WO2008004375A1 - Dispositif électronique portable - Google Patents
Dispositif électronique portable Download PDFInfo
- Publication number
- WO2008004375A1 WO2008004375A1 PCT/JP2007/059265 JP2007059265W WO2008004375A1 WO 2008004375 A1 WO2008004375 A1 WO 2008004375A1 JP 2007059265 W JP2007059265 W JP 2007059265W WO 2008004375 A1 WO2008004375 A1 WO 2008004375A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- key
- opening
- casing
- portable electronic
- electronic device
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/004—Larger or different actuating area
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
Definitions
- the present invention relates to a portable electronic device having operation keys.
- a cellular phone device which is an example of a portable electronic device, is required to have a certain characteristic.
- FIG. 7 shows a conventional example for ensuring the key press durability
- (a) is a cross-sectional explanatory view of corresponding example 1
- (b) is a cross-sectional explanatory view of corresponding example 2.
- the micro switch la controlled by the operation button 1 is attached to one side of the printed circuit board 2, and the printed circuit board 2
- the circuit elements housed in the BGA packages 2a and 2b are soldered to the other surface side, and the BGA packages 2a and 2b are held by the projecting portions 3a and 3b protruding from the case 3.
- the BGA packages 2a and 2b are pressed by the protrusions 3a and 3b so that the solder is not peeled off by the key pressing operation (see (a)).
- the laminate film battery 5 is adhered and fixed to the rear side of the first substrate 4a on which the operation key (operation button) 1 is arranged on the front side.
- a second substrate 4b is bonded and fixed to the rear side of the laminating one-film battery 5. Then, the rear side force of the second substrate 4b is caused by the rib 6 provided facing the operation key 1 on the inner wall of the rear case. Supported. That is, the invention according to Corresponding Example 2 attempts to ensure rigidity by bonding the laminated film battery 5 to the substrates 4a and 4b (see (b)).
- FIG. 8 shows an example of the structure in which the casing is arranged on the back side of the key in this way
- (a) is a conceptual diagram in section
- (b) is a schematic diagram of a laminated structure.
- the structure in which the housing is arranged on the back side of the key is the detection of a plurality of keys arranged on the light emitting part 7a such as EL (Electro-Luminescence) arranged on the front side of the housing 7.
- EL Electro-Luminescence
- It has a keypad 9 having a plurality of operation keys arranged so as to cover the device 8, and has a substrate 7c arranged on the back side of the housing 7 (see (a)). That is, the casing 7, the key detection device 8, and the keypad (key) 9 are stacked on the substrate 7c in the order of description (see (b)).
- the light emitting unit 7a is disposed on the back side of the housing 7, the housing cannot be used to irradiate the key pad due to an obstacle. For this reason, the light emitting unit 7a is inevitably arranged on the front side of the casing 7, and is connected to the substrate 7c arranged on the back side of the casing 7 via the connection line 7d ((a) reference).
- Patent Document 1 Japanese Patent Laid-Open No. 2003-86971
- Patent Document 2 Japanese Patent Application Laid-Open No. 2004-54661
- the keypad 9, the key detection device 8, and the casing 7 are stacked. That is, the key detection device 8 is configured to be held between the keypad 9 and the housing 7. Therefore, in the structure in which the casing 7 is arranged on the back side of the conventional key, the entire load caused by the concave pressure operation on the keypad 9 is transmitted to the key detection device 8, so that the keypad 9 is damaged. There is a problem that it is difficult to ensure a predetermined key press durability.
- a portable electronic device includes a housing in which an opening is formed and an operation disposed at a position facing the opening on the outer surface of the housing.
- a key and a key detection device disposed at a position facing the opening inside the housing, wherein the operation key is formed larger than the opening of the housing. It is a feature.
- the operation key has a protrusion that protrudes toward the opening
- the key detection device includes a second protrusion that protrudes toward the opening. It is preferable that at least one force of the part and the second projecting part enter at least a part of the opening.
- the peripheral wall of the opening of the housing may be chamfered so as to be inclined from the outer surface of the housing toward the inside of the housing to become an inclined surface. preferable.
