JP2008278001A - Electronic apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electronic apparatus mounted with a solar battery in which a solar battery panel can be disposed in a direction at such an angle that efficient photodetection can be performed within a prescribed time. <P>SOLUTION: A mobile phone 1 includes a display-unit side case 3 mounted with the solar battery panel 90; an operation-unit side case 2 coupled to the display-unit side case 3 to freely be opened and closed; an encoder 123 which detects the opening/closing angle of the display-unit side case 3 and operation-unit side case 2; a GPS unit 121 which measures the position of the mobile phone 1; a direction sensor 122 which measures the direction of the mobile phone 1 at a prescribed position; a timer unit 125 which acquires date and time information; an operation unit 106 which inputs a photodetection time for which the solar battery panel 90 photodetects light; and a CPU 100 which calculates a target opening/closing angle and a target direction suitable for the photodetection of the solar battery panel 90 on the basis of the photodetection time, position and date and time information. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an electronic apparatus such as a mobile communication device such as a mobile phone or a simple mobile phone and a PDA (Personal Digital Assistant). In particular, the present invention relates to an electronic device on which a solar cell panel is mounted.

  In recent years, electronic devices have been proposed in which a solar cell panel is mounted on an electronic device such as a mobile phone and energy obtained by receiving sunlight is converted into electric power. An electronic device equipped with a solar cell panel can be easily charged by causing the solar cell panel to receive sunlight, thereby preventing troubles caused by running out of the battery.

  However, there is a problem that charging in a short time is difficult because a charging function in a solar cell panel mounted on an electronic device is not sufficient. In such a situation, it is required to cause the solar panel to receive sunlight as efficiently as possible.

  On the other hand, by attaching a transparent solar cell panel to the liquid crystal display unit, a mobile phone has been proposed in which the light receiving area is widened to improve the charging efficiency and the design is considered (for example, see Patent Document 1). ).

In addition, there has been proposed a mobile phone in which a solar cell panel is arranged at a position where light is easily received during use such as a telephone call (for example, see Patent Document 2).
Japanese Patent Laid-Open No. 2005-136531 JP 2006-229741 A

  However, in the inventions disclosed in Patent Document 1 and Patent Document 2, the solar panel cannot receive light under efficient conditions according to the position and date of the mobile phone. Furthermore, the solar cell panel cannot be arranged so as to have an orientation and an angle at which light can be received most efficiently within a predetermined charging time. In particular, it is difficult for small electronic devices such as cellular phones to house and dispose a mechanism including a motor that changes the orientation of the solar cell panel following the movement of the sun, such as a large power generator. For this reason, there has been no electronic device having a function of increasing the light receiving efficiency of the solar cell panel by setting the azimuth and angle according to the light receiving position and time.

  An object of the present invention is to provide an electronic device on which a solar cell is mounted, and in which a solar cell panel can be arranged at an orientation and an angle that allow efficient light reception within a predetermined time.

  The present invention is an electronic device having a solar cell panel, wherein the first housing in which the solar cell panel is mounted, a second housing that is openably and closably connected to the first housing, and the first An angle detecting means for detecting an opening / closing angle formed by the housing and the second housing, a position measuring means for measuring the position of the electronic device, and an orientation measuring means for measuring the orientation at a predetermined part of the electronic device; Date and time information acquisition means for acquiring date and time information, light reception time input means for inputting a light reception time to be received by the solar battery panel, the solar cell panel based on the light reception time, the position of the electronic device, and date and time information The present invention relates to an electronic apparatus including a calculation unit that calculates a target opening / closing angle and a target direction suitable for light reception.

  In addition, it is preferable that the first casing and the second casing are connected to each other through a hinge mechanism so that the first casing and the second casing can be opened and closed, and the angle detection unit is an encoder disposed in the hinge mechanism.

  The first casing and the second casing are connected to each other via a hinge mechanism so that the first casing and the second casing can be opened and closed. The hinge mechanism includes a first portion that is continuous with the first casing, and the second casing. And the second part arranged side by side with the first part in the opening / closing axis direction of the hinge mechanism, and the angle detection means is formed on one of the first part and the second part. It is preferable to have an angle reference portion and an open / close angle scale formed on the other.

  Moreover, it is preferable to further include an azimuth display means for displaying the target azimuth.

  Moreover, it is preferable that the said direction display means can display the magnitude | size of the difference of the said target direction and the said measurement direction.

  Moreover, it is preferable to further comprise angle display means for displaying the target opening / closing angle.

  Moreover, it is preferable that the said angle display means can display the magnitude | size of the difference of the said target opening / closing angle and the said measurement opening / closing angle.

  The present invention can provide an electronic device on which a solar cell is mounted, in which the solar cell panel can be arranged at an orientation and an angle that allow efficient light reception within a predetermined time.

  The best mode for carrying out the present invention will be described below with reference to the drawings. Hereinafter, although the mobile phone 1 will be described as an electronic device, the present invention is not limited to this. For example, it may be a PHS (Personal Handyphone System), a PDA (Personal Digital Assistant), a portable navigation device, a notebook personal computer, or the like.

