JP2003179685A - Portable telephone set and method for controlling the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable telephone set where a picture to be displayed can be varied by rotating a set main body. <P>SOLUTION: The portable telephone set comprises an XY biaxial geomagnetic sensor 110 for detecting the direction of the set main body, an operation input part 106 for setting an operation mode, a ROM 102 in which picture data is stored, a display part 118 for displaying various kinds of data, and a CPU 100 which controls the set to fetch the detected output of the XY biaxial geomagnetic sensor 110 in the case of being set to a prescribed mode by the operation input part 106, to read the picture data stored in the ROM 102 based on the detected output, to perform prescribed conversion processing to the picture data and to display a picture shown by the picture data obtained by the conversion processing on the display part 118. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile phone device, and more particularly to a mobile phone device having a direction detecting function and a control method thereof.

[0002]

2. Description of the Related Art Recent mobile telephone devices have come to be equipped with not only telephone functions but also various functions such as game functions and music reproducing functions. By the way, there is a kaleidoscope toy. This is made by sticking a polygonal prism shape with the reflecting surfaces of a plurality of mirrors inside to form a tubular shape, and placing the image on one side,
By looking into the image from the other side, the image of the repeated pattern can be observed.

Japanese Unexamined Patent Publication No. 6-303516 proposes an image conversion device which can obtain a converted image as if a kaleidoscope is seen by combining mirror processing by orthogonal coordinates and mirror processing by polar coordinates.
Further, Japanese Patent Laid-Open No. 2000-147424 proposes an electronic kaleidoscope device capable of generating a kaleidoscope image and sound based on an image including an observer. All of the above conventional techniques produce a kaleidoscope picture by performing image processing such as rotation and inversion on the original figure.

[0004]

However, in an actual kaleidoscope, an observer rotates the kaleidoscope to subtly change the picture to be observed and enjoys it, but in the above-mentioned prior art, this is not taken into consideration. On the other hand, recently, a mobile phone device having a navigation function has been proposed. In this type of mobile phone device, a GPS module and a geomagnetic sensor (electronic compass) are used in combination.

The azimuth information obtained by the geomagnetic sensor is used for the display control function of the image data of the portable telephone device,
If the image displayed can be changed according to the rotation by rotating the main body of the apparatus, the user can enjoy the image like an actual kaleidoscope. The present invention has been made in view of such circumstances, and an object of the present invention is to provide a mobile phone device capable of changing an image to be displayed by rotating the device body and a control method thereof.

[0006]

In order to achieve the above object, the invention according to claim 1 is a control method for a portable telephone device having a direction detecting function, wherein image data showing a plurality of images is set to the direction. The image data is stored in association with each other in advance, and the image data is automatically read out and displayed as an image based on the detected orientation of the mobile phone device.

The invention described in claim 2 is the same as claim 1
In the method for controlling a mobile phone device described in (1), the magnetic field generating means for generating a magnetic field is moved in the vicinity of the mobile phone device to change the detection direction facing the mobile phone device.

In the invention according to claim 3, the azimuth detecting means for detecting the azimuth of the apparatus main body, the storage means in which a plurality of image data are stored in advance in association with the azimuth, and various data are displayed. A display means and a detection output of the azimuth detection means are fetched, image data stored in the storage means is selected based on the detection output, and an image obtained from the image data is displayed on the display means. It has a control means to control.

According to a fourth aspect of the present invention, the azimuth detecting means for detecting the azimuth of the apparatus main body, the input means for setting the operation mode, the storage means for storing the image data, and various data are displayed. Display means for displaying the image data stored in the storage means based on the detected output of the direction detecting means when the specific mode is set by the input means. It is characterized by further comprising: control means for performing a predetermined conversion process on the data, and controlling the image represented by the image data obtained by the conversion process to be displayed on the display means.

The invention described in claim 5 is the same as claim 4
In the mobile phone device according to the item (1), the control unit, when set to the specific mode by the input unit, displays the image data stored in the storage unit based on the detection output of the azimuth detection unit. It is characterized in that the image data is read out, converted so as to obtain an image of a repetitive pattern obtained by a kaleidoscope, and the obtained image is displayed on the display means.

The invention according to claim 6 is the same as claim 4
In the mobile phone device described in the paragraph 1, the control means reads the image data stored in the storage means, and changes the color of the image indicated by the image data based on the detection output of the orientation detection means. And

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 shows an electrical configuration of the mobile phone device according to the embodiment of the present invention. In FIG. 1, a mobile phone device 1 controls the operation of each unit by executing various programs so as to have a function as a phone, a game machine, a music player, or the like.
00 and ROM for storing various data and fixed data
102, RAM 104, operation input unit 106, GP
S module 108 and XY biaxial geomagnetic sensor 110
Wireless communication unit 112 and audio codec (CODE
C) 114, a music reproducing section 116, a display section 118,
Interface (I / F) 120 and transmission microphone 1
22, a receiving speaker 124, and a receiving speaker 12
Have six.

In addition to various programs, the ROM 102 stores fixed sequence data such as music sequence data for incoming melody, a plurality of image data associated with directions, and application programs such as game software. Further, the ROM 102 has an XY biaxial geomagnetic sensor 1
A magnetic field / azimuth conversion table showing the relationship between the magnetic field and the azimuth for converting the magnetic field which is the output of 10 into an angle is stored.

Further, the ROM 102 stores an azimuth / sound source parameter conversion table showing the relationship between the azimuth and the sound source parameter. Further, the RAM 104 stores various data downloaded via a network such as the Internet, or music data loaded from an external audio device via the interface 120.

The operation input unit 106 is composed of a start key used for starting a call, an end key for ending a call, a numeric key, a menu key, a cursor key, various function keys, a power key and the like. The mobile phone device according to the present embodiment has a kaleidoscope mode as an operation mode. The kaleidoscope mode is an operation mode in which an image is changed and displayed on the display unit 118 by rotating the mobile phone device 1, and there are two types of modes, a first mode and a second mode.

The first mode is an operation mode in which image data corresponding to the direction in which the mobile phone device 1 is facing is selected or generated and displayed on the display unit 118, and the second mode corresponds to the direction. In this operation mode, image processing is performed on the selected image data so as to obtain a converted image that can be observed with a kaleidoscope, and then image display is performed. The kaleidoscope mode can be set by the menu key and the cursor key.

The GPS module 108 receives radio waves for position measurement from a plurality of (3 or more) GPS satellites at predetermined time intervals, and transmits the raw data to the GPS base station,
RAM 104 receives the positioning calculation result from the GPS base station
It has a function of storing and updating in a predetermined memory area.

The XY two-axis geomagnetic sensor 110 is a sensor for detecting the azimuth of its own station, and detects changes in the X-axis component and the Y-axis component of geomagnetism as voltage changes. In the present embodiment, the output of the XY biaxial geomagnetic sensor 110 is
For example, the output data is detected at a predetermined time and the output data is stored in a RAM.
It has a function of storing in a predetermined memory area of 104 and updating. The wireless communication unit 112 demodulates a signal received via the antenna 20, modulates a signal transmitted to the outside, and transmits the signal via the antenna 20.

The voice CODEC 114 is a radio communication unit 1.
The voice signal received from 12 is decoded and output to the receiving speaker 124, and the voice signal input from the transmitting microphone 122 is compression-coded and sent to the wireless communication unit 112.
The music reproducing unit 116 reproduces a music as an incoming melody for notifying an incoming call at the time of incoming call and outputs it to the speaker 126 for incoming call, or reproduces the music based on the music sequence data stored in the ROM 102 or the RAM 104. The sound source in the music reproducing unit 116 is driven based on the output of the XY biaxial geomagnetic sensor 110 to notify the azimuth in the scale as well.

The display unit 118 displays various data,
For example, a liquid crystal display (LCD). The input end of the interface (I / F) 120 is connected to an input terminal (not shown), and the desired music data is connected to the RAM 10 by connecting to an external audio device via the input terminal.
4 can be stored. CPU1
00, ROM 102, RAM 104, operation input unit 10
6, GPS module 108, XY biaxial geomagnetic sensor 1
The wireless communication unit 112, the audio CODEC 114, the music reproducing unit 116, the display unit 118, and the interface (I / F) 120 are connected to each other via a bus 90.

The operation input section is a ROM in the input means of the present invention.
102 or RAM 104 is the storage means of the present invention,
The Y2-axis geomagnetic sensor 110 is the azimuth detecting means of the present invention.
The CPU 100 corresponds to the control means of the present invention, and the display unit 118 corresponds to the display means of the present invention. Next, FIG. 2 shows an electrical configuration of the XY biaxial geomagnetic sensor 110. In the figure, the XY biaxial geomagnetic sensor 110 is a GMR (Gian).
t Magneto Resistive) circuit 1110 and a voltage / magnetic field conversion circuit 1111. GMR circuit 1110
Has a constant current bias circuit 1112, an X-axis GMR element 1113 for detecting the X component of the earth magnetism, and a Y-axis GMR element 1114 for detecting the Y component of the earth magnetism.

Further, the constant current bias circuit 1112 is
Upon receiving the N signal, the X-axis GMR element 1113 and the Y-axis GMR element
A constant current is supplied to the element 1114. X-axis GMR element 1
The Y-axis GMR element 113 and the Y-axis GMR element 1114 are elements whose resistance values change according to changes in magnetism. By applying a constant current as a bias to these elements, the change in magnetism is detected as a change in voltage. That is, the X-axis GMR element 1113 and the Y-axis GM that form the XY biaxial geomagnetic sensor 110.
When the R element 1114 rotates, the X-axis component and the Y-axis component of the geomagnetism change, which appears as a voltage change. The voltage / magnetic field conversion circuit 1111 has a function of converting the voltage output from the GMR circuit 1110 into a magnetic field value and outputting the value.

Next, the operation of the portable telephone device according to the embodiment of the present invention during the azimuth display will be described with reference to the flowchart of FIG. In the figure, when the XY biaxial geomagnetic sensor 110 is turned on (step 200),
Constant current bias circuit 1 in XY biaxial geomagnetic sensor 110
A constant current is supplied from 112 to the X-axis GMR element 1113 and the Y-axis GMR element 1114. Then, the voltage output from the X-axis GMR element 1113 and the Y-axis GMR element 1114 is converted into a magnetic field value by the voltage / magnetic field conversion circuit 1111 and the X and Y components of the magnetic field due to geomagnetism are output from the voltage / magnetic field conversion circuit 1111. To be done.

Next, the X and Y components of the magnetic field due to the geomagnetism output from the XY biaxial geomagnetic sensor 110 are fetched (step 201) and stored in the ROM 102, for example, refer to the magnetic field / direction conversion table shown in FIG. Then, the azimuth data (azimuth angle) corresponding to the detection output of the XY biaxial geomagnetic sensor 110 is acquired (step 202). Further, based on the acquired azimuth data, the azimuth of the mobile phone device 1 is displayed on the display unit 118 as shown in FIG. 4 (step 203).

Next, the azimuth / sound source parameter conversion table is referred to from the ROM 102, the sound source parameter corresponding to the azimuth data obtained in step 202 is obtained (step 204), and the sound source in the music reproducing section 116 is driven (step 205). ). As a result, the azimuth is determined in step 20.
Not only the display by the display unit in No. 3, but also the music reproducing unit 1
The sound source in 16 also notifies the scale. Then, after the azimuth of the mobile phone device 1 (the azimuth in which the device body faces) is displayed and notified by the scale, the XY biaxial geomagnetic sensor 1
An OFF signal is output to 10, and the azimuth display operation ends (step 206).

Next, the operation when the portable telephone device according to the embodiment of the present invention is set to the kaleidoscope mode will be described with reference to the flowchart of FIG. In the figure, XY2
When the axial geomagnetic sensor 110 is turned on (step 300), a constant current is supplied to the X-axis GMR element 1113 and the Y-axis GMR element 1114 from the constant current bias circuit 1112 in the XY biaxial geomagnetic sensor 110, and the X-axis GMR element 1114.
The voltage output from the element 1113 and the Y-axis GMR element 1114 is converted into a magnetic field value by the voltage / magnetic field conversion circuit 1111, and the X component and the Y component of the magnetic field due to geomagnetism are converted into the voltage /
It is output from the magnetic field conversion circuit 1111.

Next, the X and Y components of the magnetic field due to the geomagnetism output from the XY biaxial geomagnetic sensor 110 are fetched (step 301), and the magnetic field / azimuth conversion table stored in the ROM 102 is referenced to refer to the XY biaxial geomagnetic sensor. The azimuth data (azimuth) of the mobile phone device 1 according to the detection output of 110 is acquired (step 302).

Further, based on the acquired azimuth data, R
The image data stored in the OM 102 is selected (step 303). As described above, the ROM 102 stores the image data in association with the azimuth as shown in FIG. 6A, and the image data is read from the ROM 102 based on the azimuth in which the mobile phone device 1 is facing. . For example, as shown in FIG. 6B, when the mobile phone device 1 faces the northeast direction, the image data B is selected based on the output of the XY biaxial geomagnetic sensor 110.

