JP2008072465A - Mobile terminal device, photographing mode detection indicator and photographing mode detection indication control program used for the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a mobile telephone with a camera, which is capable of being alternatively set to either a standard photographing mode for photographing an object located at a comparatively long distance or a close-up photographing mode for photographing an object located at a comparatively short distance, to be improved in operability. <P>SOLUTION: A photographing set up in a camera 27 is detected by a photographing mode detecting unit 31, and [Standard mode] is displayed on a liquid crystal display 24 when the camera is set in the standard photographing mode. Because [Close-up mode] is displayed when a close-up photographing mode is selected, a user can confirm the photographing mode when the camera 27 is activated, so that a photographing mode can be prevented from being incorrectly selected, and faults, such as an unintentional movement of a camera etc, in user-friendliness can be avoided. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a portable terminal device, a photographing mode detection display device and a photographing mode detection display control program used for the portable terminal device, and more particularly, to a photographing mode of a camera such as a mobile phone with a camera as a standard photographing mode or a close-up photographing. The present invention relates to a mobile terminal device having a function of selectively setting a mode, a shooting mode detection display device used in the mobile terminal device, and a shooting mode detection display control program.

  In recent years, in mobile terminal devices such as mobile phones, devices having a plurality of functions such as a camera function in addition to a normal voice call function have become widespread. For the camera used as the camera function, a standard shooting mode for shooting a subject at a relatively long distance and a close-up shooting mode (also called “macro mode”) for shooting a subject at a relatively short distance are selected. In many cases, the configuration can be set as a single unit.

  Conventionally, this type of mobile phone includes units 1 and 2 as shown in FIG. The unit 1 includes a receiver 3, a liquid crystal display unit 4, an operation key 5, and a microphone 6. Further, as shown in FIG. 8B, the unit 2 includes a camera 7, a slide switch 8, and the like. It has. Inside the cellular phone, as shown in FIG. 9, a substrate 9 is provided, and a camera 7 and a control circuit (not shown) are mounted on the substrate 9. The camera 7 has a shooting distance switching lever 10 that is linked to the slide switch 8, and the shooting mode is selected and set to the standard shooting mode or the close-up shooting mode depending on the position of the slide switch 8. In this mobile phone, when the camera 7 is selected and set in the standard shooting mode, the camera 7 is focused on a subject at a relatively long distance, while when it is selected and set in the close-up shooting mode, the camera 7 is relatively close. Focus on a subject at a distance and shoot. The captured image is displayed on the liquid crystal display unit 4.

In addition to the above-described mobile phone, conventionally, as this type of technology, for example, there is one described in Patent Document 1.
In the DIP switch described in Patent Document 1, a box-shaped case and a plurality of pairs are formed by casting so as to face the case, and a U-shaped contact movable portion having a contact portion at the tip is integrally molded at the inner end. The one side terminal and the other side terminal having a contact portion that can contact the same contact portion at the inner end, and the rectangular hole corresponding to each contact movable portion are joined to the case with the opening being closed. And a cover portion that is movably engaged with each hole of the cover and is built in, and by moving to the other terminal side, the contact movable portion is pushed down and the contact portion is moved to the other terminal. And a plurality of contact operating members to be brought into contact with the contact portions. Thereby, contact reliability is improved and it can respond to super miniaturization.

  In addition, the mobile phone described in Patent Document 2 includes a slide switch that can move up and down and a display unit. When the slide switch is in a position other than the movable lower limit position and the movable upper limit position, the slide switch moves. The display screen displayed on the display unit is scrolled according to the amount, moving direction, and moving speed, and when the slide switch is moved to the movable lower limit position, it moves from the bottom to the movable upper limit position. At that time, the display screen is continuously scrolled from top to bottom.

  Further, in the camera focus switching structure described in Patent Document 3, by rotating the protrusion of the decoration ring, the arm of the decoration ring transmits the rotation to the lens rotation lever, and the lens rotation lever rotates the camera lens. At the same time, the focus is switched for normal shooting and close-up shooting.

