JP2003015768A - Portable electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make the best of the space of the upper face part and peripheral edge face parts of the main body of portable electronic equipment without being limited by a fingerprint detecting sensor. SOLUTION: This portable electronic equipment is provided with an equipment main body 1 having an upper face part, lower face part, one side face part, the other face part, front face part, and rear face part wherein the upper face part is formed with a display screen for displaying information and a fingerprint detecting sensor 51 arranged on a lower face part 3 of the equipment main body 1 for detecting fingerprints on a tip of the finger by touching the finger to the sensor 51. A recessed part 52 recessed inward the equipment main body is formed from the side face part to the lower face part at the part biased to the rear face part continued to the side face part at the lower face part of the equipment main body, and the fingerprint detecting sensor 51 is arranged on the bottom face of the recessed part 52.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable electronic device having a device body having a display screen on its upper surface.

[0002]

2. Description of the Related Art For example, some portable electronic devices used as portable information terminals have a function of authenticating an individual by using a fingerprint so that others cannot see the personal information when using the portable electronic device. That is, this detects the user's fingerprint and collates it with a pre-registered fingerprint, and turns on the power of the device only when both fingerprints match as a result of the collation.

Conventionally, as a portable electronic device having a function of authenticating an individual by using such a fingerprint, for example, a device body having a keyboard on the upper surface and a display screen on the lower surface (inner surface) are provided. There is a cover provided with an openable and closable lid, and a fingerprint detection sensor for detecting a fingerprint on the fingertip by touching the fingertip of the hand on the upper surface of the device body adjacent to the keyboard. There is also a device in which a fingerprint detection sensor is provided on a side surface of a device body having a keyboard provided on an upper surface.
(JP-A-11-185016).

In addition, in a pen-input type portable electronic device having a display screen having a function of inputting information by touching a pen on the upper surface of the device body, a portion adjacent to the display screen is located on the upper surface of the device body. Is equipped with a fingerprint detection sensor.

[0005]

However, in the portable electronic device disclosed in the first Japanese Patent Laid-Open No. 11-185016, the keyboard and the fingerprint detection sensor are provided side by side on the upper surface of the device main body. The limited space on the upper surface cannot be utilized to the maximum because it is limited by the fingerprint detection sensor when the keyboard is provided, which reduces the space occupied by the keyboard and reduces operability.

Further, in a portable electronic device in which a fingerprint detection sensor is provided on the side surface of the device body, the limited space in the peripheral surface parts (the width direction side surface parts, the front side surface part and the rear side surface part) of the device body is In providing a doorway for a recording medium, a connector, etc., the fingerprint detection sensor restricts the maximum utilization of the recording medium, resulting in poor operability.

Even in the second portable electronic device of the pen input type, since the display screen and the fingerprint detection sensor are provided side by side on the upper surface of the device body, the limited space on the upper surface of the device body provides the display screen. Therefore, the fingerprint detection sensor is limited and cannot be used to the maximum extent, so that the space occupied by the display screen is reduced and the displayability and operability on the screen are deteriorated. Especially in the pen input method, a large screen size is required in order to enhance the input operation by the pen.

It is an object of the present invention to provide a portable electronic device in which the space of the upper surface portion and the peripheral surface portion of the device body can be used to the maximum without being restricted by the fingerprint detection sensor.

[0009]

A portable electronic device according to the invention of claim 1 has an upper surface portion, a lower surface portion, one side surface portion, another side surface portion, a front surface portion and a rear surface portion, and displays information on the upper surface portion. And a fingerprint detection sensor that is provided on the lower surface of the device body and that detects the fingerprint on the fingertip by touching the fingertip of the hand.

According to the configuration of the present invention, the space on the upper surface of the device body is not limited to the fingerprint detection sensor and can be used to the maximum for information input. Further, the space of the peripheral surface portion including the side surface portion of the device main body is not limited to the fingerprint detection sensor, and can be used to the maximum for providing the entrance and exit of the recording medium.

