JPH1055229A - Portable electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain the portable electronic equipment which can accurately charge its battery even if the battery can not be charged by a commercial power source, etc. SOLUTION: The portable electronic equipment which has the chargeable battery and a charging circuit for the battery and is supposed to use the battery is equipped with an operation device consisting of a pen 1 attached to the equipment and used to operate the equipment through operation including two-dimensional movement and a tablet 6, and also provided with a power generating device which transduces kinetic energy generated by movement with the operation of the above operation device into electric energy and an auxiliary charging circuit which charges the battery with the electric energy obtained by the power generating device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus using a rechargeable battery, such as a mobile phone, for charging a battery separately from a main charging circuit which uses a commercial power supply or the like as a power supply source to charge the battery. The present invention relates to a portable electronic device having an auxiliary charging device for charging.

[0002]

2. Description of the Related Art As shown in FIG. 7, for example, a conventional portable electronic device charges a battery 10 by a charging circuit 73 serving as a power supply source such as a commercial power supply, and connects the charged battery to the device. By doing so, the device can be used even in places where there is no commercial power supply. However, in this state, only the battery is the power supply source, and the battery is discharged while using the device. Further, in a device to which a plurality of batteries can be connected, it is not possible to charge not only a used battery but also an unused (standby) spare battery. There was a problem.

Means for converting mechanical energy into electrical energy by operating a keyboard and charging a battery is disclosed in Japanese Patent Application Laid-Open No. Hei 5-276680, entitled "Power supply for portable electronic equipment having a plurality of key switches". As described above, the present invention relates to a unit capable of generating and charging even a device having no key switch.

[0004]

According to a first aspect of the present invention, electric energy is obtained by kinetic energy generated by a movement accompanying an operation of an operation device for operating a device by an operation including a two-dimensional movement. It is an object of the present invention to provide a portable electronic device capable of accurately charging a battery even when charging with a commercial power supply or the like is impossible.

A second invention uses electric energy for position detection in a cordless pen input tablet as a power generating device, and charges the electric energy to a battery so that it cannot be charged by a commercial power supply or the like. Even in such a case, it is an object of the present invention to obtain a portable electronic device capable of accurately charging a battery.

According to a third aspect of the present invention, as a power generation device, electric power is generated by utilizing the rotational movement of a ball when a mouse is operated, and the electric energy is charged into a battery. It is an object of the present invention to provide a portable electronic device capable of accurately charging a battery even when the portable electronic device cannot be used.

According to a fourth aspect of the present invention, as a power generation device, electric energy is generated by using the motion of a joystick during operation of the joystick, and the electric energy is charged into a battery, so that the electric power is charged by a commercial power supply or the like. It is an object of the present invention to provide a portable electronic device capable of accurately charging a battery even when the portable electronic device cannot be used.

According to a fifth aspect of the present invention, as a power generation device, electric energy is generated by using vertical and horizontal directions and circular motion during operation of a stylus pen, and the electric energy is charged into a battery. An object of the present invention is to provide a portable electronic device that can accurately charge a battery even when charging with a commercial power supply or the like is impossible.

According to a sixth aspect of the present invention, the kinetic energy due to the movement associated with the operation of the button operating device is converted into electric energy by the piezoelectric element, and the electric energy is charged to the battery. Even in such a case, an object is to obtain a portable electronic device that can accurately charge a battery.

[0010]

According to a first aspect of the present invention, there is provided a portable electronic apparatus having a chargeable / dischargeable battery and a charging circuit for the battery, and which is assumed to use a battery. The apparatus includes an operation device attached to the device and operating the device by an operation operation including two-dimensional motion, a power generation device that converts kinetic energy due to the motion accompanying the operation of the operation device into electric energy, and a power generation device. An auxiliary charging circuit for charging the battery with the obtained electric energy is provided.

[0011] In the portable electronic device of the second invention,
The power generation device uses electric energy for position detection in a cordless pen input tablet.

In a portable electronic device according to a third aspect of the present invention,
The power generation device is characterized in that electric energy is generated by utilizing the rotational movement of a ball when a mouse is operated.

In a portable electronic device according to a fourth aspect of the present invention,
The power generation device is characterized in that electric energy is generated by using the motion of a joystick during operation of the joystick.

In a portable electronic device according to a fifth aspect of the present invention,
As a power generation device, the vertical and
The method is characterized in that electrical energy is generated using lateral and circular motions.

According to a sixth aspect of the present invention, there is provided a portable electronic device having a chargeable / dischargeable battery and a charging circuit for charging the battery, wherein the button operation device attached to the device is provided. A piezoelectric element for converting kinetic energy due to the movement accompanying the operation of the button operating device into electric energy, and an auxiliary charging circuit for charging the battery with the electric energy obtained by the piezoelectric element.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1 FIG. FIG. 1 shows an embodiment of a power generator according to the present invention. In FIG. 1, 1 is a pen, 21 is a pen operating direction, 31 is a resonance circuit, 41 is a coil, 51 is a current flow, and 6 is a tablet.

