EP2511926A1 - Key device and electronic apparatus containing the key device - Google Patents
Key device and electronic apparatus containing the key device Download PDFInfo
- Publication number
- EP2511926A1 EP2511926A1 EP12002313A EP12002313A EP2511926A1 EP 2511926 A1 EP2511926 A1 EP 2511926A1 EP 12002313 A EP12002313 A EP 12002313A EP 12002313 A EP12002313 A EP 12002313A EP 2511926 A1 EP2511926 A1 EP 2511926A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- key
- circuit board
- printed circuit
- flexible printed
- key body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
- H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
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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
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
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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
- H01H13/78—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 the contacts or the contact sites
- H01H13/807—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 the contacts or the contact sites characterised by the spatial arrangement of the contact sites, e.g. superimposed sites
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/008—Actuators other then push button
- H01H2221/012—Joy stick type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/024—Transmission element
- H01H2221/026—Guiding or lubricating nylon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/07—Actuators transparent
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2225/00—Switch site location
- H01H2225/028—Switch site location perpendicular to base of keyboard
Definitions
- the present invention relates to a key of an electronic apparatus, and in particular to a key device and electronic apparatus containing the key device.
- Fig. 1 illustrates the structure of a key of a typical electronic apparatus.
- the structure of a key of a typical electronic apparatus contains a key body, the key body having a key top 11 and a plunger 12, and by pressing the key top 11, the plunger 12 generates a force effect on a corresponding key sensing (sometimes referred to as inducting) portion (a normal dome as shown in Fig. 1 ) on the circuit board of the electronic apparatus, thereby providing key information.
- a corresponding key sensing (sometimes referred to as inducting) portion (a normal dome as shown in Fig. 1 ) on the circuit board of the electronic apparatus, thereby providing key information.
- the present invention is provided in view of the above problem in prior art.
- the present invention provides a key device as defined in claim 1 and an electronic apparatus as defined in claim 7.
- the dependent claims define preferred embodiments of the invention.
- the present invention is addressed to provide a key device and electronic apparatus containing the key device, so as to realize the complete transparency of the key of an electronic apparatus when the key body in a key device is made of a transparent material.
- a key device comprising a housing and a key structure, a hollow accommodating space being provided in the housing, and the key structure comprising:
- the lateral contacting structure further comprises a fixed portion and a squeezing portion, with the contacting portion being provided between the fixed portion and the squeezing portion; the fixed portion being fixedly provided on the inner surface of the hollow accommodating space; the contacting portion being spaced apart from the flexible printed circuit board at a certain distance when the key body is in a loosened state, and being in contact with the flexible printed circuit board when the key body is in a pressed state; the squeezing portion supporting the key body when the key body is in a loosened state, and moving towards the flexible printed circuit board under the squeeze of the squeezing portion when the key body is in a pressed state, and directing the contacting portion to be in contact with the flexible printed circuit board.
- the hollow accommodating space comprises an upper half having a first diameter and a lower half having a second diameter, with the first diameter being smaller than the second diameter;
- the flexible printed circuit board is fixedly provided on the inner surface of the lower half; and the fixed portion is fixedly provided on the inner surface of the upper half, with the contacting portion and the squeezing portion being accommodated within the lower half.
- a key device as described in the third aspect, wherein the contacting portion is a projection provided towards the flexible printed circuit board.
- a key device as described in the fourth aspect, wherein the hollow accommodating space, the key body, the lateral contacting structure and the flexible printed circuit board are provided coaxially.
- a key device as described in the first aspect, wherein the key body is made of a transparent material.
- an electronic apparatus comprising a key device, the key device comprising a housing and a key structure, a hollow accommodating space being provided in the housing, and the key structure comprising:
- the lateral contacting structure further comprises a fixed portion and a squeezing portion, with the contacting portion being provided between the fixed portion and the squeezing portion; the fixed portion being fixedly provided on the inner surface of the hollow accommodating space; the contacting portion being spaced apart from the flexible printed circuit board at a certain distance when the key body is in a loosened state, and being in contact with the flexible printed circuit board when the key body is in a pressed state; the squeezing portion supporting the key body when the key body is in a loosened state, and moving towards the flexible printed circuit board under the squeeze of the squeezing portion when the key body is in a pressed state, and directing the contacting portion to be in contact with the flexible printed circuit board.
- an electronic apparatus as described in the eighth aspect, wherein the hollow accommodating space comprises an upper half having a first diameter and a lower half having a second diameter, with the first diameter being smaller than the second diameter; the flexible printed circuit board is fixedly provided on the inner surface of the lower half; and the fixed portion is fixedly provided on the inner surface of the upper half, with the contacting portion and the squeezing portion being accommodated within the lower half.
- an electronic apparatus as described in the ninth aspect, wherein the contacting portion is a projection provided towards the flexible printed circuit board.
- an electronic apparatus as described in the tenth aspect, wherein the hollow accommodating space, the key body, the lateral contacting structure and the flexible printed circuit board are provided coaxially.
- an electronic apparatus as described in the seventh aspect, wherein the key body is made of a transparent material.
- the key body in the key device of the present invention is in lateral contact with the flexible printed circuit board, the effect of the complete transparency of the key may be realized when the key body in the key structure is made of a transparent material.
- portable radio communication apparatus includes portable radio communication apparatus.
- portable radio communication apparatus which hereinafter is referred to as a "mobile terminal”, “portable electronic device”, or “portable communication device”, comprises all apparatuses such as mobile telephones, pagers, communicators, electronic organizers, personal digital assistants (PDAs), smartphones, portable communication devices or the like.
- PDAs personal digital assistants
- embodiments of the invention are described primarily in the context of a portable electronic device in the form of a mobile telephone (also referred to as "mobile phone").
