CN1832077A - Metal striking flake thin board for prevent error operation button using for mobile information terminal - Google Patents
Metal striking flake thin board for prevent error operation button using for mobile information terminal Download PDFInfo
- Publication number
- CN1832077A CN1832077A CNA2006100587548A CN200610058754A CN1832077A CN 1832077 A CN1832077 A CN 1832077A CN A2006100587548 A CNA2006100587548 A CN A2006100587548A CN 200610058754 A CN200610058754 A CN 200610058754A CN 1832077 A CN1832077 A CN 1832077A
- Authority
- CN
- China
- Prior art keywords
- button
- mentioned
- metal clips
- zone
- thin plate
- 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.)
- Pending
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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
- H01H13/702—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
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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
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/48—Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
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- 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
- H01H2213/00—Venting
- H01H2213/002—Venting with external pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/03—Avoiding erroneous switching
Abstract
The present invention discloses one kind of elastic metal sheet serving as one protector for mobile communication terminal and capable of avoiding button depressing maloperation. The elastic metal sheet is provided with several film switches on its one side, several air holes penetrating its two sides and surface conducting paint between the button areas and the circuit board. The elastic metal sheet has surface blank areas without conducting paint so as to avoid the penetration of the conducting paint through the air holes and button depressing maloperation. Furthermore, when some film switch is depressed, the other contact terminals will not be touched and error depression is avoided.
Description
Technical field
The invention belongs to protector, especially a kind of when the user presses any button can not operating mistake take place and carry out the respective keys function can prevent the push-botton operation mistake be used for mobile communication terminal prevent error operation button using metal clips thin plate.
Background technology
Recently, along with popularizing fast of mobile communication terminals such as mobile phone, the exploitation that is used for the various parts of terminal also becomes very active.Wherein, can be according to user's button operation, electric means connects the demand surge that printed circuit board (PCB) (PCB, Printed Circuit Board) is gone up the thin film switch of the corresponding connection point terminal in formed a plurality of connection point terminals.
Corresponding to a plurality of buttons of communication terminal, thin film switch also can form a plurality of, and above-mentioned a plurality of thin film switch can be arranged on the button metal clips thin plate (Metal Dome Sheet).And above-mentioned button metal clips thin plate is installed between button and the circuit board when the assembling keypad.
Fig. 1 is the existing button metal clips thin plate schematic diagram that uses in the mobile communication terminal.At this, button metal clips thin plate shown in Figure 1 is the button metal clips thin plate that is used for the side press-key of mobile communication terminal in the multiple button metal clips thin plate.
As shown in Figure 1, the existing button metal clips thin plate 100 that is used for side press-key, form the plate connecting portion 110 link to each other with the plate that is installed in mobile communication terminal inside in the one side, and one side forms a plurality of air access holes 130 that outwards protrude and have flexible a plurality of thin film switches 120 necessarily and the thin film switch 120 pressed is set back.Also have, form electrically-conducting paint 140 on the surface of button metal clips thin plate 100.Because button metal clips thin plate 100, under the situation of not having other ground connection, be attached directly on the printed circuit board (PCB) (not shown), thereby can not be released and remain in its inside when producing static, above-mentioned electrically-conducting paint 140 plays the effect that prevents above-mentioned electrostatic damage internal part or cause operating mistake at this moment.
But, because above-mentioned electrically-conducting paint 140 is formed on the whole surface of button metal clips thin plate 100, therefore penetrate into the parts that are positioned at thin film switch 120 bottoms at electrically-conducting paint 140 through the internal edge of air access hole 130, for example during printed circuit board (PCB), therefore enlarge the area of contact print circuit board when pressing thin film switch 120, thereby when the user presses a button (not shown), the connection point terminal of corresponding printed circuit board (PCB) (not shown) not only, even answer thin film switch 120 corresponding connection point terminals also to come in contact with other in addition.
Thereby, when the user presses side press-key, be judged as other button, for example the some whiles in the digital keys are pressed, thereby the problem that exists generation internal error or mobile communication terminal to break down.
Summary of the invention
The purpose of this invention is to provide a kind of be used for mobile communication terminal prevent error operation button using metal clips thin plate.It prevents that the electrically-conducting paint that forms on the button metal clips thin plate from penetrating into following parts through the air access hole, thereby prevents to cause the faults such as operating mistake of button.With when pressing thin film switch, can the terminal of other contact not impacted, thereby prevent unnecessary mistake.