  In addition, in the mobile phone described in Patent Document 4, when the camera button is pressed, a shooting mode setting screen is displayed on the display unit, and night view portrait, strobe light emission, red-eye prevention, shooting top priority, landscape, etc. The setting contents of the various shooting modes are displayed so as to be selectable by the user. In addition, the subject can be photographed based on the content set by the user, the photographing result display screen is displayed on the display unit, and the photographed image is stored in the storage unit.

Further, in the portable information terminal device described in Patent Document 5, the photographing lens approaches the image sensor in conjunction with the operation of the operation dial provided for macro photography, and the diaphragm is narrowed down. When (Depth of Field) is changed to a setting suitable for macro shooting and the imaging unit is set to macro shooting, the barcode is shot under the optimal exposure conditions, and the read barcode image is decoded and the barcode is read. Recorded and displayed as code information.
Japanese Utility Model Publication No. 05-036726 (abstract, Fig. 1) JP 2003-224633 A (Abstract, FIG. 1) JP 2004-163830 A (Abstract, FIG. 6) JP 2004-166129 A (Abstract, FIG. 3) JP 2004-289465 A (Abstract, FIG. 1)

However, the above conventional mobile phone has the following problems.
That is, in the mobile phone shown in FIG. 8, when using the camera 7, the user looks at the liquid crystal display unit 4 on which the subject is displayed and also looks at the position of the slide switch 8 to set the shooting mode set. It is necessary to confirm. For this reason, there is a problem that not only the operability is hindered but also a user-friendliness problem such as camera shake occurs. Further, when the user moves the mobile phone in a pocket or bag, even if the slide switch 8 is switched to a position not intended by the user due to friction with the pocket or bag, the user does not notice the camera. 7 may be used, and there is a problem that photographing is not performed normally.

  In addition, the DIP switch described in Patent Document 1 is similar to the embodiment of the present invention in terms of contacts, but improves the reliability of the contacts and does not improve the above problems. Absent.

  In the mobile phone described in Patent Document 2, the scroll operation of the display screen is controlled by a slide switch, and the above problem is not improved.

  In the focus switching structure of the camera described in Patent Document 3, the focus of the lens is switched between normal shooting and close-up shooting, but the above problem is not improved because it is not recognized by the user.

  In the mobile phone described in Patent Document 4, the settings of various shooting modes are displayed on the display unit, but the above-mentioned problems are not improved because they do not correspond to the close-up mode.

  In the portable information terminal device described in Patent Document 5, when the imaging unit is set to macro photography, the barcode is photographed under an optimal exposure condition, but this does not alert the user. The problem is not improved.

  The present invention has been made in view of the circumstances described above, and provides a portable terminal device with improved operability at the time of photographing with a camera, a photographing mode detection display device and a photographing mode detection display control program used for the portable terminal device. It is intended to provide.

  In order to solve the above-mentioned problem, the invention according to claim 1 is a camera that is compatible with the standard shooting mode and the close-up shooting mode, and alternatively, the standard shooting mode or the close-up shooting mode is selected for the camera. The present invention relates to a portable terminal device including a shooting mode setting unit to be set, detects a shooting mode set by the shooting mode setting unit, and displays shooting mode information indicating information corresponding to the detected shooting mode An imaging mode detection display means is provided.

  A second aspect of the present invention relates to the portable terminal device according to the first aspect, wherein the camera includes a photographing lens and an imaging element, and the photographing mode setting unit is relatively far when the standard photographing mode is set. While the position of the photographing lens with respect to the image sensor is set so that the image sensor is positioned at the conjugate image plane position of the first subject at a distance, the close-up shooting mode is set at a relatively short distance. A lens position setting unit configured to set a position of the photographing lens with respect to the image sensor so that the image sensor is positioned at a position of a conjugate image plane of a second subject, and the photographing mode detection display unit includes the lens position Based on the position of the shooting lens set by the setting unit, a shooting mode detection unit that detects the set shooting mode, and the shooting mode detected by the shooting mode detection unit. Based on the mode being characterized by being composed of the detection result display unit that displays the shooting mode information.

  A third aspect of the present invention relates to the portable terminal device according to the second aspect, wherein the lens position setting unit switches the position of the photographing lens in accordance with the standard photographing mode or the close-up photographing mode. The photographing mode detection unit has a switch unit that is controlled to be turned on / off in conjunction with the lens position switching mechanism unit, and the shooting mode detection unit corresponds to an on state or an off state of the switch unit. It is the structure which detects this.

  According to a fourth aspect of the present invention, there is provided a camera capable of supporting a standard shooting mode and a close-up shooting mode, and a shooting mode setting unit for selectively setting the camera to the standard shooting mode or the close-up shooting mode. The present invention relates to a shooting mode detection display device used for a mobile terminal device, and detects a shooting mode set by the shooting mode setting unit and displays shooting mode information indicating information corresponding to the detected shooting mode. It is characterized by being configured.

  According to a fifth aspect of the present invention, there is provided the photographing mode detection / display apparatus according to the fourth aspect, wherein the camera has a photographing lens and an image sensor, and the photographing mode setting unit compares the standard photographing mode when the standard photographing mode is set. The position of the photographing lens with respect to the image sensor is set so that the image sensor is positioned at the conjugate image plane position of the first subject at a far distance, while the close-up photographing mode is set at a relatively short distance. A lens position setting unit that sets the position of the photographing lens with respect to the image sensor so that the image sensor is positioned at the position of the conjugate image plane of the second subject at the position, and is set by the lens position setting unit. A shooting mode detection unit that detects the set shooting mode based on the position of the shooting lens, and a shooting mode detection unit that detects the set shooting mode based on the shooting mode detected by the shooting mode detection unit; It is characterized in that it is composed of a detection result display unit for displaying the photographing mode information.

  A sixth aspect of the present invention relates to the photographing mode detection / display apparatus according to the fifth aspect, wherein the lens position setting unit switches the position of the photographing lens corresponding to the standard photographing mode or the close-up photographing mode. A position switching mechanism, and the photographing mode detection unit includes switch means that is controlled to be turned on / off in conjunction with the lens position switching mechanism, and corresponds to an on state or an off state of the switch means. The present invention is characterized in that the photographing mode is detected.

  A seventh aspect of the invention relates to a shooting mode detection / display control program, which causes a computer to control the portable terminal device according to any one of the first to third aspects.

  According to the configuration of the present invention, the shooting mode detection display means detects the shooting mode set by the shooting mode setting unit, and the shooting mode information corresponding to the detected shooting mode is displayed. Since the shooting mode can be confirmed when the camera is activated, erroneous operation in selecting the shooting mode is eliminated, and inconveniences such as camera shake can be avoided.

  A portable terminal device that detects a shooting mode (standard shooting mode or close-up shooting mode) set in the shooting mode setting unit when the camera is activated, and displays information corresponding to the detected shooting mode on the display unit, and the portable terminal An imaging mode detection display device and an imaging mode detection display control program used in the apparatus are provided.

FIG. 1 is a perspective view showing a main part of the appearance of a mobile terminal device according to an embodiment of the present invention.
The mobile terminal device of this example is a mobile phone 20 as shown in FIG. 1A, and includes, for example, straight type units 21 and 22. The unit 21 includes a receiver 23, a liquid crystal display unit 24, operation keys 25, and a microphone 26. As shown in FIG. 5B, the unit 22 includes a camera 27, a slide switch 28, and the like. It has. Inside the cellular phone, as shown in FIG. 2, a substrate 29 is provided, and a camera 27 and a control circuit (not shown) are mounted on the substrate 29. The camera 27 has a shooting distance switching lever 30 that is linked to the slide switch 28, and the shooting mode is selected and set to the standard shooting mode or the close-up shooting mode depending on the position of the slide switch 28. The standard shooting mode is a shooting mode for shooting a subject at a relatively long distance, and the close-up shooting mode is for shooting a subject at a relatively short distance (for example, a distance of about 5 cm from the camera 27). It is a shooting mode.

  The camera 27 has a photographing lens and an image sensor (not shown), and the photographing distance switching lever 30 is arranged so that the image sensor is positioned at a conjugate image plane position of a subject at a relatively long distance when the standard photographing mode is set. When the close-up shooting mode is set, the same image pickup device is set so that the image pickup device is positioned at the conjugate image plane position of the subject at a relatively close distance. Switch and set the lens position. In particular, in this embodiment, the photographing mode detector 31 is mounted on the substrate 29. The photographing mode detection unit 31 includes a land 31a and a leaf spring 31b. The land 31a and the leaf spring 31b are provided on the substrate 29 and on the track of the slide switch 28. The leaf spring 31b is slid in the direction of the leaf spring 31b as shown in FIG. When pressed, it comes into contact with the land 31a. These lands 31a and leaf springs 31b constitute switch means that is turned on / off in conjunction with the slide switch 28, and the photographing mode of the camera 27 is detected corresponding to the on or off state of the switch means. It has become so.

FIG. 4 is a block diagram showing an electrical configuration of a main part of the mobile phone 20 of FIG.
As shown in FIG. 4, the cellular phone 20 includes a receiver 23, a liquid crystal display (LCD) 24, operation keys 25, a microphone 26, a camera 27, a shooting mode detection unit 31, an antenna 32, and the like. The wireless unit 33, the image storage unit 34, the control unit 35, and the secondary battery 36 are included. The receiver 23 generates sounds corresponding to various information such as ringtones and voices during a call. The image storage unit 34 includes, for example, a RAM (Randam Access Memory), a ROM (Read Only Memory), and the like, and stores an image captured by the camera 27 and corresponds to a shooting mode detected by the shooting mode detection unit 31. The captured shooting mode information is stored. In a normal voice call, the LCD 24 displays various information such as the telephone number information and icon information of the other party, and displays an image corresponding to the shooting mode information stored in the image storage unit 34. . The operation keys 25 are composed of a transmission key, an English / Kana / Kanji / number conversion key, a power on / off key, a cross key for cursor operation, an end key, and the like. The microphone 26 receives a user's voice and performs transmission. The camera 27 includes, for example, a 4 million pixel CCD (Charge Coupled Device) sensor as the imaging device.

  The shooting mode detection unit 31 detects the set shooting mode based on the position of the shooting lens of the camera 27 set by the slide switch 28 in FIG. 1, and for example, a land 31a and a leaf spring 31b are detected. The standard shooting mode is detected in the off state, and the close-up shooting mode is detected in the on state. The antenna 32 transmits and receives radio waves W to and from a radio base station (not shown). The radio base station is connected to the general telephone network via a mobile communication control station, a mobile communication switching center in the area, and a gateway mobile communication switching station (not shown). The radio unit 33 includes a reception circuit, a transmission circuit, a frequency synthesizer, and the like (not shown).

  The control unit 35 includes a CPU (Central Processing Unit) 35a that controls the entire mobile phone 20, and a ROM (Read Only Memory) 35b in which a shooting mode detection display control program for operating the CPU 35a is recorded. Yes. In particular, in this embodiment, the control unit 40 causes the liquid crystal display unit 24 to display the shooting mode information stored in the image storage unit 34 based on the shooting mode detected by the shooting mode detection unit 31. The secondary battery 36 is composed of, for example, a lithium ion battery and supplies power to each part of the mobile phone 20.