- a mobile telephone also referred to as "mobile phone”
- the invention is not limited to the context of a mobile telephone and may relate to any type of appropriate electronic apparatus having the function of photographing and sound recording.
- FIG. 2 illustrates a sectional view of the key device according to an embodiment of the present invention.
- the key device comprises a housing 21 and a key structure.
- a key structure is taken as an example in description, although actually the electronic apparatus 25 may comprise a key matrix consisting of a plurality of such key structures.
- the housing 21 is provided with a hollow accommodating space, and the key structure comprises a key body 22, a lateral contacting structure 23 and a flexible printed circuit board 24.
- At least part of the key body 22 is accommodated in the hollow accommodating space of the housing 21.
- the lateral contacting structure 23 is positioned within the hollow accommodating space of the housing 21 and comprises a contacting portion 232, the contacting portion 232 being provided at the outer side of the key body 22.
- the lateral contacting structure 23 is squeezed by the key body 22, so that the contacting portion 232 is in contact with the flexible printed circuit board 24,
- the flexible printed circuit board 24 is positioned within the hollow accommodating space of the housing 21 and provided at the outer side of the contacting portion 232 for sensing the lateral contact of the contacting portion 232.
- the key device provided in this embodiment may feed the key information of the key body back to the electronic apparatus provided with the key device, for example, provide the key information to the host controller of the electronic apparatus 25, so that the host controller of the electronic apparatus performs corresponding processing according to such key information.
- the manner in which the key body 22 and the flexible printed circuit board 24 make contact with each other in the key structure is lateral contact, instead of conventional bottom contact.
- the contacting portion 232 at the lateral side of the key body is in contact with the flexible printed circuit board 24.
- the flexible printed circuit board may sense the contacting action, thereby providing the key information of the key body.
- a a plurality of such key structures are provided in a plurality of hollow accommodating spaces of the housing 21 of the key device, forming a key matrix of the electronic apparatus 25.
- the key body 22 is made of a transparent material, since the flexible printed circuit board 24 is provided at the outer side of the key body 22, the flexible printed circuit board does not block the light entering from the bottom of the key, thereby realizing the complete transparency of the key of the electronic apparatus.
- Fig. 3 (a) illustrates an exploded view of the key device according to the embodiment shown in Fig. 2
- Fig. 3(b) illustrates a sectional view of an exploded view of the key device according to the embodiment shown in Fig. 2
- the key device comprising one key structure is taken as an example.
- the electronic apparatus 25 ( Fig. 2 ) may be provided with a plurality of key structures of the present invention, and these embodiments are not limited thereto.
- the key device of this embodiment comprises a housing 31 and a key structure.
- the housing 31 is provided with a hollow accommodating space 311.
- the key structure comprises a key body 32, a lateral contacting structure 33 and a flexible printed circuit board 34.
- the the lateral contacting structure comprises a fixed portion 331, a contacting portion 332 and a squeezing portion 333, with the contacting portion 332 being provided between the fixed portion 331 and the squeezing portion 333.
- the fixed portion 331 is fixedly provided on the inner surface of the hollow accommodating space 311.
- the contacting portion 332 is spaced apart from the flexible printed circuit board 34 at a certain distance when the key body 32 is in a loosened state, e.g., is unpressed, and is in contact with the flexible printed circuit board 34 when the key body 32 is in a pressed state.
- the squeezing portion 333 supports the key body 32 when the key body 32 is in a loosened state.
- the squeezing portion 333 is moved towards the flexible printed circuit board 34 under the squeezing force applied by the key body 32 when the key body 32 is in a pressed state and directs the contacting portion 332 to be in contact with the flexible printed circuit board 34.
- the lateral contacting structure 33 may be an elastic wall, with a projection of which facing the key body 32 being the squeezing portion as described above, and a projection of which facing the flexible printed circuit board 34 being the contacting portion 232 as described above.
- the lateral contacting structure 33 and the flexible printed circuit board 34 may be provided in the manner shown in Fig. 3 (b) ; however, this embodiment is not limited thereto.
- the hollow accommodating space 311 of the housing 31 of the key device comprises an upper half 3111 having a first diameter and a lower half 3112 having a second diameter, with the first diameter being smaller than the second diameter.
- the flexible printed circuit board 34 is fixedly provided on the inner surface of the lower half 3112.
- the fixed portion 331 of the lateral contacting portion 33 is fixedly provided on the inner surface of the upper half 3111.
- the contacting portion 332 and the squeezing portion 333 of the lateral contacting portion 33 are accommodated within the lower half 3112.
- the manner in which the flexible printed circuit board 34 is fixedly provided on the inner surface of the lower half 3112 and the fixed portion 331 of the lateral contacting structure 33 is fixedly provided on the inner surface of the upper half 3111 may be sticking by using a glue layer, or may be by other existing methods, and this embodiment is not limited thereto.
- Fig. 2 The key device shown in Fig. 2 will be further described as follows with reference to a schematic diagram showing the operational state of the key structure.
- Fig. 4 illustrates a schematic diagram showing the key structure according to the embodiment shown in Fig. 2 in an operational state.
- the key device of this embodiment comprises a housing 41 and a key structure.
- the key structure comprises a key body 42, a lateral contacting structure 43 and a flexible printed circuit board 44.
- the lateral contacting structure 43 comprises a fixed portion 431, a contacting portion 432 and a squeezing portion 433.
- the structures of and positional relations between the components of the key device are the same as described in above embodiments, which shall not be described any further.
- the contacting portion 432 of the lateral contacting structure 43 is spaced apart from the flexible printed circuit board 44 at a distance h.
