JP2002077684A - Camera unit and portable electronic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a camera unit and a portable electronic device such as a mobile phone capable of restricting use and protecting recorded information with a simple configuration. SOLUTION: The mobile phone 10 has a camera function including a lens unit 13 and an image pickup device and comprises a finger contact member 14 which can be housed in a housing 11 and a user can touch one's finger thereon when moved and a fingerprint collation unit wherein a fingerprint contacted with the finger contact member is photographed by the lens unit and the image pickup device, then said fingerprint is collated with the registered fingerprint whether they are the same or not based upon the photographed image. When the fingerprint is recognized the same as the registered fingerprint by the fingerprint collation unit, restricted functions such as power switch become available.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera unit having a lens and an image sensor and having a function of photographing and comparing fingerprints, and a portable electronic device such as a portable telephone equipped with the camera unit.

[0002]

2. Description of the Related Art Recently, portable telephones with a camera function have been put into practical use, and telephones can be used while transmitting and receiving images. Such a mobile phone is provided with a lens and an image pickup device such as a CCD as a camera function, and can shoot a camera while displaying a shot image on a liquid crystal screen. On the other hand, since mobile phones store personal information such as telephone numbers and communication records, security of such information and prohibition of unauthorized use of others may be required. Similarly, in an electronic still camera, security may be similarly required for unauthorized use, captured images, and the like.

[0003]

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, the present invention provides a portable electronic device such as a camera unit and a portable telephone which can restrict use and protect recorded information with a simple configuration. The purpose is to provide.

[0004]

In order to achieve the above-mentioned object, a camera unit according to the present invention has a lens unit and an image sensor, and can be housed in a camera housing and can be moved by a user when moved. A finger contact member that can contact a finger,
A fingerprint collating unit that photographs a fingerprint of a finger placed on the finger contact member with the lens unit and the image sensor, and checks whether or not the fingerprint is the same as a registered fingerprint based on the captured image. Wherein the restriction function is enabled when the fingerprint matching unit determines that the fingerprint is the same as the registered fingerprint.

[0005] According to this camera unit, a fingerprint of a finger applied to the finger contact member is photographed by the camera, and the photographed fingerprint is compared with a registered fingerprint to determine whether or not the user is an identity person. When it is determined that the user is a person, limited functions such as a power supply function, a camera photographing function, and a photographed image reproducing function can be used. Information can be protected.

In this case, it is preferable that the lens unit is interlocked when the finger contact member is moved, so that the finger contact member is focused. Further, when the lens unit is facing another direction on the subject side when using the camera, the lens unit is configured to interlock and face the finger contact member when the finger contact member is moved. Is preferred.

[0007] It is preferable that at least a portion of the finger contact member to be touched by a finger is formed of a light transmissive plate, and an opening may be formed in a portion of the finger contact member to be touched by a finger.

In addition, the apparatus further comprises a display unit capable of displaying a photographed image and the display direction thereof being variable up, down, left and right, and placing the finger contact member on the read target unit to display the image of the read target unit. By configuring the display unit so that the display direction can be changed so that it can be easily read when displaying on the display unit, the camera unit of the present invention can be applied to reading books and documents, and can be used as a magnifying glass.

Another camera unit according to the present invention has a lens unit, an image sensor, and a display unit capable of displaying a photographed image, and can be housed in a camera housing and can be moved by a user's finger when moved. A light-transmissive finger contact member that can be applied to the lens portion and the image pickup element while the fingerprint of the finger applied to the finger contact member is illuminated, and the fingerprint is formed based on the photographed image. A fingerprint matching unit for checking whether the registered fingerprint is the same as the registered fingerprint, and when the fingerprint matching unit determines that the fingerprint is the same as the registered fingerprint, the restriction function can be used. It is characterized by the following.

According to the camera unit, the fingerprint of the finger applied to the finger contact member is photographed by the camera, and the photographed fingerprint is compared with the registered fingerprint to determine whether or not the user is the person himself / herself. When it is determined that the user is a person, limited functions such as a power supply function, a camera photographing function, and a photographed image reproducing function can be used. Information can be protected. At this time, since the photographing of the fingerprint is performed while illuminating, the photographed image becomes clear and the fingerprint image can be photographed with higher accuracy.