The object of the present invention is achieved like this: a kind of button metal clips thin plate that prevents the push-botton operation mistake, simultaneously protrude a plurality of thin film switches of formation at it, and run through a plurality of air access holes that one side and opposing face and forming make air discrepancy, and form electrically-conducting paint on its surface and when the assembling keypad on the button metal clips thin plate between button and the circuit board, it is characterized in that: electrically-conducting paint is vacated certain zone at button metal clips thin sheet surface and is formed.
According to foregoing invention, above-mentioned certain zone comprises the protuberance zone of the regional and above-mentioned a plurality of thin film switches that are adjacent to above-mentioned a plurality of air access holes.
At this, be advisable for the zone of the outward flange 0.8mm-1.2mm of the above-mentioned air access hole of distance in the zone that is adjacent to above-mentioned a plurality of air access holes.
Also having, is advisable for above-mentioned printed circuit board (PCB) and the contacted zone of above-mentioned thin film switch in the protuberance zone of above-mentioned thin film switch.
In addition, according to a kind of mobile communication terminal that prevents the button metal clips thin plate of push-botton operation mistake and possess above-mentioned button metal clips thin plate of the present invention, simultaneously protrude a plurality of films (MetalDome) switch of formation and run through one side and opposing face and forming makes a plurality of air access holes of air discrepancy at it, and form electrically-conducting paint on its surface and when the assembling keypad on the button metal clips thin plate between button and the circuit board (Metal Dome Sheet), it is characterized in that: electrically-conducting paint is vacated certain zone at button metal clips thin sheet surface and is formed.
According to foregoing invention, above-mentioned certain zone comprises the protuberance zone of the regional and above-mentioned a plurality of thin film switches that are adjacent to above-mentioned a plurality of air access holes.
At this, be advisable for the zone of the outward flange 0.8mm-1.2mm of the above-mentioned air access hole of distance in the zone that is adjacent to above-mentioned a plurality of air access holes.
Also having, is advisable for above-mentioned printed circuit board (PCB) and the contacted zone of above-mentioned thin film switch in the protuberance zone of above-mentioned thin film switch.
The described button metal clips thin plate of push-botton operation mistake that prevents is installed in the mobile communication terminal, protrude a plurality of thin film switches that form and run through one side and opposing face and form a plurality of air access holes that make air discrepancy in the one side of button metal clips thin plate, and form electrically-conducting paint on its surface and when the assembling keypad on the button metal clips thin plate between button and the circuit board, electrically-conducting paint is in the button metal clips thin sheet surface zone that leaves some space, therefore, when pressing thin film switch, can not impact, prevent mistake other connection point terminal.
The described zone that does not form electrically-conducting paint comprises the protuberance zone of the regional and above-mentioned a plurality of thin film switches that are adjacent to above-mentioned a plurality of air access holes.And the protuberance of thin film switch zone is above-mentioned printed circuit board (PCB) and the contacted zone of above-mentioned thin film switch.
Beneficial effect of the present invention is according to the mobile communication terminal that prevents the button metal clips thin plate of push-botton operation mistake and possess above-mentioned button metal clips thin plate of the present invention, prevents that the electrically-conducting paint that forms on button metal clips thin plate from penetrating into the parts below being positioned at through the air access hole and cause the effect of the faults such as operating mistake of button.According to the present invention, when pressing thin film switch, can not impact other connection point terminal, prevent wrong effect thereby have.
Description of drawings
Fig. 1 is the existing button metal clips thin plate schematic diagram that uses in the mobile communication terminal.
Fig. 2 is according to button metal clips thin plate schematic diagram of the present invention.
The symbol description of accompanying drawing major part
10: button metal clips thin plate 12: thin film switch 12a: protuberance zone
14: plate connecting portion 16: air access hole 18: electrically-conducting paint
Embodiment
The purpose of this invention is to provide a kind of be used for mobile communication terminal prevent error operation button using metal clips thin plate.Below, will be elaborated in conjunction with the accompanying drawings.But, the present invention be not limited to these accompanying drawings be for embodiment.