- the key body 42 when the key body 42 is in a pressed state, i.e. when the top of the key body 42 is pressed by a user, the key body 42 generates a force on the squeezing portion 433 of the lateral contacting structure 43, and the squeezing portion 433 moves towards the flexible printed circuit board 44 under the squeeze of the key body 42, thereby bringing or directing the contacting portion 432 to be in contact with the flexible printed circuit board 44.
- the flexible printed circuit board 44 may sense the state of the key body 42 under squeeze, thereby providing the key information of the key body 42.
- the squeezing portion 433 is also released, the contacting portion 432 is out of contact with the flexible printed circuit board 44, and the flexible printed circuit board 44 may sense that the key 41 is released.
- the key body 42 is in a loosened state, and the distance h again exists between the contacting structure 43 and the flexible printed circuit board 44.
- Fig. 5 illustrates a schematic diagram showing an effect of transparency of the key structure according to the embodiment shown in Fig. 2 .
- the light may pass through the bottom of the key body and providing for viewing of the light from the top of the key, the key being completely transparent, thereby realizing the complete transparency of the key.
- the key body 52 (also designated 22, 32 and 42 in other drawing figures) is shown as a circular cross-sectional cylinder shape as an example; however, the present invention is not limited thereto. In practice, the key body 52 ⁇ may be of any shape as actually required.
- the key body 52 may be a cylinder if elliptical, polygonal, trapezoidal or other cross-sectional shape, etc.
- the contacting portion of the lateral contacting structure is a projection provided towards the flexible printed circuit board, and the projection may be one, or two that are arranged symmetrically, and may be arranged around the periphery of the key body; however, this embodiment is not limited thereto.
- the hollow accommodating space of the housing of the key device, the key body of the key structure, the lateral contacting structure and the flexible printed circuit board may be provided coaxially; however, this embodiment is not limited thereto.
- the flexible printed circuit board may be provided at a position corresponding to the contacting portion of the lateral contacting structure.
- an electronic apparatus comprising a key device, the key device comprising a housing and a key structure.
- a hollow accommodating space is provided in the housing.
- the key structure comprises a key body, a lateral contacting structure and a flexible printed circuit board, wherein at least part of the key body is accommodated in the hollow accommodating space;
- the lateral contacting structure is positioned within the hollow accommodating space of the housing and comprises a contacting portion, the contacting portion being provided at the outer side of the key body, and when being pressed, the lateral contacting structure being squeezed by the key body, so that the contacting portion is in contact with the flexible printed circuit board;
- the flexible printed circuit board is positioned within the hollow accommodating space of the housing and provided at the outer side of the contacting portion for sensing the lateral contact of the contacting portion.
- the lateral contacting portion further comprises a fixed portion and a squeezing portion, with the contacting portion being provided between the fixed portion and the squeezing portion;
- the fixed portion is fixedly provided on the inner surface of the hollow accommodating space;
- the contacting portion is spaced apart from the flexible printed circuit board at a certain distance when the key body is in a loosened state, and is in contact with the flexible printed circuit board when the key body is in a pressed state;
- the squeezing portion supports the key body when the key body is in a loosened state, and moves towards the flexible printed circuit board under the squeeze of the squeezing portion when the key body is in a pressed state, and directs the contacting portion to be in contact with the flexible printed circuit board.
- the hollow accommodating space comprises an upper half having a first diameter and a lower half having a second diameter, with the first diameter being smaller than the second diameter; the flexible printed circuit board is fixedly provided on the inner surface of the lower half; and the fixed portion is fixedly provided on the inner surface of the upper half, with the contacting portion and the squeezing portion being accommodated within the lower half.
- the contacting portion may be a projection provided towards the flexible printed circuit board.
- the squeezing portion may be a projection provided towards the key body.
- the hollow accommodating space, the key body, the lateral contacting structure and the flexible printed circuit board may be provided coaxially.
- the key body may be made of a transparent material.
- the key device of the electronic apparatus may be implemented by using the key device shown in Fig. 2 .
- the contents of the key device shown in Figs. 2-5 are incorporated herein, which shall not be described any further.
- the electronic apparatus of the present invention may realize the effect of complete transparency of the key.
Abstract
A key device and electronic apparatus containing the key device. The key device comprises a housing (31) and key structure, a hollow accommodating space (311) in the housing (31). The key structure comprising: a key body (32), at least part of the key body (32) being accommodated in the hollow accommodating space (311); a lateral contacting structure (33) within the hollow accommodating space (311) and comprising a contacting portion (332) provided at the outer side of the key body (32), and when being pressed, the lateral contacting structure (33) being squeezed by the key body (32), so that the contacting portion (332) is in contact with a flexible printed circuit board (34); and a flexible printed circuit board (34) within the hollow accommodating space (311) at the outer side of the contacting portion (332) for inducting the lateral contact of the contacting portion (332). Since lateral contact is made with the flexible printed circuit board (34), the key may be transparent when the key body (32) is transparent.
Description
- The present invention relates to a key of an electronic apparatus, and in particular to a key device and electronic apparatus containing the key device.
- Currently, in people's daily lives and works, various electronic apparatuses are frequently used, such as a telephone, a computer, a personal computer, a notebook computer, a personal digital assistant (PDA), a mobile telephone (mobile phone), etc. Most of these electronic apparatuses are provided with keys.
