 216D.
- the lens 122 further includes in-mold decorative features that identify the menu keys 120A-D.
- the in-mold decorative features include invariant indicia (i.e., invariant text characters, such as letters, numbers, punctuation, and symbols, and invariant functional characters, such as shift, enter, delete, menu, back, place call, end call, 'sym', and 'alt') aligned with the contact regions 226A-D and corresponding to the functions of the menu keys 120A-D.
- the indicia includes a telephone-shaped functional character aligned with the first contact region 226A and corresponding to the "place call" function of the first key 120A.
- invariant when used to describe indicia, means that the text and/or functional character of a key does not change to other text and functional characters.
- the function performed by pressing such a key may vary depending on the operating mode of the electronic mobile device (e.g., if placing a phone call, sending a text message, playing a game, etc .).
- invariant indicia may be transparent or translucent and may be illuminated by light directed from the light guides 218A, 218B depending on the operating mode of the electronic mobile device ( e.g., upon sensing low-light conditions).
- the indicia are not limited to "invariant" indicia, but could also include variant indicia that changes based on the application, using such technology as e-ink, for example and as known in the art.
- the key/display assembly 108 described above may be modified in various manners.
- the embodiments described above do not include a falsing-inhibiting foot between the second and third contact regions 226B, 226C because the trackpad passageway 228 reduces the likelihood of falsing between these contact regions.
- the optical trackpad 110 is omitted and a foot is disposed between the second and third contact regions 226B, 226C to inhibit switch falsing (not shown).
- the present disclosure provides an electronic mobile device that has an aesthetically pleasing external appearance due to a generally continuous protective lens.
- the key/display assembly has a structure that inhibits switch falsing while providing tactile feedback to the device user.
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- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
- Telephone Set Structure (AREA)
- Switch Cases, Indication, And Locking (AREA)
Description
- The present disclosure generally relates to electronic mobile devices, and more particularly to key and display structures of electronic mobile. An example of device having key/display assembly is disclosed in
WO-A-2008/014110 . - In the design of electronic mobile devices, such as cellular phones and the like, there is an inclination to continuously improve aesthetic qualities. One manner for making such improvements involves designing smaller and/or thinner devices by using smaller and/or thinner components. Another manner for making aesthetic improvements includes using visually and/or tactilely pleasing individual components. One set of visually pleasing components includes an external lens that overlies a display module and defines, in part, one or more adjacent menu keys. This structure provides a smooth appearance with few, if any, breaks or discontinuities on the lens between the display module and the keys and between the keys themselves. As such, the keys appear to be part of a bezel structure that surrounds the display.
- The above keys, while aesthetically pleasing, can be difficult for a user to manipulate. For example, if each key includes a mechanical switch (i.e., a dome switch) beneath the lens, the keys can be prone to "falsing". That is, keys may be inadvertently deflected and actuated when pressing a neighboring key due to the continuous structure of the lens. Slits or breaks can be provided between adjacent keys to prevent adjacent lens portions from unintentionally deflecting, although such a solution reduces the aesthetic appeal of the device.
- Another solution to address key falsing involves using a touch-sensitive input device instead of mechanical switches. A touch-sensitive input can readily distinguish key presses between adjacent keys that are defined, in part, by a common lens structure. However, such touch-sensitive inputs typically do not provide tactile feedback to indicate to a user that a key has been successfully pressed.
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Fig. 1 is a front perspective view of an electronic mobile device including a key/display assembly according to the present disclosure; -
Fig. 2 is a partially exploded perspective view of the key/display assembly ofFig.1 ; -
Fig. 3 is a rear partial perspective view of a lens of the key/display assembly ofFig. 1 ; -
Fig. 4 is a section view of the key/display assembly along line 4-4 ofFig. 1 ; -
Fig. 5 is a section view of the key/display assembly along line 4-4 ofFig. 1 showing deflection of a menu key; -
Fig. 6 is a section view of the key/display assembly along line 6-6 ofFig. 1 showing deflection of a first menu key; and -
Fig. 7 is a section view of the key/display assembly along line 6-6 ofFig. 1 showing deflection of the second menu key. - According to some embodiments, a key/display assembly includes a first switch and a second switch, and a display module is disposed aside the first switch and the second switch. A lens is disposed adjacent the display module and has an inner surface facing the display module. The lens includes a first contact region adjacent the first switch and a second contact region adjacent the second switch. The inner surface supports a first foot disposed between the first contact region and the second contact region. A first key is defined by the first switch and the first contact region such that the first key is actuated by deflecting the first contact region to actuate the first switch. A second key is defined by the second switch and the second contact region such that the second key is actuated by deflecting the second contact region to actuate the second switch. When the first contact region deflects to actuate the first switch, the first foot inhibits the second contact region from actuating the second switch. When the second contact region deflects to actuate the second switch, the first foot inhibits the first contact region from actuating the first switch.