In this case, the display section has a movable front light section, and the front light section is moved to illuminate the finger contact member when photographing a fingerprint of a finger applied to the finger contact member. It is preferable to configure so that Further, a light emitting unit for illuminating the finger pad member,
Preferably, a light guide for guiding the light from the light emitting section to the light-transmissive finger pad is further provided.

[0012] The display direction of the display section can be changed vertically and horizontally, and when the image of the read target section is displayed on the display section by placing the finger contact member on the read target section, the display direction is changed. The camera unit according to the present invention can be applied to reading a book or a document, and can be used as a magnifying glass. At this time, since the reading target portion can be illuminated, reading becomes easy.

Further, the portable electronic device according to the present invention has a lens function and an image sensor, has a camera function, can be put in and taken out of a housing, and can touch a user's finger when moved. A finger contact member, a fingerprint of a finger placed on the finger contact member is photographed by the lens unit and the image sensor, and whether or not the fingerprint is the same as a registered fingerprint based on the photographed image is determined. A fingerprint collating unit for collating, wherein the restriction function can be used when the fingerprint collating unit determines that the fingerprint is the same as the registered fingerprint.

According to this portable electronic device, the fingerprint of the finger placed on the finger contact member is photographed by the lens unit and the image pickup device, and the photographed fingerprint is compared with the registered fingerprint to determine whether or not the user is himself / herself. If it is determined that the user is the user, limited functions such as a power supply function, a camera photographing function, a photographed image reproducing function, a communication function, recording information or a payment function can be used. With a simple configuration, it is possible to restrict unauthorized use by others and to protect various information.

In this case, it is preferable that the lens unit is interlocked when the finger contact member is moved so that the finger contact member is focused. Further, it is preferable that the lens unit be configured to be linked to face the finger contact member when the finger contact member is moved.

It is preferable that at least a portion of the finger contact member to be touched by a finger is formed of a light transmitting plate, and an opening is formed in a portion of the finger contact member to be touched by a finger.

In addition, the apparatus further comprises a display unit capable of displaying a photographed image and the display direction thereof being variable up, down, left and right, and placing the finger contact member on the read target unit to display the image of the read target unit. By configuring so that the display direction can be changed so that it is easy to read when displaying on the display unit, the portable electronic device of the present invention can be applied to reading books and documents, and can be used as a magnifying glass. .

Another portable electronic device according to the present invention has a lens function, an image sensor, and a display unit capable of displaying a photographed image, has a camera function, can be housed in a housing, and can be moved when moved. A light-transmissive finger contact member capable of contacting a user's finger, and an image taken by the lens unit and the imaging element while illuminating a fingerprint of the finger applied to the finger contact member, based on the photographed image. A fingerprint matching unit that checks whether the fingerprint is the same as the registered fingerprint.If the fingerprint matching unit determines that the fingerprint is the same as the registered fingerprint, a restriction function is provided. It can be used.

According to this portable electronic device, the fingerprint of the finger placed on the finger contact member is photographed by the lens unit and the image pickup device, and the photographed fingerprint is compared with the registered fingerprint to determine whether or not the user is himself / herself. If it is determined that the user is a person, limited functions such as a power supply function, a camera photographing function, a photographed image reproducing function, a communication function, a recorded information reproducing function, and a settlement function can be used. Therefore, it is possible to restrict the unauthorized use of others with a simple configuration and to protect various information. At this time, since the photographing of the fingerprint is performed while illuminating, the photographed image becomes clear and the fingerprint image can be photographed with higher accuracy.

In this case, the display section has a movable front light section, and the front light section is moved to illuminate the finger pad when photographing a fingerprint of a finger applied to the finger pad. It is preferable to configure so that Further, a light emitting unit for illuminating the finger pad member,
Preferably, a light guide for guiding the light from the light emitting unit to the light transmitting finger pad is provided.

Further, the display direction of the display section can be changed vertically and horizontally, and the display direction is displayed when the image of the read target section is displayed on the display section by placing the finger contact member on the read target section. The portable electronic device of the present invention can be applied to reading a book or a document, and can be used as a magnifying glass. At this time, since the reading target portion can be illuminated, reading becomes easy.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, second and third embodiments of the present invention will be described below with reference to the drawings.

<First Embodiment>

FIGS. 1 to 4 show a mobile phone having a camera function according to the first embodiment. FIG. 1 is a perspective view of the mobile phone, and FIG. FIG. 3 is a perspective view schematically showing an interlocking mechanism between a finger contact member and a lens unit, and FIG. 3B is a diagram for explaining focusing of the lens unit;
FIG. 4C is a block diagram of a main part of the mobile phone.

As shown in FIGS. 1 and 2, a portable telephone 10 as a portable electronic device includes a liquid crystal display unit 12 provided on the surface of a casing 11 for displaying various image information, and a casing 11.
The lens unit 13 protrudes from the upper end surface 11a and can rotate to form a camera function. The lens unit 13 can be housed in the housing 11 on the side surface 11b of the housing 11 and can be pulled out by sliding along the groove 11c. And a finger contact member 14 made of a light transmissive member for contacting the user's finger.

As shown in FIG. 3, in the housing 11 of the portable telephone 10, the lens unit 13 is moved in accordance with the movement of the finger contact member 14 so that the lens 13 is moved to the camera photographing position (FIG. 1) and the fingerprint photographing position (FIG. 2).
And an interlocking mechanism for focusing the lens unit 13 on the finger contact member 14 when the lens unit 13 is at the fingerprint photographing position in FIG. This interlocking mechanism is shown in FIG.
(A), the cam rod 1 connected to the finger support member 14;
A rotating cam portion 15 having a cam groove 15a formed on the peripheral surface with which the engaging portion 7 is engaged is provided, and the rotating cam portion 15 is connected to the lens portion 13 by a rotating shaft 16. Move the finger support member 14 in the vertical direction F
Or, when it is moved to F ', the cam groove 15a of the cam rod 17
The vertical cam moves the rotary cam 15 to the rotary shaft 16.
, So that the lens unit 13 is rotated
Is rotated in the rotation direction R or R ′.

As shown in FIGS. 3B and 3C,
The lens unit 13 includes lenses 13a, 13b, 13c and a focus sensor 19, and the lenses 13a and 13b are integrally movable in the optical axis p direction by a holding lens barrel 13d. Further, as shown in FIG. 3C, the claw 18 is fixedly disposed on the housing 11 side in the lens unit 13, and when the lens unit 13 moves, the lenses 13 a and 13 b are integrated with the claw 18.
As a result, the lens unit 13 is moved for the close-up photographing by moving with respect to the lens 13d, and it is possible to confirm that the focus is achieved by the focus sensor 19.

As shown in FIG. 4, the mobile phone 10 includes an image pickup device 20 such as a CCD which constitutes a camera function together with the lens unit 13, and a fingerprint from the image pickup device 20 when a finger is put on the finger contact member 14. An image processing unit 21 that performs predetermined image processing on the image signal of the user, a registered fingerprint recording unit 23 that performs image processing on the fingerprint of the user in advance by the image processing unit 21 and stores the fingerprint image for registration, A determination unit 22 that determines whether the fingerprint image subjected to image processing by the unit 21 matches the fingerprint image of the user registered in the registered fingerprint recording unit 23, and a fingerprint image of the person determined by the determination unit 22 And a restriction release instructing unit 24 for releasing the restricted function when it matches. Image processing unit 21
And the determination unit 22 constitute a fingerprint collation unit.

The mobile phone 10 shown in FIG. 4 can display an image signal from the image pickup device 20 on the liquid crystal display unit 12, and has a liquid crystal display control unit 25 for controlling the display direction to change up, down, left and right. Prepare.

The restriction canceling instruction unit 24 is provided with a judgment unit 22.
When it is determined that the image is a fingerprint image of the user, the power switch 26 is kept ON. Further, after the power switch 26 of the mobile phone 10 is turned off (including the case where the power switch 26 is turned off by the auto-off function due to non-use for a certain period of time), when the power switch 26 is turned on, the determination unit 22 sets the fingerprint The power switch 26 is automatically turned off by an instruction from the restriction release instruction unit 24 when the determination is not made or when it is determined that the image is not the fingerprint image of the user. Note that, when it is determined that the image is the fingerprint image of the person, the camera release function, the captured image reproduction function, the communication function, or the recorded information reproduction function of the mobile phone 10 can be used by the instruction of the restriction release instruction unit 24. Alternatively, the settlement function of the electronic transaction may be used.