  Further, in the present embodiment, description will be made using the mobile phone 1 that is a uniaxial folding type by the connecting portion 4, but the present invention is not limited to this. The mobile phone 1 may be a so-called biaxial folding type.

  The basic structure of the mobile phone 1 as an electronic device will be described with reference to FIGS. FIG. 1 is an external perspective view of the mobile phone 1 as viewed from the operation key group 11 side. FIG. 2 is an external perspective view of the display unit side body 3 in the mobile phone 1 as viewed from the rear panel 3d side.

  As shown in FIGS. 1 and 2, the mobile phone 1 is an electronic device having a solar cell panel 90. The mobile phone 1 includes a solar cell panel 90 that can convert solar energy obtained from sunlight into electric power. The mobile phone 1 includes an operation unit side body 2 and a display unit side body 3 on which a solar cell panel 90 is mounted. The display unit side housing 3 as the first housing and the operation unit side housing 2 as the second housing are connected so as to be openable and closable via a connecting portion 4 having a hinge mechanism. Specifically, the upper end portion of the operation unit side body 2 and the lower end portion of the display unit side body 3 are connected via a connecting portion 4. Thereby, the cellular phone 1 can relatively move the operation unit side body 2 and the display unit side body 3 which are connected via the hinge mechanism. That is, in the mobile phone 1, the operation unit side body 2 and the display unit side body 3 are in an open state (open state), or the operation unit side body 2 and the display unit side body 3 are folded. State (closed state).

  Here, the closed state is a state in which both housings are arranged so as to overlap each other, and the open state is a state in which both housings are arranged so as not to overlap each other.

  The outer surface of the operation unit side body 2 includes a front case 2a and a rear case 2b. The operation unit side body 2 includes, on the front case 2a side, an operation key group 11 constituting light receiving time input means, and a voice input unit as a microphone to which a voice uttered by a user of the mobile phone 1 is input. 12 and the LED display part 150 which comprises an azimuth | direction display means and an angle display means are comprised so that it may each expose.

  Here, the operation key group 11 is a function setting operation key 13 for operating various settings, various functions such as a telephone directory function and a mail function, and an input operation for inputting a telephone number and characters such as mail. The key 14 is composed of a determination operation key 15 as an operation member for performing determination in various operations, scrolling up and down, left and right, and the like. Each key constituting the operation key group 11 has a predetermined function according to the open / close state of the operation unit side body 2 and the display unit side body 3, various modes, or the type of the activated application. Assigned (key assignment). Then, when the user presses each key, an operation corresponding to the function assigned to each key is executed. Specifically, the light reception time can be input by the input operation key 14. Further, the light reception time can be changed or determined by the operation determination key 15.

  The voice input unit 12 is disposed on the outer end side opposite to the connection unit 4 side in the longitudinal direction of the operation unit side body 2. That is, the voice input unit 12 is arranged on one outer end side when the mobile phone 1 is in the open state.

  The LED display unit 150 is disposed so as to surround the voice input unit 12 on the end side opposite to the connection unit 4 of the operation unit side body 2. The LED display unit 150 displays four arrows indicating up, down, left, and right directions in a light-emitting manner. The display on the LED display unit 150 can emit an arrow continuously or blink. Further, the blinking interval in this blinking display can be changed as appropriate.

  The arrow displayed on the LED display unit 150 includes azimuth display units 151a and 151b indicating the left-right direction and angle display units 152a and 152b indicating the vertical direction. These display modes will be described in detail later.

  An interface (not shown) for communicating with an external device (for example, a host device) is disposed on one side surface of the operation unit side body 2, and the interface is covered with a cap 16. . On the other side surface of the operation unit side body 2, a side key 30 to which a predetermined function is assigned and an interface (not shown) for inserting and removing an external memory are arranged. Is covered with a cap 31.

  The outer surface of the display unit side body 3 includes a front case 3b and a rear case 3c. The front case 3b in the display unit side body 3 is configured to expose a display unit 21 for displaying various types of information and an audio output unit 22 as a receiver for outputting the voice of the other party of the call. The Here, the display unit 21 includes a liquid crystal panel, a drive circuit that drives the liquid crystal panel, and a light source unit such as a backlight that emits light from the back side of the liquid crystal panel. Here, the display unit 21 also functions as an orientation display unit and an angle display unit.

  Further, the rear case 3c in the display unit side body 3 is provided with a solar cell panel 90 for converting solar energy into electric power and a speaker unit 24. The solar cell panel 90 is disposed in a manner capable of receiving sunlight on the surface of the rear case 3c of the display unit side body 3. The solar cell panel 90 is disposed so as to face an orientation suitable for light reception by changing the orientation of the mobile phone 1. Moreover, the solar cell panel 90 can adjust the light reception angle with respect to sunlight by adjusting the opening-and-closing angle of the display part side housing | casing 3. FIG. A slide key 32 is disposed on one side surface of the display unit side body 3.