- The teachings of the present disclosure relate generally to portable electronic devices, e.g., mobile communication devices such as pagers, cellular phones, global positioning system (GPS) navigation devices and other satellite navigation devices, smart phones, wireless organizers, wireless personal digital assistants (PDA), and tablet computers. The portable electronic devices could be devices without wireless communication capabilities such as PDAs, electronic gaming devices, digital photograph albums or picture frames, digital cameras, or digital video recorders. These examples are intended to be non-limiting. It is also possible that the teachings of the present disclosure could be applied to electronic devices other than handheld electronic devices, e.g., notebook computers.
- Referring now to
Figs. 1-2 , an electronicmobile device 100 according to the present disclosure generally includes abase 102 that houses various electronic components that control operation of the device, such as a microprocessor (not shown). Thebase 102 also supports a keypad orkeyboard 104 on a front surface thereof. Thekeypad 104 includes keys that are actuatable by a user to provide inputs to the device 100 (e.g., to enter alphanumeric characters and the like). Sides of thebase 102 may also support volume control orshortcut keys 106. - Above the
keypad 104, the front surface of thebase 102 supports a menu key/display assembly 108. As the name implies, the key/display assembly 108 is actuatable to perform various tasks (e.g., place and end voice calls, enter and exit device applications, and the like) and displays information to the user. Furthermore, with the exception of an optional input control (e.g., anoptical trackpad 110 or the like), the key/display assembly has a generally continuous and aesthetically pleasing external appearance. The following paragraphs describe more specifically the structure of the key/display assembly 108 that provides this pleasing appearance in addition to improved key manipulability. - Still referring to
Figs. 1-2 , the key/display assembly 108 includes a display module 212 (Fig. 2 ) supported by thebase 102 and in communication with the microprocessor. Thedisplay module 212 displays information to the device user and, in some embodiments, is a liquid crystal display (LCD) module. Alternatively, thedisplay module 212 may be another type of display device, such as an organic light emitting diode (OLED) module, a plasma display panel (PDP) module, or the like. - An open-rectangular gasket 214 (
Fig. 2 ) surrounds thedisplay module 212 on a side adjacent to the front surface of thebase 102. In some embodiments, thegasket 214 comprises a semi-elastic polymer, such as silicone, although other similar materials may alternatively be used. Regardless of the specific material, thegasket 214 provides impact resistance for thedisplay module 212. In addition, thegasket 214 also permits another component of the key/display assembly 108 to deflect as described in further detail below. - The key/
display assembly 108 further includes afirst switch 216A, asecond switch 216B, a third switch 216C, and afourth switch 216D (Fig. 2 ) supported by or adjacent tolight guides base 102. Theswitches 216A-D are disposed to the side of thedisplay module 212 proximate thekeypad 104, and the first andsecond switches trackpad 110 than the third andfourth switches 216C, 216D. In some embodiments, theswitches 216A-D are mechanical dome switches that "snap" when actuated by the user. Alternatively, theswitches 216A-D may be any other type that provides tactile feedback to the user when actuated. Furthermore, it is appreciated that thedevice 100 is not limited to the four switches disclosed herein, and that fewer or more switches may be utilized to suit the application. - Each
switch 216A-D defines, in part, a menu key of the key/display assembly 108 that is actuatable to perform one or more tasks. In particular, thefirst switch 216A defines, in part, afirst key 120A (Fig. 1 ) that is actuatable, e.g., to place a voice call or display "recent calls" information. Thesecond switch 216B defines, in part, asecond key 120B that is actuatable, e.g., to display an application menu. The third switch 216C defines, in part, athird key 120C that serves as, e.g., a "back" or "escape" key. Thefourth switch 216D defines, in part, afourth key 120D that is actuatable, e.g., to end a voice call or serve as an on/off button for the electronicmobile device 100. However, it is recognized that thekeys 120A-D are not limited to performing the above-identified functions. - The key/
display assembly 108 further includes alens 122 that overlies thedisplay module 212, thecompressible gasket 214, and theswitches 216A-D. Thelens 122 protects the components disposed therebelow and inhibits debris and other contaminants from entering the electronicmobile device 100. As such, thelens 122 may comprise molded materials such as polycarbonates, acrylics, thermoplastic elastomers (TPEs), and the like. - The
lens 122 includes a firstdeflectable portion 224A and a seconddeflectable portion 224B that are cantilevered past the edge of thedisplay module 212 and further define themenu keys 120A-D. In particular, the firstdeflectable portion 224A includes afirst contact region 226A that further defines the first menu key 120A and asecond contact region 226B that further defines thesecond menu key 120B. The seconddeflectable portion 224B includes athird contact region 226C that further defines thethird menu key 120C and afourth contact region 226D that further defines the fourth menu key 120D. As such, pressing and deflecting thefirst contact region 226A thereby actuates thefirst switch 216A to indicate to the microprocessor that the first key 120A has been pressed. Pressing and deflecting thesecond contact region 226B thereby actuates thesecond switch 216B to indicate that the second key 120B has been pressed. Pressing and deflecting thethird contact region 226C thereby actuates the third switch 216C to indicate that the third key 120C has been pressed. Lastly, pressing and deflecting thefourth contact region 226D thereby actuates thefourth switch 216D to indicate that the fourth key 120D has been pressed. - In addition to protecting the components disposed therebelow and partially defining the
