TW200411691A - A trigger button - Google Patents

Abstract

A trigger button suitable for fabricating on an electronic device, is composed of a support, a switch element, a button and a flexible printed circuit line. The support is located on a circuit board and the switch element is mounted on the support. The button is used for pressing the switch element so as to activate the switch element. Moreover, the switch element includes several connections to couple the bonding pads of the flexible printed circuit. The trigger key is located on the sidewall of the PDA's shell so that switch element is removable on the circuit board to apply with the direction change of the support. There is no need to change the circuit on the circuit board and therefore reduce the cost.

Description

200411691 V. Description of the invention (1) The technology to which the invention belongs 41 ^ The present invention relates to a touch key, and more particularly to a touch key used in a personal digital assistant (PDA). The previous technology has a new milestone in the electronics industry after the computer industry. The so-called "poor home appliances" (IA; Information Appl i ance si) are generally equipped with Internet or Internet connectivity, and information and entertainment. According to this definition, information appliances can be used by users daily to connect to the Internet for voice communications, data transmission and reception, and Internet browsing. Personal Digital Assistant (hereinafter referred to as "personal digital assistant" (PDA) is an information appliance product. The most basic function of pDA is like the universal notepad that is often used in the past. All the items included in the universal notepad, such as 疋 Address Book, Notes, Accounting, Notes, Acting Calendar, no, not both '* And the use of digital records, storage, inspection, modification, data conversion, etc., is even more powerful than a pen-and-paper-based universal notepad. PDAs are also equipped with a personal computer The ability of data transmission has extended people's use of desktop computers, and has included endless resources on the Internet. Rich and diversified. Because pDA is easy to carry; 1: 1 can be simple, so it is suitable as a personal "information carrier" and transaction processor ". Half ^ t Although the functions of PDA are many, the PDAs of various brands have The function is the same as the one on the right, which cannot highlight the characteristics of the eighteenth. At present, all PDAs on the market are through a panel, a stylus, and a set of touch keys. In the past, PDAs used k stylus to click on the touch panel. Displayed functions of touch keys

200411691 V. Description of the invention (2) Use is just to enter some simple functions, such as power, homepage and menu buttons. When a PDA is combined with a gaming electronic device to become a multi-functional pj) A, since the gaming electronic device operates the game with multiple sets of touch keys, direction indicator keys, and function selection keys, the PDA is sensitive to the touch keys and has an operating life. (1 million times' ~ 5 million times), the quality requirements of touch keys will increase accordingly. The following is a detailed description of the operation mode of the PDA touch keys. *

Figure 1A shows a conventional PDA. Please refer to Figures 1A ~ 1B. ^ A name,. ,,,,,,,,,,,,,, and ............ ~ ~ Schematic diagram of the control key installation, and Figure 1B shows the diagram of Figure 1A An enlarged sectional view of a touch key. The touch key 1 10 has a switch assembly 丨 12 and a button 丨 14. The switch assembly is arranged on the circuit board 1 〇 inside the PDA, and the switch assembly 丨 2 is not internally pressed by the external switching element 13 In the open state, when the switch assembly 112 is pressed by an external force, for example, when the pDA button U4 is pressed by hand, the depressed button 114 can contact the trigger end 115 of the switch assembly 112, so that the switching element 丨 丨 3 is in the Path state, and make the switch assembly 丨 2 work. Please refer to Figure 丨 B. In order to achieve the above-mentioned function, the switch assembly 112 of the conventional touch key 11 is directly fixed on the circuit board 10, and the pins 1 of the switch assembly 11 2 are surface-adhesive technology, for example. It is electrically connected to the circuit board circuit 0, so that the operation signal of the switch assembly 112 can be transmitted to the circuit board 10. It is worth noting that, in order to make the PDA have the advantages of a handheld game machine, the positions of the touch keys 1 10 are, for example, provided on the side of the PDA housing 20 and the convenience when two fingers (such as the index finger) touch. In addition, the PDA housing also has a set of direction indicating keys 120 and a set of function selection keys 130, which are located on both sides of the touch panel 30. However, the familiar touch keys "

