TW571324B - 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

571324

TECHNICAL FIELD The present invention relates to a touch key, and more particularly, to a touch key used in a personal digital assistant (PDA). Information appliances are a new milestone for the electronics industry after the computer industry. IA (Information Appliances) refers to devices with communication or Internet connection capabilities, and specific return devices such as information and entertainment. . According to this definition, information appliances can be used by users to connect to the Internet at any time for voice communication, data sending and receiving, and Internet browsing. Personal digital assistants (hereinafter referred to as PDAs) are information appliances. The most basic function of pDA is just like the universal notepad that is often used in the past. All items included in the universal notepad are like address book, memo, bookkeeping, note, calendar, etc. pDA is not both, and it uses digital Records, in terms of storage, inspection, modification, data conversion, etc., are much more powerful than general-purpose notepads for pen and paper records. PDA also has the ability to transfer data with personal computers, extending people's application of desktop computers, and then incorporating endless resources on the Internet, making the use of PDAs increasingly rich and diverse. Because pDA is convenient and easy to carry, pDA is suitable as a personal information carrier and transaction processor. Although there are many functions of PDA, the functions of pDA of each brand are almost the same, and the characteristics of PDA cannot be displayed. At present, there are a touch panel, a stylus, and a set of touch keys on the market. In the past, pDA used to use the stylus to click the functions displayed on the touch panel.

571324

Use is just to enter some simple functions, such as power, home and menu buttons. When a PDA is combined with a gaming electronic device to become a multifunctional pDA, since the gaming electronic device uses multiple sets of touch keys, direction indicator keys, and function selection $ to play games, the PDA is sensitive to the touch keys and the operating life. (1 million times to 5 million times), the quality requirements of touch keys will also increase. The following is a detailed explanation of the operation method of the PDA touch key. Please refer to Figs. 1A to 1B, where Fig. 1A shows a schematic diagram of the installation of a touch key of a conventional PDA, and Fig. 1B shows the first figure. An enlarged cross-sectional view of the touch pad. The touch key 110 has a switch component 112 and a button 114. The on-off component is arranged on the circuit board 10 inside the PDA, and when the switch component 丨 2 is not pressed by an external force, its internal switching element 丨 3 The system is in an open state. When the switch assembly 11 2 is pressed by an external force, for example, when the button 11 4 of the pDa is pressed by hand, the pressed button 11 4 can contact the trigger end 115 of the switch assembly 丨 2 so that the switch The element 11 3 is in a path state, and the switch assembly 丨 j 2 is activated. Please refer to FIG. 1B. In order to achieve the above-mentioned function, the switch assembly 1 12 of the conventional touch key 11 〇 is directly fixed on the circuit board 10 ， and the pin 11 6 of the switch assembly Π 2 is adhered to the surface, for example. The technology is electrically connected to the circuit of the circuit board j0, so that the operation signal of the switch assembly 112 can be transmitted to the circuit board. It is worth noting that, 'in order to make the PD A have the advantages of a handheld game machine, the position of the touch key 110 is, for example, installed on the side of the PDA case 20 to facilitate the convenience of a finger (such as an index finger) when touching. In addition, the housing 20 of the PDA also has a set of direction indicating keys 120 and a set of function selection keys 丨 30, which are respectively located on both sides of the touch panel 30. However, the conventional touch keys

Page 6 571324 V. Description of the invention (3) On the surface of the circuit board 10, its orientation is fixed, so the touch key 110 cannot change its position as the shape of the housing 20 changes. Even if the touch key 1 1 0 needs to change the angle 'for example, a horizontal viewing angle 0 of 30 to 60 degrees, the position of the pins 1 1 6 of the switch assembly 1 1 2 on the circuit board 10 must be changed, so it must be changed again. The relative manufacturing cost of the circuit board 10's circuit also increases accordingly. In addition, 'In terms of the current specifications of the switching element 1 12, the operating life of the switching element 1 1 3 is increased, and the volume of the switching element 丨 2 is also relatively large.' Conversely, the operating life of the switching element 1 1 3 is reduced. The switch components 1, 12 are relatively small in size. However, by using the touch key 11 of the current standard switch assembly 1 12 as the required operating life of the touch key no 0 must be increased to 5 million times, its volume will also increase, and therefore occupy The overall internal space of the PDA. The purpose of this invention is to provide a touch key, the operating life of which can reach 5 million times for all switches, and the volume of the touch key is less than the volume of the touch key that saves the head. This reduces the overall internal space occupied by the pda. Another object of the present invention is to provide a circuit board module, wherein when the position of the switching element on the circuit board is changed, it is not necessary to change the circuit of the circuit board again to reduce the manufacturing cost of the circuit board.