The use of the portable telephone 10 shown in FIGS. 1 to 4 will be described. Turn on the power switch 26,
When the finger contact member 14 is pulled out in the direction F in FIGS. 2 and 3 and moved on the side surface 11b of the housing 11, the cam bar 17 connected to the finger contact member 14 rotates in the direction F as shown in FIG. The cam unit 15 moves within the cam groove 15a, and the rotation cam unit 15 rotates in the rotation direction R with this movement, so that the lens unit 13 rotates, and the fingerprint photographing position shown in FIG. During this rotation, the lenses 13a and 13b are moved by the claws 18 so that the lens unit 13 is ready for close-up photography for fingerprint photography. In this state, when a finger is applied to the circular concave portion 14a of the finger application member 14 in FIG.
An image is automatically taken, an image signal from the image sensor 20 is subjected to image processing in the image processing unit 21, and it is determined whether or not the fingerprint image matches that of the user himself / herself stored in the registered fingerprint storage unit 23. The determination is made by the unit 22. If it is determined that the fingerprint image matches the one of the user, the mobile phone 10 can be used as it is by the instruction of the restriction release instruction unit 24, and it is determined that the fingerprint image does not match the one of the user. Power switch 26 of the mobile phone 10
Automatically turns off. Thus, the mobile phone 1
0 can be prevented from unauthorized use, and the security of personal information stored in the mobile phone 10, such as telephone numbers and communication records, and shooting information captured by the camera function can be ensured.

When the above-mentioned fingerprint collation is completed, when the finger contact member 14 is slid in the direction F 'in FIG. 2, the lens section 13 operates in the opposite direction to that described above, and the optical axis p moves in the direction shown in FIG. And returns to the camera shooting position.
It is stored in one.

Next, referring to FIG. 5, an application example when using the portable telephone 10 shown in FIGS. 1 to 4 will be described. In the example of FIG. 5, the side surface 11 b of the mobile phone 10 is turned down, and the finger contact member 14 is placed on a hard-to-read book or newspaper, and the characters are enlarged and displayed on the liquid crystal display unit 12. .
At this time, the display direction of the liquid crystal display unit 12 can be changed vertically, horizontally and vertically by the liquid crystal display control unit 25 of FIG. Thus, the fingerprint collating function of the mobile phone 10 shown in FIGS. 1 to 4 can be applied and used as a magnifying glass, which is convenient. In addition, it is preferable to apply illumination light toward the finger contact member 14 because the reading becomes easier.

<Second Embodiment>

FIGS. 6 and 7 are views showing a mobile phone having a camera function according to a second embodiment. FIG. 6 (a) is a perspective view of the mobile phone. (B) is a perspective view of the mobile phone showing the operation of performing the above operation, and (c) is a perspective view of the mobile phone showing a state where the cover of the finger rest member is slid. FIG. 7 is a perspective view schematically showing an interlocking mechanism for focusing the mobile phone of FIG. 6 and FIG. 7 are block diagrams of main parts of the mobile phone shown in FIG.
Therefore, the same portions are denoted by the same reference numerals and description thereof will be omitted.

As shown in FIGS. 6A to 6C, a portable telephone 30 as a portable electronic device has a lens unit 33 constituting a camera mechanism built in a housing 31. A rectangular hole 31a is provided in the upper part of the side surface 31b of the housing 31,
In this hole 31a, a finger contact member 34 made of a light transmissive member is provided so as to be slidable in the housing 31.

As shown in FIG. 7, the interlocking mechanism for focusing has a cam portion 35 on the inner surface side of the finger contact member 34, and the cam portion 35 is formed with a cam groove 35a. The cam rod 36 engaged in the cam groove 35a moves the lens unit 33 in the forward direction m and the backward direction m 'by moving the finger contact member 34 in the vertical direction F and F'.
The lens unit 33 moves for focusing in the forward direction m at the time of capturing a fingerprint, and it can be confirmed by the focusing sensor 39 that focus has been achieved. A limit switch 38 is provided above the hole 31a on the side surface 31b of the casing 31. When the finger contact member 34 is slid upward in the hole 31a, the finger contact member 34
Limit switch 38 is turned on when the upper end surface 34a of the
It is configured so that fingerprint photography is possible. Also,
A step portion 34 b is formed on the inner surface of the finger contact member 34 so as to come into contact with the locking portion 37 on the housing 31 side. When the fingerprint image matches that of the user, the locking portion 37
The downward direction F ′ based on the instruction of the restriction release instruction section 24 in FIG.
, The finger contact member 34 can move in the downward direction F ′, and the camera unit 33 can take a picture with the camera. If the fingerprint image does not match that of the user, the locking portion 37 cannot move in the downward direction F ′, and the finger contact member 34 abuts on the locking portion 37 at the step portion 34b, and the downward F The camera section 33 cannot take a picture because it cannot move to '.

The use of the portable telephone 30 shown in FIGS. 6 and 7 will be described. When the finger contact member 34 on the side surface 31b of the housing 31 is slid upward in the direction F as shown in FIG. 7, the cam rod 36 in the cam groove 35a advances the lens unit 33 in the direction m, and the finger contact member 34 Focus is on the upper end face 34
When "a" comes into contact with the limit switch 38, the fingerprint photographing is enabled. In this state, as shown in FIG.
Is applied to the finger applying member 34 to perform fingerprint photographing. As described with reference to FIG. 4, when it is determined that the fingerprint image matches that of the user, the restriction release instruction unit 2
By the instruction of 4, the mobile phone 30 can be used, and at the same time, the stopper function of the locking portion 37 is released, the finger contact member 34 is stored in the housing 31, and the camera shooting by the lens portion 33 becomes possible. If it is determined that the fingerprint image does not match the one of the user, the communication function of the mobile phone 30, the information reproducing function, the settlement function of the electronic transaction, and the like cannot be used. Since the function is not released, the finger contact member 34 cannot be moved and the camera image cannot be taken by the lens unit 33. In this way, unauthorized use of the mobile phone 10 by other people can be prevented, and security of personal information such as telephone numbers and communication records stored in the mobile phone 10 and shooting information and the like taken by the camera function can be ensured. Can be. In this case, as shown in FIG. 6D, light may be guided from the light emitting element 48 illuminating the liquid crystal display unit 12 to the finger contact member 34 by the light guide 49 for illumination of the fingerprint.

<Third Embodiment>

FIGS. 8, 9 and 10 are views showing a mobile phone having a camera function according to the third embodiment. FIG. 8 is a perspective view of the mobile phone, and FIG. FIG. 10 is a perspective view of the mobile phone in a state, and FIG. 10 is a perspective view of a main part showing a configuration of a front light unit. The block diagrams of the main parts of the mobile phone of FIGS. 8 and 9 are the same as those of FIG. 4, and the same parts are denoted by the same reference numerals and description thereof will be omitted.

As shown in FIGS. 8 and 9, a portable telephone 40 as a portable electronic device has a front light section having a rectangular opening at the center for illuminating the liquid crystal display section 12 around the liquid crystal display section 12. A front member 12a is provided, and a cover member 12b made of a light transmissive member is attached to a front surface of the front light portion 12a. A step portion 42 is formed on an upper portion of the housing 41, and a lens portion 43 constituting a camera function is provided on a flat portion 41 a above the step portion 42.
The front light portion 12a slides in the direction f in FIG. 8 together with the cover member 12b, protrudes from the step portion 42 as shown in FIG. 9, and is located above the lens portion 43.
The lens unit 43 focuses on the cover member 12b as the front light unit 12a moves, and focuses on the finger when the finger is put on the cover member 12b.

As shown in FIG.
A light guide 45 is provided on the end face 12c on both sides of the opening of 2a, and the light emitting element 44 is arranged to face the end face 12d. When the light from the light emitting element 44 enters from the end face 12d, the light is guided by the light guide 35 and emitted from the both end faces 12c to illuminate the inside of the opening of the front light portion 12a.

With the front light portion 12a and the cover member 12b pulled out as shown in FIG.
Since the finger is illuminated by the illumination light from the front light portion 12a when a finger is touched on the finger 2b to perform fingerprint imaging, the captured image becomes clearer, and the fingerprint reading accuracy is further improved, which is preferable. According to the mobile phone 40 shown in FIGS. 8 and 9, the same effects as those of the mobile phones 10 and 30 can be obtained, and unauthorized use of the mobile phone 40 by another person can be prevented.
Further, security of personal information such as a telephone number and communication record stored in the mobile phone 40 and information of photographing by a camera function can be ensured.

