JP5710809B2 - Dimension measurement terminal - Google Patents

Description

  The present invention relates to a technique for measuring the size of an object using a mobile terminal.

  Non-Patent Document 1 discloses an application program that displays an image of a ruler on the screen of a mobile terminal. You can measure the length using a ruler displayed on the screen.

  Patent document 1 is disclosing the portable electronic device comprised so that the length of an object could be measured. The portable electronic device includes a display unit and a housing. The display unit includes an image display area that is transparent when an image is not displayed. The display unit is disposed inside the housing. In the case, a portion corresponding to the image display area is formed of a transparent material. The display unit displays an image of the ruler in the image display area.

  With the above technique, it is impossible to measure the dimension of an object to be measured that is larger than the screen size.

  Non-Patent Document 2 measures the dimension of a measurement object based on the principle of triangulation from the photograph of the measurement object photographed with a portable terminal, the angle of the portable terminal at the time of photographing, and the height of the photographer. An application program is disclosed.

  According to the above technique, it is possible to measure the dimension of an object to be measured that is larger than the screen size. However, since the height changes with time, the above technique cannot measure the dimensions with high accuracy unless the latest height is always set.

  Patent Document 2 discloses a cellular phone configured to be able to easily measure the dimensions of an object. The mobile phone includes a movement detection sensor, a relative position related processing unit, and a display unit. A triaxial acceleration sensor is used as the movement detection sensor. When the mobile phone is moved, the triaxial acceleration sensor detects not only the horizontal X-axis direction and the Y-axis direction but also the movement amount in the Z-axis direction perpendicular to the horizontal direction. When the user moves the mobile phone, the relative position related processing unit calculates a current position coordinate associated therewith. The display unit displays position coordinates.

  According to the above technique, it is possible to measure the dimension of an object to be measured that is larger than the screen size. Furthermore, since the above technique does not use the height of the photographer, it is considered that the dimensions can be measured with high accuracy.

  There is a need for another technique that can measure the dimension of an object to be measured larger than the screen size with high accuracy.

  On the other hand, the following technology is known for a portable terminal equipped with a gravity sensor. The following technology does not use a gravity sensor for dimension measurement.

  Patent Document 3 discloses a mobile phone. The mobile phone includes an upper housing, a lower housing, a hinge mechanism that connects the doors to be openable, a touch pad provided in the upper housing, and a gravity sensor provided in the upper housing. Based on the detection signal output from the gravity sensor, the attitude of the upper housing is determined. Based on the posture of the upper housing, the position of the function assigned to the plurality of positions of the touch pad is changed.

  Patent document 4 is disclosing the portable terminal device. The mobile terminal device includes an upper casing, a lower casing, a hinge that connects the casings in a foldable manner, a front display, a front backlight, a rear display, a rear backlight, a gravity sensor, and a control circuit. Is provided. The front display, the front backlight, the rear display, the rear backlight, and the gravity sensor are provided in the upper casing. The upper housing and the lower housing are folded so that the front display and the front backlight are inside. The rear display and the rear backlight are provided outside the upper housing. The gravity sensor detects the angle of the mobile terminal device with respect to the direction of gravity and sends the angle information to the control circuit. The control circuit controls on / off of operations of the front display, the front backlight, the rear display, and the rear backlight based on the angle information.

  Patent Document 5 discloses a portable information terminal. The portable information terminal includes a display device, a plurality of operation keys, a gravity sensor that detects the direction of gravity, and a control unit that assigns a key code to each operation key. The plurality of operation keys are provided on a surface opposite to the surface on which the display surface of the display device is provided. Based on the input signal from the gravity sensor, the control unit determines whether the display surface is in the first state with the display surface facing up or the second state with the surface on the opposite side facing up. The control unit switches the assignment of the key code to each operation key according to the determination result.

  Patent document 6 is disclosing the portable terminal with a camera. The camera-equipped mobile terminal includes a camera module, a first rotation shaft portion, a second rotation shaft portion, and a gravity sensor. The first rotation shaft portion includes a first rotation actuator that rotates the optical axis of the camera module about the first rotation axis. The second rotation shaft portion includes a second rotation actuator that rotates the optical axis of the camera module about the second rotation axis. Based on the gravity direction detected by the gravity sensor, the tilt angle of the camera module with respect to the horizontal direction in the optical axis direction is obtained. Based on the tilt angle, the first and second rotating actuators are controlled to make the optical axis direction of the camera module substantially parallel to the horizontal direction.

JP 2011-166629 A JP 2008-97144 A JP 2006-350814 A JP 2007-281864 A JP 2010-27090 A JP 2011-19094 A

iScale, [online], [October 14, 2011 search], Internet <URL: http: // pcf. axisdesign. org / blog / phonephone> Room Ruler, [online], [October 14, 2011 search], Internet <URL: http: // www. Shusaku. co. jp / ip / sub1. html>

  An object of the present invention is to provide a portable terminal, a dimension measuring system, a dimension measuring method, and a dimension measuring program that are suitable for use in measuring the dimension of a measurement object having a size larger than the screen size with high accuracy.

In one aspect of the present invention, the mobile terminal includes a posture sensor that detects posture information of the mobile terminal, a storage unit that holds a reference dimension, and the size of the object to be measured based on the posture information and the reference dimension. a processing unit for calculations, and a display unit for displaying the dimensions on the display screen, the posture information includes rotation angle of the mobile terminal, the present portable terminal while the horizontal normals of the display screen wherein the rotation angle is changed when rotating in a plane perpendicular to the normal, the processing unit, based on the trigonometric function and the reference dimension using the rotation angle to calculate the dimensions.

In another aspect of the present invention, the dimension measurement system, and the mobile terminal, and a rectangular case, the reference dimension, including the length of the longitudinal direction of the rectangular case, and a length in the horizontal direction of the rectangular case seen, the rectangular case, the longitudinal direction, the transverse direction, and the normal to store the portable terminal so as to be perpendicular to each other.

In another aspect of the present invention, the dimension measuring method is a dimension measuring method by a portable terminal , the portable terminal holds a reference dimension in a storage unit, and the attitude sensor of the portable terminal is attitude information of the portable terminal. A detecting step for detecting the object, a processing step for the processing unit of the portable terminal to calculate a dimension of the object to be measured based on the posture information and the reference dimension, and a display unit for the portable terminal displaying the dimension on the display screen The posture information includes a rotation angle of the mobile terminal, and the mobile terminal is rotated in a plane perpendicular to the normal while the normal of the display screen is horizontal. And the processing step includes a calculation step of calculating the dimension based on a trigonometric function using the rotation angle and the reference dimension .

In another aspect of the present invention, the dimension measurement program is a dimension measurement program that causes a portable terminal to perform dimension measurement, the portable terminal holds a reference dimension in a storage unit, and the attitude sensor of the portable terminal A detecting step for detecting posture information of the mobile terminal; a processing step in which a processing unit of the mobile terminal calculates a dimension of the object to be measured based on the posture information and the reference dimension; and a display unit of the mobile terminal Display on a display screen, and the posture information includes a rotation angle of the mobile terminal, and the mobile terminal is placed in a plane perpendicular to the normal with the normal of the display screen horizontal. And the processing step includes a calculation step of calculating the dimension based on a trigonometric function using the rotation angle and the reference dimension .

  ADVANTAGE OF THE INVENTION According to this invention, the portable terminal suitable for the use which measures the dimension of the to-be-measured object larger than a screen size with high precision, a dimension measuring system, the dimension measuring method, and a dimension measuring program are provided.

FIG. 1 is a block diagram of a mobile terminal according to the first embodiment of the present invention. FIG. 2 is a front view of the mobile terminal. FIG. 3 shows the contents displayed on the display screen of the mobile terminal. FIG. 4 shows the definition of the rotation angle of the mobile terminal. FIG. 5 shows the relationship between the attitude of the mobile terminal and the rotation angle. FIG. 6 is a flowchart of processing executed by the mobile terminal. FIG. 7 is a flowchart of a measurement process executed by the mobile terminal. FIG. 8 is a flowchart of processes included in the measurement process. FIG. 9 is a flowchart of processes included in the measurement process. FIG. 10 is a flowchart of processes included in the measurement process. FIG. 11 is a flowchart of processes included in the measurement process. FIG. 12 is a conceptual diagram illustrating the dimension measuring method according to the first embodiment. FIG. 13 is a perspective view of a dimension measuring system according to the second embodiment of the present invention. FIG. 14 is a perspective view of a dimension measuring system according to the third embodiment of the present invention. FIG. 15 shows the contents displayed on the display screen of the portable terminal provided in the dimension measuring system according to the third embodiment. FIG. 16 is a flowchart of measurement processing executed by the mobile terminal according to the third embodiment. FIG. 17 is a conceptual diagram illustrating a dimension measuring method according to the third embodiment. FIG. 18 shows the contents displayed on the display screen of the mobile terminal according to the fourth embodiment of the present invention. FIG. 19 shows the definition of the tilt angle of the mobile terminal. FIG. 20 shows the relationship between the attitude of the mobile terminal and the tilt angle. FIG. 21 is a flowchart of processing executed by the mobile terminal according to the fourth embodiment. FIG. 22 is a conceptual diagram illustrating a method of measuring the horizontal dimension using a mobile terminal.

  With reference to the attached drawings, a portable terminal, a dimension measuring system, a dimension measuring method, and a dimension measuring program according to the present invention will be described below.

(First embodiment)
With reference to FIG. 1, the portable terminal 1 which concerns on the 1st Embodiment of this invention is demonstrated. Specific examples of the mobile terminal 1 include a smartphone (high function mobile phone) and a tablet terminal. The mobile terminal 1 includes a display unit 11, an input unit 12, a posture sensor 13, a processing unit 14, and a storage unit 15. The input unit 12 includes, for example, a touch sensor. The user operates the mobile terminal 1 using the input unit 12. The input unit 12 generates a signal indicating a user instruction and outputs the signal to the processing unit 14. The storage unit 15 holds data and computer programs. The storage unit 15 preferably includes a non-volatile storage device such as a flash memory so that information can be retained even when power is not supplied. The posture sensor 13 detects the posture information of the mobile terminal 1 based on the direction of geomagnetism, the direction of gravitational acceleration, or both, and outputs the posture information to the processing unit 14. The attitude sensor 13 may include a gravitational acceleration sensor and a geomagnetic sensor. The processing unit 14 executes processing according to a computer program held in the storage unit 15. This computer program may be provided via the Internet or may be provided by being recorded on a recording medium such as an optical disk or a magnetic disk. The display unit 11 includes, for example, a liquid crystal display device. The display unit 11 displays the processing status and processing result by the processing unit 14 to the user.

  With reference to FIG. 2, the shape of the portable terminal 1 is a rectangular parallelepiped. The display unit 11 includes a rectangular display screen 110. The display screen 110 and the input unit 12 form a touch panel. A normal vector N, a vertical vector X, and a horizontal vector Y of the display screen 110 are shown. The normal vector N, the vertical vector X, and the horizontal vector Y are fixed with respect to the mobile terminal 1. The normal vector N, the vertical vector X, and the horizontal vector Y are perpendicular to each other. The normal vector N is an outward vector perpendicular to the display screen 110. The vertical vector X is parallel to the vertical side 110 a of the display screen 110 and the vertical side 1 a of the mobile terminal 1. The vertical vector X faces upward on the display screen 110. The horizontal vector Y is parallel to the horizontal side 110 b of the display screen 110 and the horizontal side 1 b of the mobile terminal 1. The horizontal vector Y faces the left side of the display screen 110. The length a in the vertical direction of the mobile terminal 1 is equal to the length of the vertical side 1a, and the length b in the horizontal direction of the mobile terminal 1 is equal to the length of the horizontal side 1b. The vertical direction and the horizontal direction of the mobile terminal 1 are parallel to the vertical vector X and the horizontal vector Y, respectively. As shown in FIG. 2, the vertical side 110a is longer than the horizontal side 110b, and the vertical side 1a is longer than the horizontal side 1b.

  FIG. 3 shows the contents displayed on the display screen 110. The display screen 110 displays a dimension display area 111, a measurement start button 112, a reference dimension setting area 113, and a setting button 115. The dimension display area 111 is an area for displaying dimensions measured by the mobile terminal 1. Dimensions are displayed in millimeters. The measurement start button 112 is a button for starting a dimension measurement process. The reference dimension setting area 113 is an area for setting a reference dimension used for the measurement process. The user sets the vertical length a and the horizontal length b of the mobile terminal 1 in the reference dimension setting region 113 as reference dimensions. The unit of the length a in the vertical direction and the length b in the horizontal direction of the mobile terminal 1 is millimeters. When the vertical length a and the horizontal length b of the portable terminal 1 set in the past are held in the storage unit 15, the reference dimension setting area 113 is held in the storage device 15. The vertical length a and the horizontal length b of the terminal 1 may be displayed as initial values. When the user touches or presses the setting button 115, the input unit 12 notifies the processing unit 14 that the setting button 115 has been operated. The processing unit 14 stores the vertical length “a” and the horizontal length “b” of the mobile terminal 1 set in the reference dimension setting region 113 in the storage unit 15 and holds them.

  With reference to FIG. 4, the rotation angle (roll) θ of the mobile terminal 1 will be described. The rotation angle θ is an angle between the vertically upward vector V and the vertical vector X. When the mobile terminal 1 is rotated in a plane perpendicular to the normal vector N in a state where the normal vector N is horizontal, the rotation angle θ changes. The posture information detected by the posture sensor 13 includes a rotation angle θ. The attitude sensor 13 detects the rotation angle θ and outputs it to the processing unit 14.

  With reference to FIG. 5, a change in the rotation angle θ when the mobile terminal 1 is rotated in a plane perpendicular to the normal vector N while the normal vector N is horizontal will be described. When the mobile terminal 1 takes a posture in which the vertical vector X is vertically upward, the rotation angle θ is zero. When the portable terminal 1 is rotated so that the horizontal vector Y faces upward from this posture, the rotation angle θ increases. When the mobile terminal 1 takes a posture in which the horizontal vector Y is vertically upward, the rotation angle θ is +90. When the portable terminal 1 is rotated so that the vertical vector X faces downward from this posture, the rotation angle θ increases. When the mobile terminal 1 takes a posture in which the vertical vector X is vertically downward, the rotation angle θ is +180. On the other hand, when the mobile terminal 1 is rotated so that the horizontal vector Y faces downward from the posture in which the vertical vector X is vertically upward (the posture in which the rotation angle θ is 0), the rotation angle θ is decreased. When the mobile terminal 1 takes a posture in which the horizontal vector Y is vertically downward, the rotation angle θ is −90. When the portable terminal 1 is rotated from this posture so that the vertical vector X faces downward, the rotation angle θ decreases. When the mobile terminal 1 takes a posture in which the vertical vector X is vertically downward, the rotation angle θ is −180. When the mobile terminal 1 is rotated beyond the posture in which the vertical vector X is vertically downward, the sign of the rotation angle θ is reversed.

  FIG. 6 is a flowchart of processing executed by the mobile terminal 1. This process includes steps S10 and S20. In step S10, when the processing unit 14 receives a notification from the input unit 12 that the measurement start button 112 has been pressed, the process proceeds to step S20. In step S <b> 20, the mobile terminal 1 executes a measurement process for measuring the dimension of the object to be measured. During the execution of the measurement process, the posture sensor 13 detects the posture information of the mobile terminal 1 in real time and outputs it to the processing unit 14.

  FIG. 7 is a flowchart of step S20. Step S20 includes steps S21 to S29. In step S <b> 21, the processing unit 14 reads the reference dimensions a and b (the vertical length a and the horizontal length b of the mobile terminal 1) from the storage unit 15. In step S <b> 22, the processing unit 14 resets the value of the temporary storage variable z used for calculating the dimension of the device under test to 0.

  In step S <b> 23, the processing unit 14 determines the current posture of the mobile terminal 1 based on the rotation angle θ obtained from the posture sensor 13. When −10 <θ <10, that is, when | θ | <10, the processing unit 14 determines that the measurement start button 112 is pressed while the vertical vector X is substantially vertically upward, and proceeds to step S26. Here, | θ | indicates the magnitude of the rotation angle θ. If | θ | <10 is not satisfied, the process proceeds to step S24.

  In step S <b> 24, the processing unit 14 determines the current posture of the mobile terminal 1 based on the rotation angle θ obtained from the posture sensor 13. When 80 <| θ | <100, the processing unit 14 is in a state where the vertical vector X is substantially horizontal and the horizontal vector Y is generally vertically upward, or the vertical vector X is generally horizontal and the horizontal vector Y is generally vertically downward. In this state, it is determined that the measurement start button 112 has been pressed, and the process proceeds to step S27. If not 80 <| θ | <100, the process proceeds to step S25.

  In step S <b> 25, the processing unit 14 determines the current posture of the mobile terminal 1 based on the rotation angle θ obtained from the posture sensor 13. If 170 <| θ |, the processing unit 14 determines that the measurement start button 112 is pressed while the vertical vector X is substantially vertically downward, and proceeds to step S28. If not 170 <| θ |, the process proceeds to step S23.

FIG. 8 is a flowchart of step S26. Step S26 includes steps S261 to S263. In step S261, the processing unit 14 adds the reference dimension a to the temporary storage variable z. In step S262, the processing unit 14 uses the following formula:
h = z + b | sin θ |
And the display unit 11 displays the calculation result in the dimension display area 111. Here, θ is the rotation angle θ obtained from the attitude sensor 13 at the time of execution of step S262, and b is the reference dimension b acquired in step S21. In step S <b> 263, the processing unit 14 determines whether or not | θ | ≧ 90 based on the rotation angle θ obtained from the attitude sensor 13. When | θ | ≧ 90, it is determined that the rotation of the mobile terminal 1 has exceeded ¼ rotation, and the process proceeds to step S27. If | θ | ≧ 90 is not satisfied, the process returns to step S262.

FIG. 9 is a flowchart of step S27. Step S27 includes steps S271 to S273. In step S271, the processing unit 14 adds the reference dimension b to the temporary storage variable z. In step S272, the processing unit 14 uses the following formula:
h = z + a × sin (| θ | −90)
And the display unit 11 displays the calculation result in the dimension display area 111. Here, θ is the rotation angle θ obtained from the attitude sensor 13 at the time of execution of step S272, and a is the reference dimension a acquired in step S21. In step S273, the processing unit 14 determines whether the sign of the rotation angle θ obtained from the attitude sensor 13 is reversed. When the sign of θ is reversed, it is determined that the rotation of the mobile terminal 1 has exceeded 1/2 rotation, and the process proceeds to step S28. If the sign of θ is not reversed, the process returns to step S272.

FIG. 10 is a flowchart of step S28. Step S28 includes steps S281 to S283. In step S281, the processing unit 14 adds the reference dimension a to the temporary storage variable z. In step S282, the processing unit 14 uses the following formula:
h = z + b × sin (180− | θ |)
And the display unit 11 displays the calculation result in the dimension display area 111. Here, θ is the rotation angle θ obtained from the attitude sensor 13 at the time of execution of step S282, and b is the reference dimension b acquired in step S21. In step S283, the processing unit 14 determines whether or not | θ | ≦ 90 based on the rotation angle θ obtained from the attitude sensor 13. If | θ | ≦ 90, it is determined that the rotation of the mobile terminal 1 has exceeded 3/4 rotation, and the process proceeds to step S29. If | θ | ≦ 90 is not satisfied, the process returns to step S282.

FIG. 11 is a flowchart of step S29. Step S29 includes steps S291 to S293.
In step S291, the processing unit 14 adds the reference dimension b to the temporary storage variable z. In step S292, the processing unit 14 uses the following formula:
h = z + a × sin (90− | θ |)
And the display unit 11 displays the calculation result in the dimension display area 111. Here, θ is the rotation angle θ obtained from the attitude sensor 13 at the time of execution of step S292, and a is the reference dimension a acquired in step S21. In step S293, the processing unit 14 determines whether the sign of the rotation angle θ obtained from the attitude sensor 13 is reversed. When the sign of θ is reversed, it is determined that the rotation of the mobile terminal 1 has exceeded one rotation, and the process proceeds to step S26. If the sign of θ is not reversed, the process returns to step S292.

  Hereinafter, the dimension measuring method using the portable terminal 1 will be specifically described.

(Standard dimension setting)
With reference to FIG. 3, the setting (initial setting) of the reference dimension will be described. Here, the case where the longitudinal length a of the mobile terminal 1 is 120 mm and the lateral length b of the mobile terminal 1 is 60 mm is used as an example. When the mobile terminal 1 is activated, the display unit 11 displays a dimension display area 111, a measurement start button 112, a reference dimension setting area 113, and a setting button 115 on the display screen 110. Here, when the mobile terminal 1 is activated for the first time, since the vertical length a and the horizontal length b are not recorded as the reference dimensions in the storage unit 15, nothing is input in the reference dimension setting area 113. It is displayed in a blank state. The user operates the input unit 12 to input 120 which is the value of the length a in the vertical direction of the mobile terminal 1 and 60 which is the value of the length b in the horizontal direction of the mobile terminal 1 in the reference dimension setting region 113. To do. The user presses the setting button 115 after completing the input. When the setting button 115 is pressed, the storage unit 15 stores the vertical length a (= 120) of the mobile terminal 1 and the horizontal length b (= 60) of the mobile terminal 1 input to the reference dimension setting area 113. ). Setting (initial setting) of the reference dimensions a and b is completed.

(Measurement process)
A measurement process for measuring the dimension h of the object to be measured using the mobile terminal 1 will be described with reference to FIGS. Here, a case where the longitudinal length a of the mobile terminal 1 is 120 mm, the lateral length b of the mobile terminal 1 is 60 mm, and the dimension h is the height of the DUT 2 is used as an example. It is assumed that the height of the DUT 2 is 240 mm. It is assumed that the length a in the vertical direction and the length b in the horizontal direction of the mobile terminal 1 are already set in the storage unit 15 as the reference dimensions a and b.

  Referring to FIG. 12, the user installs device under test 2 on horizontal surface 3 such that the side to be measured of device under test 2 is vertical. The horizontal surface 3 is the ground surface, the floor surface, the upper surface of the table, or the like.

  Referring to FIG. 3, when the user activates portable terminal 1, dimension display area 111, measurement start button 112, reference dimension setting area 113, and setting button 115 are displayed on display screen 110 of display unit 11. Here, the processing unit 14 reads the reference dimensions a and b from the storage unit 15 and displays them in the reference dimension setting area 113 as initial values.

  Referring to FIG. 12, next, the user holds the mobile terminal 1 by hand with the vertical side 1a or the horizontal side 1b of the mobile terminal 1 aligned with the upper end of the side to be measured of the device under test 2. Then, the measurement start button 112 is pressed. Hereinafter, the measurement start button 112 is pressed in a state where the portable terminal 1 is held at the position P101 (that is, a state where the vertical side 1a of the portable terminal 1 is aligned with the upper end of the side to be measured of the DUT 2). Explain the case.

  When measurement start button 112 is pressed (YES in step S10), portable terminal 1 starts measurement processing (step S20). During the execution of the measurement process, the posture sensor 13 detects the posture information of the mobile terminal 1 in real time and outputs it to the processing unit 14.

  The processing unit 14 reads the reference dimensions a and b from the storage unit 15 (step S21). That is, the length a (= 120) in the vertical direction and the length b (= 60) in the horizontal direction of the mobile terminal 1 are read.

  The processing unit 14 resets the value of the temporary storage variable z used for calculating the dimension h of the DUT 2 to 0 (step S22).

  The processing unit 14 determines the current posture of the mobile terminal 1 based on the rotation angle θ obtained from the posture sensor 13 (steps S23 to S25). The measurement start button 112 is pressed in a state where the portable terminal 1 is held at the position P101 shown in FIG. 12 (a state in which the vertical side 1a of the portable terminal 1 is aligned with the upper end of the side to be measured of the DUT 2). The rotation angle θ obtained from the attitude sensor 13 is zero. Therefore, the process proceeds to step S26 (YES in step S23).

  The processing unit 14 adds the reference dimension a to the temporary storage variable z set to 0 in step S22 (step S261). As a result, z = 120.

The processing unit 14 has the following formula:
h = z + b | sin θ |
Based on the above, the dimension h of the DUT 2 is calculated, and the display unit 11 displays the calculation result in the dimension display area 111 (S262). Since θ = 0 immediately after the measurement start button 112 is pressed, h = z. Therefore, “120” is displayed in the dimension display area 111.

  Referring to FIG. 12, the user moves toward position P <b> 102 along the side to be measured of measurement object 2 while rotating portable terminal 1. The user rolls the mobile terminal 1 along the device under test 2 so that the mobile terminal 1 does not slide against the device under test 2. At this time, the magnitude | θ | of the rotation angle θ obtained from the attitude sensor 13 increases, and accordingly, the value of the dimension h displayed in step S262 also increases (NO in step S262 and step S263).

  When the mobile terminal 1 reaches the position P102, | θ | = 90. Then, the process part 14 determines with rotation of the portable terminal 1 having exceeded 1/4 rotation, and moves to step S27 (in step S263 YES).

  The processing unit 14 adds the reference dimension b to the temporary storage variable z set in step S261 (step S271). As a result, z = 180.

The processing unit 14 has the following formula:
h = z + a × sin (| θ | −90)
Based on the above, the dimension h of the DUT 2 is calculated, and the display unit 11 displays the calculation result in the dimension display area 111 (step S272). Since | θ | = 90 at the position P102, h = z. Therefore, “180” is displayed in the dimension display area 111.

  Referring to FIG. 12, the user moves along the side to be measured of measurement object 2 while rotating portable terminal 1 from position P102 toward horizontal plane 3 (that is, toward position P103). At this time, the magnitude | θ | of the rotation angle θ obtained from the attitude sensor 13 increases, and accordingly, the value of the dimension h displayed in step S272 also increases (NO in steps S272 and S273).

Referring to FIG. 12, the value of dimension h displayed in dimension display area 111 in a state where mobile terminal 1 has reached position P103 (a part of mobile terminal 1 is in contact with horizontal surface 3) A height h of 2 is indicated. At this time, if | θ | = 120, the height h of the DUT 2 is expressed by the following formula:
h = 180 + 120 × sin (120−90)
Thus, h = 240 is obtained. As described above, the vertical dimension h of the DUT 2 could be measured.

  The case where the dimension display area 111, the measurement start button 112, the reference dimension setting area 113, and the setting button 115 are displayed on the display screen 110 of the display unit 11 when the mobile terminal 1 is activated has been described above. It is implemented as application software, and when the application software is started, the dimension display area 111, the measurement start button 112, the reference dimension setting area 113, and the setting button 115 are displayed on the display screen 110 of the display unit 11. Also good.

  According to this embodiment, the dimension of the DUT 2 based on the posture information (rotation angle θ) of the mobile terminal 1 and the reference dimensions (the vertical length a and the horizontal length b of the mobile terminal 1). Calculate h. Therefore, the dimension h of the DUT 2 that is larger than the size of the display screen 110 of the mobile terminal 1 can be measured with high accuracy using the mobile terminal 1.