Fig. 2 is according to button metal clips thin plate schematic diagram of the present invention.Button metal clips thin plate shown in Figure 3 is the button metal clips thin plate that is used for the side press-key of mobile communication terminal, one of them thin film switch is as the last key in the button about the side of mobile communication terminal, and another thin film switch is as the switch of carrying out other function on the mobile communication terminal.
As shown in Figure 2,, be formed with a plurality of thin film switches 12, and at the length direction of button metal clips thin plate 10, form a plurality of air access holes 16 in that a side of thin film switch 12 and opposite side are terminal according to button metal clips thin plate 10 of the present invention.Also have,, form the plate connecting portion 14 that links to each other with the plate that is installed in mobile communication terminal inside in a side of button metal clips thin plate 10.
A plurality of thin film switches 12; button (not shown) effect with electric means; the for example effect of opening switch according to pressing of the button of mobile communication terminal (not shown) and the effect of protection connection point terminal (not shown); for example protect the connection point terminal of printed circuit board (PCB) (not shown) to avoid influence as external environment conditions such as dust and moisture; and have certain elasticity, thereby after pressing button, the user can return to original position.
Also have, be formed at a side of thin film switch 12 and a plurality of air access holes 16 of opposite side end, when the user presses thin film switch 12, prevent to keep the situation of the state that thin film switch 12 pressed because the air that is positioned at thin film switch 12 bottoms is compressed, therefore, when pressing thin film switch 12, keep unimpeded because be positioned at the air on thin film switch 12 bottoms and top by air access hole 16, thereby make thin film switch 12 return to original position.
Be formed with electrically-conducting paint 18 on above-mentioned button metal clips thin plate 10, but be different from existing technology, electrically-conducting paint 18 is vacated certain zone and is formed on button metal clips thin plate 10 surfaces.Particularly, on the 12a of the protuberance zone of the zone that is adjacent to a plurality of air access holes 16 and a plurality of thin film switches 12, do not form electrically-conducting paint 18.
At this moment, do not form the zone that is adjacent to air access hole 16 of electrically-conducting paint 18, should keep being advisable from distance more than the air access hole 16 minimum 0.8mm, because during the not enough 0.8mm of distance, the problem that electrically-conducting paint 18 infiltrates from air access hole 16 can take place between electrically-conducting paint 18 and the air access hole 16.Also have, keep about 1.2mm to be advisable with the ultimate range of air access hole 16, this is because if when distance is above ultimate range between electrically-conducting paint 18 and the air access hole 16, can not prevent that parts are because of operating mistakes that reason caused such as static.
As mentioned above, because electrically-conducting paint 18 keeps certain distance with air access hole 16, thereby prevent to penetrate into the bottom of button metal clips thin plate 10, therefore, when the user pressed on the button metal clips thin plate 10 in a plurality of thin film switches 12 that form any one, the operating mistake of button can not take place.
Also have, in the present invention, the protuberance zone 12a that outwards protrudes the thin film switch 12 that forms in the one side of button metal clips thin plate 10 does not form electrically-conducting paint 18 yet, therefore, when the user presses thin film switch 12, only with the connection point terminal that is positioned at corresponding lower position, for example be formed on the printed circuit board (PCB) and the locational connection point terminal that is positioned at the thin film switch of being pressed 12 contacts, thereby prevent the operating mistake of button.
As mentioned above, belong to those skilled in the art of the present invention, should be able to understand the present invention and can under the situation that does not change its technological thought or essential characteristics, also can derive some specific embodiments.
In detailed description of the present invention, specific embodiment is illustrated in addition, but in being no more than the limit of the scope of the invention, can carries out numerous variations.Thereby scope of the present invention is not limited to aforesaid embodiment, but decides according to claims scope described later and with the content that equals claims.
Claims (8)
- One kind be used for mobile communication terminal prevent error operation button using metal clips thin plate, simultaneously protrude a plurality of thin film switches of formation and run through one side and opposing face and forming makes a plurality of air access holes of air discrepancy at button metal clips thin plate, and form electrically-conducting paint on its surface and when the assembling keypad on the button metal clips thin plate between button and the circuit board, it is characterized in that: electrically-conducting paint is in the button metal clips thin sheet surface zone that leaves some space, therefore, when pressing thin film switch, can not impact, prevent mistake other connection point terminal.