Next, it is determined whether or not the first mode of the kaleidoscope mode is set (step 304),
If it is determined in step 304 that the first mode is set, the image data is normally read, that is, without performing conversion processing or the like on the read image data.
It is displayed on the display unit 118 as it is (step 305).

When it is determined in step 304 that the first mode is not set, that is, the second mode is set, the process proceeds to step 306, and the portable telephone device 1 is set to the facing direction. The image data selected on the basis of these are combined with well-known orthogonal coordinate mirror processing and polar coordinate mirror processing to convert and display the kaleidoscope effect (step 30).
6).

Next, in step 307, it is determined whether or not the kaleidoscope mode has ended, that is, whether or not the operation of the operation input unit 106 has canceled the kaleidoscope mode setting (step 307). Step 307
If it is determined that the kaleidoscope mode has not ended, the process returns to step 301 and the above-described processing is repeated.
If it is determined in step 307 that the kaleidoscope mode has ended, the XY biaxial geomagnetic sensor 110 is turned off.
A signal is output and the azimuth display operation ends (step 3).
08).

In the portable telephone device according to the embodiment of the present invention described above, the orientation of the portable telephone device 1 is detected by rotating the device body of the portable telephone device 1. Instead of rotating 1, the magnetic field generating means for generating a magnetic field such as a magnet is moved in the vicinity of the mobile phone device to change the azimuth detected by the XY biaxial geomagnetic sensor 110 of the mobile phone device 1 so as to be associated with the azimuth. An image represented by the obtained image data may be displayed.

Further, instead of preparing a plurality of image data, a program for automatically generating an image with a certain parameter is prepared, and the detection result of the XY biaxial geomagnetic sensor 110 is used as the parameter to suit the portable telephone device 1. Different images may be displayed on the display unit 118 in correspondence with the azimuth.

Further, the image pattern may be fixed and the color of the image may be changed by a parameter. That is, the image data stored in the ROM 102 may be read and the color of the image indicated by the image data may be changed based on the detection output of the XY biaxial geomagnetic sensor 110. As a result, the color of the image displayed can be changed in association with the direction in which the mobile phone device 1 is facing.

Further, the shape of a part of the image pattern is changed by the parameter (direction information). Alternatively, a graphic may be added to the basic image pattern by a parameter and displayed on the display unit 118. Furthermore, the display unit 118 may be configured to display a combination of changing the color of the image pattern, changing the shape of a part of the basic image pattern, and adding a figure according to the parameters described above.

When the portable telephone device 1 is rotated,
Numbers are arranged in the circumferential direction on the display unit 118 of the mobile phone device 1 and an arrow pointing from the center of the circle to the circumference is displayed, and the arrow indicates the XY biaxial geomagnetic sensor 110 of the mobile phone device 1.
It can be enjoyed as a roulette wheel by rotating the mobile phone device 1 in the circumferential direction according to the azimuth detected by, and setting the number pointed by the arrow when the mobile phone device 1 stops rotating as the winning number. You can also use it as a "dice" just by changing the arrangement of numbers.

As described above, according to the portable telephone device according to the embodiment of the present invention, the image data indicating a plurality of images is stored in advance in association with the azimuth, and the detected portable telephone device Since the image data is automatically read out and displayed as an image based on the facing direction, the image to be displayed can be changed by rotating the device body of the mobile phone device.

Further, according to the portable telephone device according to the embodiment of the present invention, the magnetic field generating means for generating a magnetic field is moved in the vicinity of the portable telephone device to change the detection direction facing the portable telephone device. Since this is done, the image to be displayed can be changed without rotating the mobile phone device.

Further, according to the portable telephone device according to the embodiment of the present invention, the R based on the detection output of the azimuth detecting means.
Since the image data stored in the OM 102 is read, the image data is subjected to conversion processing so as to obtain an image of a repetitive pattern obtained by a kaleidoscope, and the obtained image is displayed on the display unit 118. You can enjoy it like a real kaleidoscope.

Further, according to the portable telephone device according to the embodiment of the present invention, the image data stored in the ROM 102 is read, and the color of the image indicated by the image data is detected based on the detection output of the XY biaxial geomagnetic sensor. Since the color is changed, it is possible to change the color of the image to be displayed in association with the direction in which the mobile phone device is facing.