According to a second aspect of the present invention, in the portable electronic device according to the first aspect, the fingerprint detecting sensor is provided on a lower surface portion of the device main body at a position continuous with the one side surface portion and close to the rear surface portion. It is characterized by being provided.

According to a third aspect of the present invention, in the portable electronic device according to the second aspect, the fingerprint detection sensor is provided at a portion of the lower surface of the device body which is continuous with one side surface and is close to the rear surface. In addition, a power switch is provided on the other side of the device body.

According to a fourth aspect of the present invention, in the portable electronic device according to any one of the first to third aspects, the lower surface of the device main body is provided with a recessed portion that extends toward the inside of the device main body over the lower surface and the side surface. The fingerprint detection sensor is formed on the bottom surface of the recess.

According to a fifth aspect of the present invention, in the portable electronic device according to the fourth aspect, the recess is sized to set the position of the fingertip of the hand such that the main part of the fingerprint is located at the fingerprint detection sensor. It is characterized by having.

According to a sixth aspect of the present invention, in the portable electronic device according to the first aspect, a cover having a cover portion for covering an upper surface portion of the equipment main body and a cover portion for covering a lower surface portion is provided, and the cover of the cover is provided. The cover portion covering the lower surface of the device body is fixed to the lower surface of the device body except for a portion corresponding to the fingerprint detection sensor provided in the device body.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to the drawings.

In this embodiment, the present invention is applied to a portable electronic device which uses a pen input method and is used as a portable information terminal having a communication function. Figure 1
Indicates a pen-input type portable electronic device.
Is a plan view, (b) is a left side view (one side view), (c) is a right side view (other side view), and (d) is a rear view. 2 to 7 show a mode in which a device body and a cover are combined, FIG. 2 (a) is a plan view showing a state in which the cover is closed to cover the device body, and FIG. 2 (b) is a right side view. . 3 is a plan view showing a state where the cover is opened, FIG. 4 is a view showing the cover and the lower surface of the device body, FIG. 5 is a perspective view showing a state where the cover is half opened, and FIG. 6 is a band of the cover removed. FIG. 7 is a perspective view showing a state, FIG. 7 is a perspective view showing a state in which a band of the cover is tightened, and FIG. 8 is a perspective view showing a state in which the apparatus body is held and used. 9 is an enlarged bottom view showing the fingerprint detection sensor provided in the device body, and FIG. 10 is an enlarged perspective view showing the fingerprint detection sensor provided in the device body.

In the figure, reference numeral 1 is a device body. This device body 1
1 is a thin rectangular box body configured by combining an upper case 11, a lower case 12, and a middle frame 13 as shown in FIG. 1, and includes an upper surface portion 2, a lower surface portion 3, a left side surface portion (one side view portion). ) 4, a right side surface portion (another side view) 5, a front surface portion 6 and a rear surface portion 7. In addition, the upper surface portion 2 and the lower surface portion 3 form a wide quadrangle, and the left side surface portion (one side view portion) 4,
The right side surface portion (another side view) 5, the front surface portion 6 and the rear surface portion 7 are elongated strips. That is, the upper case 11 forms the upper surface portion 2 of the device body 1, and includes a left side surface portion (one side view portion) 4, a right side surface portion (another side view) 5, and a front surface portion 6.
And a downwardly projecting edge portion 11a forming an upper portion of the rear surface portion 7. The lower case 12 forms the lower surface portion 3 of the device body 1, and the left side surface portion (one side view portion)
4, right side surface (other side view) 5, front surface 6 and rear surface 7
Has a downwardly projecting edge 12a that forms the lower part of the. The middle frame 13 has a quadrangular frame portion 13a having the same size as the upper and lower cases 11 and 12, and a part mounting portion (not shown) is formed in a portion surrounded by the frame portion 13a. In each of these members, the upper case 11 is arranged on the upper side and the lower case 12 is arranged on the lower side with the middle frame 13 sandwiched therebetween, and the lower end of the edge portion 11a of the upper case 11 is arranged on the upper end of the frame portion 13a of the middle frame 13. The upper end of the edge portion 12a of the lower case 12 is brought into contact with the middle frame 13
Abut on the lower end of the frame portion 13a of the
4 is screwed from the lower case 12 to the middle frame 13 and the upper case 11 so as to be fixed integrally. Upper case 11, lower case 12 and middle frame 1
3 is made of, for example, a synthetic resin in consideration of strength, moldability, electric insulation, weight and the like.