  Next, the internal structures of the operation unit side body 2 and the display unit side body 3 will be described with reference to FIGS. 3 and 4. FIG. 3 is an exploded perspective view of members built in the operation unit side body 2. FIG. 4 is an exploded perspective view of members built in the display unit side body 3.

  As shown in FIG. 3, the operation unit side body 2 includes a front case 2a, a key sheet 40 constituting the operation key group 11, a flexible wiring board 50, a case body 60, a reference potential pattern layer, and a mobile phone. Circuit board 70 provided with various electronic components such as a radio frequency (RF) module, a voice input unit 12, a rear case 2b provided with a battery lid 2c, and a battery 80.

  The front case 2a and the rear case 2b are disposed such that the concave inner surfaces face each other, and are joined so that the outer peripheral edges thereof overlap each other. In addition, the key sheet 40, the flexible wiring board 50, the case body 60, and the circuit board 70 are built in between the front case 2a and the rear case 2b. That is, the case body 60 is laminated so as to cover the circuit board 70, the flexible wiring board 50 is laminated on the upper surface side of the case body 60, and the key sheet 40 is laminated on the upper surface of the flexible wiring board 50. Be placed.

  In the front case 2a, key holes 13a, 14a, and 15a are formed on the inner surface of the front case 2a facing the display unit 21 of the display unit side body 3 in a state in which the cellular phone 1 is folded. From each of the key holes 13a, 14a, 15a, pressing surfaces of the function setting operation key 13, the input operation key 14, and the determination operation key 15 formed on the key sheet 40 are exposed. By pressing the exposed function setting operation key 13, input operation key 14, and determination operation key 15 so as to depress, the metal dome (which is described below) provided in each corresponding key switch 51, 52, 53. The top of the shape is pressed, and comes into contact with the switch terminal to conduct electricity. Further, an LED hole 155a is formed in the front case 2a. The LED display unit 150 in the LED display unit module 155 is exposed from the LED hole 155a.

  The key sheet 40 is configured by attaching the function setting operation key 13, the input operation key 14, and the determination operation key 15 to the surface of a silicon rubber sheet 41 with an adhesive. The function setting operation key 13, the input operation key 14, and the determination operation key 15 are arranged at positions facing the key switches 51, 52, and 53 on the flexible wiring board 50, and the key hole 13a formed in the front case 2a, It arrange | positions so that it may be exposed from 14a, 15a.

  The flexible wiring board 50 has a plurality of key switches 51, 52, 53 on the surface on the front case 2 a side, and is placed on the flat plate portion 61 in the case body 60. The key switches 51, 52, and 53 of the flexible wiring board 50 have a structure having a metal dome of a metal plate that is curved in a bowl shape and is three-dimensionally formed. When the apex of the bowl-shaped shape is pressed, the metal dome comes into contact with a switch terminal formed on an electric circuit (not shown) printed on the surface of the flexible wiring board 50 and is electrically connected. The flexible wiring board 50 is obtained by sandwiching wiring between a plurality of insulating films.

  The case body 60 functions as a shield case and is attached in a state of being placed on the circuit board 70. Specifically, it is attached on the circuit board 70 in a state where the bottom surface of the rib 62 as a partition formed on the outer edge or the like of the case body 60 is in contact.

  Various electronic components (not shown) are arranged on the circuit board 70. Various electronic components form a plurality of circuit blocks by a predetermined combination. For example, various circuit blocks including an RF (Radio Frequency) circuit, a power supply circuit, an audio processing circuit, an image processing circuit, a control circuit, and the like are formed. The circuit board 70 and the case body 60 are partially fixed in a detachable manner at the plurality of connecting portions A.

  The rear case 2b is provided with a detachable battery lid 2c. After the battery 80 is accommodated from the outside of the rear case 2b, it is attached to the rear case 2b. Further, the rear case 2b accommodates a voice input unit 12 for inputting the user's voice.

  As shown in FIG. 4, the display unit side body 3 includes a front panel 3a, an audio output unit 22, a front case 3b, a speaker 23, a display unit 21, and a printed circuit board 85 to which the display unit 21 is connected. A rear case 3c, a rear panel 3d, and a solar cell panel 90. Further, the rear panel 3d is provided with an opening 92 for exposing the solar cell panel 90 and a speaker unit 24 for generating sound output from the speaker 23 to the outside.

  In the display unit side body 3, the front panel 3a, the front case 3b, the display unit 21, the printed circuit board 85, the rear case 3c, the solar cell panel 90, and the rear panel 3d are arranged in a stacked manner. . Specifically, the front case 3b and the rear case 3c are arranged so that the inner surfaces of the concave shapes face each other, and are joined so that the outer peripheral edges thereof overlap each other.

  A printed circuit board 85 to which the display unit 21 is connected is sandwiched between the front case 3b and the rear case 3c. A speaker 23 connected to an amplifier (not shown) is connected to the printed board 85. The speaker 23 outputs an amplified voice, a warning sound, etc. when the mobile phone 1 shifts to the hands-free mode.