(Second Embodiment)
FIG. 13 shows a dimension measurement system 10 according to a second embodiment of the present invention. The dimension measuring system 10 includes a mobile terminal 1 and an auxiliary case 21. The mobile terminal 1 according to the present embodiment has a shape that is not a rectangular parallelepiped, for example, rounded corners. The portable terminal 1 according to the present embodiment is configured in the same manner as the portable terminal 1 according to the first embodiment and performs the same operation except for this point and the points described below. The auxiliary case 21 is a conversion device that converts the mobile terminal 1 having a shape that is not a rectangular parallelepiped into a rectangular parallelepiped. Therefore, the auxiliary case 21 may be referred to as a rectangular case. By storing the portable terminal 1 in the auxiliary case 21, the dimension of the object to be measured can be accurately measured even when the shape of the portable terminal 1 is not a rectangular parallelepiped. The portable terminal 1 is placed in the auxiliary case 21 so that the vertical side 21a of the auxiliary case 21 is parallel to the vertical side 110a of the display screen 110 and the horizontal side 21b of the auxiliary case 21 is parallel to the horizontal side 110b of the display screen 110. Store. Therefore, the vertical side 21 a and the horizontal side 21 b are perpendicular to the normal vector N of the display screen 110. The length a of the auxiliary case 21 in the vertical direction is equal to the length of the vertical side 21a. The length b of the auxiliary case 21 in the horizontal direction is equal to the length of the horizontal side 21b.

  In the present embodiment, the dimensions of the object to be measured are measured using the mobile terminal 1 stored in the auxiliary case 21. Here, the vertical length a and the horizontal length b of the auxiliary case 21 are used as reference dimensions. In addition, by forming the auxiliary case 21 with a material having high friction such as rubber, it is possible to prevent the auxiliary case 21 and the object to be measured from slipping and to improve the measurement accuracy.

(Third embodiment)
FIG. 14 shows a dimension measurement system 10 according to the third embodiment of the present invention. The dimension measurement system 10 includes a mobile terminal 1 and an auxiliary case 22. The mobile terminal 1 according to the present embodiment has a shape that is not a rectangular parallelepiped, for example, rounded corners. The portable terminal 1 according to the present embodiment is configured in the same manner as the portable terminal 1 according to the first embodiment and performs the same operation except for this point and the points described below. The auxiliary case 22 is a conversion device that converts the mobile terminal 1 having a shape that is not a rectangular parallelepiped into a cylinder. Therefore, the auxiliary case 22 may be referred to as a circular case. By storing the portable terminal 1 in the auxiliary case 22, even when the shape of the portable terminal 1 is not a rectangular parallelepiped, the dimension of the object to be measured can be accurately measured. The portable terminal 1 is stored in the auxiliary case 22 so that the direction of the diameter c of the auxiliary case 22 is perpendicular to the normal vector N of the display screen 110.

  In the present embodiment, the dimensions of the object to be measured are measured using the mobile terminal 1 stored in the auxiliary case 22. Here, the diameter c of the auxiliary case 22 is used as a reference dimension. In addition, by forming the auxiliary case 22 with a material having high friction such as rubber, it is possible to prevent the auxiliary case 22 and the object to be measured from slipping and to improve the measurement accuracy.

  Hereinafter, the dimension measuring method according to the present embodiment will be described in detail.

  FIG. 15 shows the contents displayed on the display screen 110 in the present embodiment. The display screen 110 displays a dimension display area 111, a measurement start button 112, a reference dimension setting area 113, and a setting button 115. The dimension display area 111 is an area for displaying dimensions measured by the mobile terminal 1. Dimensions are displayed in millimeters. The measurement start button 112 is a button for starting a dimension measurement process. The reference dimension setting area 113 is an area for setting a reference dimension used for the measurement process. The user sets the diameter c of the auxiliary case 22 in the reference dimension setting region 113 as a reference dimension. The unit of the diameter c of the auxiliary case 22 is millimeter. When the diameter c of the auxiliary case 22 set in the past is held in the storage unit 15, the reference dimension setting area 113 displays the diameter c of the auxiliary case 22 held in the storage device 15 as an initial value. May be. When the user touches or presses the setting button 115, the input unit 12 notifies the processing unit 14 that the setting button 115 has been operated. The processing unit 14 stores the diameter c of the auxiliary case 22 set in the reference dimension setting region 113 in the storage unit 15 and holds it.

  FIG. 16 is a flowchart of step S30 executed by the mobile terminal 1 according to the present embodiment. The mobile terminal 1 according to the present embodiment executes step S30 instead of step S20. In step 30, the mobile terminal 1 executes a measurement process for measuring the dimension of the object to be measured. During the execution of the measurement process, the posture sensor 13 detects the posture information of the mobile terminal 1 in real time and outputs it to the processing unit 14.

  Step S30 includes steps S31 to S36. In step S <b> 31, the processing unit 14 reads the reference dimension c (the diameter c of the auxiliary case 22) from the storage unit 15. In step S <b> 32, the processing unit 14 sets the absolute value (magnitude) | θ | of the rotation angle θ obtained from the attitude sensor 13 as the value of the temporary storage variable defdeg used for calculating the dimension of the object to be measured. To do. By setting | θ | at the start of the measurement process (when the measurement start button 112 is pressed) to the temporary storage variable defdeg, no matter what value the rotation angle θ starts, The dimensions of the measurement object can be measured accurately. In step S33, the processing unit 14 resets the value of the temporary storage variable deg used for calculating the dimension of the device under test to 0.

In step S34, the processing unit 14 uses the following formula:
h = c × π × (| θ | + deg−defdeg) / 360 + c
And the display unit 11 displays the calculation result in the dimension display area 111. Here, θ is the rotation angle θ obtained from the attitude sensor 13 at the time of execution of step S34, c is the reference dimension c acquired in step S31, and π is the circumference. In step S <b> 35, the processing unit 14 determines whether the sign of the rotation angle θ obtained from the attitude sensor 13 is reversed. When the sign of θ is reversed (YES in step S35), it is determined that the rotation of the mobile terminal 1 has exceeded 1/2 rotation, and the process proceeds to step S36. If the sign of θ is not reversed (NO in step S35), the process returns to step S34. In step S36, the processing unit 14 adds 180 to the temporary storage variable deg. After step S36, the process returns to step S34. Therefore, 180 is added to the temporary storage variable deg every time the mobile terminal 1 makes a half rotation.

  Hereinafter, a dimension measuring method using the dimension measuring system 10 according to the present embodiment will be specifically described.

(Standard dimension setting)
With reference to FIG. 15, reference dimension setting (initial setting) will be described. Here, the case where the diameter c of the auxiliary case 22 is 160 mm is used as an example. When the mobile terminal 1 is activated, the display unit 11 displays a dimension display area 111, a measurement start button 112, a reference dimension setting area 113, and a setting button 115 on the display screen 110. Here, when the portable terminal 1 is activated for the first time, since the diameter c is not recorded as the reference dimension in the storage unit 15, the reference dimension setting area 113 is displayed in a blank state where nothing is input. The user operates the input unit 12 to input 160 which is the value of the diameter c of the auxiliary case 22 in the reference dimension setting region 113. The user presses the setting button 115 after completing the input. When the setting button 115 is pressed, the storage unit 15 stores the diameter c (= 160) of the auxiliary case 22 input to the reference dimension setting area 113. The setting (initial setting) of the reference dimension c is completed.