menu keys 120A-D, thelens 122 is also generally continuous (i.e., lacking breaks and changes in thickness except for apassageway 228 through which thetrackpad 110 extends) to provide an aesthetically pleasing appearance. In particular, thelens 122 is continuous between the first andsecond contact regions fourth contact regions lens 122 is also continuous between adisplay region 230 that overlies thedisplay module 212 and thecontact regions 226A-D. - From the above, it should be apparent that deflecting one of the contact regions causes deflection of the adjacent contact region due to the continuous lens structure. For example, deflecting the
first contact region 226A causes thesecond contact region 226B to deflect towards thesecond switch 216B. To prevent such switch falsing, an inner surface 332 (Fig. 3 ) of thelens 122 integrally supports afirst foot 234A and asecond foot 234B that inhibit thecontact regions 226A-D from unintentionally actuating theswitches 216A-D. - As shown most clearly in
Fig. 3 , the first andsecond feet keypad 104 and thedisplay module 212. The first andsecond feet inner surface 332 of thelens 122. Feet having other constructions may alternatively be used. - Regardless of the specific shape that is used, the
first foot 234A is disposed between thefirst contact region 226A and thesecond contact region 226B. As such, when the user deflects thefirst contact region 226A to actuate thefirst switch 216A (i.e., actuates the first key 120A), thefirst foot 234A contacts thefirst light guide 218A to inhibit thesecond contact region 226B from actuating thesecond switch 216B. Conversely, when the user deflects thesecond contact region 226B to actuate thesecond switch 216B, thefirst foot 234A contacts thefirst light guide 218A to inhibit thefirst contact region 226A from actuating thefirst switch 216A. - In order to provide relatively low initial tactile feedback forces to the device user, the
first foot 234A is normally spaced apart from thefirst light guide 218A by a small distance (e.g., approximately 0.2mm). As such, the first andsecond contact regions first foot 234A contacts thelight guide 218A. After thefirst foot 234A contacts thefirst light guide 218A, the pressedcontact region switch unpressed contact region other switch deflectable portion 224A and thefirst foot 234A. In particular and as shown most clearly inFig. 6 , thesecond contact region 226B moves away from thesecond switch 216B when thefirst contact region 226A deflects to actuate thefirst switch 216A. Conversely and as shown most clearly inFig. 7 , thefirst contact region 226A moves away from thefirst switch 216A when thesecond contact region 226B deflects to actuate thesecond switch 216B. - The
second foot 234B is disposed between thethird contact region 226C and thefourth contact region 226D but otherwise acts in a similar manner to thefirst foot 234A. In particular, when the user deflects thethird contact region 226C to actuate the third switch 216C (i.e., actuates the third key 120C), thesecond foot 234B contacts the secondlight guide 218B to inhibit thefourth contact region 226D from actuating thefourth switch 216D. Conversely, when the user deflects thefourth contact region 226D to actuate thefourth switch 216D, thesecond foot 234B contacts the secondlight guide 218B to inhibit thethird contact region 226C from actuating the third switch 216C. - In order to provide relatively low initial tactile feedback forces to the device user, the
second foot 234B is normally spaced apart from the secondlight guide 218B by a small distance (e.g., approximately 0.2mm). As such, the third andfourth contact regions second foot 234B contacts thelight guide 218B. After thesecond foot 234B contacts the secondlight guide 218B, the pressedcontact region switch 216C or 216D. However, theunpressed contact region other switch 216C or 216D due to the "see-saw" structure of the seconddeflectable portion 224B and thesecond foot 234B. In particular, thefourth contact region 226D moves away from thefourth switch 216D when thethird contact region 226C deflects to actuate the third switch 216C. Conversely, thethird contact region 226C moves away from the third switch 216C when thefourth contact region 226D deflects to actuate thefourth switch 216D. - In addition to the features described above, the
lens 122 further includes in-mold decorative features that identify themenu keys 120A-D. In particular, the in-mold decorative features include invariant indicia (i.e., invariant text characters, such as letters, numbers, punctuation, and symbols, and invariant functional characters, such as shift, enter, delete, menu, back, place call, end call, 'sym', and 'alt') aligned with thecontact regions 226A-D and corresponding to the functions of themenu keys 120A-D. For example, the indicia includes a telephone-shaped functional character aligned with thefirst contact region 226A and corresponding to the "place call" function of the first key 120A. - As used herein, the term "invariant", when used to describe indicia, means that the text and/or functional character of a key does not change to other text and functional characters. However, the function performed by pressing such a key may vary depending on the operating mode of the electronic mobile device (e.g., if placing a phone call, sending a text message, playing a game, etc.). Furthermore, invariant indicia may be transparent or translucent and may be illuminated by light directed from the light guides 218A, 218B depending on the operating mode of the electronic mobile device (e.g., upon sensing low-light conditions). In addition, it is noted that the indicia are not limited to "invariant" indicia, but could also include variant indicia that changes based on the application, using such technology as e-ink, for example and as known in the art.
