Composite key structure and wireless electronic device using the same

A composite key structure and a wireless electronic device using the same are provided. The composite key structure includes a circuit board, a first switch, a second switch, a first movable member and a second movable member. The circuit board has a first surface and a second surface opposite to the first surface. The first switch is disposed on the first surface. The second switch is disposed on the second surface. The first movable member rotatably disposed on the first switch relative to the circuit board to activate the first switch. The second movable member slidably disposed on the first movable member to activate the second switch.

BACKGROUND OF THE INVENTION

Field of the Invention

The invention relates in general to a key structure, and more particularly to a composite key structure and a wireless electronic device using the same.

Description of the Related Art

Normally the wireless mouse is provided with a power switch and a pairing key. The pairing key is hardly used. This is because the wireless mouse, once set and successfully paired with an electronic device, will be automatically connected next time, and there is no need to perform setting and pairing again. Meanwhile, since the pairing key still occupies a position on the lower cover and more or less affects the appearance or internal space of the wireless mouse, the structure of the pairing key and the wireless mouse still needs to be improved.

SUMMARY OF THE INVENTION

The invention is directed to a composite key structure and a wireless electronic device using the same, in which combine multiple keys as one single key. Thus, the quantity of keys can be decreased.

According to one embodiment of the present invention, a composite key structure is provided. The composite key structure includes a circuit board, a first switch, a second switch, a first movable member and a second movable member. The circuit board has a first surface and a second surface opposite to the first surface. The first switch is disposed on the first surface. The second switch is disposed on the second surface. The first movable member is rotatably disposed on the first switch relative to the circuit board to activate the first switch. The second movable member is slidably disposed on the first movable member to activate the second switch.

According to another embodiment of the present invention, a composite key structure is provided. The composite key structure includes a circuit board, a first switch, a second switch, a first movable member, a second movable member. The circuit board has a first surface and a second surface opposite to the first surface. The first switch is disposed on the first surface. The second switch is disposed on the second surface. The first movable member is movably and rotatably disposed on the first switch relative to the circuit board to activate the first switch. The second movable member is disposed on the first movable member and configured to move and rotate along with the first movable member to activate the second switch.

DETAILED DESCRIPTION OF THE INVENTION

Detailed structures and operation principles of the invention are disclosed below in a number of embodiments with accompanying drawings. However, the disclosed embodiments are for explanatory and exemplary purposes only, not for limiting the scope of protection of the invention.

According to an embodiment of the invention, a composite key structure used in a wireless electronic device, such as wireless mouse, wireless headphone, wireless microphone, and wireless speaker, is provided. Although the wireless electronic device is exemplified by a wireless mouse in the embodiments below, the invention is not limited to the said exemplification

First Embodiment

FIG. 1Ais a schematic diagram of the bottom of a wireless mouse100according to an embodiment of the invention.FIG. 1Bis an explosion diagram of a wireless mouse100according to an embodiment of the invention. As indicated inFIG. 1AandFIG. 1B, the wireless mouse100includes an upper cover102, a lower cover104and a composite key structure110. The upper cover102and the lower cover104are assembled as a casing for the user to grip at hand. The composite key structure110is interposed between the upper cover102and the lower cover104and is configured to turn on/off the power and perform Bluetooth pairing. Relevant operation principles of the wireless mouse100are generally known to anyone skilled in the art, and are not repeated here. Detailed structures of the composite key structure110are disclosed below.

Refer toFIG. 1A. The lower cover104is provided with an oval opening105, and the composite key structure110has a button121exposed in the opening105. When the button121is at a first position (i.e., at one end of the opening105), the power is turned on, and the user can press the button121to perform Bluetooth pairing. When the button121is at a second position (i.e., at the other end of the opening105), the power is turned off, and the user cannot press the button121to perform Bluetooth pairing.

Refer toFIG. 1B. The composite key structure110includes a circuit board112, a first switch114, a second switch116, a first movable member118and a second movable member120. The circuit board112has a first surface S1and a second surface S2opposite to the first surface S1. The first surface S1is a bottom surface, and the second surface S2is a top surface. The first surface S1faces the lower cover104of the wireless mouse100, and the second surface S2faces the upper cover102of the wireless mouse100. The first switch114, such as a key switch, is disposed on the first surface S1. The second switch116, such as a lever switch, is disposed on the second surface S2. However, the second switch116can also be a key switch, and the invention is not limited thereto.

In an embodiment, the first switch114is a Bluetooth pairing key, and the second switch116is a power switch for example. When the second switch116is in a power-on state and the user presses the button121to activate the first switch114, the wireless mouse100can perform wireless setting, such as Bluetooth pairing. When the second switch116is in a power-off state, the wireless mouse100cannot perform wireless setting.

Refer toFIG. 1B,FIG. 2AandFIG. 2B.FIG. 2AandFIG. 2Brespectively are actuation diagrams of the composite key structure110ofFIG. 1B. As indicated inFIG. 2A, the second movable member120is at a first position. As indicated inFIG. 2B, the second movable member120is at a second position. For the elements to be more clearly illustrated,FIG. 2AandFIG. 2Billustrate the first switch114and the second switch116disposed on the circuit board112and no more illustrate the circuit board112. In an embodiment, the first movable member118rotatably disposed on the first switch114relative to the circuit board112. The first movable member118includes a shaft117and a supporting member119. One end of the supporting member119fixedly connects the shaft117, such that the supporting member119can rotate around the shaft117. That is, when the user presses the button121, the supporting member119can rotate relative to the shaft117to activate the first switch114.

