TWI469169B - Keypad assembly and electronic device using the same - Google Patents

Keypad assembly and electronic device using the same Download PDF

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Publication number
TWI469169B
TWI469169B TW99131350A TW99131350A TWI469169B TW I469169 B TWI469169 B TW I469169B TW 99131350 A TW99131350 A TW 99131350A TW 99131350 A TW99131350 A TW 99131350A TW I469169 B TWI469169 B TW I469169B
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TW
Taiwan
Prior art keywords
elastic
button structure
key cap
support member
key
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TW99131350A
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Chinese (zh)
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TW201214485A (en
Inventor
Bin Dai
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Hon Hai Prec Ind Co Ltd
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Priority to TW99131350A priority Critical patent/TWI469169B/en
Publication of TW201214485A publication Critical patent/TW201214485A/en
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Publication of TWI469169B publication Critical patent/TWI469169B/en

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Description

按鍵結構及具有該按鍵結構之電子裝置 Button structure and electronic device having the same

本發明涉及一種按鍵結構,尤其涉及一種用於電子裝置之按鍵結構。 The present invention relates to a button structure, and more particularly to a button structure for an electronic device.

電子裝置之面板上常設置有按鍵結構,用於控制電源開關或進行其他功能調節,隨著電子行業之迅速發展,對電子裝置中按鍵之控制精準度等要求亦越來越高。 The panel structure of the electronic device is often provided with a button structure for controlling the power switch or performing other function adjustments. With the rapid development of the electronic industry, the control precision of the buttons in the electronic device is also higher and higher.

一種按鍵結構,其設於電子裝置之殼體上。該殼體開設有容置孔。該按鍵結構包括收容於該容置孔內之鍵帽及按鍵開關。鍵帽底部設有凸塊。按鍵開關具有觸發部及固定觸點,該觸發部為拱形彈片。凸塊抵持於觸發部之頂部。按壓按鍵結構中之鍵帽,凸塊將觸發部壓下,與固定觸點接通;放鬆鍵帽,可觸發部抵持凸塊,使鍵帽復位。 A button structure is provided on a casing of an electronic device. The housing is provided with a receiving hole. The button structure includes a key cap and a key switch housed in the receiving hole. The bottom of the key cap is provided with a bump. The button switch has a triggering portion and a fixed contact, and the triggering portion is an arched elastic piece. The bump abuts against the top of the trigger. Pressing the key cap in the button structure, the bump presses the trigger portion to be connected with the fixed contact; and the key cap is released, and the trigger portion abuts the bump to reset the key cap.

惟,上述之按鍵結構中,由於製造公差或裝配誤差等原因,容易使鍵帽之凸塊於未觸發狀態下與觸發部之頂部之間存在一定之間隙,從而形成空行程,導致上述按鍵結構手感較差。 However, in the above-mentioned button structure, due to manufacturing tolerances or assembly errors, it is easy to cause a certain gap between the bump of the key cap and the top of the trigger portion in the untriggered state, thereby forming an idle stroke, resulting in the above-mentioned button structure. Feel poor.

鑒於上述情況,有必要提供一種按壓時手感較佳之按鍵結構及具有該按鍵結構之電子裝置。 In view of the above, it is necessary to provide a button structure with a better hand feeling when pressed and an electronic device having the same.

一種按鍵結構,其包括支撐件、設於支撐件上且具有觸發部之按鍵開關、相對觸發部設置之鍵帽及與鍵帽固定連接之彈性抵持件,支撐件及按鍵開關位於鍵帽與彈性抵持件之間,彈性抵持件於按鍵開關未觸發狀態下與支撐件相抵持而發生彈性形變,使鍵帽與觸發部緊密接觸。 A button structure includes a support member, a button switch disposed on the support member and having a trigger portion, a key cap disposed opposite the trigger portion, and an elastic resisting member fixedly coupled to the key cap, wherein the support member and the key switch are located at the key cap and Between the elastic resisting members, the elastic resisting member elastically deforms against the supporting member when the button switch is not triggered, so that the key cap and the triggering portion are in close contact.