In order to achieve the above-mentioned object of the present invention, an electronic device is installed on the road board, and the touch key is mainly composed of a flexible printed circuit. Body and an electric branch piece, a switching element, and a button. Wherein the support is arranged on the circuit board

Page 7 ^ 71324

5. Description of the invention (4) On the surface and on the support surface, and on the switch body, the button is movable. In addition, the flexible systems are electrically connected to each other to achieve the present invention. The system is suitable for being installed in a system consisting of a circuit board and a circuit. Support — Plane, which is approximately on a plane. In addition, the brush circuit has multiple contacts respectively according to the present invention, and the connection of the printed circuit in the present invention can be reduced when the outer casing of the sub-device is convenient for finger touch, so that the present invention is easy to understand. The description is as follows: Please refer to the 2A support parts for the implementation. The above-mentioned electronic-supporting parts that are arranged to press the printed wire on the switch are arranged perpendicular to the flexible pads, which are preferred for connection. The use of non-solid change to facilitate the description of a comparison, there is a flat surface, switching elements on the plane, the circuit components are arranged on the shell components and electrical purposes, the housing parts of the device, a switch on the circuit board circuit board The printed circuit of the table is equipped with the switching elements in the embodiment. The touch points are changed by surface-type touch, and the cost is not increased. And other good examples of implementation, which is so large that the in-vivo circuit board is clearly lifted, the component surface is located on, and, is adhered so as to be perpendicular to the circuit board, the button is arranged on the shell switch element, And the flexible printed circuit has one kind of this circuit and one, and the open circuit technology described in the circuit board of the switch housing. The main flexible printed line support has a component system configuration, and the flexible printed components are also provided. It is connected to the soft keys, so the touch keys can be used for the position of the circuit board with the electricity, so that the circuit of the circuit board needs to be changed. The features, characteristics and advantages can be made clearer. Figure 2a shows a comparison according to the present invention.

571324 V. Description of the invention (5) A schematic view of a touch key of a preferred embodiment. FIG. 2B shows an enlarged three-dimensional view of the touch key in FIG. 2A. The touch key 2 10 is suitable for being installed in an electronic jewel. The electronic device 40 has-a housing 50 and a circuit board 6 (). The touch key 2 1 0 is mainly composed of a support member 21 2. A switching element 2 2 0, a button 2 3 0, and a flexible printed circuit 240. Among them, the supporting member 212 is arranged on the surface of the circuit board 60 in a soldering manner, and the supporting piece 212 has a plane 2 1 4 which is substantially perpendicular to the surface of the circuit board 60. 220 is arranged on the plane. 214, and its operating life can be at least 50,000 times or more, and the button 230 is arranged on the housing 50 to press a person 220 'to cause the switching element 220 to actuate. It ’s worth noting that 70 pieces of display are worth noting, because the position of the touch key 21 is not a solid way, that is, the button of the touch key 21 is a shell and any position on the edge. The position of the supporting piece 212 relative to the circuit board 60 can be used. Among them, the flexible printed circuit (Flexible Pi_int small dP, which has a thin, flexible, and configurable space piece 220 and an electronic Λ printed circuit 240, an electrical connection switch element χ p workshop 3 BU 'even if the position of the touch key 2 0 is changed, There is no need to change the position of the touch device on the circuit of the electronic device 40. The circuit is as follows: the circuit board 6. The text will use the personal digital assistant (PDA) category. The production cost of the normal body is as follows. The functions and devices of the touch keys are taken as examples.

571324

Without limitation, the touch key of the present invention is only applicable to electronic devices such as PDA, and can also be applied to handheld game machines. As shown in FIG. 2A, the switching element 22 is disposed on the circuit board 60 inside the pDA, and the switching element 22 is in an open state when it is not pressed by an external force. When the switch tl member 220 is pressed by an external force, for example, When the pDa button 230 is pressed by hand, the pressed button 23 can contact the switching element 22o, so that the opening element 22oβ is in a path state, and the switching element 220 is activated. It is worth noting that, in order to make the PDA have the advantages of a handheld game machine, the position of the touch key 210 is, for example, installed on the side of the PDA case 50, and the touch key 21 is matched with the shape of the PDA case 50. It has a horizontal viewing angle of 0 to 30 degrees to 60 degrees to facilitate the convenience of a finger (such as an index finger) when touching. In order to achieve the above-mentioned function, the switch 7L piece 220 must be non-fixed, that is, the position of the switch element 22 is slightly changed, and the circuit of the circuit board 60 of the PDA need not be changed. Among them, the switch element 220 can be fixed on the surface of the circuit board 60 by the support member 212, and the relative support member 2 12 and the circuit board 60 are mechanically connected, so the support member 212 can change its orientation. After that, it is fixed on the circuit board 60, and finally the switching element 220 is placed on the supporting member 212 without changing the circuit of the circuit board 60 of ρ]) A again. Please refer to Figures 2B and 2C at the same time, where 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. Therefore, the switching element 220 can be vertically arranged on the circuit board 60. When the user presses the button 23 and contacts the switching element 2 2 0 ', it can be provided by the plane 2 丨 4 of the support 2 丨 2