When using the device body 1, the device body 1 is arranged so that the rear surface portion 7 is on the upper side and the entire surface portion 6 is on the lower side, and the left hand HL holds the left side of the device body 1 and the right hand. Hold the right side of the device body 1 at the HR.

Inside the device main body 1, a circuit board (not shown) on which electronic components and circuit patterns constituting an electronic circuit necessary for the function of the electronic device are mounted is arranged and the frame portion of the middle frame 13 is arranged. A liquid crystal display which is attached to a portion surrounded by 13a and which constitutes a display screen 21 which will be described later (not shown), a slotter for loading a PC card, a loading section for loading a memory card, communication parts, and the like are provided. There is.

A display screen 21 is provided on the upper surface 2 of the device body 1. The display screen 21 has a size that occupies a large space on the upper surface 2 while ensuring a size necessary for a pen input method. It is a square with a. The display screen 21 has a rectangular opening 21a formed in the upper surface 2 (upper case 11) of the device body 1 and a transparent plate 21 attached to the upper surface 2 facing the opening 21a.
b, and a liquid crystal display 21c arranged on the lower side (inner side) of the transparent plate 21b so as to overlap each other. That is, the display screen 21 displays necessary information, and when the input pen 81 shown in FIG. 6 presses and contacts a predetermined portion of the display screen 21, the necessary information can be input.

The upper surface 2 of the device body 1 has a left side portion (one side portion) and a right side portion (the other side portion) sandwiching the display screen 21, respectively, as shown in FIG. It is a space where you can press it with your left and right thumbs when using it. In the space on the right side of the upper surface 2 of the device body 1, a cursor key for operating the cursor on the display screen 21,
22, an Internet button 23 for operating the Internet, a mail button 24 for operating an electronic mail, and other operation buttons 25 are provided. A lamp 26 for indicating a function is provided at an edge portion of the upper surface portion 2 which is continuous with the rear surface portion 7.

That is, the upper surface portion 2 of the device body 1 can be used only for providing keys and buttons, which are means for inputting information, in the other space other than the space for providing the display screen 21. Since the device is not used in a space for providing a fingerprint detection sensor, which will be described later, specifically, it can be widely used for providing an information input means.

A memory card inlet / outlet 31 for loading / unloading a memory card into / from a memory card loading portion provided inside the device body 1 is provided on the left side surface 4 of the device body 1, and a PC card provided inside the device body 1. P for slotter
PC card inlets / outlets 32 for inserting and removing C cards are provided side by side. The right side 5 of the device body 1 has an A on the front.
The C adapter 33 and the USB connector 34 are provided side by side in the front-rear direction, and the earphone jack 35 and the microphone jack 36 are provided side by side at the rear portion. Device body 1
A power switch 41 is provided on the rear surface portion 7 at the right end (the other end). This power switch 41 uses, for example, a push button switch.
a is provided so as to be located in a recess 42 formed in the rear surface portion 7 of the device body 1. That is, since the push button 41a is inside the recess 42, an external object is
Even if the user touches the rear surface portion 7, the push button 41a is not pressed and the user does not push the push button 41a.
By pressing a, the power switch 41 is turned on and off.

In this embodiment, when the user holds the device body 1 with both hands, the fingertip of the index finger of the right hand holding the right side surface (the other side surface part) of the device body 1 hits and operates naturally. As a position, the power switch 41 is provided at the right end (the other end) of the rear surface 7 of the device body 1. However, the present invention is not limited to this, and the power switch 41 is provided on the right side surface (the other side surface portion) of the device body 1, for example, the right side portion of the upper surface portion 2, and the right hand holding the right side surface portion (the other side surface portion) of the device body 1 is used. It only needs to be operable.