一種電子裝置,其包括殼體及設於殼體上之按鍵結構,殼體上開設有容置孔,按鍵結構包括與殼體固定連接之支撐件、設於支撐件上且具有觸發部之按鍵開關、相對該觸發部設置且部分收容於該容置孔內之鍵帽及與鍵帽固定連接之彈性抵持件,支撐件及按鍵開關位於鍵帽與彈性抵持件之間,彈性抵持件包括彈性部及分別從彈性部之二端朝向該彈性部之同一側彎折延伸之二連接部,二連接部與鍵帽固定連接,其中彈性抵持件之彈性部於按鍵開關未觸發狀態下與支撐件相抵持而發生彈性形變,使鍵帽與觸發部緊密接觸。 An electronic device includes a housing and a button structure disposed on the housing, the housing is provided with a receiving hole, and the button structure comprises a supporting member fixedly connected to the housing, and a button disposed on the supporting member and having a trigger portion a switch, a key cap disposed in the triggering portion and partially received in the receiving hole, and an elastic resisting member fixedly connected to the key cap, the support member and the button switch being located between the key cap and the elastic resisting member, elastically resisting The member includes an elastic portion and two connecting portions respectively bent from the two ends of the elastic portion toward the same side of the elastic portion, and the two connecting portions are fixedly connected with the key cap, wherein the elastic portion of the elastic resisting member is not triggered by the button switch The lower part is in contact with the support member to be elastically deformed, so that the key cap is in close contact with the trigger portion.

上述按鍵結構之彈性抵持件於按鍵開關未觸發狀態下,與支撐件相抵持而發生彈性形變,使鍵帽保持與按鍵開關之觸發部緊密接觸,從而避免鍵帽與觸發部之間產生間隙,使按壓上述按鍵結構時具有較佳之手感。 The elastic resisting member of the button structure is elastically deformed when the button switch is not triggered, and is elastically deformed by the support member, so that the key cap is kept in close contact with the trigger portion of the button switch, thereby avoiding a gap between the key cap and the trigger portion. It has a better hand feeling when the above button structure is pressed.

100‧‧‧電子裝置 100‧‧‧Electronic devices

101‧‧‧殼體 101‧‧‧shell

102‧‧‧容置孔 102‧‧‧ accommodating holes

103‧‧‧按鍵結構 103‧‧‧Key structure

10‧‧‧鍵帽 10‧‧‧Key Cap

11‧‧‧按壓部 11‧‧‧ Pressing Department

13‧‧‧限位部 13‧‧‧Limited

15‧‧‧連接部 15‧‧‧Connecting Department

151‧‧‧凸柱 151‧‧‧Bump

20‧‧‧固定支架 20‧‧‧Fixed bracket

21‧‧‧第一固定部 21‧‧‧First Fixed Department

23‧‧‧第二固定部 23‧‧‧Second fixed department

25‧‧‧第三固定部 25‧‧‧The third fixed department

30‧‧‧支撐件 30‧‧‧Support

31‧‧‧本體 31‧‧‧Ontology

312‧‧‧通孔 312‧‧‧through hole

32‧‧‧支撐部 32‧‧‧Support

50‧‧‧按鍵開關 50‧‧‧Key switch

51‧‧‧觸發部 51‧‧‧Trigger

60‧‧‧彈性抵持件 60‧‧‧Flexible resisting parts

61‧‧‧彈性部 61‧‧‧Flexible Department

63‧‧‧連接部 63‧‧‧Connecting Department

632‧‧‧固定孔 632‧‧‧Fixed holes

圖1所示為本發明實施方式之電子裝置之局部立體示意圖。 FIG. 1 is a partial perspective view of an electronic device according to an embodiment of the present invention.

圖2為圖1中所示之電子裝置之立體分解圖。 2 is an exploded perspective view of the electronic device shown in FIG. 1.

圖3為圖1中所示之電子裝置之立體剖視圖。 3 is a perspective cross-sectional view of the electronic device shown in FIG. 1.

下面將結合附圖及具體實施方式對本發明之按鍵結構及具有該按鍵結構之電子裝置作進一步之詳細說明。 The key structure of the present invention and the electronic device having the same will be further described in detail below with reference to the accompanying drawings and specific embodiments.