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Fig. 1 illustrates the structure of a key of a typical electronic apparatus. As shown inFig. 1 , the structure of a key of a typical electronic apparatus contains a key body, the key body having akey top 11 and a plunger 12, and by pressing thekey top 11, the plunger 12 generates a force effect on a corresponding key sensing (sometimes referred to as inducting) portion (a normal dome as shown inFig. 1 ) on the circuit board of the electronic apparatus, thereby providing key information. - As the use of electronic apparatuses widens, the demands of people regarding appearance of electronic apparatuses increase, and they desire electronic apparatuses having transparent keys. However, since the
dome 13 of the key structure of the electronic apparatus shown inFig. 1 is not opaque, the effect that the keys are completely transparent cannot be realized, even though thekey top 11 and the plunger 12 are made of a transparent material. For example, looking downwards from thekey top 11, thedome 13 of the electronic apparatus can still be seen. - Therefore, how to realize the complete transparency of the key of an electronic apparatus is under study in the art.
- The present invention is provided in view of the above problem in prior art. The present invention provides a key device as defined in claim 1 and an electronic apparatus as defined in claim 7. The dependent claims define preferred embodiments of the invention.
- The present invention is addressed to provide a key device and electronic apparatus containing the key device, so as to realize the complete transparency of the key of an electronic apparatus when the key body in a key device is made of a transparent material.
- According to a first aspect of the present invention, there is provided a key device, comprising a housing and a key structure, a hollow accommodating space being provided in the housing, and the key structure comprising:
- a key body, at least part of the key body being accommodated in the hollow accommodating space;
- a lateral contacting structure positioned within the hollow accommodating space and comprising a contacting portion, the contacting portion being provided at the outer side of the key body, and when being pressed, the lateral contacting structure being squeezed by the key body, so that the contacting portion is in contact with a flexible printed circuit board; and
- a flexible printed circuit board positioned within the hollow accommodating space and provided at the outer side of the contacting portion for sensing the lateral contact of the contacting portion.
- According to a second aspect of the present invention, there is provided a key device as described in the first aspect, wherein the lateral contacting structure further comprises a fixed portion and a squeezing portion, with the contacting portion being provided between the fixed portion and the squeezing portion; the fixed portion being fixedly provided on the inner surface of the hollow accommodating space; the contacting portion being spaced apart from the flexible printed circuit board at a certain distance when the key body is in a loosened state, and being in contact with the flexible printed circuit board when the key body is in a pressed state; the squeezing portion supporting the key body when the key body is in a loosened state, and moving towards the flexible printed circuit board under the squeeze of the squeezing portion when the key body is in a pressed state, and directing the contacting portion to be in contact with the flexible printed circuit board.
- According to a third aspect of the present invention, there is provided a key device as described in the second aspect, wherein the hollow accommodating space comprises an upper half having a first diameter and a lower half having a second diameter, with the first diameter being smaller than the second diameter; the flexible printed circuit board is fixedly provided on the inner surface of the lower half; and the fixed portion is fixedly provided on the inner surface of the upper half, with the contacting portion and the squeezing portion being accommodated within the lower half.
- According to a fourth aspect of the present invention, there is provided a key device as described in the third aspect, wherein the contacting portion is a projection provided towards the flexible printed circuit board.
- According to a fifth aspect of the present invention, there is provided a key device as described in the fourth aspect, wherein the hollow accommodating space, the key body, the lateral contacting structure and the flexible printed circuit board are provided coaxially.
- According to a sixth aspect of the present invention, there is provided a key device as described in the first aspect, wherein the key body is made of a transparent material.
- According to a seventh aspect of the present invention, there is provided an electronic apparatus, comprising a key device, the key device comprising a housing and a key structure, a hollow accommodating space being provided in the housing, and the key structure comprising:
- a key body, at least part of the key body being accommodated in the hollow accommodating space;
- a lateral contacting structure positioned within the hollow accommodating space and comprising a contacting portion, the contacting portion being provided at the outer side of the key body, and when being pressed, the lateral contacting structure being squeezed by the key body, so that the contacting portion is in contact with a flexible printed circuit board; and
- a flexible printed circuit board positioned within the hollow accommodating space and provided at the outer side of the contacting portion for sensing the lateral contact of the contacting portion.
- According to an eighth aspect of the present invention, there is provided an electronic apparatus as described in the seventh aspect, wherein the lateral contacting structure further comprises a fixed portion and a squeezing portion, with the contacting portion being provided between the fixed portion and the squeezing portion; the fixed portion being fixedly provided on the inner surface of the hollow accommodating space; the contacting portion being spaced apart from the flexible printed circuit board at a certain distance when the key body is in a loosened state, and being in contact with the flexible printed circuit board when the key body is in a pressed state; the squeezing portion supporting the key body when the key body is in a loosened state, and moving towards the flexible printed circuit board under the squeeze of the squeezing portion when the key body is in a pressed state, and directing the contacting portion to be in contact with the flexible printed circuit board.
- According to a ninth aspect of the present invention, there is provided an electronic apparatus as described in the eighth aspect, wherein the hollow accommodating space comprises an upper half having a first diameter and a lower half having a second diameter, with the first diameter being smaller than the second diameter; the flexible printed circuit board is fixedly provided on the inner surface of the lower half; and the fixed portion is fixedly provided on the inner surface of the upper half, with the contacting portion and the squeezing portion being accommodated within the lower half.
- According to a tenth aspect of the present invention, there is provided an electronic apparatus as described in the ninth aspect, wherein the contacting portion is a projection provided towards the flexible printed circuit board.
- According to an eleventh aspect of the present invention, there is provided an electronic apparatus as described in the tenth aspect, wherein the hollow accommodating space, the key body, the lateral contacting structure and the flexible printed circuit board are provided coaxially.
- According to a twelfth aspect of the present invention, there is provided an electronic apparatus as described in the seventh aspect, wherein the key body is made of a transparent material.
- Since the key body in the key device of the present invention is in lateral contact with the flexible printed circuit board, the effect of the complete transparency of the key may be realized when the key body in the key structure is made of a transparent material.