- the operation key includes a key top exposed on the outer surface of the casing, and a key rubber portion formed of an elastic member disposed on the inner side of the casing of the key top. And a key frame mounted between the key top and the key rubber part.
- a gap is formed between the key top and the key frame! /.
- the key frame opposes the casing through the key rubber portion.
- a substrate is laminated on the inner side of the casing of the key detection device, and the opening portion is formed on a surface of the substrate facing the opening portion of the casing. It is preferable that a light emitting element for irradiating the operation key with light is disposed.
- the casing is made of a metal material.
- a recess is formed on the outer surface of the housing, the opening is formed in a bottom surface of the recess, and the key top is disposed in the recess.
- FIG. 1 shows a key-side casing portion of a mobile phone device according to an embodiment of the present invention, wherein (a) is an external perspective view of a keypad mounted state, and (b) is a keypad unmounted state.
- FIG. 1 shows a key-side casing portion of a mobile phone device according to an embodiment of the present invention, wherein (a) is an external perspective view of a keypad mounted state, and (b) is a keypad unmounted state.
- FIG. 2 is a sectional view taken along line AA in FIG. 1 (a).
- FIG. 3 is an enlarged view showing the periphery of the key detection device in FIG. 2 in a non-pressed state.
- FIG. 4 is an enlarged view showing the periphery of the key detection device in FIG. 2 in a key press state.
- FIG. 5 is an enlarged view similar to FIG. 3, but without a C-surface cut portion on the peripheral wall of the opening of the key front case.
- FIG. 6 is a schematic diagram of a laminated structure of a key-side casing of a mobile phone device according to an embodiment of the present invention.
- FIG. 7 shows a conventional correspondence example for ensuring key press durability, (a) is a cross-sectional explanatory view of correspondence example 1, and (b) is a cross-sectional explanatory view of correspondence example 2.
- FIG. 8 An example of a structure in which a casing is located on the back side of a key is shown, (a) is a conceptual diagram in section, and (b) is a schematic diagram of a laminated structure.
- FIG. 1 shows a key-side casing portion of a mobile phone device according to an embodiment of the present invention, where (a) is an external perspective view with a keypad attached, and (b) is an external perspective view with no keypad attached.
- a mobile phone device 10 that is a portable electronic device includes a key-side casing (chassis) 11 and a display-side casing 12, and the key-side casing 11 and the display-side casing
- the body 12 can be freely opened and closed by connecting one end portions of the body 12 via a hinge portion.
- a display such as a liquid crystal display (LCD) is mounted on the display-side casing 12.
- LCD liquid crystal display
- the key-side casing 11 is configured by overlapping a key front case 13 and a key rear case 14, and the key front case 13 includes a recess 25 formed on the outer surface of the key front case 13.
- a keypad 15 is mounted on the keyboard.
- the keypad 15 is a rectangular plate-like component in which a plurality of operation keys 16 are arranged, and forms the outer surface side appearance of the key-side casing 11 (see (a)). Each operation key 16 is configured to be able to be depressed individually.
- the key front case 13 has a plurality of openings 13a penetrating the front and back surfaces at the bottom surface of the recess 25 on the outer surface of the case.
- Device 17 is arranged.
- the key detection device 17 detects the operation state of the operation key 16.
- the key dome 17a (second projecting portion) and a film 17b that supports the metal dome 17a are provided.
- the metal dome sheet has the same planar shape as the keypad 15. Note that the metal dome 17a is formed so as to protrude in a dome shape on the key front case 13 side, and is disposed in a plurality of cases corresponding to each operation key 16.
- a light emitting element (LED) 18 is disposed in a space adjacent to each metal dome 17a of the key detection device 17 (see (b)).
- Each light emitting element 18 is arranged to be directly connected to a substrate 20 described later, and a hole formed in the film 17b is also exposed on the surface of the key detecting device 17.
- the opening 13a of the key front case 13 is formed so that one or a plurality of metal domes 17a and the light emitting element 18 face each other in the opening 13a (see (b)).
- FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1 (a).