In a device having a cordless pen input tablet, the pen 1 has a built-in resonance circuit 31. The tablet 6 that detects the position of the pen 1 includes:
A horizontal coil 41 that generates a current by resonating the resonance circuit 31 inside the pen 1 is arranged.

When the pen 1 is moved in parallel with the tablet 6 on the tablet 6, the resonance circuit 31 inside the pen 1 resonates with the horizontal coil 41 inside the tablet 6, and the horizontal coil 41 resonates with the current 51 for position detection. Flows. This current 51
Is originally used only for detecting the position of the pen 1, but it can be used as a power generation device by using the surplus current after the position detection as a power generation source.

FIG. 2 shows an embodiment of the charging device according to the present invention. In FIG. 2, 71 is a charging circuit (1), 72 is a charging circuit (2), 81 and 82 are rectifier circuits, 91 and 92 are backflow prevention diodes, and 10 is a chargeable / dischargeable secondary battery.

The battery 10 is charged by rectifying the current generated by the power generator of FIG. 1 by the rectifier circuits 81 and 82 and supplying the rectified current to the charging circuit (2): 71.

The movement of the pen 1 on the tablet 6 includes a two-dimensional movement of moving back and forth and left and right in a plane parallel to the tablet 6, and is merely a reciprocating movement as in a conventional keyboard. Compared to the dimensional movement, various movements can be expected, and accurate electric energy can be reliably obtained.

As described above, by using the power generating / charging device according to the first embodiment, the charging circuit (1): 72 using the commercial power supply or the like is disconnected, and even when only the battery is used, the equipment can be used. By utilizing the electric power obtained by detecting the position of the pen 1 at the time of use, power generation and charging can be achieved, and the effect of reducing battery discharge can be obtained. Furthermore, in a device to which a plurality of batteries can be connected, when one battery is used and another battery is used as a spare battery, the spare battery can be charged and the capacity is reduced due to self-discharge or the like. The effect of preventing is obtained.

Embodiment 2 FIG. FIG. 3 shows another embodiment of the power generator according to the present invention. In FIG. 3, 11 is a mouse, 12 is a ball, 13 is a rotor for position detection, 14 is a magnet, 15 is a coil, and 22 is a rotor 13.
It shows the movement of.

In the mouse 11, the rotor 13 rotates according to the movement of the ball 12 inside. At this time, the magnet 14 is attached to the shaft of the rotor, and the coil 15 is arranged around the magnet, so that a current corresponding to the movement of the ball 12 flows through the coil 15.

The electric current generated by the movement of the ball 12 is transferred to a charging device (2) according to the present invention shown in FIG.
, The same operation and effect as in the first embodiment can be obtained.

The movement of the mouse 11 on the moving surface includes a two-dimensional movement of moving back and forth and left and right, and is compared with a one-dimensional movement which is a simple reciprocating movement as in a conventional keyboard. Various movements can be expected, and accurate electric energy can be reliably obtained.

Embodiment 3 FIG. 4 shows another embodiment of the power generator according to the present invention. In FIG. 4, 14 is a magnet, 15 is a coil, 16 is a joystick, and 23 is the movement of the stick.

By operating the joystick 16,
The detection unit of the stick 16 repeatedly performs a horizontal motion as indicated by an arrow 23 and a motion perpendicular to the horizontal direction and perpendicular to the drawing. At this time, the magnet 1
4, the coils 15 arranged around the detection unit
And an electric current flows in response to the operation of the joystick 16.

The current generated by this power generator is shown in FIG.
By supplying the battery to the charging device (2) according to the present invention shown in FIG.

The movement of the joystick 16 includes a two-dimensional movement of moving back and forth and right and left, and is more diverse than a one-dimensional movement which is a simple reciprocating movement as in a conventional keyboard. , And accurate electrical energy can be reliably obtained.

Embodiment 4 FIG. FIG. 5 shows another embodiment of the power generator according to the present invention. In FIG. 5, 14 is a magnet, 15 is a coil, 17 is a pen, and 18 is a vibrator.

In the first embodiment shown in FIG. 1, electric power is generated by the resonance between the resonance circuit inside the pen and the horizontal coil inside the tablet. In the fourth embodiment, as shown in FIG. By disposing the vibrator 18 inside the pen 17, the vibrator 18 reciprocates according to the movement of the pen 17. At this time, if the magnet 14 is attached to the tip of the vibrator 18 and the peripheral coil 15 of the vibrator 18 is arranged, an electromotive force is generated in the coil 15 in accordance with the movement of the pen 17 and current flows.

The current 55 generated by this power generator is
The same operation and effect as in the first embodiment can be obtained by supplying the battery to the charging device (2): 72 according to the present invention.