- The key/
display assembly 108 described above may be modified in various manners. For example, the embodiments described above do not include a falsing-inhibiting foot between the second andthird contact regions trackpad passageway 228 reduces the likelihood of falsing between these contact regions. In other embodiments, theoptical trackpad 110 is omitted and a foot is disposed between the second andthird contact regions - From the above description it should be apparent that the present disclosure provides an electronic mobile device that has an aesthetically pleasing external appearance due to a generally continuous protective lens. In addition, the key/display assembly has a structure that inhibits switch falsing while providing tactile feedback to the device user.
Claims (15)
- A key/display assembly (108), comprising:a first switch (216A) and a second switch (216B);a display module (212) disposed aside the first switch (216A) and the second switch (216B), characterised in that it further comprises:a lens (122) disposed adjacent the display module (212) and having an inner surface facing the display module (212), and the lens (122) including a display region (230) overlying the display module (212), a first contact region (226A) adjacent the first switch (216A), and a second contact region (226B) adjacent the second switch (216B), and the lens (122) being continuous between the display region (230) and the first contact region (226A) and between the display region (230) and the second contact region (226B);a first foot (234A) supported by the inner surface and disposed between the first contact region (226A) and the second contact region (226B);a first key (120A) defined by the first switch (216A) and the first contact region (226A) such that the first key (120A) is actuated by deflecting the first contact region (226A) to actuate the first switch (216A);a second key (120B) defined by the second switch (216B) and the second contact region (226B) such that the second key (120B) is actuated by deflecting the second contact region (226B) to actuate the second switch (216B); andwherein when the first contact region (226A) deflects to actuate the first switch (216A), the first foot (234A) inhibits the second contact region (226B) from actuating the second switch (216B), and when the second contact region (226B) deflects to actuate the second switch (216B), the first foot (234A) inhibits the first contact region (226A) from actuating the first switch (216A).
- The key/display assembly (108) of claim 1, wherein the second contact region (226B) moves away from the second switch (216B) when the first contact region (226A) deflects to actuate the first switch (216A), and the first contact region (226A) moves away from the first switch (216A) when the second contact region (226B) deflects to actuate the second switch (216B).
- The key/display assembly (108) of claim 1, further comprising a base (102) supporting the first switch (216A), the second switch (216B), the display module (212), and the lens (122), and wherein when the first contact region (226A) deflects to actuate the first switch (216A), the first foot (234A) contacts the base (102) to inhibit the second contact region (226B) from actuating the second switch (216B).
- The key/display assembly (108) of claim 3, wherein the first foot (234A) is normally disposed apart from the base (102) and the first contact region (226A) is deflectable over a first distance in which the first foot (234A) does not contact the base (102), and when the first foot (234A) contacts the base (102), the first contact region (226A) is deflectable over a second distance to actuate the first switch (216A).
- The key/display assembly (108) of claim 1, wherein the first contact region (226A) and the second contact region (226B) are cantilevered past an edge of the display module (212).
- The key/display assembly (108) of claim 1, further comprising a compressible gasket (214) disposed between the display module (212) and the lens (122) and proximate an edge of the display module (212).
- The key/display assembly (108) of claim 6, wherein the compressible gasket (214) supports the lens (122) such that the first contact region (226A) and the second contact region (226B) are cantilevered past the edge of the display module (212).