- a battery 19 and a substrate 20 are stored between a key front case 13 and a key rear case 14 constituting the key-side casing 11.
- a key detection device 17 is disposed on the upper surface of the substrate 20, that is, the surface on the key front case 13 side.
- a shield 19a is attached to the upper surface of the battery 19, that is, the surface on the substrate 20 side. That is, the key-side casing 11 has a laminated structure in which the key rear case 14, the battery 19, the substrate 20, the key detection device 17, the key front case 13, and the keypad 15 are placed in the order of description. .
- FIG. 3 is an enlarged view showing the periphery of the key detection device of FIG. 2 in a key non-pressed state.
- FIG. 4 is an enlarged view showing the periphery of the key detection device of FIG. 2 in a key press state.
- a key detection device 17 is placed on the upper surface (front surface) of the substrate 20, and a metal dome 17a is opposed to the opening 13a on the key detection device 17. It is arranged.
- the key detection device 17 is arranged such that the lower surface (back surface) is in close contact with the substrate 20.
- the key front case 13 is arranged such that the lower surface (back surface) is adhered to the film 17b of the key detection device 17.
- the key front case 13 is laminated on the substrate 20 via the thin film 17b of the key detection device 17.
- the metal dome 17a of the key detection device 17 is The case 13 is disposed so as to face each opening 13a, and is arranged in a state of entering each opening 13a in the thickness direction of the key-side casing 11. For this reason, the laminated thickness of the key detection device 17 and the key front case 13 on the substrate 20 is the thickness of the key front case 13 plus the thickness of the thin film 17b. Become thick.
- Each operation key 16 of the keypad 15 is disposed above each metal dome 17a of the key detection device 17 placed on the substrate 20. That is, the operation key 16 is disposed on the outer surface of the key-side casing 11 and at a position facing the opening 13a. Note that the operation key 16 has an external shape (inner surface area on the side facing the opening 13a) larger than the opening 13a (opening area).
- the operation key 16 includes a key top 21 that forms the front surface (upper surface) of the keypad 15, a key rubber portion 22 provided on the back surface (lower surface) of the key top 21, and a key frame 23 that is attached to the key rubber portion 22. ing.
- the key rubber portion 22 is also an elastic member such as rubber, and is integrally formed over the entire area of the keypad 15 by a connecting portion 22a that connects the key rubber portions 22 of the adjacent key tops 21.
- a pusher (protruding portion) 24 that protrudes toward the key detection device 17 side (inside the casing) is formed at the center of the lower surface (back surface) of the key rubber portion 22.
- the connecting portion 22a of the key rubber portion 22 is spaced below the key top 21 at the boundary between adjacent key tops 21 and has a space a between the back surface of the key top 21 and the key frame 23. (See Fig. 3).
- a key frame 23 is placed on the upper surface of the connecting portion 22a.
- the key frame 23 is provided with vertical and horizontal openings through which the key rubber part 22 penetrates at portions other than the connecting portion 22a.
- the pusher 24 is formed in a cylindrical shape having a reduced diameter on the tip side (inside of the housing) and is configured to be able to pass through the opening 13a of the key front case 13. Further, the tip end 12 is disposed in contact with the upper end of the metal dome 17a. For this reason, when the key top 21 is pushed down, the metal dome 17a is pressed against the pusher 24 to be buckled (see FIG. 4). In this state, the key detection device 17 operates the operation key 16. Detect state.
- a light emitting element 18 that irradiates light is disposed on a case surface that is adjacent to each opening 13a of the key front case 13. Therefore, mobile phone
- the speaking device 10 does not need to place a sheet-type light emitter (such as an EL sheet) on the housing as in the conventional case, and it is not necessary to install a module having both the key detection device and the light emitter functions. For this reason, the number of parts is reduced, and the thickness of the key detection device 17 is also reduced as compared with the prior art.
- the light emitting element 18 can directly irradiate the keypad 15 from the lower surface side of the key front case 13 through the opening 13a. Become. For this reason, the cellular phone device 10 does not require a connection means for connecting the light emitter and the substrate 20 as in the conventional case, and it is possible to reduce the number of parts and the number of manufacturing steps, thereby reducing the cost.