- 2. according to claim 1 a kind of be used for mobile communication terminal prevent error operation button using metal clips thin plate, it is characterized in that: the above-mentioned zone that does not form electrically-conducting paint comprises the zone that is adjacent to above-mentioned a plurality of air access holes and the protuberance zone of above-mentioned a plurality of thin film switches.
- 3. according to claim 2 a kind of be used for mobile communication terminal prevent error operation button using metal clips thin plate, it is characterized in that: the zone that is adjacent to above-mentioned a plurality of air access holes is the zone apart from the outward flange 0.8mm-1.2mm of above-mentioned air access hole.
- 4. according to claim 2 a kind of be used for mobile communication terminal prevent error operation button using metal clips thin plate, it is characterized in that: the protuberance zone of above-mentioned thin film switch is above-mentioned printed circuit board (PCB) and the contacted zone of above-mentioned thin film switch.
- 5. mobile communication terminal that possesses the button metal clips thin plate that prevents the push-botton operation mistake, protrude a plurality of thin film switches that form and run through one side and opposing face and form a plurality of air access holes that make air discrepancy in the one side of button metal clips thin plate, and form electrically-conducting paint on its surface and when the assembling keypad on the button metal clips thin plate between button and the circuit board, it is characterized in that: electrically-conducting paint is in the button metal clips thin sheet surface zone that leaves some space, therefore, when pressing thin film switch, can not impact, prevent mistake other connection point terminal.
- 6. a kind of mobile communication terminal that possesses the button metal clips thin plate that prevents the push-botton operation mistake according to claim 5 is characterized in that: the above-mentioned zone that does not form electrically-conducting paint comprises the protuberance zone of the regional and above-mentioned a plurality of thin film switches that are adjacent to above-mentioned a plurality of air access holes.
- 7. a kind of mobile communication terminal that possesses the button metal clips thin plate that prevents the push-botton operation mistake according to claim 6 is characterized in that: be adjacent to the zone of the zone of above-mentioned a plurality of air access holes for the outward flange 0.8mm-1.2mm of the above-mentioned air access hole of distance.
- 8. a kind of mobile communication terminal that possesses the button metal clips thin plate that prevents the push-botton operation mistake according to claim 6 is characterized in that: the protuberance zone of above-mentioned thin film switch is above-mentioned printed circuit board (PCB) and the contacted zone of above-mentioned thin film switch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050020302 | 2005-03-10 | ||
| KR1020050020302A KR100747221B1 (en) | 2005-03-10 | 2005-03-10 | Metal dome sheet for prevent error of key and |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1832077A true CN1832077A (en) | 2006-09-13 |
Family
ID=36994248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100587548A Pending CN1832077A (en) | 2005-03-10 | 2006-03-06 | Metal striking flake thin board for prevent error operation button using for mobile information terminal |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100747221B1 (en) |
| CN (1) | CN1832077A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039700A (en) * | 2010-10-01 | 2011-05-04 | 苏州达方电子有限公司 | Metal-plastic composite structure and manufacturing method thereof and metal-plastic composite keycap structure |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101726222B1 (en) * | 2010-05-11 | 2017-04-12 | 엘지전자 주식회사 | Mobile terminal |
| KR101727511B1 (en) | 2010-08-24 | 2017-04-17 | 엘지전자 주식회사 | Portable terminal |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE513069C2 (en) * | 1997-03-03 | 2000-07-03 | Ericsson Telefon Ab L M | Protection against electrostatic discharge in a portable communication device |
| KR20030006478A (en) * | 2001-07-13 | 2003-01-23 | 주식회사 유일전자 | Keypad having an electrostatic protection structure and manufacturing method of the same |
-
2005
- 2005-03-10 KR KR1020050020302A patent/KR100747221B1/en not_active IP Right Cessation
-
2006
- 2006-03-06 CN CNA2006100587548A patent/CN1832077A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039700A (en) * | 2010-10-01 | 2011-05-04 | 苏州达方电子有限公司 | Metal-plastic composite structure and manufacturing method thereof and metal-plastic composite keycap structure |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060098196A (en) | 2006-09-18 |
| KR100747221B1 (en) | 2007-08-07 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |