JP2013165376A - Portable information terminal, portable information terminal control method, and portable information terminal control program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable information terminal which can enable a pyroelectric sensor function only when correctly placed on a stationary stand, etc. and fixed in place, and also can perform effective power supply setting without shortening the life of an internal battery.SOLUTION: Angle information on the inclination angle of a portable information terminal 10 determined by an acceleration sensor 211 when the portable information terminal 10 is placed on a stationary stand, etc., with a specific range of variations for read error absorption taken into account, is registered beforehand in a storage unit 208 as an angle threshold indicating that the portable information terminal 10 is correctly placed. Thereafter, when the portable information terminal 10 is detected to have been placed on the stationary stand, etc. by a stationary/wall stand detection unit 103, at which time, if the current inclination angle of the portable information terminal 10 determined by the acceleration sensor 211 falls within the range of angle thresholds registered in the storage unit 208, it is determined that the portable information terminal 10 is correctly placed on the stationary stand, etc. and firmly fixed in place.

Description

  The present invention relates to a portable information terminal, a portable information terminal control method, and a portable information terminal control program, and more particularly to a mechanism that enables effective control of a pyroelectric sensor function and a charging function installed in a portable information terminal. The portable information terminal of the present invention includes a mobile phone, a PHS (Personal Handy-Phone System) terminal, a PDA (Personal Digital Assistants) terminal, a smartphone terminal, a tablet terminal, a notebook PC (Personal Computer), a mobile PC, a mobile TV, The present invention can be suitably applied to a terminal having a pyroelectric sensor function and a charging function such as a monitor.

  In the field of portable information terminals, in recent years, many tablet terminals equipped with large screens are on the market. As a use situation of the tablet terminal, there are cases where it is used as a photo stand or an Internet terminal by being mounted on a stationary table or a wall-mounted table in the home or workplace, as well as a case where it is carried and used on the go. Many.

  In addition, the portable information terminal is generally equipped with an internal battery, and is equipped with a charging function for charging the internal battery and a pyroelectric sensor function for saving power. The pyroelectric sensor can detect infrared energy from the human body and convert it into electric charges. Therefore, in a terminal with a pyroelectric sensor function in which a pyroelectric sensor is mounted on a portable information terminal, the pyroelectric sensor function is used to detect a state that the user is not using and to turn off the terminal screen display. Power supply control can be performed and terminal power saving can be achieved.

  In many cases, the pyroelectric sensor function is mainly used in a state where the pyroelectric sensor function is fixed by a stationary charging base / wall mounting base. If the detection function of the pyroelectric sensor function is enabled even when the terminal is moving, such as when the user is carrying and using the portable information terminal, it is possible to save power while using the terminal. Therefore, it has a problem that the normal use is hindered. For this reason, it is desirable to enable the pyroelectric sensor function only in a fixed state where the pyroelectric sensor function is placed on a stationary charging stand / wall mount or the like. However, in a conventional terminal with a pyroelectric sensor function, the pyroelectric sensor function is always enabled. It is set to a valid state.

  In addition, when a portable information terminal such as a tablet terminal is used in a state where it is placed and fixed on a stationary charging stand / wall hanging stand or the like, it can be used while charging the internal battery. Since the internal battery of a portable information terminal such as a tablet terminal generally has a small capacity, the power to be supplied to each part in the portable information terminal is not an internal battery but uses an AC power source in the home via an AC adapter. In many cases, a stationary charging base / wall mounting base is connected to an AC outlet.

  However, when the internal battery is a lithium ion battery, there is a problem that the battery life is shortened if the charging cycle is repeated. In addition, there is a problem that deterioration is accelerated when a state in which a portable information terminal such as a tablet terminal is placed on a stationary charging base / wall mounting base is continued and the internal battery is fully charged for a long time. Therefore, even when a portable information terminal such as a tablet terminal is placed on a stationary charging base / wall mounting base, if the internal battery is fully charged, the charging operation for the internal battery from the AC power supply is stopped. However, it is desirable that the AC power supply only supplies power to a portion of the portable information terminal that requires power supply. However, in a conventional portable information terminal with a charging function, the portable information terminal is mounted on a stationary charging stand / wall hanging stand or the like. In the state, generally, control is performed so that the charging operation to the internal battery is always performed.

  Further, in Japanese Patent Application Laid-Open Publication No. 2006-004261 “Patent Information Terminal, Mobile Information Terminal Cradle Device and Information Terminal System” of Patent Document 1, the cradle on which the mobile information terminal is mounted includes a plurality of mounting surfaces. A technique for performing different operations according to the position and orientation of the portable information terminal is disclosed. That is, in the cradle device for a portable information terminal described in Patent Document 1, a posture detection unit that detects the posture of the portable information terminal placed on the cradle, and the portable information terminal is the first by the posture detection unit. When it is detected that the mobile phone is placed on the placement surface in the posture, the first processing is performed, and the portable information terminal is placed on the placement surface in the second posture by the posture detection means. When this is detected, there is provided control means for controlling to perform the second process. And as said 1st process, the process regarding charge of the internal battery of a portable information terminal is performed, and as said 2nd process, it controls so that the process regarding data communication with a portable information terminal and an external device may be performed. Yes.

  That is, in Patent Document 1, a switch is provided in the cradle, and the switch is switched to either ON or OFF depending on the position or posture where the portable information terminal is placed. Control is performed so as to perform either the first process or the second process by the control means for monitoring the state. However, when the switch is switched ON / OFF for some reason, the portable information terminal may malfunction.

Japanese Patent Laying-Open No. 2006-004261 (page 6-8)

  As described above, the conventional technology related to portable information terminals has the following problems.

  The first problem is that even when the portable information terminal is not in a state of being mounted and fixed on a stationary table or a wall-mounted table, the cause of the shift to power saving is detected. This is in the point of hindering normal use.

  The second problem is that a lithium ion battery is often used as the internal battery of the portable information terminal. However, when the lithium ion battery is repeatedly charged, there is a problem that the battery life is shortened. Another problem is that the internal battery deteriorates faster if it is fully charged for a long time.

  The third problem is to determine whether or not an operation such as charging of the internal battery is possible based only on the state of a switch that is turned ON / OFF according to the position and orientation of the portable information terminal placed on a stationary table or wall mount. In this case, if the state of the switch is erroneously detected for some reason, it causes malfunction of the portable information terminal.

(Object of the present invention)
The present invention has been made in view of such circumstances, and only when it is in a state of being correctly placed and fixed on a stationary table or a wall-mounted table, enables the function of the mounted pyroelectric sensor, An object of the present invention is to provide a portable information terminal, a portable information terminal control method, and a portable information terminal control program capable of performing an effective power setting operation without shortening the life of the internal battery. It is said.

  In order to solve the above-described problems, the portable information terminal, the portable information terminal control method, and the portable information terminal control program according to the present invention mainly adopt the following characteristic configuration.

  (1) A portable information terminal according to the present invention is a portable information terminal with a built-in internal battery, and a stationary / wall-mounted detection for detecting that the portable information terminal main body is mounted on a stationary table or a wall-mounted table. And an acceleration sensor for determining an inclination angle of the current X-axis / Y-axis / Z-axis of the portable information terminal main body, and the portable information terminal main body is mounted on the stationary table or the wall hanging table In this case, angle information including a specific variation range determined in advance for absorbing a reading error with respect to the inclination angle of the X-axis / Y-axis / Z-axis of the mobile information terminal main body determined by the acceleration sensor, As an angle threshold value that defines an angle range for confirming whether or not the portable information terminal main body is correctly placed on the stationary table or the wall-mounted table, it is previously registered in the storage unit. The portable information determined by the acceleration sensor when the portable information terminal main body detects that the portable information terminal main body is placed on the stationary table or the wall hanging table. When the current inclination angle of the terminal body is within the range of the angle threshold registered in advance in the storage unit, the portable information terminal body is correctly placed on the stationary base or the wall hanging base. It is characterized by determining that it is in a fixed state.

  (2) A control method for a portable information terminal according to the present invention is a control method for a portable information terminal that controls the operation of a portable information terminal incorporating an internal battery, and the portable information terminal main body is mounted on a stationary table or a wall hanging table. At least a stationary / wall hanging table detecting step for detecting that the portable information terminal is placed; and an acceleration determining step for determining a current X-axis / Y-axis / Z-axis inclination angle of the portable information terminal main body; When the information terminal main body is placed on the stationary table or the wall-mounted base, the reading error of the X-axis / Y-axis / Z-axis inclination angle of the portable information terminal main body determined by the acceleration determining step is reduced. Check whether or not the portable information terminal main body is correctly placed on the stationary table or the wall hanging table with respect to angle information that takes into account a specific range of dispersion that is predetermined for absorption. As an angle threshold value that defines an angle range for pre-registering in the storage unit, the portable information terminal main body is placed on the stationary table or the wall hanging table by the stationary / wall hanging table detection step. When the current inclination angle of the portable information terminal main body determined by the acceleration determination step is within the range of the angle threshold registered in advance in the storage unit, It is determined that the portable information terminal main body is in a fixed state in which the portable information terminal main body is correctly placed and fixed on the stationary table or the wall hanging table.

  (3) A portable information terminal control program according to the present invention is characterized in that at least the portable information terminal control method described in (2) is implemented as a program executable by a computer.

  According to the portable information terminal, the portable information terminal control method, and the portable information terminal control program of the present invention, the following effects can be obtained.

  As a first effect, it is possible to determine whether or not the portable information terminal is placed on a stationary table or a wall hanging table based only on the detection result of the stationary / wall hanging table detection unit, Since the determination is also made using the angle information, even if a situation occurs in which the stationary / wall mounting detector erroneously detects that the portable information terminal is mounted on the desktop or the wall mounting, An invalid state can be set without enabling the pyroelectric sensor function or the power setting function.

  As a second effect, when the user is using the portable information terminal in a state where it is not placed on a stationary table or a wall hanging table, the pyroelectric sensor function can be set to be invalid. While the user is using the portable information terminal, it is possible to reliably prevent the occurrence of a situation where the power saving factor is detected and the normal use is hindered.

  As a third effect, when the internal battery is fully charged in a state where the portable information terminal is placed on a stationary base or a wall mount base, the charging operation from the AC adapter to the internal battery is stopped, and the AC From the adapter, it is possible to perform power supply control so as to perform only the power supply operation to the part requiring the power supply of the portable information terminal, so that the internal battery is a lithium ion battery. However, it is possible to reliably prevent the battery life from being shortened or the battery performance from being deteriorated.

It is an external view which shows an example of the external appearance of the portable information terminal of this invention. It is a block block diagram which shows an example of an internal structure of the portable information terminal shown in FIG. FIG. 2 is a detailed view for explaining a state in which the portable information terminal shown in FIG. 1 is placed on a stationary table / wall mount. 6 is a flowchart illustrating an example of an operation of registering in advance in a storage unit using the mounting angle when the portable information terminal illustrated in FIG. 1 is mounted on a stationary table / wall mount as an angle threshold value. 3 is a flowchart showing an example of an operation related to control of a pyroelectric sensor function when the portable information terminal shown in FIG. 1 is placed on a stationary table / wall mount. 3 is a flowchart showing an example of an operation for preregistering a power supply setting method in a storage unit when the portable information terminal shown in FIG. 1 is placed on a stationary table / wall mount. 6 is a flowchart showing an example of an operation related to control of power supply setting when the portable information terminal 0 shown in FIG. 1 is placed on a stationary table / wall mount.

  Preferred embodiments of a portable information terminal, a portable information terminal control method, and a portable information terminal control program according to the present invention will be described below with reference to the accompanying drawings. In the following description, the portable information terminal and the portable information terminal control method according to the present invention will be described. However, the portable information terminal control method is implemented as a portable information terminal control program executable by a computer. Needless to say, the portable information terminal control program may be recorded on a computer-readable recording medium.

  The portable information terminal of the present invention includes a mobile phone, a PHS (Personal Handy-Phone System) terminal, a PDA (Personal Digital Assistants) terminal, a smart phone terminal, a tablet terminal, a notebook PC (Personal Computer), a mobile PC, a mobile Any terminal may be used as long as it has a pyroelectric sensor function and a charging function, such as a type television and a monitor.

(Features of the present invention)
Prior to the description of the embodiments of the present invention, an outline of the features of the present invention will be described first. The present invention provides a pyroelectric sensor for a portable information terminal only when the portable information terminal has a pyroelectric sensor function and is placed on a stationary charging stand or in a state other than a wall-mounted state. The main feature is to enable the sensor function. In addition, in a portable information terminal with a charging function equipped with a lithium ion battery as an internal battery, the life of the internal battery can be reduced when it is in a fixed state where it is correctly placed and fixed on a stationary charging stand or in a correct wall-mounted state. The power supply method is set for each part that needs to be supplied with power so as not to be shortened, and has a function of selecting whether or not to charge the internal battery.

  More specifically, in the portable information terminal, whether or not the portable information terminal is correctly placed on the human sensor that senses infrared energy from the human body, that is, the pyroelectric sensor lens unit, and the stationary charging base / wall mounting base. As the angle threshold value that defines the angle range of the portable information terminal for checking whether the portable information terminal is placed on the stationary charging stand or in the wall hanging state, the placement angle (angular state) of the portable information terminal is A function that can be pre-registered by the user in the storage unit, a stationary / wall mount detection unit that detects that the portable information terminal is placed on a stationary charging stand or a wall hanging state, and the portable information terminal And at least an acceleration sensor for determining current angle information.

  Thus, it is detected by the stationary / wall mount detection unit that the portable information terminal is placed on the stationary charging stand / wall mounted state, and the arrangement angle (determined by the acceleration sensor) If the angle state is within the range of the angle threshold stored in the storage unit, the portable information terminal main body is properly placed on the stationary charging base / wall mount and fixed. If it is determined that the sensor circuit that receives the output from the human sensor, that is, the pyroelectric sensor lens unit, is turned on, and the infrared energy emitted by the human body is not detected by the pyroelectric sensor lens unit, It is determined that the user is not using the portable information terminal, and the portable information terminal is set to a state in which the mobile information terminal can shift to the power saving operation.

  Further, when it is determined that the portable information terminal main body is properly placed and fixed on the stationary charging base / wall mounting base, the charging to the internal battery is completed as soon as charging to the internal battery is completed. The portable information terminal from the internal battery is stopped by switching to a state in which power is directly supplied to each part of the portable information terminal from the AC adapter connected to the stationary charging stand / wall mount. This eliminates the leakage as a power source for power supply, eliminates the cycle of charging the internal battery → full charging → charging, and prevents further charging from being continued in the fully charged state.

(Embodiment of the present invention)
Next, an embodiment of the portable information terminal of the present invention will be described. FIG. 1 is an external view showing an example of the external appearance of the portable information terminal of the present invention, and shows the external appearance of the portable information terminal equipped with a pyroelectric sensor function.

  In the portable information terminal 10 shown in FIG. 1, the pyroelectric sensor lens unit 101 is a sensor that detects a change in the amount of infrared rays emitted by the human body, and if not detected, puts the portable information terminal 10 in the power saving mode. It has a function to migrate. The LCD 102 is a liquid crystal display that displays characters and images on the screen, and the stationary / wall-hanging detector 103 detects whether the portable information terminal 10 is mounted on the stationary / wall-hanging table. This is a detection switch.

  The stationary / wall mount detection unit 103 may be configured as a magnetic switch that installs a magnet on the stationary / wall mount and provides a magnetic sensor on the portable information terminal 10 side to detect the magnetism of the magnet. Alternatively, it may be a mechanical hardware switch that operates by sensing mechanical stress. In FIG. 1, the stationary / wall-hanging table detection unit 103 is represented as a diagram in which a hardware switch is imagined. The charging terminal unit 104 is a terminal to which a DC voltage is applied when the portable information terminal 10 is placed on a stationary / wall-mounting base. Of the two terminals, one side is a + terminal and one side is a terminal. -Terminal. The KEY operation unit 105 is a part where the user performs a functional operation of the portable information terminal 10.

(Example of internal configuration of the first embodiment)
Next, an example of the internal configuration of the portable information terminal 10 shown in FIG. 1 will be described with reference to FIG. FIG. 2 is a block configuration diagram showing an example of the internal configuration of the portable information terminal 10 shown in FIG. 1, in addition to the charging path to the lithium ion battery 210 that is an internal battery, A power supply path to the control unit 207 that performs overall control is illustrated with a thick arrow broken line as an example.

  A portable information terminal 10 shown in FIG. 2 includes a pyroelectric sensor lens unit 101, a display unit LCD 102, a stationary / wall mount detection unit 103, a charging terminal unit 104, a KEY operation unit 105, a pyroelectric sensor circuit 206, and a control unit 207. , A storage unit 208, a charging circuit unit 209, a lithium ion battery 210, an acceleration sensor 211, and a clock unit 212. Each part of the pyroelectric sensor lens unit 101, the LCD 102, the stationary / wall mount detection unit 103, the charging terminal unit 104, and the KEY operation unit 105 has a function as described in FIG.

  The pyroelectric sensor circuit 206 is a part that analyzes light (infrared light) taken in by the pyroelectric sensor lens unit 101, and detects infrared energy emitted from the human body. The control unit 207 is a part that controls all the functional operations of the portable information terminal 10. For example, the control unit 207 reads the detection result from the pyroelectric sensor circuit 206, determines the presence or absence of a human body, and stores it in the storage unit 208. Based on the collation result between the registered angle threshold value and the stationary / mounting angle of the portable information terminal 10 obtained from the acceleration sensor 211, the pyroelectric sensor circuit 206 is also turned on / off. ing.

  The storage unit 208 is a part that stores various types of information for the terminal function of the portable information terminal 10. For example, whether or not the portable information terminal 10 is correctly placed on a stationary table or a wall hanging table. The information regarding the angle threshold value that defines the angle range of the portable information terminal 10 for confirming is also registered in advance by an operation from the user.

  The charging circuit unit 209 uses the DC voltage supplied from the charging terminal unit 104 via the AC adapter to charge the lithium ion battery 210 that is an internal battery of the portable information terminal 10 and also the portable information terminal 10. It is a site | part which supplies a power supply with respect to each site | part. That is, in FIG. 2, the charging circuit unit 209 converts the charging voltage from the charging terminal unit 104 into the terminal operating voltage and supplies it to the control unit 207 as indicated by a thick broken line in FIG. Although an example is shown, each part using each power supply is also converted into a required operating voltage and supplied. In addition, the charging circuit unit 209 supplies the voltage used for charging to the lithium ion battery 210. When the battery voltage of the lithium ion battery 210 is constantly monitored and the battery is fully charged, Immediately stops the charging operation for the lithium ion battery 210. In addition, in the state where the portable information terminal 10 is placed on a stationary / wall-hanging table, power is supplied from the lithium ion battery 210 to each part of the portable information terminal 10 in accordance with an instruction from the user. Instead, the power setting operation performed from the charging circuit unit 209 is also possible.

  The acceleration sensor 211 is a part for determining the current X-axis / Y-axis / Z-axis tilt angle of the mobile information terminal 10 main body, and the mobile information terminal 10 is placed on a stationary / wall-mounted base In, the mounting / mounting angle on the stationary / wall mount is determined. The clock unit 212 is a part that outputs timing information necessary for time generation, and the output time information is managed by the control unit 207.

  In the portable information terminal 10 of FIG. 2, the range of the mounting angle of the portable information terminal 10 on the cradle / wall mount is set as the angle threshold value for confirming correct placement on the cradle / wall mount. Thus, when the setting request for the mounting angle of the portable information terminal 10 is input from the KEY operation unit 105 to the stationary table / wall mounting table, the following operation is performed.

  First, the stationary / wall hanging table detecting unit 103 detects the placement of the portable information terminal 10 on the stationary table / wall hanging table, and the control unit 207 turns the portable information terminal 10 into a stationary table or a wall hanging table. When it is determined that the device is placed, the control unit 207 reads the current angle information of the portable information terminal 10 from the acceleration sensor 211 and temporarily stores the read current angle information in the storage unit 208. At this time, since there may be a variation in the reading angle information of the acceleration sensor 211, the control unit 207 adds a predetermined specific variation range to the current angle information read from the acceleration sensor 211. Are stored in advance in the storage unit 208 as an angle threshold value for determining that the portable information terminal 10 is in a fixed state in which the portable information terminal 10 is correctly placed and fixed on the stationary table / wall mount.

  Thereafter, when the user places the portable information terminal 10 on a stationary table or a wall hanging table, the control unit 207 indicates that the portable information terminal 10 has been placed on the stationary table or the wall hanging table. The detection result from the stationary / wall mount detection unit 103 is obtained, and the current angle information of the portable information terminal 10 read from the acceleration sensor 211 is an angle threshold range registered in advance in the storage unit 208 If it is determined that the main body of the portable information terminal 10 is in a fixed state where the main body of the portable information terminal 10 is correctly placed and fixed on the stationary charging base / wall mounting base, for example, a pyroelectric sensor circuit 206 is turned ON, and the sensing operation of the infrared energy emitted by the human body is set to be effective.

  Further, when the user removes the portable information terminal 10 from the stationary table or the wall hanging table, the control unit 207 determines that the stationary state of the stationary table or the wall hanging table of the portable information terminal 10 is lost. Based on the detection result from the wall mount detection unit 103, the portable information terminal 10 determines that the mobile information terminal 10 has moved to a moving state. For example, the pyroelectric sensor circuit 206 is turned off to detect infrared energy emitted by the human body. Set to disabled.

  FIG. 3 is a detailed diagram for explaining a state in which the portable information terminal 10 shown in FIG. 1 is placed on a cradle / wall mount. FIG. 2B shows a state where the portable information terminal 10 is placed on the wall mount 302. FIG. The table 301 / wall mount 302 shown in FIG. 3 shows an example of each side shape, but the mounting angle of the portable information terminal 10 on the structure of the table 301 / wall mount 302 is as shown in FIG. It is not limited to the state as shown in FIG.

  In FIG. 3, a dotted line indicates a mounting state of the portable information terminal 10 having the pyroelectric sensor function on the stationary table 301 or the wall hanging table 302. Further, when the portable information terminal 10 is placed, the stationary part / wall hanging table detection shown in FIG. This shows a case where the unit 103 is arranged, and the stationary / wall-hanging table detecting unit 103 is composed of a mechanical hardware switch that is turned on by being stressed by being applied to the protrusion. As described above, a magnet is installed on the stationary table 301 / wall mounting table 302 side, and a magnetic sensor is installed on the portable information terminal 10 side as the stationary / wall mounting table detection unit 103, so that the stationary table 301 / You may make it comprise with the magnetic switch which detects the magnetism from the magnet of the wall mount 302 side.

  The AC adapter 303 converts household AC power supplied from an AC outlet into DC power, and is a lithium ion battery for the portable information terminal 10 mounted on the stationary table 301 / wall mount 302. In addition to supplying a charging voltage for charging the battery 210, it also has a function of supplying operating power to each part in the portable information terminal 10.

(Description of operation of embodiment)
Next, an example of the operation of the portable information terminal 10 shown in FIGS. 1 to 3 will be described. First, the placement angle when the portable information terminal 10 having the pyroelectric sensor function is placed on the cradle 301 / wall mount 302 as shown in FIG. The operation of registering in advance in the storage unit 208 as an angle threshold that defines the angle range of the portable information terminal 10 for confirming whether or not the information terminal 10 has been correctly placed will be described with reference to the flowchart of FIG. FIG. 4 is a flowchart showing an example of an operation of registering in advance in the storage unit 208 as an angle threshold when the portable information terminal 10 shown in FIG. Yes, an example of the operation in the control unit 207 is shown. In the following description, the angle threshold registration operation will be described with reference to the block diagram of the portable information terminal 10 shown in FIG.

  In the flowchart of FIG. 4, when the control unit 207 starts the angle threshold registration operation (START) (step 401), the user operates the mobile information terminal 10 with respect to the stationary table 301 / wall-mounted table 302 from the KEY operation unit 105. It is confirmed whether or not a setting request regarding the angle threshold has been input (step 402). When the user inputs a setting request regarding the angle threshold value of the portable information terminal 10 (YES in step 402), the control unit 207 determines whether the stationary table is based on the detection result of the stationary / wall-mounted table detection unit 103. It is confirmed whether or not the portable information terminal 10 is placed on 301 or the wall mount 302 (step 403).

  When it is detected that the portable information terminal 10 is placed on the stationary table 301 or the wall hanging table 302 as a detection result of the stationary / wall hanging table detecting unit 103 (YES in Step 403), the control unit 207 Angle information obtained by adding a specific variation range predetermined for absorbing reading errors to the angle information of the X axis / Y axis / Z axis read from the acceleration sensor 211 is stored in the stationary table 301 or the wall hanging table 302. As an angle threshold value defining the angle range of the portable information terminal 10 for confirming whether or not the portable information terminal 10 is correctly placed, it is registered in the storage unit 208 and the pyroelectric sensor circuit 206 is turned off. Thus, the operation of the pyroelectric sensor function is set to be invalid (step 404).

  Note that the specific variation range may be appropriately set in the storage unit 208 by the user according to the cradle 301 / wall mount 302 to be used. It is assumed that 208 is set in advance. In step 404, after the angle threshold value registration operation is completed and the pyroelectric sensor circuit 206 is turned off, the process returns to START in step 401.

  On the other hand, when it is not detected in step 403 that the portable information terminal 10 is placed on the stationary table 301 or the wall hanging table 302 as a detection result of the stationary / wall hanging table detecting unit 103 (step 403). 403 NO), the control unit 207 displays a guidance message “please place the terminal on the cradle / wall mount” on the LCD 102 as the display unit, and installs the portable information terminal 10 to the user. Notification is made so as to place it on the table 301 or the wall mount 302 (step 405). Thereafter, in response to the guidance message, in order to confirm whether or not the user has placed the portable information terminal 10 on the stationary table 301 or the wall hanging table 302, the control unit 207 includes a stationary / wall hanging table detection unit. Based on the detection result 103, it is confirmed whether or not the portable information terminal 10 is placed on the stationary table 301 or the wall hanging table 302 (step 406).

  When it is detected that the portable information terminal 10 is placed on the cradle 301 or the wall cradle 302 as a detection result of the cradle / wall mount detector 103 (YES in step 406), the controller 207 The operation proceeds to step 404. On the other hand, when it is not detected that the portable information terminal 10 is placed on the stationary table 301 or the wall hanging table 302 as a detection result of the stationary / wall hanging table detection unit 103 (NO in step 406). The control unit 207 counts the elapsed time after the guidance message is displayed on the LCD 102 as a timer based on the time information read from the clock unit 212 (step 407).

  Thereafter, it is confirmed as a timer count result whether or not the elapsed time after the display of the guidance message on the LCD 102 has passed a predetermined x seconds (step 408). The process from step 406 to step 408 is repeated until the elapsed time after the guidance message is displayed on the LCD 102 has elapsed x seconds (NO in step 408). On the other hand, when the control unit 207 determines that the elapsed time after the display of the guidance message on the LCD 102 has elapsed x seconds (YES in step 408), the control unit 207 determines that a time-out has occurred, and the table 301 or A series of processes related to the registration operation of the angle threshold value defining the angle range of the portable information terminal 10 for confirming whether or not the portable information terminal 10 is correctly placed on the wall mount 302 is stopped, and step 401 is performed. Return to START.

  By defining the angle range of the portable information terminal 10 for confirming whether or not the portable information terminal 10 is correctly placed on the stationary table 301 or the wall hanging table 302 by performing the processing as described above. An operation of registering the threshold value in advance in the storage unit 208 according to an instruction from the user is performed. Next, in the state where the angle threshold value is registered in the storage unit 208 in advance, an example of the operation when the portable information terminal 10 is placed on the stationary table 301 / wall mounting table 302 is shown in the flowchart of FIG. It explains using. FIG. 5 is a flowchart showing an example of an operation related to control of the pyroelectric sensor function when the portable information terminal 10 shown in FIG. 1 is placed on the stationary table 301 / wall mount 302. An example is shown. In the following description, operations related to control of the pyroelectric sensor function will be described with reference to the block diagram of the portable information terminal 10 shown in FIG.

  In the flowchart of FIG. 5, when the mobile information terminal 10 in which the angle threshold is registered in advance in the storage unit 208 is in a terminal moving state where the portable information terminal 10 is not placed on the stationary table 301 / wall mount 302, the control unit 207 The pyroelectric sensor circuit 206 is turned off, and the pyroelectric sensor function is set to an invalid state (step 501). Even in such a state, in order to immediately detect that the user has placed the portable information terminal 10 on the cradle 301 / wall mount 302, the control unit 207 displays the detection result of the cradle / wall mount detector 103. Based on this, it is confirmed whether the portable information terminal 10 is placed on the stationary table 301 or the wall hanging table 302 (step 502).

  When it is detected that the portable information terminal 10 is placed on the cradle 301 or the wall cradle 302 as a detection result of the cradle / wall mount detector 103 (YES in step 502), the control unit 207 stores In the unit 208, an angle threshold value is registered as angle information that defines an angle range of the portable information terminal 10 for confirming whether or not the portable information terminal 10 is correctly placed on the stationary table 301 or the wall hanging table 302 It is confirmed whether it has been done (step 503).

  If the angle threshold value is not registered in the storage unit 208 (NO in step 503), the control unit 207 leaves the pyroelectric sensor circuit 206 OFF and returns to step S501. On the other hand, when the angle threshold value is registered in the storage unit 208 (YES in step 503), the control unit 207 reads the current angle information of the portable information terminal 10 determined by the acceleration sensor 211, and The current angle information is compared with the angle threshold registered in the storage unit 208 (step 504).

  When the current angle information of the mobile information terminal 10 determined by the acceleration sensor 211 is not within the range of the angle threshold registered in the storage unit 208 (NO in step 504), the control unit Reference numeral 207 denotes that the portable information terminal 10 is placed on the stationary table 301 / wall hanging by the stationary / wall hanging detection unit 103 even though the portable information terminal 10 is not correctly placed on the stationary table 301 / wall hanging table 302. Assuming that it is erroneously detected that it is placed on the table 302, the pyroelectric sensor circuit 206 is kept OFF, and the process returns to step S501.

  On the other hand, if the current angle information of the portable information terminal 10 determined by the acceleration sensor 211 is within the range of the angle threshold registered in the storage unit 208 (YES in step 504). ), The control unit 207 determines that the detection result of the deferred / wall mount detecting unit 103 that detects that the portable information terminal 10 is mounted on the deferred table 301 / wall mount 302 is correct, and It is determined that the main body of the portable information terminal 10 is correctly placed and fixed on the stationary table 301 / wall mount 302, and the pyroelectric sensor circuit 206 is turned on to enable the pyroelectric sensor function. The state is set (step 505).

  Thereafter, in order to immediately detect that the user has removed the portable information terminal 10 placed on the cradle 301 / wall mount 302 from the cradle 301 / wall mount 302, the control unit 207 is Based on the detection result of the cradle / wall mount detection unit 103, it is confirmed whether or not the portable information terminal 10 has been removed from the cradle 301 or the wall mount 302 (step 506).

  As long as it is not detected that the portable information terminal 10 has been removed from the cradle 301 or the wall cradle 302 as a detection result of the cradle / wall mount detector 103 (NO in step 506), the control unit 207 causes the step 506 to And wait until it is detected that the portable information terminal 10 has been removed. On the other hand, when it is detected that the portable information terminal 10 has been removed from the stationary table 301 or the wall hanging table 302 as a detection result of the stationary / wall hanging table detection unit 103 (YES in step 506), the flow proceeds to step 501. Returning, the pyroelectric sensor circuit 206 is switched from the ON state to the OFF state, and the pyroelectric sensor function is transitioned from the valid state to the invalid state.

(Other operation examples in the embodiment of the present invention)
Next, an operation example different from the cases of FIGS. 4 and 5 of the portable information terminal 10 of the present invention will be described. In this operation example, as shown in FIGS. 1 to 3, in the portable information terminal 10 having a charging function of the lithium ion battery 210 that is an internal battery, the portable information terminal 10 is mounted on the stationary table 301 or the wall hanging table 302. An example of operation related to control of power setting of the portable information terminal 10 will be described.

  First, an example of an operation for pre-registering in the storage unit 208 the power supply setting method of the portable information terminal 10 when the portable information terminal 10 is placed on the stationary table 301 or the wall hanging table 302 is shown in the flowchart of FIG. Will be described. FIG. 6 is a flowchart showing an example of an operation for pre-registering the power setting method in the storage unit 208 when the portable information terminal 10 shown in FIG. 1 is placed on the stationary table 301 / wall mount 302. An example of the operation at 207 is shown. In the following description, the registration operation of the power setting method will be described with reference to the block diagram of the portable information terminal 10 shown in FIG.

  In the flowchart of FIG. 6, when the control unit 207 starts the registration operation of the power setting method (START) (step 601), when the user places it on the cradle 301 / wall mount 302 from the KEY operation unit 105, It is confirmed whether or not there has been an input of a selection request regarding the power setting method of the portable information terminal 10 (step 602). When the user inputs a selection request related to the power supply setting method of the portable information terminal 10 (YES in step 602), the control unit 207 determines the deferment based on the detection result of the deferment / wall mount detection unit 103. It is confirmed whether or not the portable information terminal 10 is placed on the table 301 or the wall mount 302 (step 603).

  When it is detected that the portable information terminal 10 is placed on the stationary table 301 or the wall hanging table 302 as a detection result of the stationary / wall hanging table detecting unit 103 (YES in Step 603), the control unit 207 Next, as a selection of the power setting method of the portable information terminal 10 when the user places it on the cradle 301 / wall mount 302 from the KEY operation unit 105, each of the power sources in the portable information terminal 10 is required. Power is supplied from the AC adapter 303 of the cradle 301 / wall mount 302 to the part, and from the AC adapter 303 of the cradle 301 / wall mount 302 when the lithium ion battery 210 is fully charged. It is confirmed whether or not “no battery charging” that does not perform the charging operation for the lithium ion battery 210 is selected (step 6). 4).

  When “no battery charging” in which power is supplied from the AC adapter 303 to each part of the portable information terminal 10 that requires power is selected as the selection of the power setting method of the portable information terminal 10 (YES in step 604), the control unit 207 takes into account a specific variation range predetermined for absorbing reading errors with respect to each angle information of the X axis / Y axis / Z axis read from the acceleration sensor 211. The storage unit 208 uses the angle information as an angle threshold that defines the angle range of the portable information terminal 10 for confirming whether or not the portable information terminal 10 is correctly placed on the stationary table 301 or the wall hanging table 302. And the result of selecting the power setting method for the portable information terminal 10 when the portable information terminal 10 is placed on the stationary table 301 / wall mount 302. Te, for supplying power from the AC adapter 303 registers the power setting method in the storage unit 208 as "battery charging No" (step 609).

  On the other hand, if “no battery charging” in which power is supplied from the AC adapter 303 is not selected as the power setting method for the portable information terminal 10 in step 604 (NO in step 604), As a selection of the power setting method of the portable information terminal 10 when the portable information terminal 10 is placed on the stationary table 301 / wall mount 302 from the KEY operation unit 105, for each part that requires the power in the portable information terminal 10 Is selected when “with battery charging” is selected, in which power is supplied from the lithium ion battery 210 and the internal battery (lithium ion battery 210) is charged from the AC adapter 303 of the stationary table 301 / wall mount 302. It is.

  Therefore, the control unit 207 defers the angle information obtained by adding a specific variation range predetermined for absorbing the reading error to the X axis / Y axis / Z axis angle information read from the acceleration sensor 211. While registering in the storage unit 208 as an angle threshold that defines the angle range of the portable information terminal 10 for confirming whether or not the portable information terminal 10 is correctly placed on the table 301 or the wall hanging table 302, As a selection result of the power setting method of the portable information terminal 10 when the portable information terminal 10 is placed on the stationary table 301 / wall mount 302, the power setting method of “battery charged” for supplying power from the lithium ion battery 210 Is registered in the storage unit 208 (step 610).

  Note that the specific variation range described in step 609 and step 610 may be set as appropriate in the storage unit 208 by the user in accordance with the cradle 301 / wall mount 302 to be used. It is assumed that the information terminal 10 is preset in the storage unit 208 at the time of shipment. In step 609 and step 610, after the registration operation of the power supply setting method is completed, the process returns to START in step 601.

  On the other hand, if it is not detected in step 603 that the portable information terminal 10 is placed on the stationary table 301 or the wall hanging table 302 as a detection result of the stationary / wall hanging table detection unit 103 (step 603). 603, NO), the control unit 207 displays a guidance message “please place the terminal on the cradle / wall mount” on the LCD 102 as the display unit, and installs the portable information terminal 10 to the user. Notification is made so as to be placed on the table 301 or the wall mount 302 (step 605). Thereafter, in response to the guidance message, in order to confirm whether or not the user has placed the portable information terminal 10 on the stationary table 301 or the wall hanging table 302, the control unit 207 includes a stationary / wall hanging table detection unit. Based on the detection result 103, it is confirmed whether or not the portable information terminal 10 is placed on the stationary table 301 or the wall hanging table 302 (step 606).

  When it is detected that the portable information terminal 10 is placed on the cradle 301 or the wall cradle 302 as a detection result of the cradle / wall mount detector 103 (YES in step 606), the controller 207 The operation proceeds to step 604. On the other hand, when it is not detected that the portable information terminal 10 is placed on the stationary table 301 or the wall hanging table 302 as a detection result of the stationary / wall hanging table detection unit 103 (NO in step 606). The control unit 207 counts the elapsed time after the guidance message is displayed on the LCD 102 as a timer based on the time information read from the clock unit 212 (step 607).

  Thereafter, it is confirmed as a timer count result whether or not the elapsed time after the screen display of the guidance message on the LCD 102 has passed a predetermined x seconds (step 608). The process from step 606 to step 608 is repeated until the elapsed time after the guidance message is displayed on the LCD 102 has elapsed x seconds (NO in step 608). On the other hand, when the control unit 207 determines that the elapsed time after the display of the guidance message on the LCD 102 has elapsed x seconds (YES in step 608), the control unit 207 determines that a timeout has occurred and registers the power setting method. A series of processing relating to the operation is stopped, and the process returns to START in Step 601.

  By performing the processing as described above, the power setting method of the portable information terminal 10 when the portable information terminal 10 is placed on the stationary table 301 or the wall hanging table 302 is registered in advance in the storage unit 208 according to an instruction from the user. The operation is performed. Next, in the state where the power setting method of the portable information terminal 10 when placed on the stationary table 301 / wall hanging table 302 is registered in the storage unit 208 in advance, the portable information terminal 10 having a charging function is stationary. An example of the operation when placed on the table 301 / wall mount 302 will be described with reference to the flowchart of FIG. FIG. 7 is a flowchart showing an example of an operation related to control of power supply setting when the portable information terminal 10 shown in FIG. 1 is placed on the cradle 301 / wall mount 302, and an example of the operation in the control unit 207. Show. In the following description, operations related to power supply control will be described with reference to the block diagram of the portable information terminal 10 shown in FIG.

  In the flowchart of FIG. 7, when an operation related to control of power supply setting is started (START) (step 701), the portable information terminal 10 in which the power supply setting method is registered in advance in the storage unit 208 is In order to immediately detect that the device is placed on the table 302, the control unit 207 determines whether the portable information terminal 10 is placed on the table 301 or the wall table 302 based on the detection result of the table / wall table detection unit 103. Is confirmed (step 702).

  When it is detected that the portable information terminal 10 has been placed on the stationary table 301 or the wall hanging table 302 as a detection result of the stationary / wall hanging table detection unit 103 (NO in step 702), the power setting operation is performed. It returns to step 701, without performing. On the other hand, when it is detected as a detection result of the stationary / wall-hanging table detecting unit 103 that the portable information terminal 10 is mounted on the stationary table 301 or the wall-hanging table 302 (YES in step 702), the control unit Reference numeral 207 denotes angle information that defines an angle range of the portable information terminal 10 for confirming whether or not the portable information terminal 10 is correctly placed on the stationary table 301 or the wall hanging table 302 in the storage unit 208. First, it is confirmed whether or not an angle threshold is registered (step 703).

  If the angle threshold value is not registered in the storage unit 208 in advance (NO in step 703), the control unit 207 returns to step S701 without performing the power setting operation. On the other hand, when the angle threshold value is registered in the storage unit 208 (YES in step 703), the control unit 207 reads the current angle information of the portable information terminal 10 determined by the acceleration sensor 211, The current angle information is compared with the angle threshold registered in the storage unit 208 (step 704).

  When the current angle information of the portable information terminal 10 determined by the acceleration sensor 211 is not within the range of the angle threshold registered in the storage unit 208 (NO in step 704), the control unit Reference numeral 207 denotes that the portable information terminal 10 is placed on the stationary table 301 / wall hanging by the stationary / wall hanging detection unit 103 even though the portable information terminal 10 is not correctly placed on the stationary table 301 / wall hanging table 302. Assuming that it is erroneously detected that it is placed on the table 302, the process returns to step S701 without performing the power setting operation.

  On the other hand, when the current angle information of the portable information terminal 10 determined by the acceleration sensor 211 is within the angle threshold range registered in the storage unit 208 (YES in step 704). ), The control unit 207 determines that the detection result of the deferred / wall mount detecting unit 103 that detects that the portable information terminal 10 is mounted on the deferred table 301 / wall mount 302 is correct, and It is determined that the main body of the portable information terminal 10 is correctly placed and fixed on the stationary table 301 / wall mount 302. Then, the power setting method at the time of placement on the stationary table 301 / wall mounting table 302 registered in advance in the storage unit 208 is read, and each of the power settings in the portable information terminal 10 that requires power as the read power setting method When the power is supplied from the AC adapter 303 of the cradle 301 / wall mount 302 to the site and the lithium ion battery 210 is fully charged, the AC adapter of the cradle 301 / wall mount 302 It is checked from step 303 whether or not the power setting method of “no battery charging” that does not perform the charging operation for the lithium ion battery 210 is registered (step 705).

  As a power setting method registered in the storage unit 208, power is supplied from the AC adapter 303 of the stationary table 301 / wall mounting table 302 to each part of the portable information terminal 10 that requires power, and lithium When the ion battery 210 is fully charged, the power setting method of “no battery charging” is set and registered so that the charging operation to the lithium ion battery 210 is not performed from the AC adapter 303 of the stationary table 301 / wall mount 302. If YES (YES in step 705), the control unit 207 then confirms whether or not the lithium ion battery 210 is fully charged based on information obtained from the charging operation of the charging circuit unit 209. (Step 706). When the lithium ion battery 210 is not fully charged as information obtained from the charging operation of the charging circuit unit 209 (NO in step 706), the control unit 207 controls the charging circuit unit 209 to control the lithium ion battery. The charging operation of the lithium ion battery 210 by the charging voltage supplied from the AC adapter 303 is continued until the battery 210 reaches a full charge.

  On the other hand, as information obtained from the charging operation of the charging circuit unit 209, when the lithium ion battery 210 is fully charged (YES in step 706), the control unit 207 controls the charging circuit unit 209. In addition to immediately turning off the charging operation for the lithium ion battery 210, the DC voltage from the AC adapter 303 is converted instead of using the lithium ion battery 210 as a power source for each part requiring the power source of the portable information terminal 10. In step 707, the process proceeds to step 708.

  On the other hand, in step 705, when the power setting method of “no battery charging” is not set and registered as the power setting method registered in the storage unit 208 (NO in step 705), in the portable information terminal 10 “Battery Charging Available” is set and registered, in which power is supplied from the lithium ion battery 210 of the internal battery and charging operation is performed from the AC adapter 303 to the lithium ion battery 210 for each part that requires a power source. Is the case. Therefore, the control unit 207 controls the charging circuit unit 209 to turn on the charging operation for the lithium ion battery 210 from the AC adapter 303 until full charge is reached, and for each part that requires the power source of the portable information terminal 10. After setting the power supply to supply power from the lithium ion battery 210 instead of the DC voltage from the AC adapter 303 as the power supply (step 709), the process proceeds to step 708.

  In step 708, in order to immediately detect that the user has removed the portable information terminal 10 placed on the cradle 301 / wall mount 302 from the cradle 301 / wall mount 302, the control unit 207. Confirms whether or not the portable information terminal 10 has been removed from the stationary table 301 or the wall hanging table 302 based on the detection result of the stationary / wall hanging table detecting unit 103 (step 708).

  Unless the mobile information terminal 10 is detected to be removed from the cradle 301 or the wall cradle 302 as a detection result of the cradle / wall mount detection unit 103 (NO in step 708), the control unit 207 performs step 708. And wait until it is detected that the portable information terminal 10 has been removed. On the other hand, when it is detected that the portable information terminal 10 has been removed from the stationary table 301 or the wall hanging table 302 as a detection result of the stationary / wall hanging table detecting unit 103 (YES in step 708), the control unit 207 First, it is confirmed whether or not power is supplied from the lithium ion battery 210 as a power source for each part requiring the power source of the portable information terminal 10.

  If power is supplied from the lithium ion battery 210 as a power source for each part that requires the power source of the portable information terminal 10, the process returns to step 701 while maintaining the power setting operation. If the power is not supplied, the charging circuit unit 209 is controlled to perform power supply setting to supply power from the lithium ion battery 210 (step 710), and then the process returns to step 701 to perform the next power supply setting operation. Prepare for.

(Explanation of effect of embodiment)
As described in detail above, the portable information terminal 10 according to each embodiment of the present invention has the following effects.

  As a first effect, it is possible to determine whether or not the portable information terminal 10 is placed on the stationary table 301 or the wall hanging table 302 based only on the detection result of the stationary / wall hanging table detection unit 103, and further, the acceleration sensor Since the current angle information from 211 is also used for the determination, even if the stationary / wall-mounted detector 103 mistakenly indicates that the portable information terminal 10 is mounted on the stationary table 301 or the wall-mounted table 302, Even if a situation of detection occurs, it can be set to an invalid state without enabling the pyroelectric sensor function or the power setting function.

  As a second effect, when the user is using the portable information terminal 10 without being placed on the stationary table 301 or the wall hanging table 302, the pyroelectric sensor circuit 206 is turned off and the pyroelectric sensor is turned off. Since the function is set to be invalid, it is possible to reliably prevent the occurrence of a situation where the user detects a power saving factor while using the portable information terminal 10 and interferes with normal use. it can.

  As a third effect, in the state where the portable information terminal 10 is placed on the stationary table 301 or the wall hanging table 302, when the lithium ion battery 210 of the internal battery has reached full charge, the internal battery is connected from the AC adapter 303 to the internal battery. Since the charging operation to the lithium ion battery 210 is stopped and the AC adapter 303 performs power supply control so as to perform only the power supply operation to the site requiring the power of the portable information terminal 10, It is possible to reliably prevent the battery life of the lithium ion battery 210 from being shortened or the battery performance from being deteriorated.

  That is, in the embodiment of the present invention, when it is not detected that the portable information terminal 10 is placed on the stationary table 301 / wall hanging table 302 as a detection result of the stationary / wall hanging table detection unit 103, and Even if it is detected that the portable information terminal 10 is placed on the stationary table 301 / wall hanging table 302 as a detection result of the stationary / wall hanging table detecting unit 103, the portable information terminal 10 read from the acceleration sensor 211 is detected. If the current angle information is not within the angle threshold range registered in advance in the storage unit 208, the portable information terminal 10 is correctly placed on the stationary table 301 or the wall hanging table 302. It is determined that a stable charging operation is possible and a fixed state is not achieved.