5 is a diagram showing a state in which the slide switch 28 in FIG. 2 is switched, FIG. 6 is a view in the direction of arrow A in FIG. 5, and FIG. 7 is the shooting mode information displayed on the liquid crystal display unit 24. It is a figure which shows an example of a corresponding image.
With reference to these drawings, the operation of the mobile phone 20 will be described.
In the cellular phone 20, the camera 27 is focused and photographed on a subject at a relatively long distance when the standard photographing mode is selected and set, while the camera 27 is relatively selected when the close-up photographing mode is selected and set. Focus on a subject at a short distance and shoot. The captured image is displayed on the liquid crystal display unit 24. The shooting mode detection unit 31 detects the shooting mode set in the camera 27, and shooting mode information corresponding to the detected shooting mode is read from the image storage unit 34 and displayed on the liquid crystal display unit 24. Is done.

  That is, when the land 31a and the leaf spring 31b are in the off state, the photographing mode detecting unit 31 detects that the camera 27 is selected and set to the standard photographing mode, and as shown in FIG. “Normal mode” is displayed as shooting mode information in the auxiliary symbol display area 24a. On the other hand, as shown in FIG. 5 or 6, when the slide switch 28 is slid and the leaf spring 31 b is pressed and the land 31 a and the leaf spring 31 b are in the on state, the shooting mode detection unit 31 causes the camera to move. 27 is selected and set to the close-up shooting mode, and “close-up shooting mode” (not shown) is displayed in the auxiliary symbol display area 24a of the liquid crystal display unit 24 as shooting mode information.

  As described above, in this embodiment, the shooting mode detection unit 31 detects the shooting mode set in the camera 27, and when the standard shooting mode is selected and set, the “normal mode” is displayed on the liquid crystal display unit 24. Since “Close-up mode” is displayed when the close-up shooting mode is selected and set, the user can check the shooting mode when the camera 27 is activated, so that an erroneous operation in selecting the shooting mode can be performed. As it disappears, troubles such as camera shake are avoided.

The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to the embodiment, and even if there is a design change without departing from the gist of the present invention, Included in the invention.
For example, the photographing mode detection unit 31 may be configured by a photo interrupter that performs an on / off operation when light is passed / blocked by sliding of the slide switch 28. In the above embodiment, the shooting mode information is displayed in the auxiliary symbol display area 24a. However, the shooting mode information is turned on / off according to the shooting mode information ("close-up mode" / "normal mode"). An LED (Light Emitting Diode) may be provided. Further, in the auxiliary symbol display area 24a, a warning message for prompting the user to switch the shooting mode (for example, “Please switch the shooting mode”) may be displayed. Further, the liquid crystal display unit 24 may be EL (electroluminescence) or the like. The mobile terminal device is not limited to a mobile phone, and may be a PDA (Personal Digital Assistants), for example. Further, the casing of the mobile phone is not limited to the straight type of the above embodiment, but may be a folding type, a sliding type, a rotating type, or the like.

  The present invention can be applied to all portable terminal devices such as a mobile phone equipped with a camera capable of selecting and setting the photographing mode to the standard photographing mode or the close-up photographing mode. Further, the present invention can be applied to functions unique to a portable terminal device having a camera, such as a barcode reading function and a character recognition function. When using these special functions, it is necessary to take a close-up shot of the subject. Therefore, when the set shooting mode is electrically determined and the close-up shooting mode is not set, the display mode displays the shooting mode. The user switches the shooting mode by performing a display prompting the switching. This avoids an erroneous operation of selecting the shooting mode.

It is a perspective view which shows the principal part of the external appearance of the portable terminal device which is one Example of this invention. It is a perspective view which shows the principal part of the internal structure of the portable terminal device of FIG. It is an A direction arrow directional view of FIG. It is a block diagram which shows the electric constitution of the principal part of the mobile telephone 20 of FIG. FIG. 3 is a diagram showing a state in which a slide switch 28 in FIG. 2 is switched. It is an A direction arrow directional view of FIG. 6 is a diagram illustrating an example of an image corresponding to shooting mode information displayed on a liquid crystal display unit 24. FIG. It is a perspective view which shows the principal part of the external appearance of the conventional mobile telephone. It is a perspective view which shows the principal part of the internal structure of the mobile telephone of FIG.