請參閱圖1及圖2,電子裝置100包括各種功能模組用於實現各種相應之功能,然而,為節省篇幅,本實施方式重點介紹該電子裝置100之殼體101及固定於殼體101上之按鍵結構103。具體於本實施方式中,按鍵結構103為電子裝置100之功能表按鈕,殼體101為電子裝置之外殼。殼體101上開設有容置孔102(請參見圖3)。 Referring to FIG. 1 and FIG. 2 , the electronic device 100 includes various functional modules for implementing various functions. However, in order to save space, the present embodiment focuses on the housing 101 of the electronic device 100 and is fixed on the housing 101 . The button structure 103. Specifically, in the present embodiment, the button structure 103 is a function table button of the electronic device 100, and the casing 101 is an outer casing of the electronic device. The housing 101 is provided with a receiving hole 102 (please refer to FIG. 3).

按鍵結構103包括鍵帽10、固定支架20、支撐件30、按鍵開關50、及彈性抵持件60。按鍵帽10部分收容於殼體101之容置孔102中。固定支架20固定於殼體101之內側面,且靠近容置孔102設置。支撐件30與固定支架20固定連接,且與容置孔102相對設置。按鍵開關50固定於支撐件30上。彈性抵持件60與鍵帽10固定連接且與支撐件30相抵持。 The button structure 103 includes a keycap 10, a fixing bracket 20, a support member 30, a push button switch 50, and a resilient resisting member 60. The button cap 10 is partially received in the receiving hole 102 of the housing 101. The fixing bracket 20 is fixed to the inner side surface of the casing 101 and disposed adjacent to the receiving hole 102. The support member 30 is fixedly connected to the fixing bracket 20 and disposed opposite to the receiving hole 102. The push button switch 50 is fixed to the support member 30. The elastic resisting member 60 is fixedly coupled to the keycap 10 and abuts against the support member 30.

鍵帽10包括一按壓部11、一限位部13及二連接部15。按壓部11大致呈長條橢圓形,其可於殼體101之容置孔102滑動。限位部13設於按壓部11之一側。限位部13之尺寸大於殼體101之容置孔102之尺寸,以防止按壓部11從容置孔102中脫落。二連接部15分別設於限位部13之外表面之兩端。於本實施方式中,每一連接部15之一側設有一凸柱151。 The keycap 10 includes a pressing portion 11 , a limiting portion 13 and two connecting portions 15 . The pressing portion 11 is substantially elliptical in shape and is slidable in the receiving hole 102 of the housing 101. The stopper portion 13 is provided on one side of the pressing portion 11. The size of the limiting portion 13 is larger than the size of the receiving hole 102 of the housing 101 to prevent the pressing portion 11 from falling out of the receiving hole 102. The two connecting portions 15 are respectively disposed at both ends of the outer surface of the limiting portion 13 . In the embodiment, a protrusion 151 is disposed on one side of each connecting portion 15 .

固定支架20包括一第一固定部21、二第二固定部23及一第三固定部25。第一固定部21為矩形板體,其固定於殼體101之內側。二第二固定部23分別從第一固定部21一側之兩端彎折延伸。第三固定部25之兩端分別與二第二固定部23連接。第一固定部21、二第二固定部23及第三固定部25共同形成一環狀之框架。於本實施方 式中,第一固定部21採用焊接之方式固定於殼體101之內側。第三固定部25用於固定連接電子裝置100之其他元件(未圖示)。 The fixing bracket 20 includes a first fixing portion 21 , two second fixing portions 23 and a third fixing portion 25 . The first fixing portion 21 is a rectangular plate body that is fixed to the inner side of the casing 101. The second fixing portions 23 are bent and extended from both ends of the first fixing portion 21 side. Both ends of the third fixing portion 25 are connected to the second fixing portions 23, respectively. The first fixing portion 21, the second fixing portion 23, and the third fixing portion 25 together form an annular frame. In this implementation In the formula, the first fixing portion 21 is fixed to the inner side of the casing 101 by welding. The third fixing portion 25 is for fixing other components (not shown) that are connected to the electronic device 100.