- These and further aspects and features of the present invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the invention may be employed, but it is understood that the invention is not limited correspondingly in scope. Rather, the invention includes all changes, modifications and equivalents coming within the spirit and terms of the appended claims.
- Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments and/or in combination with or instead of the features of the other embodiments.
- It should be emphasized that the term "comprises/comprising" when used in this specification is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps, components or groups thereof.
- Many aspects of the invention can be better understood with reference to the following drawings. The components in the drawings are not necessarily to scale, emphasis instead being placed upon clearly illustrating the principles of the present invention. To facilitate illustrating and describing some parts of the invention, corresponding portions of the drawings may be exaggerated in size, e.g., made larger in relation to other parts than in an exemplary device actually made according to the invention. Elements and features depicted in one drawing or embodiment of the invention may be combined with elements and features depicted in one or more additional drawings or embodiments. Moreover, in the drawings, like reference numerals designate corresponding parts throughout the several views and may be used to designate like or similar parts in more than one embodiment.
- The drawings are included to provide further understanding of the present invention, which constitute a part of the specification and illustrate the preferred embodiments of the present invention, and are used for setting forth the principles of the present invention together with the description. The same element is represented with the same reference number throughout the drawings. In the drawings:
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Figure 1 illustrates the key structure of a typical electronic apparatus; -
Figure 2 illustrates a sectional view of the key structure according to an embodiment of the present invention; -
Figure 3 (a) illustrates a sectional view of an exploded view of the key structure according to the embodiment shown inFig. 2 ; -
Figure 3 (b) illustrates an exploded view of the key structure according to the embodiment shown inFig. 2 ; -
Figure 4 illustrates a schematic diagram showing the key structure according to the embodiment shown inFig. 2 in an operational state; and -
Figure 5 illustrates a schematic diagram showing an effect of transparency of the key structure according to the embodiment shown inFig. 2 . - The interchangeable terms "electronic apparatus" and "electronic device" include portable radio communication apparatus. The term "portable radio communication apparatus", which hereinafter is referred to as a "mobile terminal", "portable electronic device", or "portable communication device", comprises all apparatuses such as mobile telephones, pagers, communicators, electronic organizers, personal digital assistants (PDAs), smartphones, portable communication devices or the like.
- In the present application, embodiments of the invention are described primarily in the context of a portable electronic device in the form of a mobile telephone (also referred to as "mobile phone"). However, it shall be appreciated that the invention is not limited to the context of a mobile telephone and may relate to any type of appropriate electronic apparatus having the function of photographing and sound recording.
- The preferred embodiments of the present invention are described as follows in reference to the drawings.
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Figure 2 illustrates a sectional view of the key device according to an embodiment of the present invention. As shown inFig. 2 , the key device comprises ahousing 21 and a key structure. Here, for the sake of convenience, a key structure is taken as an example in description, although actually theelectronic apparatus 25 may comprise a key matrix consisting of a plurality of such key structures. - As shown in
Fig. 2 , thehousing 21 is provided with a hollow accommodating space, and the key structure comprises akey body 22, alateral contacting structure 23 and a flexible printedcircuit board 24. - At least part of the
key body 22 is accommodated in the hollow accommodating space of thehousing 21. - The
lateral contacting structure 23 is positioned within the hollow accommodating space of thehousing 21 and comprises a contactingportion 232, the contactingportion 232 being provided at the outer side of thekey body 22. When thekey body 22 is pressed, thelateral contacting structure 23 is squeezed by thekey body 22, so that the contactingportion 232 is in contact with the flexible printedcircuit board 24, The flexible printedcircuit board 24 is positioned within the hollow accommodating space of thehousing 21 and provided at the outer side of the contactingportion 232 for sensing the lateral contact of the contactingportion 232. - With the above key structure, the key device provided in this embodiment may feed the key information of the key body back to the electronic apparatus provided with the key device, for example, provide the key information to the host controller of the
electronic apparatus 25, so that the host controller of the electronic apparatus performs corresponding processing according to such key information. The manner in which thekey body 22 and the flexible printedcircuit board 24 make contact with each other in the key structure is lateral contact, instead of conventional bottom contact. When the top of thekey body 22 is pressed, the contactingportion 232 at the lateral side of the key body is in contact with the flexible printedcircuit board 24. Thus, the flexible printed circuit board may sense the contacting action, thereby providing the key information of the key body. - A a plurality of such key structures are provided in a plurality of hollow accommodating spaces of the
housing 21 of the key device, forming a key matrix of theelectronic apparatus 25. When thekey body 22 is made of a transparent material, since the flexible printedcircuit board 24 is provided at the outer side of thekey body 22, the flexible printed circuit board does not block the light entering from the bottom of the key, thereby realizing the complete transparency of the key of the electronic apparatus. - The key structure shown in
Fig. 2 will be further described as follows with reference to exploded views. -
Fig. 3 (a) illustrates an exploded view of the key device according to the embodiment shown inFig. 2 , andFig. 3(b) illustrates a sectional view of an exploded view of the key device according to the embodiment shown inFig. 2 . In the embodiments shownFigs. 3 (a) and3 (b) , the key device comprising one key structure is taken as an example. In practice, the electronic apparatus 25 (Fig. 2 ) may be provided with a plurality of key structures of the present invention, and these embodiments are not limited thereto. - As shown in