Although the present invention has been described with reference to the embodiments, the present invention is not limited to these embodiments.
Various modifications are possible within the scope of the technical idea of the present invention. For example, in this embodiment, a description has been given of a mobile phone. However, a camera unit including a lens unit and an image sensor may be used, and the same effect as that of a mobile phone can be obtained. The portable electronic device is not limited to a mobile phone, but may be another device, for example, a portable electronic organizer having a camera function.

The registered fingerprint can be registered in the following storage means. (1) a memory in the main body, (2) a memory detachable from the main body, and (3) a server on a network (registered and confirmed by communication). In the case of (3), when the user is out of the communication range, the level of restriction release by authentication may be changed by releasing restrictions other than the settlement function.

As an application example of the fingerprint detection function,
(1) Use as a magnifying glass (see FIG. 5), (2) By adding a pattern analysis function, it is possible to add functions such as taking in and reading out characters from newspapers and books, and the like. Application is possible.

[0047]

According to the present invention, it is possible to provide a portable electronic device such as a camera unit and a portable telephone which can restrict the unauthorized use of others and protect recorded information with a simple configuration.

[Brief description of the drawings]

FIG. 1 is a perspective view of a mobile phone according to a first embodiment.

FIG. 2 is a perspective view of the mobile phone in a state where a finger contact member is pulled out in FIG. 1;

FIGS. 3A and 3B are a perspective view schematically illustrating an interlocking mechanism between a finger contact member and a lens unit in the mobile phone of FIG. 1, a diagram illustrating a configuration of the lens unit, and focusing of the lens unit. (C) of FIG.

FIG. 4 is a block diagram of a main part of the mobile phone of FIG. 1;

FIG. 5 is a perspective view showing another application example of the mobile phone of FIG. 1;

FIG. 6A is a perspective view of the mobile phone according to the second embodiment, FIG. 6B is a perspective view of the mobile phone showing an operation of putting a finger on a finger contact member and taking a fingerprint, and sliding the cover of the finger contact member. It is a perspective view (c) of the mobile telephone which shows the state made to be made.

7 is a perspective view schematically showing an interlocking mechanism for focusing of the mobile phone of FIG. 6;

FIG. 8 is a perspective view of a mobile phone according to a third embodiment.

9 is a perspective view of the mobile phone shown in FIG. 8 in a state in which fingerprint photographing is performed.

FIG. 10 is a perspective view of a main part showing a configuration of a front light unit in FIG. 8;

[Explanation of symbols]

 10, 30, 40 Cellular phone (portable electronic device) 11, 31, 41 Housing 12 Liquid crystal display unit 12a Front light unit 12b Cover member (finger contact member) 13, 33, 43 Lens unit 14, 34 Finger contact member 15 rotation Cam unit 20 Image sensor, CCD 21 Image processing unit (fingerprint collation unit) 22 Judgment unit (fingerprint collation unit) 24 Limit release instruction unit 26 Power switch 35 Cam unit

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G03B 17/04 G03B 17/04 5J104 17/20 17/20 5K011 19/02 19/02 H04B 1/38 H04B 1/38 H04N 5/232 H04N 5/232 Z // H04L 9/32 H04L 9/00 673D

Claims (22)