Besides, the second movable member120is slidably disposed on the first movable member118. The second movable member120includes a sliding positioning member122and a paddle124. One end of the paddle124connects the sliding positioning member122, and the other end of the paddle124vertically passes through the supporting member119. The paddle124horizontally slides relative to the supporting member119by the sliding positioning member122, such that the second movable member120is limited and can only move between the first position and the second position relative to the first movable member118.

As indicated inFIG. 2A, when the second movable member120is at the first position, the paddle124does not touch the second switch116, and the second switch116is in a power-on state. InFIG. 2B, when the second movable member120moves to the second position from the first position, the paddle124of the second movable member120enables the second switch116to enter a power-off state.

Refer toFIG. 2B. The composite key structure110may further include a stopper130adjacent to the second position. That is, the stopper130is disposed at a position adjacent to the supporting member119but relatively farther away from one end of the shaft117. When the second movable member120is at the second position, the second movable member120and the stopper130interfere with each other and limit the first movable member118to rotate relative to the circuit board112. Even when the user presses the button121, the supporting member119still cannot rotate relative to the shaft117to activate the first switch114.

Refer toFIG. 2B. Suppose that the interference of the stopper130does not exist. Since the second switch116is already in a power-off state and the first switch114is not turned on, the first switch114still cannot be activated to perform wireless setting despite that the button121is pressed by the user.

Referring toFIG. 3, a cross-sectional view of the composite key structure110ofFIG. 2Bis shown. The second switch116is located on the second surface S2of the circuit board112, and the paddle124of the second movable member120vertically passes through the supporting member119and the circuit board112and is protruded above the circuit board112. Therefore, the paddle124can contact and horizontally push the lever115of the second switch116. As disclosed above, the composite key structure110can combine multiple keys as one single key, which only occupies a position on the lower cover104of a wireless mouse. Thus, the quantity of keys can be decreased.

Second Embodiment

FIG. 4Ais a schematic diagram of the bottom of a wireless mouse101according to an embodiment of the invention.FIG. 4Bis an explosion diagram of a wireless mouse101according to an embodiment of the invention. As indicated inFIG. 4AandFIG. 4B, the wireless mouse101includes an upper cover102, a lower cover104and a composite key structure110′. The upper cover102and the lower cover104are assembled as a casing for the user to grip at hand. The composite key structure110′ is interposed between the upper cover102and the lower cover104and is configured to turn on/off the power and perform Bluetooth pairing. The composite key structure110′ of the present embodiment is similar to the composite key structure110of the first embodiment, and identical or similar elements are denoted by the same or similar designations.

As indicated inFIG. 4B, the composite key structure110′ includes a circuit board112, a first switch114, a second switch116, a first movable member118′ and a second movable member120′. The composite key structure110′ of the present embodiment is different from the composite key structure of above embodiments in that: the first movable member118′ can move and rotate relative to the circuit board112, and the second movable member120′ is slidably disposed on the first movable member118′ and can move and rotate along with the first movable member118′. In an embodiment, the first movable member118′ includes an outer frame119A and a supporting member119B. One end of the supporting member119B connects the outer frame119A. The supporting member119B is located inside the outer frame119A, and the supporting member119B can rotate relative to the outer frame119A. That is, when the user presses the button121, the supporting member119B can rotate to activate the first switch114. Besides, the two paddles124of the second movable member120′ are vertically disposed on the supporting member119B. As the first movable member118′ moves, the second movable member120′ can move to the second position from the first position to activate the second switch116.

Refer toFIG. 4B,FIG. 5AandFIG. 5B.FIG. 5AandFIG. 5Brespectively are actuation diagrams of the composite key structure110′ ofFIG. 4B. As indicated inFIG. 5A, when the second movable member120′ is at the first position, the two paddles124of the second movable member120′ are located on the two sides of the second switch116without contacting the second switch116, and the second switch116is in a power-on state. As indicated inFIG. 5B, when the second movable member120′ moves to the second position from the first position, the two paddles124of the second movable member120′ push the lever115of the second switch116and enable the second switch116to enter a power-off state.

Refer toFIG. 5AandFIG. 5B. In the present embodiment, the composite key structure110′ further includes two sliding positioning members122′ disposed on the lower cover104. Being limited by the two sliding positioning members122, the outer frame119A of the first movable member118′ makes the first movable member118′ and the second movable member120′ only move between the first position and the second position along the direction of an axis X.

Referring toFIG. 6, a cross-sectional view of the composite key structure110′ ofFIG. 5Bis shown. The second switch116is located on the second surface S2of the circuit board112, and the two paddles124of the second movable member120′ vertically pass through the circuit board112and are protruded above the circuit board112. Therefore, the two paddles124can contact and horizontally push the lever115of the second switch116and enable the second switch116to enter a power-off state. Similarly, inFIG. 5B, suppose that the interference of the stopper does not exist (FIG. 2B). Since the second switch116is already in a power-off state and the first switch114is not turned on, the first switch114still cannot be activated to perform wireless setting despite that the button121is pressed by the user. As disclosed above, the composite key structure110′ combines multiple keys as one single key, which only occupies a position at the lower cover104of the mouse. Thus, the quantity of keys can be decreased.