Fig. 3 (a) , the key device of this embodiment comprises ahousing 31 and a key structure. Thehousing 31 is provided with a hollowaccommodating space 311. The key structure comprises akey body 32, alateral contacting structure 33 and a flexible printedcircuit board 34. - The the lateral contacting structure comprises a fixed
portion 331, a contactingportion 332 and a squeezingportion 333, with the contactingportion 332 being provided between the fixedportion 331 and the squeezingportion 333. - The fixed
portion 331 is fixedly provided on the inner surface of the hollowaccommodating space 311. - The contacting
portion 332 is spaced apart from the flexible printedcircuit board 34 at a certain distance when thekey body 32 is in a loosened state, e.g., is unpressed, and is in contact with the flexible printedcircuit board 34 when thekey body 32 is in a pressed state. - The squeezing
portion 333 supports thekey body 32 when thekey body 32 is in a loosened state. The squeezingportion 333 is moved towards the flexible printedcircuit board 34 under the squeezing force applied by thekey body 32 when thekey body 32 is in a pressed state and directs the contactingportion 332 to be in contact with the flexible printedcircuit board 34. - The
lateral contacting structure 33 may be an elastic wall, with a projection of which facing thekey body 32 being the squeezing portion as described above, and a projection of which facing the flexible printedcircuit board 34 being the contactingportion 232 as described above. - In the example shown in
Fig. 3 (a) , thelateral contacting structure 33 and the flexible printedcircuit board 34 may be provided in the manner shown inFig. 3 (b) ; however, this embodiment is not limited thereto. - As shown in
Fig. 3 (b) , the hollowaccommodating space 311 of thehousing 31 of the key device comprises anupper half 3111 having a first diameter and alower half 3112 having a second diameter, with the first diameter being smaller than the second diameter. The flexible printedcircuit board 34 is fixedly provided on the inner surface of thelower half 3112. The fixedportion 331 of thelateral contacting portion 33 is fixedly provided on the inner surface of theupper half 3111. The contactingportion 332 and the squeezingportion 333 of thelateral contacting portion 33 are accommodated within thelower half 3112. - The manner in which the flexible printed
circuit board 34 is fixedly provided on the inner surface of thelower half 3112 and the fixedportion 331 of thelateral contacting structure 33 is fixedly provided on the inner surface of theupper half 3111 may be sticking by using a glue layer, or may be by other existing methods, and this embodiment is not limited thereto. - It can be seen from the exploded views of
Figs. 3 (a) and3 (b) that there is no flexible printedcircuit board 34 provided at the bottom of thekey body 32, and the flexible printedcircuit board 34 provides the key information of thekey body 32 through the lateral contact of the contactingportion 332 of thelateral contacting structure 33. When thekey body 32 is made of a transparent material, the flexible printedcircuit board 34 will not block incidence of light from the bottom of thekey body 32, thereby realizing the complete transparency of the key. - The key device shown in
Fig. 2 will be further described as follows with reference to a schematic diagram showing the operational state of the key structure. -
Fig. 4 illustrates a schematic diagram showing the key structure according to the embodiment shown inFig. 2 in an operational state. - As shown in
Fig. 4 , the key device of this embodiment comprises ahousing 41 and a key structure. The key structure comprises akey body 42, alateral contacting structure 43 and a flexible printedcircuit board 44. Thelateral contacting structure 43 comprises a fixedportion 431, a contactingportion 432 and a squeezingportion 433. The structures of and positional relations between the components of the key device are the same as described in above embodiments, which shall not be described any further. - When the
key body 42 is in a loosened state, as shown inFig. 4 , the contactingportion 432 of thelateral contacting structure 43 is spaced apart from the flexible printedcircuit board 44 at a distance h. And when thekey body 42 is in a pressed state, i.e. when the top of thekey body 42 is pressed by a user, thekey body 42 generates a force on the squeezingportion 433 of thelateral contacting structure 43, and the squeezingportion 433 moves towards the flexible printedcircuit board 44 under the squeeze of thekey body 42, thereby bringing or directing the contactingportion 432 to be in contact with the flexible printedcircuit board 44. Thus, the flexible printedcircuit board 44 may sense the state of thekey body 42 under squeeze, thereby providing the key information of thekey body 42. When thekey body 42 is released by the user, the squeezingportion 433 is also released, the contactingportion 432 is out of contact with the flexible printedcircuit board 44, and the flexible printedcircuit board 44 may sense that the key 41 is released. At this time, thekey body 42 is in a loosened state, and the distance h again exists between the contactingstructure 43 and the flexible printedcircuit board 44. - It can be seen from the schematic diagram of
Fig. 4 showing an operational state that when the key body is in lateral contact with the flexible printed circuit board, the state of the key may also be determined. And since there is no flexible printed circuit board provided at the bottom of the key body, the effect of the complete transparency of the key may be realized when the key body is made of a transparent material. - The key structure shown in
Fig. 2 will be further described as follows with reference to a schematic diagram showing the effect of transparency. -
Fig. 5 illustrates a schematic diagram showing an effect of transparency of the key structure according to the embodiment shown inFig. 2 . - As shown in
Fig. 5 , according to the key structure shown inFig. 2 , since there is no flexible printed circuit board provided at the bottom of the key body, the light may pass through the bottom of the key body and providing for viewing of the light from the top of the key, the key being completely transparent, thereby realizing the complete transparency of the key. - In the above embodiment, the key body 52 (also designated 22, 32 and 42 in other drawing figures) is shown as a circular cross-sectional cylinder shape as an example; however, the present invention is not limited thereto. In practice, the
key body 52 \may be of any shape as actually required. For example, thekey body 52 may be a cylinder if elliptical, polygonal, trapezoidal or other cross-sectional shape, etc. - In the above embodiment, the contacting portion of the lateral contacting structure is a projection provided towards the flexible printed circuit board, and the projection may be one, or two that are arranged symmetrically, and may be arranged around the periphery of the key body; however, this embodiment is not limited thereto.