  On the other hand, the portable information terminal 10 detects that the portable information terminal 10 is placed on the stationary table 301 / wall hanging table 302 as a detection result of the stationary / wall hanging table detection unit 103 and reads out from the acceleration sensor 211. If the current angle information of 10 is within the angle threshold of the angle threshold registered in advance in the storage unit 208, the portable information terminal 10 is correctly placed on the stationary table 301 or the wall hanging table 302. It is determined that the battery is in a fixed state where stable charging operation is possible.

  Therefore, whether the portable information terminal 10 is in a fixed state in which the portable information terminal 10 is correctly placed and fixed on the stationary table 301 or the wall hanging table 302 is detected from the detection result of the stationary / wall hanging table detection unit 103 and the acceleration sensor 211. Since the determination is made based on both the current angle information and the current angle information, the stationary / wall-hanging detector 103 indicates that the portable information terminal 10 is mounted on the stationary table 301 or the wall-hanging table 302. Even in the case of erroneous detection, it is possible to set the pyroelectric sensor function and the charging function in an invalid state without turning on the pyroelectric sensor circuit 206 and the charging circuit unit 209.

  The configuration of the preferred embodiment of the present invention has been described above. However, it should be noted that such embodiments are merely examples of the present invention and do not limit the present invention in any way. Those skilled in the art will readily understand that various modifications and changes can be made according to a specific application without departing from the gist of the present invention.

10 Mobile Information Terminal 101 Pyroelectric Sensor Lens Unit 102 LCD
DESCRIPTION OF SYMBOLS 103 Deferment / wall mount detection part 104 Charging terminal part 105 KEY operation part 206 Pyroelectric sensor circuit 207 Control part 208 Storage part 209 Charging circuit part 210 Lithium ion battery 211 Acceleration sensor 212 Clock part 301 Deferment stand 302 Wall mount base 303 AC adapter

Claims (10)

  A portable information terminal incorporating an internal battery, wherein the portable information terminal main body is mounted on a stationary table or a wall mount table; At least an acceleration sensor that determines an inclination angle of the X axis / Y axis / Z axis, and the portable information terminal determined by the acceleration sensor when the portable information terminal main body is placed on the stationary table or the wall hanging table. Angle information that takes into account a predetermined variation range for absorbing reading errors with respect to the tilt angle of the X-axis / Y-axis / Z-axis of the information terminal main body is stored in the portable table or the wall mount table. As an angle threshold value that defines an angle range for confirming whether or not the information terminal main body has been correctly placed, it is registered in advance in the storage unit, and the stationary / wall mount inspection is performed. A current inclination angle of the portable information terminal body determined by the acceleration sensor when the portable information terminal body is detected by the unit to be mounted on the stationary table or the wall hanging table, The portable information terminal main body is determined to be in a fixed state in which the portable information terminal main body is correctly placed and fixed on the stationary base or the wall hanging base when it is within the range of the angle threshold value registered in advance in the unit A portable information terminal characterized by that.   A pyroelectric sensor circuit for detecting infrared energy emitted by a human body, and when the portable information terminal main body is determined to be in the fixed state, the pyroelectric sensor circuit is turned on to provide a pyroelectric sensor function; The pyroelectric sensor function is disabled by turning off the pyroelectric sensor circuit when it is determined that the portable information terminal body is not in the fixed state. Mobile information terminals.   A charging circuit unit that charges the internal battery via an AC adapter; and when the portable information terminal main body is determined to be in the fixed state, the charging circuit unit is turned on to connect to the internal battery When charging is performed and it is detected that the internal battery is in a fully charged state, power supply setting for stopping the charging operation to the internal battery is performed, and it is determined that the mobile information terminal main body is not in the fixed state 3. The portable information terminal according to claim 1, wherein the charging circuit unit is turned off and charging to the internal battery is not performed when the charging is performed.   When the portable information terminal main body is mounted on the stationary table or the wall-mounted table, whether power is supplied from the internal battery or power is supplied from the AC adapter to each part requiring power supply Is selected in advance, and the selected power supply method is registered in advance in the storage unit as a power setting method. If it is determined that the mobile information terminal main body is in the fixed state, it is registered in advance in the storage unit. 4. The power supply according to claim 1, wherein power is supplied from the AC adapter or the internal battery to each part that requires power supply in accordance with the power control method. Mobile information terminal.   The stationary / wall-hanging detector is a hardware switch that switches an ON / OFF state of the switch by mechanical displacement, or a magnetism that is switched by a magnetism detection result from a magnet mounted on the stationary or wall-mounting table. The portable information terminal according to claim 1, wherein the portable information terminal is formed by a switch.   A portable information terminal control method for controlling the operation of a portable information terminal incorporating an internal battery, wherein the portable information terminal main body is mounted on a stationary table or a wall mount table. And at least an acceleration determination step for determining an inclination angle of the current X-axis / Y-axis / Z-axis of the portable information terminal main body, and the portable information terminal main body is mounted on the stationary table or the wall hanging table. In the case where the mobile information terminal main body is determined by the acceleration determination step, the X-axis / Y-axis / Z-axis tilt angle is determined by taking into account a predetermined variation range for absorbing reading errors. Information as an angle threshold value that defines an angle range for confirming whether or not the portable information terminal main body is correctly placed on the stationary table or the wall hanging table When it is registered in advance in the storage unit and it is detected that the portable information terminal main body is placed on the stationary table or the wall hanging table by the stationary / wall hanging table detecting step, the acceleration determining step When the determined current inclination angle of the portable information terminal main body is within the range of the angle threshold registered in advance in the storage unit, the portable information terminal main body is placed on the stationary table or the wall hanging A control method for a portable information terminal, characterized in that the mobile information terminal is determined to be in a fixed state in which it is correctly placed and fixed on a table.   It has a pyroelectric sensor step for detecting infrared energy emitted by a human body, and when it is determined that the portable information terminal main body is in the fixed state, the pyroelectric sensor function by the pyroelectric sensor step is enabled, 7. The method for controlling a portable information terminal according to claim 6, wherein when it is determined that the portable information terminal main body is not in the fixed state, the pyroelectric sensor function by the pyroelectric sensor step is invalidated. .   A charging step of charging the internal battery via an AC adapter, and when the portable information terminal main body is determined to be in the fixed state, the charging step performs charging of the internal battery; When it is detected that the internal battery is in a fully charged state, power setting for stopping the charging operation to the internal battery is performed, and when it is determined that the portable information terminal main body is not in the fixed state The method for controlling a portable information terminal according to claim 6 or 7, wherein the internal battery is not charged in the charging step.   When the portable information terminal main body is mounted on the stationary table or the wall-mounted table, whether power is supplied from the internal battery or power is supplied from the AC adapter to each part requiring power supply Is selected in advance, and the selected power supply method is registered in advance in the storage unit as a power setting method. If it is determined that the mobile information terminal main body is in the fixed state, it is registered in advance in the storage unit. 9. The power supply according to claim 6, wherein power is supplied from the AC adapter or from the internal battery to each part requiring power supply in accordance with the power control method performed. Control method for portable information terminal.   10. A portable information terminal control program, wherein the portable information terminal control method according to claim 6 is implemented as a program executable by a computer.

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