支撐件30包括本體31及設於本體31一側之中部之支撐部32。本體31兩端分別開設有一通孔312。本體31藉由螺釘(未標示)穿設通孔312而固定於固定支架20之第二固定部23上。 The support member 30 includes a body 31 and a support portion 32 provided at a middle portion of the body 31 side. A through hole 312 is defined in each of the two ends of the body 31. The body 31 is fixed to the second fixing portion 23 of the fixing bracket 20 by a through hole 312 through a screw (not shown).

按鍵開關50固定於支撐件30之支撐部32上。按鍵開關50具有一觸發部51。鍵帽10之限位部13抵壓觸發部51,而觸發按鍵開關50。於本實施方式中,按鍵開關50採用焊接之方式固定於支撐件30上。 The push button switch 50 is fixed to the support portion 32 of the support member 30. The push button switch 50 has a trigger portion 51. The stopper portion 13 of the keycap 10 presses the trigger portion 51 to activate the key switch 50. In the present embodiment, the push button switch 50 is fixed to the support member 30 by welding.

彈性抵持件60大致呈U型,其包括一彈性部61及二連接部63。彈性部61大致為弧形,其凸出之頂部與支撐件30之支撐部32相抵持。二連接部63分別從彈性部61之兩端朝向彈性部61之同一側彎折延伸。每一連接部63之自由端開設有一固定孔632。鍵帽10之連接部15之凸柱151穿設該固定孔632,從而使該彈性抵持件60與鍵帽10固定連接。於本實施方式中,彈性抵持件60由彈性材料一體成型。 The elastic resisting member 60 is substantially U-shaped and includes an elastic portion 61 and two connecting portions 63. The elastic portion 61 is substantially curved, and its convex top portion abuts against the support portion 32 of the support member 30. The two connecting portions 63 are bent and extended from the opposite ends of the elastic portion 61 toward the same side of the elastic portion 61. A fixing hole 632 is defined in the free end of each connecting portion 63. The fixing post 632 of the connecting portion 15 of the key cap 10 is inserted through the fixing hole 632 to fix the elastic resisting member 60 to the key cap 10. In the present embodiment, the elastic resisting member 60 is integrally molded from an elastic material.

請同時參閱圖2及圖3,組裝按鍵結構103時,首先將固定支架20之第一固定部21固定於殼體101之內側。將支撐件30之本體31之兩端與固定支架20之二第二固定部23固定連接。將鍵帽10之按壓部11收容於殼體101之容置孔102內。將按鍵開關50固定於支撐件30之支撐部32上。將鍵帽10之凸柱151穿設彈性抵持件60之二連接部63之固定孔632內,使彈性抵持件60與鍵帽10固定連接。彈性抵持件60之彈性部61與支撐件30之支撐部32相抵持,從而使鍵帽10之限位部13與按鍵開關50之觸發部51緊密接觸。 Referring to FIG. 2 and FIG. 3 simultaneously, when the button structure 103 is assembled, the first fixing portion 21 of the fixing bracket 20 is first fixed to the inner side of the casing 101. The two ends of the body 31 of the support member 30 are fixedly connected to the second fixing portions 23 of the fixing bracket 20 . The pressing portion 11 of the keycap 10 is housed in the receiving hole 102 of the casing 101. The push button switch 50 is fixed to the support portion 32 of the support member 30. The protrusion 151 of the keycap 10 is inserted into the fixing hole 632 of the connecting portion 63 of the elastic abutting member 60 to fix the elastic abutting member 60 to the keycap 10. The elastic portion 61 of the elastic resisting member 60 abuts against the supporting portion 32 of the support member 30, so that the limiting portion 13 of the keycap 10 is in close contact with the triggering portion 51 of the push button switch 50.