- In the above embodiment, the hollow accommodating space of the housing of the key device, the key body of the key structure, the lateral contacting structure and the flexible printed circuit board may be provided coaxially; however, this embodiment is not limited thereto. For example, the flexible printed circuit board may be provided at a position corresponding to the contacting portion of the lateral contacting structure.
- An embodiment of the key device of the present invention is described above with reference to
Figs. 2 ,3(a), 3(b) ,4 and5 . However, this embodiment is not limited to the above mode of implementation. In practice, other key structures may also be used, as long as the key body in the key structure is in lateral contact with the flexible printed circuit board, which are covered by the protection scope of the present invention. - According to another embodiment of the present invention, there is provided an electronic apparatus. The electronic apparatus comprises a key device, the key device comprising a housing and a key structure. A hollow accommodating space is provided in the housing.
- In this embodiment, the key structure comprises a key body, a lateral contacting structure and a flexible printed circuit board, wherein
at least part of the key body is accommodated in the hollow accommodating space;
the lateral contacting structure is positioned within the hollow accommodating space of the housing and comprises a contacting portion, the contacting portion being provided at the outer side of the key body, and when being pressed, the lateral contacting structure being squeezed by the key body, so that the contacting portion is in contact with the flexible printed circuit board; and
the flexible printed circuit board is positioned within the hollow accommodating space of the housing and provided at the outer side of the contacting portion for sensing the lateral contact of the contacting portion. - In one embodiment, the lateral contacting portion further comprises a fixed portion and a squeezing portion, with the contacting portion being provided between the fixed portion and the squeezing portion; the fixed portion is fixedly provided on the inner surface of the hollow accommodating space; the contacting portion is spaced apart from the flexible printed circuit board at a certain distance when the key body is in a loosened state, and is in contact with the flexible printed circuit board when the key body is in a pressed state; the squeezing portion supports the key body when the key body is in a loosened state, and moves towards the flexible printed circuit board under the squeeze of the squeezing portion when the key body is in a pressed state, and directs the contacting portion to be in contact with the flexible printed circuit board.
- In another embodiment, the hollow accommodating space comprises an upper half having a first diameter and a lower half having a second diameter, with the first diameter being smaller than the second diameter; the flexible printed circuit board is fixedly provided on the inner surface of the lower half; and the fixed portion is fixedly provided on the inner surface of the upper half, with the contacting portion and the squeezing portion being accommodated within the lower half.
- In the above embodiment, the contacting portion may be a projection provided towards the flexible printed circuit board.
- In the above embodiment, the squeezing portion may be a projection provided towards the key body.
- In the above embodiment, the hollow accommodating space, the key body, the lateral contacting structure and the flexible printed circuit board may be provided coaxially.
- In the above embodiment, the key body may be made of a transparent material.
- In this embodiment, the key device of the electronic apparatus may be implemented by using the key device shown in
Fig. 2 . The contents of the key device shown inFigs. 2-5 are incorporated herein, which shall not be described any further. - Being provided with the key device of the present invention, the electronic apparatus of the present invention may realize the effect of complete transparency of the key.
- The preferred embodiments of the present invention are described above with reference to the drawings. The many features and advantages of the embodiments are apparent from the detailed specification and, thus, it is intended by the appended claims to cover all such features and advantages of the embodiments that fall within the true spirit and scope thereof. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the inventive embodiments to the exact construction and operation illustrated and described, and accordingly all suitable modifications and equivalents may be resorted to, falling within the scope thereof.
Claims (12)
- A key device, comprising a housing (21; 31; 41) and a key structure, a hollow accommodating space (311) being provided in the housing (21; 31; 41), and the key structure comprising:a key body (22; 32; 42; 52), at least part of the key body (22; 32; 42; 52) being accommodated in the hollow accommodating space (311);a lateral contacting structure (23; 33; 43) positioned within the hollow accommodating space (311) and comprising a contacting portion (232; 332; 432), the contacting portion (232; 332; 432) being provided at the outer side of the key body (22; 32; 42), and when being pressed, the lateral contacting structure (23; 33; 43) being squeezed by the key body (22; 32; 42), so that the contacting portion (232; 332; 432) is in contact with a flexible printed circuit board (24; 34; 44); andthe flexible printed circuit board (24; 34; 44) positioned within the hollow accommodating space (311) and provided at the outer side of the contacting portion (232; 332; 432) for sensing the lateral contact of the contacting portion (232; 332; 432).
- The key device according to claim 1, wherein the lateral contacting structure (23; 33; 43) further comprises a fixed portion (331; 431) and a squeezing portion (333; 433), with the contacting portion (232; 332; 432) being provided between the fixed portion (331; 431) and the squeezing portion (333; 433); the fixed portion (331; 431) being fixedly provided on the inner surface of the hollow accommodating space (311); the contacting portion (232; 332; 432) being spaced apart from the flexible printed circuit board (24; 34; 44) at a certain distance when the key body (22; 32; 42; 52) is in a loosened state, and being in contact with the flexible printed circuit board (24; 34; 44) when the key body (22; 32; 42; 52) is in a pressed state; the squeezing portion (333; 433) supporting the key body (22; 32; 42; 52) when the key body (22; 32; 42; 52) is in a loosened state, and moving towards the flexible printed circuit board (24; 34; 44) under the squeeze of the squeezing portion (333; 433) when the key body (22; 32; 42; 52) is in a pressed state, and directing the contacting portion (232; 332; 432) to be in contact with the flexible printed circuit board (24; 34; 44).
- The key device according to either one of claims 1 or 2, wherein the hollow accommodating space (311) comprises an upper half (3111) having a first diameter and a lower half (3112) having a second diameter, with the first diameter being smaller than the second diameter; the flexible printed circuit board (24; 34; 44) is fixedly provided on the inner surface of the lower half (3112); and the fixed portion (331; 431) is fixedly provided on the inner surface of the upper half (3111), with the contacting portion (232; 332; 432) and the squeezing portion (333; 433) being accommodated within the lower half (3112).