- the space a between the back surface of the key top 21 and the upper surface of the key frame 23 on which the connecting portion 22a is placed ensures the key pressing durability. Is done. In other words, even when a large load is applied to the key top 21 when the key top 21 is pressed, the back surface of the key top 21 is placed on the key front case 13 via the connecting portion 22a.
- the key frame 23 and the key front case 13 receive the push-down force against the key top 21 after moving downward by the amount of clearance. (See Fig. 4) Therefore, all of the pressing force on the key top 21 is not directly applied to the key detection device 17 and the substrate 20. Therefore, the damage to the substrate 20 is reduced as much as possible, and the key press durability is suitably secured.
- the outer surface (case surface) force of the key front case 13 is also applied to the inner surface of the key-side casing 11 so that a click feeling is easily obtained on the peripheral wall of the opening of the key front case 13 forming the opening 13a.
- a C-surface cut portion 13b is formed by chamfering so as to become a tilted surface that is directed downward in the direction.
- the C surface cut portion 13b is connected to the connecting portion 22a so that the lower surface of the connecting portion 22a of the key rubber portion 22 arranged in close contact with the case surface around the opening portion 13a does not adhere to the case surface over the entire lower surface.
- a gap is formed between the case surface.
- FIG. 5 is an enlarged view similar to FIG. 3, in which the C-surface cut portion is not formed on the peripheral wall of the opening of the key front case.
- the peripheral wall of the opening of the key front case 13 is not chamfered, that is, when the C-surface cut portion 13b is not formed, the case surface and the key rubber portion 22 around the opening 13a. No gap is formed between the lower surface of the connecting portion 22a and the lower surface of the connecting portion 22a is in close contact with the case surface over the entire surface.
- the cellular phone device 10 is provided with a C-surface cut portion 13b on the peripheral wall of the opening of the key front case 13 so that a good click feeling can be easily obtained, thereby securing a space for the connecting portion 22a to be held. is doing.
- FIG. 6 is a schematic diagram of a laminated structure of the key-side casing of the mobile phone device according to one embodiment of the present invention.
- the key case 11 of the mobile phone device 10 is provided on the substrate 20 with a key detection device 17, a key front case 13, and a keypad (key) 15 force. They are stacked in order.
- the pusher 24 which is a protruding portion that protrudes in the stacking direction of the operation key 16 and the key detecting device 17, and the majority of the metal dome 17a that is the second protruding portion that protrudes in the same direction of the key detecting device 17. Therefore, the thickness of the inserted portion does not affect the thickness of the key-side casing 11, that is, the thickness of the mobile phone device as a whole! ,.
- the casing 7, the key detection device 8, and the keypad 9 are placed on the substrate 7c.
- the thickness of the board 7c, the casing 7, the key detection device 8, and the keypad 9 is simply added to the thickness of the key-side casing 11, that is, It becomes the thickness of the entire mobile phone device.
- the structure of the cellular phone device 10 of the present invention compared to the structure in which the casing is positioned on the back side of the conventional key, the structure is located inside the key front case 13, that is, enters the opening 13a.
- Key detector 17 metal dome 17a thickness & keypad 1 The thickness is reduced by the thickness of 5 pushers 24.
- the pusher 24 and the majority force of the metal dome 17a are configured to enter the opening 13a in the thickness direction of the housing, but the present invention is not limited to this. At least one force of the metal dome 17a is configured to enter at least part of the opening 13a.
- the key front case 13 and the key rear case 14 constituting the key-side casing 11 cover the entire casing so as to enclose various components such as the base plate 20, so that both cases 13 , 14 is made of a metal material (for example, Mg), it is effective for countermeasures against static electricity, and the metal casing itself has an effect of suppressing radio waves generated from the mobile phone device 10, so that specific absorption is achieved. It is also effective for specific absorption rate (SAR) measures.