200411691

The orientation of the road board 10 is fixed, so the touch keys 1 i 0 cannot be changed as the shape of the housing 20 changes. Even if the touch key 丨 1 () is to change the angle, for example, the horizontal viewing angle θ of 30 to 60 degrees, the switch assembly must be changed! The position of the pin 1 1 6 on the circuit board · 10 must be changed again due to ·, and the relative manufacturing cost is also increased accordingly. In addition, in terms of the current specifications of the switching element 1 12, the operating element of the switching element II 3 is relatively large, and the product of the switching element 11 2 is relatively large. Conversely, the operating life of the switching element 11 3 is reduced. The volume of the switch assembly 112 is relatively small. However, using the current specification of the switch assembly

As the touch key no, the operating life required for the touch key 110 must be raised to 5 million times, so its volume will also increase, and thus occupy the entire internal space of the PDA. Therefore, the purpose of the invention is to provide a touch key, the switch = the operating life of which can reach 5 million times, and the volume of the touch key is smaller than that of the ϋ-size touch key, thereby reducing Occupy the entire interior of A

The first purpose of the component is to provide a circuit board module, which is open to reduce the circuit; sn: No need to change the circuit board for installation purpose, the present invention proposes a touch key, a circuit board, and a control panel. : Off = Consists of = and flexible printed wiring. Among them, the supporting standard is provided in the circuit

200411691 V. Description of the invention (4), and the support member has a plane which is substantially perpendicular to 2 of the circuit board, and the switching element is arranged on the plane. In addition, the 'button is arranged on the casing, and the button is suitable for pressing the switching element / so that the switching element is produced as a three-to-two = three printed circuit' is arranged on the casing a 'and the flexible printed circuit is electrically connected to Switches. Components and circuit boards. To achieve the above-mentioned object of the present invention, the present invention proposes a circuit board module installed in a housing of an electronic device by t ', the circuit board module is mainly composed of a circuit board, a support member, and a switch. Components and a soft structure. The support member is arranged on the surface of the circuit board, and is equal to the surface of the circuit board, and the switch element is two or more. In addition, the flexible printed circuit is disposed in the casing, and the brush circuit is electrically connected to the switching element and the circuit board, respectively. There are many: According to the preferred embodiment of the invention, the switching element described in the above also has a printed circuit bonding. The surface adhesive technology is electrically connected to the soft touch non-solid touch key 'so touch The key can follow the power and thus reduce the overall manufacturing cost. Low <Deep In order to make the above-mentioned sum of the present invention easy to understand, the following features and advantages can be explained in more detail, such as = a preferred embodiment, and in conjunction with the accompanying drawings Figures 2A and 2B. Figure 2A shows a schematic diagram of a touch key according to the first embodiment of the present invention compared to 200411691. 5. Description of the invention. Figure 2B shows the three-dimensional touch key of Figure 2A. Enlarged view. The touch key 21 is suitable for being installed in an electronic device 10. The electronic device 40 has a housing 50 and a circuit board 60, and the touch key 21 is mainly composed of a support 212. --- The switching element, a button 23, and a flexible printed circuit 240. Among them, the support member 212 is disposed on the surface of the circuit board 60 in a soldering manner, for example, and the support member 212 has a flat surface 214, which is substantially vertical. On the surface of the circuit board 60, the switching element 220 is arranged on the plane 214 and its operating life can be at least 5 million times or more, and the button 230 is arranged on the housing 50 to press the switching element 220 To make the switching element 220 act. As shown in FIG. 2A, it is worth noting Yes, because the position of the touch key 21 is not fixed, that is, the button 23 of the touch key 21 can be installed at any position on the side of the casing 50 of the electronic device 40, so when the touch key 21 〇, the position changes the day guard, just need to change the position of the support member 21 2 relative to the circuit board M. Among them, the flexible printed circuit (FlexiMe pHnted