- The key device according to any one of claims 1-3, wherein the contacting portion (232; 332; 432) is a projection provided towards the flexible printed circuit board (24; 34; 44).
- The key device according to any one of claims 1-4, wherein the hollow accommodating space, the key body (22; 32; 42; 52), the lateral contacting structure (23; 33; 43) and the flexible printed circuit board (24; 34; 44) are provided coaxially.
- The key device according to any one of claims 1-5, wherein the key body (22; 32; 42; 52) is made of a transparent material.
- An electronic apparatus (25), comprising a key device, the key device comprising a housing (21; 31; 41) and a key structure, a hollow accommodating space (311) being provided in the housing (21; 31; 41), and the key structure comprising:a key body (22; 32; 42; 52), at least part of the key body (22; 32; 42; 52) being accommodated in the hollow accommodating space (311);a lateral contacting structure (23; 33; 43) positioned within the hollow accommodating space (311) and comprising a contacting portion (232; 332; 432), the contacting portion (232; 332; 432) being provided at the outer side of the key body (22; 32; 42; 52), and when being pressed, the lateral contacting structure (23; 33; 43) being squeezed by the key body (22; 32; 42; 52), so that the contacting portion (232; 332; 432) is in contact with a flexible printed circuit board (24; 34; 44); andthe flexible printed circuit board (24; 34; 44) positioned within the hollow accommodating space (311) and provided at the outer side of the contacting portion (232; 332; 432) for sensing the lateral contact of the contacting portion (232; 332; 432).
- The electronic apparatus according to claim 7, wherein the lateral contacting structure (23; 33; 43) further comprises a fixed portion (331; 431) and a squeezing portion (333; 433), with the contacting portion (232; 332; 432) being provided between the fixed portion (331; 431) and the squeezing portion (333; 433); the fixed portion (331; 431) being fixedly provided on the inner surface of the hollow accommodating space (311); the contacting portion (232; 332; 432) being spaced apart from the flexible printed circuit board (24; 34; 44) at a certain distance when the key body (22; 32; 42; 52) is in a loosened state, and being in contact with the flexible printed circuit board (24; 34; 44) when the key body (22; 32; 42; 52) is in a pressed state; the squeezing portion (333; 433) supporting the key body (22; 32; 42; 52) when the key body (22; 32; 42; 52) is in a loosened state, and moving towards the flexible printed circuit board (24; 34) under the squeeze of the squeezing portion (333; 433) when the key body (22; 32; 42; 52) is in a pressed state, and directing the contacting portion (232; 332; 432) to be in contact with the flexible printed circuit board (24; 34; 44).
- The electronic apparatus according to either one of claims 7 or 8, wherein the hollow accommodating space (311) comprises an upper half (3111) having a first diameter and a lower half (3112) having a second diameter, with the first diameter being smaller than the second diameter; the flexible printed circuit board (24; 34) is fixedly provided on the inner surface of the lower half (3112); and the fixed portion (331; 431) is fixedly provided on the inner surface of the upper half (3111), with the contacting portion (232; 332) and the squeezing portion (333; 433) being accommodated within the lower half (3112).
- The electronic apparatus according to any one of claims 7-9, wherein the contacting portion (232; 332; 432) is a projection provided towards the flexible printed circuit board (24; 34; 44).
- The electronic apparatus according to any one of claims 7-10, wherein the hollow accommodating space, the key body, the lateral contacting structure (23; 33; 43) and the flexible printed circuit board (24; 34; 44) are provided coaxially.
- The electronic apparatus according to any one of claims 7-11, wherein the key body (22; 32; 42; 52) is made of a transparent material.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110095261.2A CN102737887B (en) | 2011-04-15 | 2011-04-15 | Key device and electronic equipment including key device |
US13/430,838 US8766123B2 (en) | 2011-04-15 | 2012-03-27 | Key device and electronic apparatus containing the key device |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2511926A1 true EP2511926A1 (en) | 2012-10-17 |
Family
ID=46044146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12002313A Withdrawn EP2511926A1 (en) | 2011-04-15 | 2012-03-30 | Key device and electronic apparatus containing the key device |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP2511926A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014040046A1 (en) * | 2012-09-10 | 2014-03-13 | Apple Inc. | Cylindrical activation of menu buttons |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3603680A1 (en) * | 1986-02-06 | 1987-08-13 | Olympia Ag | Electrical switching element having a printed circuit board |
US4920245A (en) * | 1987-10-22 | 1990-04-24 | Alps Electric Co., Ltd. | A push-button switch with uniform on and off timings |
DE29716198U1 (en) * | 1997-09-09 | 1997-10-30 | Giersiepen Gira Gmbh | Electrical installation device, in particular buttons, sellers or switches |
-
2012
- 2012-03-30 EP EP12002313A patent/EP2511926A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3603680A1 (en) * | 1986-02-06 | 1987-08-13 | Olympia Ag | Electrical switching element having a printed circuit board |
US4920245A (en) * | 1987-10-22 | 1990-04-24 | Alps Electric Co., Ltd. | A push-button switch with uniform on and off timings |
DE29716198U1 (en) * | 1997-09-09 | 1997-10-30 | Giersiepen Gira Gmbh | Electrical installation device, in particular buttons, sellers or switches |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014040046A1 (en) * | 2012-09-10 | 2014-03-13 | Apple Inc. | Cylindrical activation of menu buttons |
US9105420B2 (en) | 2012-09-10 | 2015-08-11 | Apple Inc. | Cylindrical activation of menu buttons |
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