(Measurement process)
A measurement process for measuring the dimension h of the object to be measured using the dimension measurement system 10 according to the present embodiment will be described with reference to FIGS. Here, a case where the diameter c of the auxiliary case 22 is 160 mm and the dimension h is the height of the DUT 2 is used as an example. The height of the DUT 2 is assumed to be 480 mm. It is assumed that the diameter c of the auxiliary case 22 is already set in the storage unit 15 as the reference dimension c.

  Referring to FIG. 17, the user installs device under test 2 on horizontal surface 3 such that the side to be measured of device under test 2 is vertical. The horizontal surface 3 is the ground surface, the floor surface, the upper surface of the table, or the like.

  When the user activates the portable terminal 1, a dimension display area 111, a measurement start button 112, a reference dimension setting area 113, and a setting button 115 are displayed on the display screen 110 of the display unit 11. Here, the processing unit 14 reads the reference dimension c (= 160) from the storage unit 15 and displays it in the reference dimension setting area 113 as an initial value.

  Referring to FIG. 17, next, the user holds the dimension measuring system 10 by hand so that the highest point of the auxiliary case 22 is aligned with the height of the upper end of the side to be measured 2. The measurement start button 112 is pressed. Hereinafter, the measurement start button 112 is pressed in a state where the dimension measurement system 10 is held at the position P201 (a state where the highest point of the auxiliary case 22 is aligned with the height of the upper end of the side to be measured of the DUT 2). Explain the case.

  When measurement start button 112 is pressed (YES in step S10), portable terminal 1 starts measurement processing (step S30). During the execution of the measurement process, the posture sensor 13 detects the posture information of the mobile terminal 1 in real time and outputs it to the processing unit 14.

  The processing unit 14 reads the reference dimension c from the storage unit 15 (step S31). That is, the diameter c (= 160) of the auxiliary case 22 is read.

  The processing unit 14 sets the absolute value (magnitude) | θ | of the rotation angle θ obtained from the attitude sensor 13 as the value of the temporary storage variable defdeg used to calculate the dimension h of the DUT 2 ( Step S32). Here, it is assumed that θ = 0 when the measurement start button 112 is pressed, and 0 is set to defdeg.

  The processing unit 14 resets the value of the temporary storage variable deg used for calculating the dimension h of the DUT 2 to 0 (step S33).

The processing unit 14 has the following formula:
h = c × π × (| θ | + deg−defdeg) / 360 + c / 2 + c / 2
Based on the above, the dimension h of the DUT 2 is calculated, and the display unit 11 displays the calculation result in the dimension display area 111 (step S34). Immediately after the measurement start button 112 is pressed, since θ = 0, deg = 0, and defdeg = 0, the dimension h = c. Therefore, “160” is displayed in the dimension display area 111.

  Referring to FIG. 17, the user moves toward position P202 along the side to be measured of measurement object 2 while rotating dimension measurement system 10. The user rolls the portable terminal 1 along the device under test 2 so that the dimension measurement system 10 does not slide with respect to the device under test 2. At this time, the magnitude | θ | of the rotation angle θ obtained from the attitude sensor 13 increases, and accordingly, the value of the dimension h displayed in step S34 also increases (NO in steps S34 and S35).

  When the sign of θ is reversed by the rotation of the dimension measurement system 10, the processing unit 14 determines that the rotation of the dimension measurement system 10 has exceeded 1/2 rotation, and proceeds to step S36 (YES in step S35).

  The processing unit 14 adds 180 corresponding to half rotation to the temporary storage variable deg set to 0 in step S33 (step S36). As a result, deg = 180.

Referring to FIG. 17, the value of dimension h displayed in dimension display area 111 in a state where dimension measurement system 10 has reached position P202 (a part of auxiliary case 22 is in contact with horizontal surface 3) The height h of the object 2 is shown. At this time, if | θ | = 49, the height h of the DUT 2 is expressed by the following formula:
h = 160 × 3.14 × (49 + 180-0) / 360 + 160
Thus, h = 480 is obtained. As described above, the vertical dimension h of the DUT 2 could be measured.

(Fourth embodiment)
Hereinafter, the portable terminal 1 which concerns on the 4th Embodiment of this invention is demonstrated. The mobile terminal 1 according to the present embodiment is added with a function of automatically starting and stopping the measurement process and stopping the temporary operation of the input unit 12 based on the inclination angle of the display unit 11 (display screen 110). Is different from the mobile terminal 1 according to the first embodiment. According to the present embodiment, the operation of the mobile terminal 1 is simplified and the measurement accuracy is improved.

  FIG. 18 shows the contents displayed on the display screen 110. The display screen 110 displays a dimension display area 111, a reference dimension setting area 113, and a setting button 115. The dimension display area 111 is an area for displaying dimensions measured by the mobile terminal 1. Dimensions are displayed in millimeters. The reference dimension setting area 113 is an area for setting a reference dimension used for the measurement process. The user sets the vertical length a and the horizontal length b of the mobile terminal 1 in the reference dimension setting region 113 as reference dimensions. The unit of the length a in the vertical direction and the length b in the horizontal direction of the mobile terminal 1 is millimeters. When the vertical length a and the horizontal length b of the portable terminal 1 set in the past are held in the storage unit 15, the reference dimension setting area 113 is held in the storage device 15. The vertical length a and the horizontal length b of the terminal 1 may be displayed as initial values. When the user touches or presses the setting button 115, the input unit 12 notifies the processing unit 14 that the setting button 115 has been operated. The processing unit 14 stores the vertical length “a” and the horizontal length “b” of the mobile terminal 1 set in the reference dimension setting region 113 in the storage unit 15 and holds them.

  The inclination angle (pitch) γ of the mobile terminal 1 (display screen 110) will be described with reference to FIG. The inclination angle γ is an angle between the normal vector N of the display screen 110 and the horizontal plane HP. The posture information detected by the posture sensor 13 includes an inclination angle γ. The attitude sensor 13 detects the rotation angle θ and the inclination angle γ and outputs them to the processing unit 14.

  With reference to FIG. 20, the relationship between the attitude | position of the portable terminal 1 and inclination-angle (gamma) is demonstrated. When the mobile terminal 1 takes a posture in which the normal vector N is horizontal, the inclination angle γ is zero. When the mobile terminal 1 is tilted so that the normal vector N faces upward from this posture, the tilt angle γ increases. When the mobile terminal 1 takes a posture in which the normal vector N is vertically upward, the inclination angle γ is +90. When the mobile terminal 1 is tilted so that the normal vector N faces downward from a posture in which the normal vector N is horizontal, the tilt angle γ decreases. When the mobile terminal 1 takes a posture in which the normal vector N is vertically downward, the inclination angle γ is −90. Therefore, the inclination angle γ is 0 when the display screen 110 is parallel to the vertical plane, the inclination angle γ takes a positive value when the display screen 110 is upward, and the inclination angle γ is negative when the display screen 110 is downward. Takes a value.