As described above, since the space around the peripheral portion of the device body 1, that is, the left side surface 4, the right side surface 5, the front surface 5 and the rear surface 7 is not provided with a fingerprint detection sensor described later, the invention is not limited to the fingerprint detection sensor. Other power switch 4
The present invention can be widely used to provide a port 1, a recording medium entrance / exit, and connectors.

The fingerprint detecting sensor 51 is located at the left side portion (one side portion) of the lower surface portion 3 of the device body 1, that is, an end portion continuous with the left side surface portion (one side surface portion) 4 and near the rear surface portion 7.
Is provided. A recess 52 that is recessed toward the inside of the device main body is formed between the lower surface 3 and the left side surface 4 at a portion of the lower surface 3 of the apparatus main body 1 that is continuous with the left side surface 4 and near the rear surface 7. Is the inner peripheral surface 52b in the shape of a fingertip
And a bottom surface 52a, and the fingerprint detection sensor 51 is provided on the bottom surface 52a. The fingerprint detection sensor 51 detects the fingerprint on the fingertip of the hand by applying it to the fingertip.
A transparent finger contact plate 51a provided on the bottom surface 52a, a light source (not shown) disposed inside the finger contact plate 51a and irradiating light to the fingertip applied to the finger contact plate 51a, and the fingertip. And a detection unit (not shown) for detecting the fingerprint by receiving the light reflected by. The above-mentioned circuit board is equipped with a collating unit for collating the fingerprint detected by this detecting unit with a pre-stored fingerprint, and when the fingerprints are matched by the collating unit, the power switch 41 of the electronic device is mounted. Is mounted with a control unit for turning on.

As shown in FIG. 10, the concave portion 52 is for fitting and positioning the fingertip of the hand to be applied to the finger contact plate 51a of the fingerprint detecting sensor 51, and the main part of the fingerprint is the finger contact plate 51a of the fingerprint detecting sensor 51. It has the shape and size to set the position of the fingertip so as to be located at. That is, when the fingertip is inserted into the recess 52, the position of the fingertip is regulated and the fingerprint surface comes into good contact with the finger contact plate 51a.

Here, the fingerprint detection sensor 51 is set to the above-mentioned position when the device body 1 is held by both hands and the tip of the index finger of the left hand holding the left side portion of the device body 1 naturally contacts. Because. That is, as shown in FIG. 8, when the index finger of the left hand holding the left side part of the device body 1 is located on the lower surface part 3 of the device body 1 when the device body 1 is held by both hands, the fingertip is the lower surface part of the device body 1. 3 into the concave portion 52, and the finger contact plate 51 on the bottom surface 52a of the concave portion 52
It hits a.

At the left end (one side end) of the rear surface 7 of the device body 1, a communication antenna 61 is erected so as to be erected. At the left end portion (one side end portion) of the rear surface portion 7 of the device body 1, an elongated recessed portion 62 that is recessed into the device body 1 across the rear surface portion 7 and the lower surface portion 3 and along the width direction of the device body is formed. The antenna 61 has the recess 62.
Are arranged along its length. The left end of the antenna 61 is rotatably supported by a pivot 63 provided horizontally at the left end of the recess 62 along the front-rear direction of the main body of the antenna, and a lying position A in which the antenna 61 horizontally lies down. It is provided so as to be vertically rotatable about the pivot shaft 63 between the recess 62 and an upright position B which stands upright. That is, the antenna 61 is laid down and accommodated in the recess 62 when communication is not performed, and is used by standing up from the recess 62 when communication is performed.

A stopper end surface 64 is formed so that when the antenna 61 stands upright at the left end of the recess 62, the base of the antenna 61 abuts and holds the standing position B. When the upright position B is vertical, the antenna 61 has a stopper end surface 64.
Since the length of abutting against is short and cannot be stably held, the stopper end surface 64 is tilted so as to fall toward the outside of the recess 62 and the antenna 61 is held at the standing position B which is tilted outward. The antenna 61 is for transmitting and receiving information by wireless communication between this electronic device and another electronic device, and is electrically connected to a circuit of a circuit board provided inside the device main body 1. . The length of the antenna 61 is a length that allows the antenna 61 to project from the cover portions 72 and 73 of the cover 71, which will be described later, at the standing position B, and to perform good communication without being blocked by the cover portions 72 and 73.

In this electronic device, the device body 1 is covered with a book-shaped cover 71 to protect the device body and enhance portability. The book-shaped cover 71 includes a first cover portion 72 that covers the upper surface portion 2 of the device body 1 from the outside.
A second cover portion 73 that covers the lower surface portion 3 of the device body 1 from the outside, a device body front surface side edge of the first cover portion 72, and a device body front surface side edge of the second cover portion 73. A connecting portion 74 for connecting which can be opened and closed outside the front surface portion 6 of the main body 1.
And a second cover portion which is attached to the rear side portion of the device body of the first cover portion 72 and passes over the rear side edge of the device body of the first cover portion 72 and the rear side edge of the device body of the second cover portion 73. A band 75 is provided at the rear side of the device body 73. First
The cover portion 72 and the second cover portion 73 of the device main body 1
It is a hard rectangular member having a slightly larger dimension in both the width direction of the device body and the front-back direction of the device body as compared with the upper surface portion 2 and the lower surface portion 3. The connecting portion 74 is an elongated member that covers the front surface portion 6 of the device body 1, and is flexible so that both cover portions 72 and 73 are openably and closably connected. For example, these cover portions 72, 73 and the connecting portion 74
Is integrally formed of one piece of leather, and covers 72, 7
No. 3 is a hardened core material.

The first cover portion 72 and the second cover portion 73
Is used by sandwiching the device body 1 by covering the device body 1 from the outside, and the lower surface portion 3 of the device body 1 is detachably attached to the inner surface of the second cover portion 73. . In this embodiment, as shown in FIG. 4, a velvet fastener 79A which is an example of a mounting member for mounting the device body 1 is attached to the inner surface of the second cover portion 73, and the velvet fastener is also attached to the lower surface portion 3 of the device body 1. 7
A velvet fastener 79B, which is an example of a mounting member for mounting the device body 1 that is detachably engaged with the 9A, is mounted with a size and a position corresponding to the velvet fastener 79A. As a result, the velvet fastener 79B attached to the lower surface portion 3 of the device body 1 is locked to the velvet fastener 79A attached to the inner surface of the second cover portion 73, and the second cover portion 73 is attached to the device body 1 in an overlapping manner. .
In this state, the first cover part 72 is centered around the connecting part 74.
Can be rotated toward and away from each other so as to displace the closed position covering the upper surface portion 2 of the device main body 1 and the separated open position.

The lower surface portion 3 of the device body 1 is attached to the second cover portion 7
When 3 is attached and covered, the open portion of the recess 52 in which the lower surface portion 3 is formed is covered with the second cover portion 73. With this, when the left-hand forefinger holding the left side portion of the device body 1 is located on the lower surface part 3 side of the device body 1 when the device body 1 is held by both hands, the fingertip opens the opening part on the lower surface part 3 side of the recess 52. It cannot be inserted into the inside of the recess 52 by hitting the covering second cover portion 73. Therefore, on the inner surface of the second cover portion 73, a velvet fastener 79A, which is an example of a mounting member, is provided in a region avoiding a portion that covers the open portion of the recess 52 of the device body 1. A velvet fastener 79B, which is an example of a mounting member for the lower surface portion 3 of the device body 1, is also provided. As a result, the portion of the second cover portion 73 that covers the open portion of the recess 52 of the device body 1 is not fixed to the lower surface portion 3 of the device body 1 but can be freely separated from the lower surface portion 3 of the device body 1.
Then, as shown in FIGS. 9 and 10, the left hand (HL) forefinger holding the left side portion of the device body 1 covers the opening of the recess 52 of the device body 1 in the second cover portion 73. The fingerprint is detected by peeling it off from the lower surface 3 and inserting it between the two, and inserting the fingertip into the recess 52 provided in the lower surface 3.