[Claims] 1. A camera unit having a lens unit and an image sensor, wherein the finger unit is housed in a camera housing and is capable of hitting a user's finger when moved. A fingerprint matching unit that captures a fingerprint of a finger that has been hit by the lens unit and the image sensor, and checks whether the fingerprint is the same as a registered fingerprint based on the captured image. The restriction unit can be used when the fingerprint matching unit determines that the fingerprint is the same as the registered fingerprint. 2. The camera unit according to claim 1, wherein when the finger contact member is moved, the lens unit is interlocked to focus on the finger contact member. 3. The camera unit according to claim 1, wherein the lens unit is linked to face the finger contact member when the finger contact member is moved. 4. The camera unit according to claim 1, wherein at least a portion of the finger contact member to be touched by a finger is formed of a light transmissive plate. 5. An apparatus according to claim 1, wherein an opening is formed in a portion of said finger contact member to be touched by a finger.
The camera unit according to the item. 6. The camera unit according to claim 1, wherein the restriction function is a power supply function, a camera photographing function, or a photographed image reproducing function. 7. A display unit capable of displaying a photographed image and having a display direction variable up and down and left and right, wherein the finger contact member is placed on the read target unit and the image of the read target unit is displayed. The camera unit according to any one of claims 1 to 6, wherein the display direction can be changed so that the display direction can be easily read when displaying on the display unit. 8. A camera unit having a lens unit, an image sensor, and a display unit capable of displaying a captured image, wherein the camera unit can be stored in a camera housing and can be touched by a user's finger when moved. A light-transmissive finger contact member, and a lens in which a fingerprint of the finger placed on the finger contact member is illuminated and photographed by the lens unit and the image sensor while the fingerprint is registered based on the photographed image. A fingerprint collating unit for collating whether or not the fingerprints are the same. When the fingerprint collating unit determines that the fingerprint is the same as the registered fingerprint, the restriction function can be used. Camera unit. 9. The display unit has a movable front light unit, and illuminates the finger contact member by moving the front light unit when photographing a fingerprint of a finger placed on the finger contact member. 9. The camera unit according to claim 8, wherein the camera unit is configured as described above. 10. The light-emitting device according to claim 8, further comprising: a light-emitting unit for illuminating the finger-contact member; and a light guide for guiding light from the light-emitting unit to the finger-contact member. Camera unit. 11. The display direction of the display unit is variable in up, down, left, and right directions, and the display direction is set when the image of the read target unit is displayed on the display unit by placing the finger contact member on the read target unit. 11. The camera unit according to claim 8, wherein the camera unit is configured to be able to change the image data so as to be easily read. 12. A portable electronic device having a lens function and an image sensor and having a camera function, comprising: a finger contact member which can be stored in a housing and which can contact a user's finger when moved. Fingerprint collation for photographing a fingerprint of a finger applied to the finger contact member by the lens unit and the image sensor, and collating based on the photographed image whether the fingerprint is the same as a registered fingerprint. A portable electronic device, comprising: a restriction unit that can be used when the fingerprint matching unit determines that the fingerprint is the same as the registered fingerprint. 13. The portable electronic device according to claim 12, wherein when the finger contact member is moved, the lens unit is interlocked to focus on the finger contact member. 14. The portable electronic device according to claim 12, wherein the lens unit is linked to face the finger contact member when the finger contact member is moved. Camera unit. 15. The portable electronic device according to claim 12, wherein at least a portion of the finger contact member to be touched by a finger is formed of a light transmissive plate. 16. The portable electronic device according to claim 12, wherein an opening is formed in a portion of the finger contact member to be touched by a finger. 17. The function according to claim 12, wherein the restriction function is a power supply function, a camera photographing function, a photographed image reproducing function, a communication function, a recorded information reproducing function, or a settlement function.
7. The portable electronic device according to any one of 6. 18. A display unit capable of displaying a captured image and having a display direction variable up, down, left, and right, wherein the finger contact member is placed on the reading target unit and the image of the reading target unit is displayed. 18. The portable electronic device according to claim 12, wherein the display direction can be changed so that the display direction can be easily read when the portable electronic device is displayed on a display unit. 19. A portable electronic device having a camera function having a lens unit, an image sensor, and a display unit capable of displaying a photographed image, wherein the portable electronic device can be stored in a housing and can be moved by a user's finger when moved. A light-transmissive finger contact member that can be applied to the lens portion and the image sensor while illuminating the fingerprint of the finger applied to the finger contact member, and the fingerprint is formed based on the photographed image. A fingerprint matching unit that checks whether the registered fingerprint is the same as the registered fingerprint. When the fingerprint matching unit determines that the fingerprint is the same as the registered fingerprint, the restriction function can be used. A portable electronic device characterized by the above-mentioned. 20. The display section has a movable front light section, and illuminates the finger pad by moving the front light section when capturing a fingerprint of a finger placed on the finger pad. 20. The portable electronic device according to claim 19, wherein the portable electronic device is configured as described above. 21. The light emitting device according to claim 19, further comprising: a light emitting unit for illuminating the finger contact member; and a light guide for guiding light from the light emitting unit to the finger contact member. Mobile electronic devices. 22. A display direction of the display unit is variable in up, down, left, and right directions, and the display direction is set when the image of the read target unit is displayed on the display unit by placing the finger contact member on the read target unit. 21. The apparatus according to claim 19, wherein the information can be changed so as to be easily read.
Or the mobile electronic device according to 21.