- SAR specific absorption rate
- the cellular phone device 10 has a structure in which the thickness of the metal dome 17a and the thickness of the pusher 24 do not affect the stacking height from the substrate 20 to the keypad 15. Therefore, the thickness can be reduced, and as a result, the thickness of the entire mobile phone device set can be made thinner than the conventional structure.
- the light emitting part can be placed on the substrate 20, it is not necessary to provide the light detecting part in the key detection device 17, and the thickness of the entire mobile phone device set can be further reduced, and the cost can be reduced. Is possible.
- the key front case 13 is disposed under the operation key 16 (back side), even if the key top 21 of the operation key 16 is forcibly pressed, the key front case 13 supports the pressing load. As a result, a large force is not applied to the substrate 20, and the key detection device 17 suppresses the breakage of the substrate 20 and improves the key press durability.
- the present invention is not limited to the force described in the embodiment described above.
- the mobile phone device 10 is configured to detect the operation state of the operation key 16 by buckling the pusher 24 catalyst 17a.
- the key detector is a distance measuring device that measures the distance between the key detecting device and the key top using infrared rays, etc., and this distance measuring device moves the key top when the key top is depressed.
- the operation state of the operation key 16 may be detected by measuring the distance. In this way, key press durability can be further improved, and the presser 24 and metal dome 17a are required. Can be realized, and further thinning can be expected.
- this invention includes what is implemented as a change aspect, without deviating from the meaning.
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Push-Button Switches (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008523618A JP4790016B2 (ja) | 2006-07-03 | 2007-04-27 | 携帯電子機器 |
CN2007800318629A CN101512698B (zh) | 2006-07-03 | 2007-04-27 | 便携式电子设备 |
US12/306,403 US20090309766A1 (en) | 2006-07-03 | 2007-04-27 | Mobile Electronic Apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006183393 | 2006-07-03 | ||
JP2006-183393 | 2006-07-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008004375A1 true WO2008004375A1 (fr) | 2008-01-10 |
Family
ID=38894349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/059265 WO2008004375A1 (fr) | 2006-07-03 | 2007-04-27 | Dispositif électronique portable |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090309766A1 (ja) |
JP (1) | JP4790016B2 (ja) |
CN (1) | CN101512698B (ja) |
WO (1) | WO2008004375A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63152826A (ja) * | 1986-12-17 | 1988-06-25 | 富士通株式会社 | キ−スイッチ構造 |
WO2005117047A1 (ja) * | 2004-05-28 | 2005-12-08 | Sunarrow Ltd. | 筐体付キーユニット |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4772769A (en) * | 1987-02-06 | 1988-09-20 | Burr-Brown Corporation | Apparatus for selective backlighting of keys of a keyboard |
JP2004079232A (ja) * | 2002-08-12 | 2004-03-11 | Nec Corp | 押しボタンの照光構造と該押しボタンを備えた電子機器 |
JP4300210B2 (ja) * | 2004-11-18 | 2009-07-22 | 株式会社カシオ日立モバイルコミュニケーションズ | 携帯型無線機 |
JP2007141662A (ja) * | 2005-11-18 | 2007-06-07 | Polymatech Co Ltd | キーシート |
-
2007
- 2007-04-27 CN CN2007800318629A patent/CN101512698B/zh not_active Expired - Fee Related
- 2007-04-27 JP JP2008523618A patent/JP4790016B2/ja not_active Expired - Fee Related
- 2007-04-27 WO PCT/JP2007/059265 patent/WO2008004375A1/ja active Application Filing
- 2007-04-27 US US12/306,403 patent/US20090309766A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63152826A (ja) * | 1986-12-17 | 1988-06-25 | 富士通株式会社 | キ−スイッチ構造 |
WO2005117047A1 (ja) * | 2004-05-28 | 2005-12-08 | Sunarrow Ltd. | 筐体付キーユニット |
Also Published As
Publication number | Publication date |
---|---|
CN101512698A (zh) | 2009-08-19 |
JP4790016B2 (ja) | 2011-10-12 |
JPWO2008004375A1 (ja) | 2009-12-03 |
CN101512698B (zh) | 2011-08-31 |
US20090309766A1 (en) | 2009-12-17 |
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