  A solar cell panel 90 is housed and disposed between the rear case 3c and the rear panel 3d so as to be exposed from the opening 92 of the rear panel 3d. The solar cell panel 90 converts solar energy into electric power. The electric power obtained by the solar cell panel 90 is charged to the battery 80 via the power supply circuit unit 104 described later.

  Here, the encoder 123 is accommodated in the connecting portion 4. Specifically, the encoder 123 is arranged in a hinge mechanism arranged in the connecting portion 4. The encoder 123 measures the opening / closing angle between the operation unit side body 2 and the display unit side body 3. As the encoder 123, a photoelectric encoder or a magnetic encoder can be used.

  Next, the configuration of the mobile phone 1 will be described with reference to FIG. FIG. 5 is a block diagram illustrating the configuration of the mobile phone 1. As shown in FIG. 5, the mobile phone 1 includes a CPU 100, an RF (Radio Frequency) circuit unit 101, an audio processing unit 102, a memory unit 103, a power circuit unit 104, an image processing unit 105, an operation unit 106, a battery 80, a sun, and the like. It has a battery panel 90, a GPS unit 121, a direction sensor 122, an encoder 123, a clock unit 125, and an LED display unit.

  The RF circuit unit 101 performs a wireless communication operation via a base station (not shown), such as a telephone number calling operation and an e-mail transmission / reception operation. The RF circuit unit 101 includes a transmission / reception antenna 109. The RF circuit unit 101 modulates voice information, image information, electronic mail, and the like processed by a CPU 100 to be described later for wireless communication using radio waves. Transmit to a station (not shown). In the present embodiment, the transmission / reception antenna 109 is built in the operation unit side body 2 and is not exposed to the outside of the operation unit side body 2 in FIG.

  The audio processing unit 102 includes an audio input unit 12, an audio output unit 22, and a speaker 23. The voice input unit 12 supplies the collected user voice to the voice processing unit 102. The sound collected by the sound input unit 12 is converted from an analog sound signal to a digital sound signal by the sound processing unit 102. The converted digital audio signal is subjected to predetermined processing such as filter processing and encoding processing in the CPU 100. The voice processing unit 102 performs predetermined processing on digital voice information such as ringtone data supplied by the CPU 100 to convert it into an analog voice signal and output it from the voice output unit 22. The speaker 23 outputs the analog audio signal amplified by the audio processing unit 102 for the hands-free mode as audio.

  The memory unit 103 includes a non-volatile memory such as an EEPROM, and stores a control program for sending and receiving calls and mails, an Internet browser, message data, an address book in which names, telephone numbers, and the like are registered. Further, the memory unit 103 may include a DB that can identify the azimuth and elevation angle of the sun based on position information including latitude and longitude information and date / time information including date and time information.

  The power supply circuit unit 104 is electrically connected to the battery 80 and the solar cell panel 90. The power supply circuit unit 104 adjusts the power from the battery 80 to be constant, and charges the battery 80 with the power obtained by the solar cell panel 90.

  The solar battery panel 90 is configured by a plurality of solar battery cells 91. The solar cell panel 90 can convert solar energy into electric power. The electric power obtained by the solar cell panel 90 is charged to the battery 80 via the power supply circuit unit 104 as described above.

  The solar cell panel 90 is arranged so as to be perpendicular to sunlight and has a higher power generation efficiency as it receives light. That is, the solar cell panel 90 is preferably arranged with its orientation adjusted so as to face the sun, and is preferably arranged with its elevation angle adjusted so as to face the sun. The orientation of the solar cell panel 90 can be adjusted by changing the orientation of the mobile phone 1. Moreover, the elevation angle of the solar cell panel 90 can be adjusted by changing the opening / closing angle.

  Here, the target orientation and the target opening / closing angle are calculated by the CPU 100 described later. More specifically, the CPU 100 calculates the target azimuth and target opening / closing angle of the solar battery panel 90 that can receive sunlight most efficiently within a predetermined light reception time. The solar cell panel 90 is adjusted to have a target orientation and a target opening / closing angle. The target azimuth and the target opening / closing angle are displayed on the display unit 21 and the LCD display unit 150 described later. Based on the target azimuth and target opening / closing angle displayed on the display unit 21 and the LCD display unit 150, the azimuth and opening / closing angle are adjusted.

  The image processing unit 105 is connected to the display unit 21. The display unit 21 includes a display device such as a liquid crystal display (LCD), and displays, for example, e-mail text and various texts stored in the memory unit 103. The image processing unit 105 processes various data obtained by the user operating the operation unit 106 so that the data can be displayed, and causes the display unit 21 to display the data.

  The operation unit 106 includes various operation key groups 11. Each key constituting the operation key group 11 has a predetermined function according to the open / close state of the operation unit side body 2 and the display unit side body 3, various modes, or the type of the activated application. When the user presses each key, the operation corresponding to the function assigned to each key is executed. Further, as described above, the operation unit 106 functions as a light reception time input unit that inputs the light reception time of the solar battery panel 90. The light reception time may be input by designating a time from the present time, or may be inputted by designating two times.

  The clock unit 125 as the date / time information acquisition unit acquires date / time information (year / month / day / hour / minute / second) at a predetermined time.