使用按鍵結構103時,按壓鍵帽10之按壓部11,使鍵帽10朝向按鍵開關50之觸發部51滑動,直至觸發按鍵開關50。彈性抵持件60之彈性部61完全恢復形變或彈性變數減小。鬆開鍵帽10之按壓部11時,按鍵開關50之觸發部51自動復位而頂起鍵帽10。彈性抵持件60之彈性部61與支撐件30之支撐部32相抵持而發生彈性形變,從而使鍵帽10之限位部13保持與按鍵開關50之觸發部51緊密接觸。 When the button structure 103 is used, the pressing portion 11 of the keycap 10 is pressed to slide the keycap 10 toward the trigger portion 51 of the key switch 50 until the key switch 50 is activated. The elastic portion 61 of the elastic resisting member 60 completely recovers the deformation or the elastic variable is reduced. When the pressing portion 11 of the keycap 10 is released, the trigger portion 51 of the push switch 50 is automatically reset to lift the keycap 10. The elastic portion 61 of the elastic resisting member 60 is elastically deformed by the support portion 32 of the support member 30, so that the stopper portion 13 of the keycap 10 is kept in close contact with the trigger portion 51 of the push switch 50.

需要說明,按鍵結構103之按鍵開關50未觸發時,彈性抵持件60因發生彈性形變而施加於鍵帽10之彈力小於按鍵開關50之觸發部51觸發時所需之按壓力,從而避免按鍵開關50被誤觸,使按鍵開關50可正常工作。 It should be noted that when the button switch 50 of the button structure 103 is not triggered, the elastic force of the elastic resisting member 60 applied to the keycap 10 due to the elastic deformation is smaller than the pressing force required when the trigger portion 51 of the button switch 50 is triggered, thereby avoiding the button. The switch 50 is accidentally touched, so that the key switch 50 can operate normally.

上述按鍵結構103之彈性抵持件60於按鍵開關50未觸發狀態下,與支撐件30相抵持而發生彈性形變,使鍵帽10仍然與按鍵開關50之觸發部51緊密接觸,從而避免鍵帽10與按鍵開關50之觸發部51之間產生間隙,使按壓上述按鍵結構103時具有較佳之手感。 The elastic resisting member 60 of the button structure 103 is elastically deformed against the support member 30 in the untriggered state of the push button switch 50, so that the key cap 10 is still in close contact with the trigger portion 51 of the push button switch 50, thereby avoiding the key cap. A gap is formed between the trigger portion 51 of the push button switch 10 and the button structure 103 is pressed to have a better hand feeling.

綜上所述,本發明符合發明專利要件,爰依法提出申請專利。惟,以上該者僅為本發明之較佳實施例,舉凡熟悉本案技藝之人士,在爰依本發明精神所作之等效修飾或變化,皆應涵蓋於以下之如申請專利範圍內。 In summary, the present invention complies with the requirements of the invention patent, and submits a patent application according to law. However, the above is only a preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.

100‧‧‧電子裝置 100‧‧‧Electronic devices

101‧‧‧殼體 101‧‧‧shell

103‧‧‧按鍵結構 103‧‧‧Key structure

10‧‧‧鍵帽 10‧‧‧Key Cap

20‧‧‧固定支架 20‧‧‧Fixed bracket

30‧‧‧支撐件 30‧‧‧Support

50‧‧‧按鍵開關 50‧‧‧Key switch

60‧‧‧彈性抵持件 60‧‧‧Flexible resisting parts

Claims (9)