Cinrcmt (FPC) 240, which has the advantages of lightness, thinness, flexibility, and configuration space H. Therefore, when the switching element 220 and the circuit board 60 of the electronic device 40 are electrically connected through the flexible printed circuit 240, it can reduce the occupation of the electronic device 40 space. In addition, even if the position of the touch key 21 is changed, the circuit of the circuit board 60 of the electronic device 40 does not need to be changed. #This, the circuit board does not need to change the position of the touch key 210 slightly, but must change the circuit of the circuit board 60 again, so it can reduce the overall production of the electronic device. For example, the function of the eight touch keys and the configuration method are described in more detail, but

iO ^ ltwf.ptd Page 9 200411691 V. Description of the invention (6) Non-limiting The touch key of the present invention is only applicable to pda and the like. Applicable to handheld game consoles. The device 'is also the switching element 22 as shown at 2 =. Disposed on 60 inside m 'Sub-I element 220 is under the circuit board when it is not pressed by external force' When the switching element 220 is pressed by external force, for example, when the button 230 is pressed, the pressed button 230 can contact the switching element The 22 ° related element 220 is in a channel state, so that the switching element 22 ° is generated. * It is important to note that in order to make the PDA have the advantages of a handheld game machine. The position of the value key 210 is, for example, installed on the side of the PDA case 50, and the touch key cooperates with the shape of the PDA case 50 to have a horizontal viewing key of 30 to 60 degrees when the finger (such as the index finger) touches. Convenience of timing. In order to achieve the above-mentioned function, the το member 220 must adopt a non-fixed &lt; that is, the position of the switching element 22o is slightly changed, and the circuit of the circuit board 60 of the PDA need not be changed. Among them, the switching element 220 can be fixed on the surface of the circuit board 60 by the supporting member 212, and the supporting member 212 and the circuit board 60 are relatively mechanically connected. Therefore, the orientation of the supporting member 212 can be changed. It is fixed on the circuit board 60, and finally the switch element 22G is placed on the support 212 without changing the circuit of the circuit board 60 of m. Refer to Figures 2B and 2C for details. Figure 2C shows an exploded perspective view of the touch key in Figure 2A. Since the button 23 of the touch key 21 is mounted on the side of the PDA case 50, the side of the support 212 corresponding to the case 50 has a plane 214 that is perpendicular to the surface of the circuit board 60. So that the switching element 22 0 can be vertically mounted on the circuit board 60. When the user presses the button 23 and contacts the switch tl 220, the switch element 220 can be pressed by the supporting surface provided by the plane 214 of the support 212, page 10, 200411691 V. Description of the invention (7), so that The switching element 22o is in the path state, so that the switching element 220 is actuated, and the operating signal of the switching element 220 is transmitted to the circuit board through the flexible printed circuit 240. Of course, the supporting member 212 can also be provided, and the angle of a flat field 214 ′ which is close to vertical (such as 70-85 degrees) can be adjusted by adjusting the position of the button 230 on the PDA to be above or below the casing. In addition, as shown in FIG. 2C, the supporting member 212 also has two bent portions 2 1 6 ′ protruding from both ends of the plane 2 1 4 to fix the flexible printed circuit 2 4 0. Therefore, the flexible printed circuit 2 4 〇 can be set in the space formed by the plane 2} 4 and these bent portions 216, and the bonding pad 242 of the flexible printed circuit 24 can also be located on the plane 64 to facilitate the printed circuit 24's bonding pad 242 and the switching element The contact 224 of 220 is connected. σ In summary, the touch key disclosed in the present invention is mainly composed of a building piece, a switching element, a button, and a flexible printed circuit. The two switching elements are arranged on the support, and the button is used for The switching element is pressed to activate the switching element. In addition, the switching element also has a plurality of contacts, and the contacts are electrically connected to a flexible printed circuit bonding pad, for example, by a surface bonding technique. Since the space occupied by the flexible printed circuit is very small, it eliminates less space occupied by the touch keys in the electronic device. In addition, = In this embodiment, in order to make the PDA have the advantages of a handheld game machine, the position of the touch key is installed on the side of the PDA case, for example, wherein the switch element can be fixed on the circuit board by a support member. Relatively, the supporting member is mechanically connected to the circuit board, so the supporting member can be fixed on the circuit board after changing its orientation, without changing the circuit of the circuit board of the electronic device, so as to reduce the overall manufacturing cost. Therefore, designing and manufacturing touch keys for electronic devices