The band 75 has a first cover portion 7 at one end.
No. 2 is attached by means such as sewing to the widthwise central portion of the rear side of the device body, and the rear side edge of the device body of the first cover part 72 and the rear side edge of the device body of the second cover part 73. And the other end of the second cover 73 reaches the center of the rear side of the main body of the device. That is,
The band 75 moves integrally with the rotation of the first cover portion 72, and when the first cover portion 72 is at the position where the first cover portion 72 covers the upper surface portion 2 of the device body 1, the device body of the first cover portion 72 is closed. The other end reaches the central portion of the rear side of the main body of the second cover portion 73 while straddling between the rear side edge and the rear side edge of the main body of the second cover portion 73.

On the surface of the other end of the band 75 which faces the second cover portion 73, one male stopper 76, for example, is attached.
Is attached to the outer surface of the second cover portion 73 to which the distal end of the band 75 corresponds, and for example, two female stoppers 76A and 76B are detachably engaged with the male stopper 76. They are mounted side by side in the same direction. Further, the band 75 is connected to the rear side edge of the device body of the first cover portion 72 and the second cover portion 7.
The first cover portion 7 in a state of being passed to the rear side edge of the device body 3 of FIG.
The pen holding ring 7 is provided at a portion of the band 75 located between the rear side edge of the device body 2 and the rear side edge of the second cover portion 73.
8 is attached. The pen holding ring 78 insertably holds an information input pen 81 so that the pen 81 can be inserted and removed between the rear side edge of the device body of the first cover portion 72 and the rear side edge of the device body of the second cover portion 73. It is arranged along the width direction of the device body.

Therefore, when the pen 81 is held by the pen holding ring 78, the gap between the rear side edge of the device body of the first cover part 72 and the rear side edge of the device body of the second cover part 73 is increased. Since the length of the band 75 extending over the length of the band 75 is increased, the male stopper 76 of the band 75 is located on the outer surface of the second cover portion 73 at a position closer to the rear side edge of the device body of the two female stoppers 77A and 77B. Push it into a female stopper 77A to lock it. When the pen 81 is not held by the pen holding ring 78, the length of the band 75 extending between the device body rear side edge of the first cover part 72 and the device body rear side edge of the second cover part 73 is In order to make it smaller, the male stopper 76 of the band 75 is provided on the outer surface of the second cover portion 73 with two female stoppers 77A, 77B.
A female stopper 77 located far from the rear edge of the device body
Push into B and lock.

In the portable electronic device having such a structure, when the device body 1 is used, the device body 1 is arranged so that the rear surface portion 7 is on the upper side and the front surface portion 6 is on the lower side as shown in FIG. The left hand of the device body 1 is held by the left hand HL and the right hand part of the device body 1 is held by the right hand HR. When the index finger of the left hand holding the left side portion of the device body 1 is located on the lower surface portion 3 of the device body 1, the fingertip enters the recess 52 formed in the lower surface portion 3 of the device body 1 and is provided on the bottom surface 52a of the recess 52. It touches the finger contact plate 51a of the fingerprint detection sensor 51. Then, the fingerprint detection sensor 51 detects the fingerprint of the fingertip, and when the detected fingerprint is collated with the registered fingerprint and coincides, the power switch 41 can be turned on.

This portable electronic device includes a fingerprint detection sensor 5
Since the device 1 is provided on the lower surface 3 of the device body 1, it is not necessary for the user to provide the fingerprint detection sensor 51 on the upper surface 2 of the device body 1 for detecting the fingerprint on the fingertip by the user. The space of the upper surface 2 of the device body 1 is not limited to the presence of the fingerprint detection sensor 51 and can be used to the maximum for information input. Further, the space of the peripheral portion including the side surface portion of the device main body 1 is not limited to the fingerprint detection sensor 51, and can be used to the maximum for providing an entrance / exit of a recording medium, a connector and the like.