一種按鍵結構,其包括支撐件、設於該支撐件上且具有觸發部之按鍵開關及相對該觸發部設置之鍵帽,其改良在於:該按鍵結構還包括與該鍵帽固定連接之彈性抵持件,該支撐件及按鍵開關位於該鍵帽與該彈性抵持件之間,其中該彈性抵持件於該按鍵開關未觸發狀態下與該支撐件相抵持而發生彈性形變,使該鍵帽與該觸發部緊密接觸。 A button structure includes a support member, a button switch disposed on the support member and having a trigger portion, and a key cap disposed opposite to the trigger portion, wherein the button structure further comprises a resilient connection fixedly coupled to the key cap The support member and the key switch are located between the key cap and the elastic resisting member, wherein the elastic resisting member is elastically deformed against the support member when the push button switch is not triggered, so that the key is elastically deformed. The cap is in close contact with the trigger portion. 如申請專利範圍第1項所述之按鍵結構,其中該彈性抵持件包括彈性部及分別從該彈性部之兩端朝向該彈性部之同一側彎折延伸之二連接部,該二連接部與該鍵帽固定連接。 The button structure of claim 1, wherein the elastic resisting member comprises an elastic portion and two connecting portions respectively extending from opposite ends of the elastic portion toward the same side of the elastic portion, the two connecting portions Fixed connection to the key cap. 如申請專利範圍第2項所述之按鍵結構,其中每一連接部上開設有固定孔,該鍵帽之一側設有穿設該固定孔之凸柱。 The button structure of claim 2, wherein each of the connecting portions is provided with a fixing hole, and one side of the key cap is provided with a protruding post penetrating the fixing hole. 如申請專利範圍第1項所述之按鍵結構,其中該按鍵結構還包括與該支撐件固定連接之固定支架。 The button structure of claim 1, wherein the button structure further comprises a fixing bracket fixedly connected to the support member. 如申請專利範圍第4項所述之按鍵結構,其中該支撐件包括兩端與該固定支架固定連接之本體及設於該本體一側之中部之支撐部,該按鍵開關固定於該支撐部上,該彈性部與該支撐部相抵持。 The button structure of claim 4, wherein the support member comprises a body fixedly connected to the fixing bracket at both ends, and a supporting portion disposed at a middle portion of the body, the button switch being fixed on the supporting portion The elastic portion is in contact with the support portion. 如申請專利範圍第5項所述之按鍵結構,其中該彈性部大致為弧形,其凸出之頂部與該支撐部相抵持。 The button structure of claim 5, wherein the elastic portion is substantially arcuate, and a convex top portion thereof abuts against the support portion. 一種電子裝置,其包括殼體及設於該殼體上之按鍵結構,該殼體上開設有容置孔,該按鍵結構包括與該殼體固定連接之支撐件、設於該支撐件上且具有觸發部之按鍵開關及相對該觸發部設置且部分收容於該容置孔之鍵帽,其改良在於:該按鍵結構還包括與該鍵帽固定連接之彈性抵持件,該支撐件及按鍵開關位於該鍵帽與該彈性抵持件之間,該彈性抵持 件包括彈性部及分別從該彈性部之兩端朝向該彈性部之同一側彎折延伸之二連接部,該二連接部與該鍵帽固定連接,其中該彈性抵持件之彈性部於該按鍵開關未觸發狀態下與該支撐件相抵持而發生彈性形變,使該鍵帽與該觸發部緊密接觸。 An electronic device includes a housing and a button structure disposed on the housing, the housing is provided with a receiving hole, and the button structure comprises a supporting member fixedly connected to the housing, and is disposed on the supporting member The key switch having the triggering portion and the key cap disposed in the triggering portion and partially received in the receiving hole is improved in that the button structure further comprises an elastic resisting member fixedly connected with the key cap, the support member and the key switch are located The elastic cap between the key cap and the elastic resisting member The member includes an elastic portion and two connecting portions respectively extending from the opposite ends of the elastic portion toward the same side of the elastic portion, the two connecting portions being fixedly coupled to the key cap, wherein the elastic portion of the elastic resisting member is When the button switch is in an untriggered state, it is elastically deformed by the support member, so that the key cap is in close contact with the trigger portion. 如申請專利範圍第7項所述之電子裝置,其中每一連接部上開設有固定孔,該鍵帽之一側設有穿設該固定孔之凸柱。 The electronic device of claim 7, wherein each of the connecting portions is provided with a fixing hole, and one side of the key cap is provided with a protruding post penetrating the fixing hole. 如申請專利範圍第7項所述之電子裝置,其中該按鍵結構還包括固定於該殼體內側且與該支撐件固定連接之固定支架。 The electronic device of claim 7, wherein the button structure further comprises a fixing bracket fixed to the inner side of the housing and fixedly connected to the support member.
TW99131350A 2010-09-16 2010-09-16 Keypad assembly and electronic device using the same TWI469169B (en)

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KR20090116416A (en) * 2008-05-07 2009-11-11 (주)블루윈크 A metal dome switch for keypad
TW201005780A (en) * 2008-07-30 2010-02-01 Chicony Electronic Co Ltd Key structure
TWM358501U (en) * 2008-11-12 2009-06-01 Altek Corp Case structure with keypad
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