  The GPS unit 121 as a position measuring unit has a GPS (Global Positioning System) function. The GPS unit 121 measures the latitude and longitude of the mobile phone 1. Specifically, the GPS unit 121 measures the distance to the satellite by receiving radio waves from a plurality of satellites orbiting the earth, and measures the position of the mobile phone 1 by the triangular intersection method. Information on the measurement position measured by the GPS unit 121 is output to the CPU 100.

  The direction sensor 122 as the direction measuring means measures the direction of the solar cell panel 90. The direction sensor 122 does not need to be disposed on the solar cell panel 90, and may be disposed at a position where the direction changes integrally with the solar cell panel 90. The direction sensor 122 includes a magnetic sensor (not shown), and measures the direction by detecting geomagnetism using the magnetic sensor. Information on the measurement direction measured by the direction sensor 122 is output to the CPU 100.

  The encoder 123 measures an opening / closing angle formed between the operation unit side body 2 and the display unit side body 3. Information on the measured opening / closing angle measured by the encoder 123 is output to the CPU 100.

  The CPU 100 is mainly composed of a microcomputer and controls the entire mobile phone 1. In addition to functioning as a calculation unit to be described later, the CPU 100 controls various transmission and reception of various information in the RF circuit unit 101, controls such as output conversion of audio information, controls related to information display on the display unit 21, and input information of the operation unit 106 Control of the processing etc. according to.

  The CPU 100 as the calculation means is based on the light reception time information, the position information including the latitude and longitude of the mobile phone 1, and the date information including the date and time, and a target opening / closing angle suitable for light reception of the solar cell panel 90. And the target orientation are calculated.

  CPU 100 calculates, as the target opening / closing angle and the target azimuth, the opening / closing angle and azimuth at which solar panel 90 can receive light most efficiently through the light receiving time, not the most efficient opening / closing angle and azimuth at the light reception start time.

  Specifically, the CPU 100 calculates the position of the sun and the positional relationship between the sun and the mobile phone 1 based on the position information and the date / time information. Further, the CPU 100 calculates an opening / closing angle and direction that can be most efficiently received through the light reception time based on the light reception time information. In this way, the CPU 100 calculates the target opening / closing angle and the target azimuth.

  Here, the display unit 21 also functions as an angle display unit and an opening / closing angle display unit as described above. Specifically, the calculated target opening / closing angle and target azimuth can be displayed as figures such as numerical values and arrows. Here, the display mode is not limited as long as the display mode can understand the contents of the target opening / closing angle and the target direction.

  Similar to the display unit 21, the LED display unit 150 functions as an angle display unit and an opening / closing angle display unit. The LED display unit 150 displays four arrows indicating up, down, left, and right directions in a light-emitting manner. As described above, the display on the LED display unit 150 can cause the arrows to continuously emit light or blink. Further, the blinking interval in this blinking display can be changed as appropriate. The arrow displayed on the LED display unit 150 includes azimuth display units 151a and 151b indicating the left-right direction and angle display units 152a and 152b indicating the vertical direction.

  The azimuth display units 151a and 151b are displayed according to a difference between a target azimuth and a measurement azimuth described later. Specifically, when the target azimuth and the measurement azimuth are the same or have a slight difference, the azimuth display units 151a and 151b are not lit and displayed. When the difference between the target azimuth and the measurement azimuth is greater than or equal to a predetermined value, the azimuth display units 151a and 151b are lit and displayed.

  More specifically, light can be emitted with different light intensities depending on the magnitude of the difference between the target orientation and the measurement orientation. When the difference between the target azimuth and the measurement azimuth is large, the azimuth display units 151a and 151b emit strong light, and when the difference between the target azimuth and the measurement azimuth is small, the azimuth display units 151a and 151b emit light weakly. Here, the lighting state can be displayed differently depending on the magnitude of the difference between the target azimuth and the measurement azimuth. For example, when the difference between the target azimuth and the measurement azimuth is large, the azimuth display units 151a and 151b are displayed. Can be continuously emitted or lighted at a short interval for light emission display, and when the difference between the target direction and the measurement direction is small, the direction display portions 151a and 151b can be lighted at a long interval for light emission display. it can.

  Further, the angle display sections 152a and 152b are displayed according to a difference between a target azimuth and a measurement azimuth described later. Specifically, when the target opening / closing angle and the measured opening / closing angle are the same or slightly different, the angle display portions 152a and 152b are not lit and displayed. When the difference between the target opening / closing angle and the measured opening / closing angle is greater than or equal to a predetermined value, the angle display portions 152a and 152b are displayed in a light-emitting manner.

  More specifically, it is possible to emit light with different light intensities according to the magnitude of the difference between the target opening / closing angle and the measured opening / closing angle. When the difference between the target opening / closing angle and the measurement opening / closing angle is large, the angle display units 152a and 152b emit strong light, and when the difference between the target opening / closing angle and the measurement opening / closing angle is small, the angle display units 152a and 152b emit weak light. Let Here, the lighting state can be displayed differently depending on the magnitude of the difference between the target opening / closing angle and the measured opening / closing angle. For example, when the difference between the target opening / closing angle and the measuring opening / closing angle is large, the angle display When the difference between the target opening / closing angle and the measurement opening / closing angle is small, the angle display parts 152a and 152b are lighted at a long interval. Can also be displayed.

  Subsequently, the operation of the mobile phone 1 will be described with reference to FIGS. FIG. 6 shows a flowchart for explaining the basic procedure up to the start of light reception by the solar cell panel 90. FIG. 7 shows a flowchart for explaining the procedure for directing the mobile phone 1 toward the target direction. FIG. 8 is a flowchart illustrating a procedure for adjusting the mobile phone 1 to the target opening / closing angle.

  As shown in FIG. 6, first, the user inputs a charging (light receiving) start time and a charging (light receiving) time using the operation unit 106 (ST1). When the charging (light reception) start time and the charging (light reception) time are input by the user, the clock unit 125 acquires the current date and time information, and the GPS unit 121 acquires the current position information (ST2).

  Next, the CPU 100 calculates a target opening / closing angle and a target azimuth from the acquired date information and position information (ST3). The target opening / closing angle and target orientation calculated by the CPU 100 are displayed on the display unit 21 (ST4).

  Subsequently, the direction sensor 122 measures the current direction. In addition, the encoder 123 measures the current opening / closing angle (ST5). Then, the CPU 100 calculates the difference between the target azimuth and the measurement azimuth measured by the azimuth sensor 122, and calculates the difference between the target opening / closing angle and the measured opening / closing angle measured by the encoder 123 (ST6).

  The LED display unit 150 causes the azimuth display units 151a and 151b to emit light according to the difference between the target azimuth calculated by the CPU 100 and the measurement azimuth. Specifically, the intensity of light emission in the azimuth display units 151a and 151b is changed according to the magnitude of the difference between the target azimuth and the measurement azimuth. Similarly, the LED display unit 150 causes the angle display units 152a and 152b to emit light according to the magnitude of the difference between the target opening / closing angle calculated by the CPU 100 and the measured opening / closing angle. Specifically, the intensity of light emission in the angle display sections 152a and 152b is changed according to the difference between the target opening / closing angle and the measured opening / closing angle (ST7).

  In accordance with the display on the LED display unit 150, the user adjusts the orientation of the mobile phone 1 to adjust the azimuth, and adjusts the open / close state to adjust the open / close angle (ST8). Thus, by adjusting the azimuth and opening / closing angle to the target azimuth and target opening / closing angle, the solar cell panel 90 arranged in the mobile phone 1 is charged most efficiently (light reception) in the above-described charging (light reception) time. Can do.

With reference to FIG. 7, a procedure for directing the mobile phone 1 toward the target direction will be described. Here, K1 and K2 below are positive values in a relationship of K1> K2.
As shown in FIG. 7, first, when the magnitude of the difference between the target azimuth and the measurement azimuth (target azimuth-measurement azimuth) is equal to or greater than a predetermined value K1, the azimuth display unit 151a is highlighted (ST101). . If the magnitude of the difference between the target azimuth and the measurement azimuth (target azimuth—measurement azimuth) is not equal to or greater than the predetermined value K1, the process proceeds to the next step.

  Next, when the magnitude of the difference between the target azimuth and the measurement azimuth (target azimuth-measurement azimuth) is equal to or less than a predetermined value -K1, the azimuth display unit 151b is highlighted (ST102). If the magnitude of the difference between the target azimuth and the measurement azimuth (target azimuth−measurement azimuth) is not equal to or less than the predetermined value −K1, the process proceeds to the next step.

  Subsequently, when the magnitude of the difference between the target azimuth and the measurement azimuth (target azimuth−measurement azimuth) is larger than the predetermined value −K2 and smaller than the predetermined value K2, the azimuth display units 151a and 151b do not emit light ( ST103). If the magnitude of the difference between the target azimuth and the measurement azimuth (target azimuth−measurement azimuth) is not within the above range, the process proceeds to the next step.

  When the magnitude of the difference between the target azimuth and the measurement azimuth (target azimuth−measurement azimuth) is equal to or greater than a predetermined value K2, the azimuth display unit 151a emits light weakly (ST104). If the magnitude of the difference between the target azimuth and the measurement azimuth (target azimuth—measurement azimuth) is not equal to or greater than the predetermined value K2, the process proceeds to the next step.

  When the magnitude of the difference between the target azimuth and the measurement azimuth (target azimuth−measurement azimuth) is equal to or smaller than a predetermined value −K2, the azimuth display unit 151b emits light weakly (ST105). When the magnitude of the difference between the target azimuth and the measurement azimuth (target azimuth−measurement azimuth) is not equal to or less than the predetermined value −K2, the process returns to the first step.

The procedure for adjusting the mobile phone 1 to the target opening / closing angle will be described with reference to FIG. Here, T1 and T2 below are positive values in a relationship of T1> T2.
As shown in FIG. 8, first, when the magnitude of the difference between the target opening / closing angle and the measured opening / closing angle (target opening / closing angle−measurement opening / closing angle) is equal to or greater than a predetermined value T1, the angle display unit 152a is highlighted. (ST201). When the magnitude of the difference between the target opening / closing angle and the measured opening / closing angle (target opening / closing angle−measurement opening / closing angle) is not equal to or greater than the predetermined value T1, the process proceeds to the next step.

  Next, when the magnitude of the difference between the target opening / closing angle and the measured opening / closing angle (target opening / closing angle−measurement opening / closing angle) is equal to or less than the predetermined value −T1, the angle display unit 152b is highlighted (ST202). When the magnitude of the difference between the target opening / closing angle and the measured opening / closing angle (target opening / closing angle−measurement opening / closing angle) is not equal to or less than the predetermined value −T1, the process proceeds to the next step.

  Subsequently, when the magnitude of the difference between the target opening / closing angle and the measured opening / closing angle (target opening / closing angle−measurement opening / closing angle) is larger than the predetermined value −T2 and smaller than the predetermined value T2, the angle display portions 152a and 152b are displayed. Is not emitted (ST203). If the magnitude of the difference between the target opening / closing angle and the measured opening / closing angle (target opening / closing angle−measurement opening / closing angle) is not within the above range, the process proceeds to the next step.

  When the magnitude of the difference between the target opening / closing angle and the measured opening / closing angle (target opening / closing angle−measurement opening / closing angle) is equal to or greater than the predetermined value T2, the angle display unit 152a emits weak light (ST204). When the magnitude of the difference between the target opening / closing angle and the measured opening / closing angle (target opening / closing angle−measurement opening / closing angle) is not equal to or greater than the predetermined value T2, the process proceeds to the next step.

  When the magnitude of the difference between the target opening / closing angle and the measured opening / closing angle (target opening / closing angle−measurement opening / closing angle) is equal to or less than the predetermined value −T2, the angle display unit 1512 emits light weakly (ST205). When the magnitude of the difference between the target opening / closing angle and the measured opening / closing angle (target opening / closing angle−measurement opening / closing angle) is not equal to or less than the predetermined value −T2, the process returns to the first step.

  According to the present embodiment, in the mobile phone 1 on which the solar cell panel 90 is arranged, the solar cell panel 90 can be adjusted and arranged in an orientation and an angle suitable for light reception.

  Moreover, according to this embodiment, a solar cell panel can be arrange | positioned in the azimuth | direction and angle which can receive light most efficiently within predetermined time. Thereby, the mobile phone 1 can be charged most efficiently in a predetermined time.

  Further, according to the present embodiment, the LED display unit 150 can adjust the intensity of light emission according to the magnitude of the difference between the target azimuth and target open / close angle and the measurement azimuth and measurement open / close angle. Thus, the azimuth and the opening / closing angle can be easily adjusted.

  As mentioned above, although preferred embodiment of this form was described, this invention can be implemented with a various form, without being limited to embodiment mentioned above. For example, in the present embodiment, the encoder 123 is used as the opening / closing angle measuring means. However, the present invention is not limited to this, and as shown in FIG. 9, a protractor capable of measuring the opening / closing angle using a hinge mechanism is configured. it can. Specifically, a first part 901 that is continuous with the display unit side body 3 constituting the hinge mechanism and a first part 901 that is continuous with the operation unit side body 2 and arranged in the opening / closing axis direction of the hinge mechanism are arranged. In the cellular phone having the second part 902, a protractor constituted by scales 910a and 910b formed in the first part 901 and a reference part 920 formed in the second part 902 as an opening / closing angle measuring means. It can also comprise so that it may have. Here, the scales 910a and 910b and the reference portion 920 may be formed in opposite casings. Further, by forming the scale 910a and the scale 910b so as to be shifted, a more detailed opening / closing angle can be measured. Here, FIG. 9A is a side view seen from the longitudinal direction of the mobile phone of the present embodiment, and FIG. 9B is a view seen from the solar cell panel 90 side of the mobile phone of the present embodiment. FIG. 9C is a side view of the mobile phone according to the present embodiment as viewed from the short side, and FIG. 9D is a battery lid 2c of the mobile phone according to the present embodiment. It is the bottom view seen from the side.

  In the open / close angle measuring means shown in FIG. 9, the reference portion 920 is printed on the second portion 902, and the scales 910 a and 910 b are printed on the first portion 901. Of course, the reference portion 920 and the scales 910a and 910b may be formed not by printing but as a shape using a convex portion or a concave portion, by a seal, or by other appropriate methods. .

  Two first portions 901 are formed on the display unit side body 3, and each is formed on the short side end and the long side end of the display unit side body 3 so as to sandwich the second part 902. Has been. The second part 902 is formed at the end in the longitudinal direction of the operation unit side body 2 and is formed between the first part 901. A reference portion 920 is formed on one surface of the operation unit side body 2, which is parallel to the cross section in the thickness direction of the operation unit side body 2. Two reference portions 920 are formed in the second portion 902 so as to face the scales 910a and 910b in order to indicate the respective angles of the scales 910a and 910b.

  The first part 901 and the second part 902 form a hinge mechanism of a mobile phone, and a hinge shaft is provided on at least one of the joint parts between the first part 901 and the second part 902.

  In the open / close angle measuring means shown in FIG. 9, in a state where the operation unit side body 2 and the display unit side body 3 are closed, the reference unit 920 shows an angle of 0 degrees shown on the scale 910a. It has become. Then, as the operation unit side body 2 and the display unit side body 3 open to each other and the opening / closing angle increases, the reference unit 920 formed in the second part 902 is formed in the first part 901. The scales 910a and 910b move. Along with this movement, the reference unit 920 instructs the opening and closing angles of the operation unit side body 2 and the display unit side body 3 on the scales 910a and 910b.

  As shown in FIG. 9, there are two scales 910 a and 910 b with respect to the reference portion 920, so that the angle unit indicated by both scales (10 degrees in the example shown in FIG. 9) is 2 The user can recognize the opening / closing angles of the operation unit side body 2 and the display unit side body 3 indicated by the reference unit 920 with double accuracy (5 degrees in the example shown in FIG. 9).

  In the present embodiment, the user recognizes the angle displayed on the display unit 21 that enables the most efficient light reception within a predetermined time, and the reference unit 920 and the scale so as to match the angle. The opening / closing angles of the operation unit side body 2 and the display unit side body 3 are adjusted using 910a and 910b.

  In the example shown in FIG. 9, the case where two scales exist with respect to the reference portion 920 is illustrated, but the present invention is not limited to such a case, and the number of scales is 3 or more. May be. In this case, since there are a plurality of scales with respect to the reference unit, the user can perform an operation between the operation unit side case and the display unit side case indicated by the reference unit with an accuracy multiple of the angle unit indicated by each scale. The mutual opening / closing angle can be recognized.

  In the present embodiment, the number of devices can be reduced as compared with the above-described embodiment using the encoder, the output processing of the encoder is not necessary, and the load on the CPU can be reduced. Note that the orientation adjustment method in the present embodiment can be the same method as the orientation adjustment method using the encoder described above.

FIG. 3 shows an external perspective view of the mobile phone 1 as viewed from the operation key group 11 side. 3 is a perspective view showing an appearance of the display unit side body 3 of the mobile phone 1 as viewed from the rear panel 3d side. FIG. FIG. 4 is an exploded perspective view of members built in an operation unit side housing of the mobile phone 1. FIG. 4 is an exploded perspective view of members built in the display unit side housing of the mobile phone 1. 2 is a block diagram illustrating a configuration of a mobile phone 1. FIG. The flowchart explaining the basic procedure until the light-receiving start by the solar cell panel 90 is shown. The flowchart explaining the procedure which orient | assigns the mobile telephone 1 to a target direction is shown. The flowchart explaining the procedure which adjusts the mobile telephone 1 to a target opening / closing angle is shown. The figure explaining other embodiment in an opening-and-closing angle measurement means is shown.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mobile telephone 2 Operation part side housing | casing 3 Display part side housing | casing 11 Operation key group 90 Solar cell panel 100 CPU
106 Operation unit 121 GPS unit 122 Direction sensor 123 Encoder 125 Clock unit 150 LED display unit

Claims (7)

An electronic device having a solar panel,
A first housing on which the solar cell panel is mounted;
A second housing that is openably and closably connected to the first housing;
Angle detecting means for detecting an opening / closing angle formed by the first housing and the second housing;
Position measuring means for measuring the position of the electronic device;
Azimuth measuring means for measuring the azimuth at a predetermined part of the electronic device;
Date and time information acquisition means for acquiring date and time information;
A light reception time input means for inputting a light reception time to be received by the solar cell panel;
An electronic device comprising: a calculation means for calculating a target opening / closing angle and a target orientation suitable for light reception of the solar cell panel based on the light reception time, the position of the electronic device, and date / time information. The first housing and the second housing are connected to each other through a hinge mechanism so as to be opened and closed.
The electronic apparatus according to claim 1, wherein the angle detection unit is an encoder disposed in the hinge mechanism. The first housing and the second housing are connected to each other through a hinge mechanism so as to be opened and closed.
The hinge mechanism includes a first part that is continuous with the first casing, and a second part that is continuous with the second casing and is arranged alongside the first part in the opening / closing axis direction of the hinge mechanism. Have
The electronic apparatus according to claim 1, wherein the angle detection unit includes an angle reference part formed on one side of the first part or the second part and an opening / closing angle scale formed on the other part.   The electronic device according to claim 1, further comprising an azimuth display unit that displays the target azimuth.   The electronic apparatus according to claim 4, wherein the azimuth display unit can display a magnitude of a difference between the target azimuth and the measurement azimuth.   The electronic device according to claim 1, further comprising angle display means for displaying the target opening / closing angle.   The electronic device according to claim 6, wherein the angle display unit can display a magnitude of a difference between the target opening / closing angle and the measured opening / closing angle.

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