- The key/display assembly (108) of claim 7, wherein the display region (230) overlies the compressible gasket (214).
- The key/display assembly (108) of claim 8, wherein the lens (122) is continuous between the display region (230), the first contact region (226A), and the second contact region (226B).
- The key/display assembly (108) of claim 1, wherein the lens (122) is continuous between the first contact region (226A) and the second contact region (226B).
- The key/display assembly (108) of claim 1, wherein the lens (122) is continuous between the display region (230), the first contact region (226A), and the second contact region (226B).
- The key/display assembly (108) of claim 1, further comprising:a base (102) supporting the first switch (216A), the second switch (216B), the display module (212), and the lens (122);a third switch (216C) supported by the base (102);a fourth switch (216D) supported by the base (102);wherein the lens (122) further includes a third contact region (226C) adjacent the third switch (216C) and a fourth contact region (226D) adjacent the fourth switch (216D);a second foot (234B) supported by the inner surface and disposed between the third contact region (226C) and the fourth contact region (226D);a third key (120C) defined by the third switch (216C) and the third contact region (226C) such that the third key (120C) is actuated by deflecting the third contact region (226C) to actuate the third switch (216C);a fourth key (120D) defined by the fourth switch (216D) and the fourth contact region (226D) such that the fourth key (120D) is actuated by deflecting the fourth contact region (226D) to actuate the fourth switch (216D); andwherein when the third contact region (226C) deflects to actuate the third switch (216C), the second foot (234B) contacts the base (102) to inhibit the fourth contact region (226D) from actuating the fourth switch (216D), and when the fourth contact region (226D) deflects to actuate the fourth switch (216D), the second foot (234B) contacts the base (102) to inhibit the third contact region (226C) from actuating the third switch (216C).
- The key/display assembly (108) of claim 12, further comprising an input control (110) supported by the base (102) and disposed between the second switch (216B) and the third switch (216C), and wherein the lens (122) includes a passageway (228) between the second contact region (226B) and the third contact region (226C) through which the input control (110) extends.
- The key/display assembly (108) of claim 1, wherein the first foot (234A) integrally connects to the lens (122).
- The key/display assembly (108) of claim 1, wherein the first key (120A) further includes at least one of an invariant text character and an invariant functional character, and the second key (120B) further includes at least one of an invariant text character and an invariant functional character.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11153449.1A EP2485233B1 (en) | 2011-02-04 | 2011-02-04 | Electronic mobile device seamless key/display structure |
CN201210019582.9A CN103095873B (en) | 2011-02-04 | 2012-01-21 | Electronic mobile device seamless key/display structure |
CA2765689A CA2765689C (en) | 2011-02-04 | 2012-01-27 | Electronic mobile device seamless key/display structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11153449.1A EP2485233B1 (en) | 2011-02-04 | 2011-02-04 | Electronic mobile device seamless key/display structure |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2485233A1 EP2485233A1 (en) | 2012-08-08 |
EP2485233B1 true EP2485233B1 (en) | 2016-04-20 |
Family
ID=44147904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11153449.1A Active EP2485233B1 (en) | 2011-02-04 | 2011-02-04 | Electronic mobile device seamless key/display structure |
Country Status (3)
Country | Link |
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EP (1) | EP2485233B1 (en) |
CN (1) | CN103095873B (en) |
CA (1) | CA2765689C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2535914B1 (en) * | 2011-06-13 | 2017-09-06 | BlackBerry Limited | Key lighting assembly |
US10716223B2 (en) | 2017-04-17 | 2020-07-14 | Google Llc | Frame assembly for an electronic device display |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100938055B1 (en) * | 2003-03-21 | 2010-01-21 | 삼성전자주식회사 | Key inputting device for portable communication device |
US7834853B2 (en) * | 2006-07-24 | 2010-11-16 | Motorola, Inc. | Handset keypad |
JP4948229B2 (en) * | 2007-03-29 | 2012-06-06 | パナソニック株式会社 | Electronics |
-
2011
- 2011-02-04 EP EP11153449.1A patent/EP2485233B1/en active Active
-
2012
- 2012-01-21 CN CN201210019582.9A patent/CN103095873B/en active Active
- 2012-01-27 CA CA2765689A patent/CA2765689C/en active Active
Also Published As
Publication number | Publication date |
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CA2765689C (en) | 2015-10-20 |
CA2765689A1 (en) | 2012-08-04 |
CN103095873A (en) | 2013-05-08 |
EP2485233A1 (en) | 2012-08-08 |
CN103095873B (en) | 2016-02-24 |
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