Explanation of symbols

20 Mobile phone (mobile terminal device)
24 Liquid crystal display part (part of photographing mode detection display means, detection result display part)
27 Camera 28 Slide switch (part of shooting mode setting part, part of lens position setting part, part of lens position switching mechanism part)
30 Shooting distance switching lever (part of shooting mode setting part, part of lens position setting part, part of lens position switching mechanism part)
31 Shooting mode detector (part of shooting mode detection display means, switch means)
31a Land (part of the shooting mode detector, part of the switch means)
31b Leaf spring (part of the shooting mode detector, part of the switch means)
34 Image storage unit (part of photographing mode detection display means)
35 Control part (part of photographing mode detection display means)
35a CPU (central processing unit) (part of photographing mode detection display means)
35b ROM (read-only memory) (part of photographing mode detection display means)

Claims (7)

A portable terminal device comprising: a camera that can support a standard shooting mode and a close-up shooting mode; and a shooting mode setting unit that selectively sets the camera to the standard shooting mode or the close-up shooting mode.
The present invention is characterized in that photographing mode detection display means for detecting a photographing mode set by the photographing mode setting unit and displaying photographing mode information indicating information corresponding to the detected photographing mode is provided. Mobile terminal device. The camera has a photographing lens and an image sensor,
The shooting mode setting unit
At the time of setting the standard photographing mode, the position of the photographing lens with respect to the image sensor is set so that the image sensor is positioned at the conjugate image plane position of the first subject at a relatively long distance, while the close-up photographing is performed. At the time of mode setting, it has a lens position setting unit that sets the position of the photographing lens with respect to the image pickup device so that the image pickup device is positioned at the position of the conjugate image plane of the second subject at a relatively short distance,
The photographing mode detection display means is
A shooting mode detection unit for detecting the set shooting mode based on the position of the shooting lens set by the lens position setting unit;
2. The portable terminal device according to claim 1, further comprising: a detection result display unit that displays the shooting mode information based on the shooting mode detected by the shooting mode detection unit. The lens position setting unit
A lens position switching mechanism for switching the position of the photographing lens corresponding to the standard photographing mode or the close-up photographing mode;
The shooting mode detector is
It has switch means that is controlled to be turned on / off in conjunction with the lens position switching mechanism, and is configured to detect the photographing mode corresponding to the on state or the off state of the switch means. The portable terminal device according to claim 2. Shooting used in a portable terminal device that includes a camera that is compatible with a standard shooting mode and a close-up shooting mode, and a shooting mode setting unit that selectively sets the camera to the standard shooting mode or the close-up shooting mode. A mode detection display device,
A shooting mode detection display configured to detect a shooting mode set by the shooting mode setting unit and to display shooting mode information indicating information corresponding to the detected shooting mode. apparatus. The camera has a photographing lens and an image sensor,
The photographing mode setting unit sets the position of the photographing lens with respect to the imaging element so that the imaging element is positioned at a position of a conjugate image plane of the first subject that is relatively far away when the standard photographing mode is set. On the other hand, when the close-up photography mode is set, a lens for setting the position of the photographing lens with respect to the image sensor so that the image sensor is located at the position of the conjugate image plane of the second subject at a relatively short distance. A position setting unit,
A shooting mode detection unit for detecting the set shooting mode based on the position of the shooting lens set by the lens position setting unit;
5. The photographing mode detection display device according to claim 4, further comprising: a detection result display unit that displays the photographing mode information based on the photographing mode detected by the photographing mode detection unit. The lens position setting unit
A lens position switching mechanism for switching the position of the photographing lens corresponding to the standard photographing mode or the close-up photographing mode;
The shooting mode detector is
It has switch means that is controlled to be turned on / off in conjunction with the lens position switching mechanism, and is configured to detect the photographing mode corresponding to the on state or the off state of the switch means. The photographing mode detection display device according to claim 5.   A shooting mode detection display control program for causing a computer to control the portable terminal device according to any one of claims 1 to 3.

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