[0041]

According to the first and third aspects of the present invention, the image data showing a plurality of images are stored in advance in association with the directions, and based on the detected directions of the mobile phone device. Since the image data is automatically read out and displayed as an image, the image to be displayed can be changed by rotating the device body of the mobile phone device.

According to the second aspect of the invention, the magnetic field generating means for generating a magnetic field is moved in the vicinity of the portable telephone device to change the detection direction facing the portable telephone device. The image to be displayed can be changed without rotating the mobile phone device.

According to the fourth and fifth aspects of the invention, the image data stored in the storage means is read out based on the detection output of the azimuth detection means, and the image data has a repetitive pattern obtained by a kaleidoscope. Since the conversion process is performed so as to obtain the image and the obtained image is displayed on the display means, the user can enjoy the image like an actual kaleidoscope.

According to the fourth and sixth aspects of the invention, the image data stored in the storage means is read out, and the color of the image indicated by the image data is changed based on the detection output of the direction detecting means. Therefore, it is possible to change the color of the image to be displayed in association with the direction in which the mobile phone device is facing.

[Brief description of drawings]

FIG. 1 is a block diagram showing an electrical configuration of a mobile phone device according to an embodiment of the present invention.

FIG. 2 is a block diagram showing an electrical configuration of an XY biaxial geomagnetic sensor in the mobile phone device according to the embodiment of the present invention shown in FIG.

FIG. 3 is a flowchart showing an operation during orientation display in the mobile phone device according to the embodiment of the present invention.

FIG. 4 is an explanatory diagram showing an operation state during orientation display in the mobile phone device according to the embodiment of the present invention.

FIG. 5 is a flowchart showing an operation when the kaleidoscope mode is set in the mobile phone device according to the embodiment of the present invention.

FIG. 6 is an explanatory diagram showing the relationship between the orientation of the mobile phone device and the selected image data when the kaleidoscope mode is set in the mobile phone device according to the embodiment of the present invention.

FIG. 7 is an explanatory diagram showing the contents of a magnetic field / direction conversion table stored in a ROM.

[Explanation of symbols]

1 ... Mobile phone device, 20 ... Antenna, 100 ... CPU,
102 ... ROM, 104 ... RAM, 106 ... Operation input section, 108 ... GPS module, 110 ... XY biaxial geomagnetic sensor, 112 ... Wireless communication section, 114 ... Voice CODE
C, 116 ... Music reproducing section, 118 ... Display section, 120 ... Interface. 122 ... Microphone, 124 ... Receiving speaker, 126 ... Incoming speaker, 1110 ... GMR circuit, 1111 ... Voltage / magnetic field conversion circuit, 1112 ... Constant current bias circuit, 1113 ... X-axis GMR element, 1114 ...
Y-axis GMR element

Claims (6)

[Claims] 1. A method of controlling a mobile phone device having an azimuth detecting function, wherein image data showing a plurality of images is stored in advance in association with the azimuth, and the detected mobile phone device faces. A method of controlling a mobile phone device, wherein the image data is automatically read out based on an azimuth and an image is displayed. 2. The mobile phone device according to claim 1, wherein the magnetic field generating means for generating a magnetic field is moved in the vicinity of the mobile phone device to change the detection direction of the mobile phone device. Control method. 3. An azimuth detecting means for detecting the azimuth of the apparatus main body, a storage means for preliminarily storing a plurality of image data in association with the azimuth, a display means for displaying various data, and the azimuth detecting means. A control unit that takes in the detection output, selects image data stored in the storage unit based on the detection output, and controls the image obtained from the image data to be displayed on the display unit. A mobile phone device. 4. An azimuth detecting means for detecting an azimuth of the apparatus body, an input means for setting an operation mode, a storage means for storing image data, a display means for displaying various data, and the input means. When set to a specific mode, the detection output of the azimuth detection means is fetched, the image data stored in the storage means is read out based on the detection output, and a predetermined conversion process is performed on the image data, A mobile phone device comprising: a control unit that controls the display unit to display an image represented by the image data obtained by the conversion process. 5. The control means, when the specific mode is set by the input means, reads the image data stored in the storage means based on the detection output of the azimuth detection means, 5. The mobile phone device according to claim 4, wherein the image data is subjected to conversion processing so as to obtain an image of a repetitive pattern obtained by a kaleidoscope, and the obtained image is displayed on the display means. 6. The control means reads the image data stored in the storage means and changes the color of the image indicated by the image data based on the detection output of the azimuth detection means. Item 5. The mobile phone device according to item 4.