200411691 V. In the description of the invention (8), its position and angle can be changed according to the needs of humanization, and the characteristics of this electron attack are highlighted. Although the present invention has been disclosed as above with a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes and retouch without departing from the spirit and scope of the present invention. The scope of protection of the invention shall be determined by the scope of the attached patent application.

10531twf.ptd Page 12 200411691 Brief Description of Drawings Figure 1 A shows a schematic diagram of a conventional touch key installation of a PDA. FIG. 1B is an enlarged perspective view of the touch key in FIG. 1A. FIG. 2A is a schematic diagram of a touch key according to a preferred embodiment of the present invention. FIG. 2B is an enlarged perspective view of the touch key in FIG. 2A. FIG. 2C illustrates an exploded perspective view of the touch key in FIG. 2A. Graphical description 10: Circuit board 2 0: Case 3 0: Display panel 40: Electronic device 50: Case 6 0: Circuit board 1 10: Touch key I 1 2: Switch assembly 11 3: Switch element II 4 : Button 11 5: Touching end 1 1 6: Pin 1 2 0: Direction indicator key 130: Function selection key 210: Touch key 212: Support 2 1 4: Flat

10531twf.ptd Page 13 200411691 Brief description of the drawing 216 Bend 'part 220 Switch element 224 Contact 230 button 240 Flexible printed circuit

10531twf.ptd Page 14

Claims (1)

200411691 VI. Scope of patent application 1. A touch key is suitable for being mounted on an electronic device. The electronic device has a housing and a circuit board. The touch key includes at least a support member. On the surface of the circuit board, the support member has a plane that is substantially perpendicular to the surface of the circuit board, a switching element is disposed on the plane; a flexible printed circuit, and two ends of the flexible printed circuit are Respectively connected to the switching element and the circuit board; and a button 'is disposed on the housing, and the button is adapted to press the interposition member to cause the switching element to actuate. Switch 70 2 The touch key as described in item 1 of the scope of patent application, wherein the support further has a plurality of bent portions protruding from the plane, and the flexible printed circuit is arranged on the plane and the planes. In the space formed by the bend. 3 / The scope of patent application! In the touch key described in the item, 70 switches of the switch have a plurality of contacts, and the contacts are connected to the flexible printed circuit.衣 ®Anviler Technology Co., Ltd. Λ:? 4 circuit board module 'suitable for installation in the housing of an electronic device, the circuit board module includes at least: a double blue circuit board; a support member provided in the The surface of the circuit board is a plane substantially perpendicular to the surface of the circuit board; the support member has a switching element disposed on the plane; and a flexible printed circuit, the printed circuit switching element, and the circuit board. Α, are connected to the 5 respectively, as described in the patent application scope of the fourth paragraph of the road board module, wherein the 15th page 10531twf.ptd 200411691 six patent application Fanyuan I ^, the support member I has a plurality of f胄, 胄 二 &quot; &quot; ^ ~ Printing: The spring road system is arranged on the plane and the bending planes, and the flexible opening member has a plurality of contacts, and the circuit board module, The technique is connected to the flexible printed circuit. Point-to-point