The movement of the pen 17 on the tablet includes a two-dimensional movement of moving back and forth and right and left in a plane parallel to the tablet, and is a one-dimensional movement that is a simple reciprocating movement as in a conventional keyboard. Various movements can be expected as compared to proper movements, and accurate electric energy can be reliably obtained.

Embodiment 5 FIG. FIG. 6 shows another embodiment of the power generator according to the present invention. 19 is a button, 20 is a piezoelectric element.

In a device such as a push switch that performs a button operation, the switch detects that the button 19 has been pressed. If the piezoelectric element 20 is used instead of the detection switch, when the button is pressed, a current 58 flows according to the stress.

The same operation and effect as in the first embodiment can be obtained by supplying this electric current to the charging device (2) 72 according to the present invention shown in FIG. 2 at the same time as detecting that the button is pressed. be able to.

[0038]

According to the first aspect of the present invention, electric energy is obtained by kinetic energy due to the movement accompanying the operation of the operating device for operating the device by operating operation including two-dimensional movement, and this is charged to the battery. As a result, a portable electronic device that can accurately charge a battery even when charging with a commercial power supply or the like is impossible can be obtained.

According to the second aspect of the present invention, as the power generation device, electric energy for position detection in a cordless pen input tablet is used, and the electric energy is charged to a battery, and the electric power is charged by a commercial power supply or the like. It is possible to obtain a portable electronic device that can accurately charge the battery even when the charging is not possible.

According to the third aspect of the present invention, as a power generation device, electric power is generated by using the rotational movement of a ball when a mouse is operated, and the electric energy is charged into a battery. A portable electronic device capable of accurately charging a battery even when charging by a portable electronic device is not possible.

According to the fourth aspect of the present invention, as a power generation device, electric energy is generated by using the motion of a joystick when the joystick is operated, and the electric energy is charged into a battery, so that a commercial power source or the like is used. A portable electronic device capable of accurately charging a battery even when charging by a portable electronic device is not possible.

According to the fifth aspect of the present invention, as the power generation device, electric energy is generated by utilizing the vertical, horizontal, and circular motions when the stylus pen is operated, and the electric energy is charged into the battery. Thus, even when charging with a commercial power supply or the like is impossible, it is possible to obtain a portable electronic device that can accurately charge a battery.

According to the sixth aspect, the kinetic energy due to the movement accompanying the operation of the button operating device is converted into the electric energy by the piezoelectric element, and the electric energy is charged to the battery, so that the charging by the commercial power supply or the like can be performed. Even in the case where it is impossible, a portable electronic device capable of accurately charging a battery can be obtained.

[Brief description of the drawings]

FIG. 1 is a schematic view showing a power generator according to an embodiment of the present invention.

FIG. 2 is a schematic diagram showing a charging device according to an embodiment of the present invention.

FIG. 3 is a schematic diagram showing a power generator according to another embodiment of the present invention.

FIG. 4 is a schematic diagram showing a power generator according to another embodiment of the present invention.

FIG. 5 is a schematic diagram showing a power generator according to another embodiment of the present invention.

FIG. 6 is a schematic diagram showing a power generator according to another embodiment of the present invention.

FIG. 7 is a schematic diagram showing a conventional charging device.

[Explanation of symbols]

1 pen, 6 tablet, 10 battery, 11 mouse, 12 ball, 13 position detecting rotator, 14 magnet, 15 coil, 16 joystick, 17 pen, 18 vibrator, 19 button, 20 piezoelectric element, 7
1 charging circuit (1), 72 charging circuit (2), 81.8
2 Rectifier circuit, 91/92 Backflow prevention diode.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification number Agency reference number FI Technical indication location G06F 15/02 305 G06F 15/02 305B H02J 7/00 H02J 7/00 B

Claims (6)

[Claims] 1. A portable electronic device having a chargeable / dischargeable battery and a charging circuit for the battery, which is assumed to use a battery, and is provided with the device and includes an operation operation including a two-dimensional motion. A power generating device that converts kinetic energy due to motion accompanying the operation of the operating device into electric energy, and an auxiliary charging circuit that charges a battery with the electric energy obtained by the power generating device. Portable electronic device characterized by the above-mentioned. 2. The portable electronic device according to claim 1, wherein the power generation device uses electric energy for position detection in a cordless pen input tablet. 3. The portable electronic device according to claim 1, wherein the power generation device generates electric energy by using a rotational movement of a ball when a mouse is operated. 4. The portable electronic device according to claim 1, wherein the power generation device generates electric energy by using the motion of the joystick when the joystick is operated. 5. The portable electronic device according to claim 1, wherein the power generation device generates electric energy using vertical and horizontal directions and a circular motion when the stylus pen is operated. 6. A portable electronic device having a chargeable / dischargeable battery and a charging circuit for charging the battery, provided with a button operation device attached to the device, wherein the button operation is performed. A portable electronic device, comprising: a piezoelectric element for converting kinetic energy due to a movement accompanying operation of the device into electric energy; and an auxiliary charging circuit for charging a battery with the electric energy obtained by the piezoelectric element.