  FIG. 21 is a flowchart of processing executed by the mobile terminal 1. This process includes steps S41 to S48. In step S <b> 41, when the user activates the mobile terminal 1, the display unit 11 displays a dimension display area 111, a reference dimension setting area 113, and a setting button 115 on the display screen 110. The attitude sensor 13 starts detecting the attitude information of the mobile terminal 1 in real time and outputting it to the processing unit 14. In step S42, the processing unit 14 monitors the inclination angle γ obtained from the attitude sensor 13, and determines whether or not the magnitude | γ | of the inclination angle γ is smaller than the first reference angle. For example, if | γ | <15 (YES in step S42), the process proceeds to step S43. If | γ | <15 is not satisfied (NO in step S42), step S42 is executed again.

  In step S <b> 43, the processing unit 14 performs an input unit lock that discards all inputs and instructions from the input unit 12. That is, the processing unit 14 stops the operation of the input unit 12. In step S44, the mobile terminal 1 starts the measurement process in step S20. The measurement process and input unit lock are performed in parallel in separate threads. In step S45, the processing unit 14 monitors the inclination angle γ obtained from the attitude sensor 13, and determines whether or not the magnitude | γ | of the inclination angle γ is larger than the second reference angle. The second reference angle is greater than the first reference angle. For example, if | γ |> 30 (YES in step S45), the process proceeds to step S46. If | γ |> 30 is not satisfied (NO in step S45), step S45 is executed again.

  In step S46, the portable terminal 1 stops the measurement process. In step S <b> 47, the display unit 11 fixes and holds the value of the dimension h being displayed in the dimension display area 111. That is, until the magnitude | γ | of the tilt angle γ becomes larger than the second reference angle after the measurement process is started (from step S44 to step S46), the dimension display of the display screen 110 is performed based on the change in the rotation angle θ. Although the value of the dimension h displayed in the area 111 changes, when the magnitude | γ | of the inclination angle γ becomes larger than the second reference angle, the display unit 11 displays the value of the dimension h being displayed in the dimension display area 111. Fixed and held (the value of the dimension h displayed in the dimension display area 111 when the measurement process is stopped continues to be displayed). In step S <b> 48, the processing unit 14 releases the input unit lock started in step S <b> 43, and resumes accepting inputs / instructions from the input unit 12.

  Hereinafter, the dimension measuring method using the portable terminal 1 according to the present embodiment will be specifically described.

(Standard dimension setting)
As in the first embodiment, the reference dimension is set (initial setting). However, in this embodiment, the measurement start button 112 is not displayed on the display screen 110.

(Measurement process)
A measurement process for measuring the dimension h of the object to be measured using the mobile terminal 1 will be described with reference to FIGS. Here, a case where the longitudinal length a of the mobile terminal 1 is 120 mm, the lateral length b of the mobile terminal 1 is 60 mm, and the dimension h is the height of the DUT 2 is used as an example. It is assumed that the height of the DUT 2 is 240 mm. It is assumed that the length a in the vertical direction and the length b in the horizontal direction of the mobile terminal 1 are already set in the storage unit 15 as the reference dimensions a and b.

  Referring to FIG. 12, the user installs device under test 2 on horizontal surface 3 such that the side to be measured of device under test 2 is vertical. The horizontal surface 3 is the ground, the floor, the upper surface of the table, or the like.

  When the user holds the portable terminal 1 and activates the portable terminal 1 with the inclination angle γ being 50 degrees, the dimension display area 111, the reference dimension setting area 113, and the setting button 115 are displayed on the display screen 110 of the display unit 11. It is displayed (step S41). Here, the processing unit 14 reads the reference dimensions a and b from the storage unit 15 and displays them in the reference dimension setting area 113 as initial values. The attitude sensor 13 starts detecting the attitude information of the mobile terminal 1 in real time and outputting it to the processing unit 14.

  Referring to FIG. 12, next, the user moves portable terminal 1 toward position P101 (that is, a state in which vertical side 1a of portable terminal 1 is aligned with the upper end of the side to be measured of device under test 2). move. Then, the inclination angle γ of the mobile terminal 1 becomes small. When the inclination angle γ is smaller than 15 (YES in step S42), the processing unit 14 performs an input unit lock that discards all inputs / instructions from the input unit 12 (step S43), and the mobile terminal 1 performs the above step S20. The measurement process is started (step S44). The measurement process and input unit lock are performed in parallel in separate threads.

  The processing unit 14 reads the reference dimensions a and b from the storage unit 15 (step S21). That is, the length a (= 120) in the vertical direction and the length b (= 60) in the horizontal direction of the mobile terminal 1 are read.

  The processing unit 14 resets the value of the temporary storage variable z used for calculating the dimension h of the DUT 2 to 0 (step S22).

  The processing unit 14 determines the current posture of the mobile terminal 1 based on the rotation angle θ obtained from the posture sensor 13 (steps S23 to S25). Since the measurement process is started in a state in which the mobile terminal 1 is held at the position P101 shown in FIG. The rotation angle θ obtained from the sensor 13 is zero. Therefore, the process proceeds to step S26 (YES in step S23).

  The processing unit 14 adds the reference dimension a to the temporary storage variable z set to 0 in step S22 (step S261). As a result, z = 120.

The processing unit 14 has the following formula:
h = z + b | sin θ |
Based on the above, the dimension h of the DUT 2 is calculated, and the display unit 11 displays the calculation result in the dimension display area 111 (S262). Since θ = 0 immediately after the start of the measurement process, h = z. Therefore, “120” is displayed in the dimension display area 111.

  Referring to FIG. 12, the user moves toward position P <b> 102 along the side to be measured of measurement object 2 while rotating portable terminal 1. The user rolls the mobile terminal 1 along the device under test 2 so that the mobile terminal 1 does not slide against the device under test 2. At this time, the magnitude | θ | of the rotation angle θ obtained from the attitude sensor 13 increases, and accordingly, the value of the dimension h displayed in step S262 also increases (NO in step S262 and step S263).

  When the mobile terminal 1 reaches the position P102, | θ | = 90. Then, the process part 14 determines with rotation of the portable terminal 1 having exceeded 1/4 rotation, and moves to step S27 (in step S263 YES).

  The processing unit 14 adds the reference dimension b to the temporary storage variable z set in step S261 (step S271). As a result, z = 180.

The processing unit 14 has the following formula:
h = z + a × sin (| θ | −90)
Based on the above, the dimension h of the DUT 2 is calculated, and the display unit 11 displays the calculation result in the dimension display area 111 (step S272). Since | θ | = 90 at the position P102, h = z. Therefore, “180” is displayed in the dimension display area 111.