10531twf.ptd Page 10 571324 V. Description of the invention (7) ^ The supporting surface is used to press the switching element 220 'to make the switching element 22o at = down' so that the switching element 22o is activated, and the operating signal of the switching element 22 may be It is transmitted to the circuit board 60 through the flexible printed circuit 240. The second support member 212 can also be provided with a flat near vertical (such as 70 to 85 degrees): the U angle can be adjusted to the housing 50 by the position of the button 230 on the PDA. In addition, as shown in FIG. 2C, the branch member 212 also has a printing phase II and phase 6, which protrude from both ends of the plane 214, and are used to fix the flexible P brush and the spring 240. Therefore, the flexible printed circuit 24 In the space formed by these bent portions 216, and two are placed on the surface 214, the technician 207, each working room T, and the interface pad 242 of the flexible printed circuit 240 can also be located on the plane 64 to facilitate the printing pad. 242 is connected to the contact point m of the switching element 22. The joints of her 40 and the touch keys disclosed in the present invention are mainly provided on a support by a switch support element, a button, and a soft printing switch, and the button system is on. The switching element is activated. In addition, there are 7G parts, and 70 of these t-switches also have multiple contacts. For example, the two contacts are electrically connected to each other using a surface adhesion technology. Since the flexible printed circuit J == "print can reduce the space occupied by the touch keys in the electronic device; for example, in order to make the pDA have a palm type, for example, it is installed on the side of the PDA housing, such as: The center-opening point 侔 touch button is fixed on the circuit board. ^ For the ground, you can change its orientation by supporting the support member and then fix it on the thunder board without changing the electronic equipment. Because of the overall manufacturing cost of the circuit, it is necessary to set up the circuit of the board to reduce the cost of touch and to make the touch keys of the electronic device. Page 11 1053ltwf.ptd 571324 V. Description of the invention (8) The position and angle can be changed according to human needs, and the characteristics of the electronic device are highlighted. Although the present invention has been disclosed as above with a preferred embodiment, it is not intended to limit the present invention. Without departing from the spirit and scope of the present invention, some modifications and retouching can be made. Therefore, the protection scope of the present invention shall be determined by the scope of the appended patent application.

10531twf.ptd Page 12 571324 Brief Description of Drawings Figure 1A shows a schematic diagram of the installation of a touch key of a conventional 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 20: Case 3 0: Display panel 4 0: Electronic device 50: Case 6 0: Circuit board 1 10: Touch key 1 1 2: Switch assembly I 1 3: Switch element 11 4: Button II 5: Touching end 11 6: Pin 1 2 0: Direction indicator key 1 3 0: Function selection key 210: Touch key 2 1 2: Support 214: Flat

10531twf.ptd Page 13 571324

10531twf.ptd Page 14

Claims (1)

571324 ι · 悝 啁 Control key is provided with a shell and a support on the top, and is provided with a plane, which is substantially vertical to a switching element, and a flexible printed circuit on the switching element and the button. To make the switching element 2 · If the patent application module has a plurality of bent lines, it is arranged on the plane 3 · If the patent application module has a plurality of connections to the flexible printed circuit 4 · A circuit board In the mold, the circuit board module to the circuit board; Zhou Yu is installed on a ____ _ circuit board, and the touch key includes at least: the surface of the circuit board, and the support member is provided on the surface of the circuit board Is not on the plane; the two ends of the flexible printed circuit are respectively connected to a circuit board; and on the casing, the button is adapted to press the switch element to generate an action. The touch key according to item 1, wherein the supporting portion 'protrudes from the plane, and the soft printing and the bent portions constitute a space. The touch key described in item 1, wherein the switch point 'and the contacts are connected by a surface bonding technology' are suitable for being installed in a housing of an electronic device. The support includes: On the surface of the circuit board, the supporting member has a surface that is substantially perpendicular to the surface of the circuit board; a switching element disposed on the plane; and a μ Γ flexible printed circuit having two ends of the printed circuit Connected to the three components and the circuit board respectively. Λ 5 · The circuit board module described in item 4 of the scope of patent application, wherein 571324 6. Scope of patent application The support member has a plurality of bent portions that protrude from the plane, and the flexible printed circuit is arranged in the space formed by the plane and the bent portions. 6. The circuit board module according to item 4 of the scope of patent application, wherein the switching element further has a plurality of contacts, and the contacts are connected to the flexible printed circuit by a surface bonding technology. 10531twf.ptd Page 16