  Referring to FIG. 12, the user moves along the side to be measured of measurement object 2 while rotating portable terminal 1 from position P102 toward horizontal plane 3 (that is, toward position P103). At this time, the magnitude | θ | of the rotation angle θ obtained from the attitude sensor 13 increases, and accordingly, the value of the dimension h displayed in step S272 also increases (NO in steps S272 and S273).

Referring to FIG. 12, the value of dimension h displayed in dimension display area 111 in a state where mobile terminal 1 has reached position P103 (a part of mobile terminal 1 is in contact with horizontal surface 3) A height h of 2 is indicated. At this time, if | θ | = 120, the height h of the DUT 2 is expressed by the following formula:
h = 180 + 120 × sin (120−90)
Thus, h = 240 is obtained.

  Until the mobile terminal 1 reaches the position P103 from the position P101, the display screen 110 remains parallel to the vertical plane (the normal vector N remains horizontal). Is reached, the inclination angle γ is zero. The user tilts the mobile terminal 1 so that the display screen 110 faces upward (the normal vector N faces upward). At this time, the value of the inclination angle γ obtained from the attitude sensor 13 increases.

  When the inclination angle γ is greater than 30, the processing unit 14 determines that the display screen 110 is nearly horizontal (YES in step S45), the portable terminal 1 stops the measurement process (step S46), and the display unit 11 displays the dimensions. The value of the dimension h being displayed is fixed and held in the area 111 (step S47). The processing unit 14 releases the input unit lock and resumes accepting inputs / instructions from the input unit 12 (step S48).

  As described above, the dimension h of the DUT 2 can be obtained without pressing the measurement start button.

  The case where the dimension display area 111, the reference dimension setting area 113, and the setting button 115 are displayed on the display screen 110 of the display unit 11 when the mobile terminal 1 is activated has been described above. The above computer program is implemented as application software. Then, by starting the application software, the dimension display area 111, the reference dimension setting area 113, and the setting button 115 may be displayed on the display screen 110 of the display unit 11.

  Although the case where the vertical dimension h of the DUT 2 is measured has been described in the above embodiment, the horizontal dimension of the DUT 2 may be measured using the mobile terminal 1 or the dimension measurement system 10. .

  Referring to FIG. 22, when measuring the horizontal dimension L of the DUT 2, it is preferable to apply the plate 4 to the DUT 2.

  Each of the above embodiments can be applied to transportation cost calculation of a home delivery service provided by a freight carrier or the like. The present invention can also be applied to ease of exhibition procedures in Internet auctions and electric commerce (EC).

  The present invention has been described above with reference to the embodiments, but the present invention is not limited to the above embodiments. Various changes that can be understood by those skilled in the art can be made to the configuration and details of the present invention within the scope of the present invention. The above embodiments can be combined with each other.

DESCRIPTION OF SYMBOLS 10 ... Dimension measurement system 1 ... Portable terminal 1a ... Vertical side 1b ... Horizontal side 11 ... Display part 110 ... Display screen 110a ... Vertical side 110b ... Horizontal side 111 ... Dimension display area 112 ... Measurement start button 113 ... Standard dimension setting area 115 ... Setting button 12 ... Input unit 13 ... Attitude sensor 14 ... Processing unit 15 ... Storage unit 21, 22 ... Auxiliary case 21a ... Vertical side 21b ... Horizontal side 2 ... Measurement 3 ... Horizontal surface 4 ... Plate P101-P103, P201 P202 ... Position N ... Normal vector X ... Vertical vector Y ... Horizontal vector V ... Vertical upward vector HP ... Horizontal plane a, b, c ... Reference dimension θ ... Rotation angle γ ... Inclination angle

Claims (7)

An attitude sensor for detecting attitude information of the mobile terminal;
A storage unit for holding reference dimensions;
A processing unit for calculating a dimension of the object to be measured based on the posture information and the reference dimension;
A display unit for displaying the dimensions on a display screen,
The posture information includes a rotation angle of the mobile terminal,
The rotation angle changes when the mobile terminal is rotated in a plane perpendicular to the normal line in a state where the normal line of the display screen is horizontal,
The processing unit is a mobile terminal that calculates the dimension based on a trigonometric function using the rotation angle and the reference dimension . The mobile terminal according to claim 1,
The posture information includes an inclination angle of the mobile terminal,
The tilt angle is an angle between the normal and a horizontal plane ,
The processing unit starts the measurement process of the dimension when the inclination angle is smaller than the first reference angle,
The measurement process calculates the dimension based on the rotation angle and the reference dimension ,
The value of the dimension displayed on the display screen based on the change of the rotation angle until the inclination angle is larger than the second reference angle larger than the first reference angle after the measurement process is started. Changes,
When the tilt angle is larger than the second reference angle, the display unit fixes and holds the value of the dimension being displayed . The mobile terminal according to claim 2,
It further includes an input unit for the user to operate the mobile terminal,
The processing unit is a mobile terminal that stops the operation of the input unit when the inclination angle is smaller than a first reference angle . The mobile terminal according to any one of claims 1 to 3 ,
The reference dimension is
The vertical length of this mobile device,
The horizontal length of this mobile device
Including
The longitudinal direction, the transverse direction, and the portable terminal the normal is Ru vertical der each other. A portable terminal according to any one of claims 1 to 3 ,
With a rectangular case
Including
The reference dimension is
The longitudinal length of the rectangular case;
The lateral length of the rectangular case
Including
The rectangular case stores the portable terminal so that the vertical direction, the horizontal direction, and the normal line are perpendicular to each other.
Dimension measurement system . A dimension measurement method using a mobile terminal,
The portable terminal holds a reference dimension in a storage unit,
A detection step in which the attitude sensor of the mobile terminal detects attitude information of the mobile terminal;
A processing step in which a processing unit of the mobile terminal calculates a dimension of the object to be measured based on the posture information and the reference dimension;
A display step in which the display unit of the mobile terminal displays the dimensions on a display screen;
Including
The posture information includes a rotation angle of the mobile terminal,
The rotation angle changes when the mobile terminal is rotated in a plane perpendicular to the normal line in a state where the normal line of the display screen is horizontal,
The processing step includes
Calculation step for calculating the dimension based on the trigonometric function using the rotation angle and the reference dimension
including
Dimension measurement method . A dimension measurement program for causing a portable terminal to perform dimension measurement,
The portable terminal holds a reference dimension in a storage unit,
A detection step in which the attitude sensor of the mobile terminal detects attitude information of the mobile terminal;
A processing step in which a processing unit of the mobile terminal calculates a dimension of the object to be measured based on the posture information and the reference dimension;
A display step in which the display unit of the mobile terminal displays the dimensions on a display screen;
Including
The posture information includes a rotation angle of the mobile terminal,
The rotation angle changes when the mobile terminal is rotated in a plane perpendicular to the normal line in a state where the normal line of the display screen is horizontal,
The processing step includes
Calculation step for calculating the dimension based on the trigonometric function using the rotation angle and the reference dimension
<br/> dimension measurement program including.

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