This portable electronic device is an index finger of the hand holding the device body 1 (for example, the left hand HL) when the user holds both side portions 4 and 5 of the device body 1 with both hands. Of the fingerprint detecting sensor 51 provided at a position where the front end of the side surface of the lower surface portion 3 of the device body 1 is close to the rear surface portion 7.
In other words, since the fingerprint detection sensor 51 is provided at a position where the tip of the index finger of the hand (for example, the left hand HL) holding the device body 1 naturally touches, the user holds the device body 1 by hand. In this state, the fingerprint of the fingertip can be detected without difficulty in a reliable manner.

In this portable electronic device, when the user holds both side portions 4 and 5 of the device body 1 with both hands and uses the device, the fingertip of one hand (for example, the left hand HL) is the device. A fingerprint detection sensor 51 provided at a position on the lower surface 3 of the main body 1 that is close to one side surface 4 and close to the rear surface 7.
It is possible to detect the fingerprint of the fingertip without fail by naturally touching the fingertip and operate the power switch 41 provided on the other side portion (for example, the other side end portion of the rear surface portion 7) of the device body with the other hand. From the operation of personal authentication by detecting a fingerprint while the person holding the device body 1 to the power switch 4
The operability is very high because it can be performed by naturally shifting to the operation of 1.

In particular, when the user holds one side (left side) of the device main body 1 with his left hand and uses the other side (right side) with his right hand, the right hand suitable for operating the operating member is required. The power switch 41 provided on the other side of the device body 1 can be operated naturally without any further effort, and the tip of the index finger of the left hand in a free state without any further operation is one side surface part on the lower surface part 3 of the device body 1. Since the user touches the fingerprint detection sensor 41 provided at a position closer to the rear surface in succession to 4, the user can reliably and reliably detect the fingerprint of the hand while holding the device body 1.

In this portable electronic device, the bottom surface 5 of the recess 52 formed in the lower surface portion 3 of the device body 1 is recessed inwardly of the device body.
Since the fingerprint detection sensor 51 is provided in 2a, the fingerprint detection sensor 41 can be protected by avoiding an external object hitting the lower surface portion 3 of the device body 1 from directly hitting the fingerprint detection sensor 51, and the user's hand can be protected. The position of the fingerprint detection sensor 51 can be easily known by inserting the fingertip of the device into the recess 52 from the surface of the lower surface portion 3 of the device body 1, and a book-type cover 71 that covers the outside of the device body 1 is provided. In this case, by inserting a fingertip into the recess 42 from the outside of the device body 1, the fingerprint can be easily detected without being obstructed by the book-type cover 71. Further, as described above, by setting the shape and size of the recess 42 and inserting the fingertip into the recess 42, the main part of the fingerprint is positioned on the finger contact plate 51a of the fingerprint detection sensor 51, and fingerprint detection is performed reliably. be able to.

In this portable electronic device, when the book type cover 71 that covers the outside of the device body 1 is provided, the second cover portion of the book type cover 71 that covers the lower surface 3 of the device body 1 is provided. The fingerprint can be easily detected by separating 73 from the lower surface portion 3 with the fingertip and inserting the fingertip between the lower surface portion 3 of the device body 1 and the second cover portion 73.

The present invention is not limited to the above-mentioned embodiments, but can be modified in various ways. For example, although the present invention is applied to the pen-input type portable electronic device in the above-described embodiments, the present invention is not limited to this, and may be applied to a portable electronic device provided with an input keyboard on the upper surface of the device body. It is possible to obtain the same effect as that of the embodiment.

[0046]

According to the portable electronic device of the first aspect of the invention, since the fingerprint detection sensor is provided on the lower surface of the device body,
The space on the upper surface of the device body is not limited to the fingerprint detection sensor and can be used to the maximum for information input. Further, the space of the peripheral surface portion including the side surface portion of the device main body is not limited to the fingerprint detection sensor, and can be used to the maximum for providing the entrance / exit of the recording medium, the connector and the like.

According to the second aspect of the present invention, when the user holds both sides of the device body with both hands and uses it, the tip of the index finger of the hand holding the device body is the lower surface of the device body. Since it naturally hits the fingerprint detection sensor provided at a position closer to the back surface in succession to the one side surface, in other words, the fingerprint detection sensor is provided at the position where the tip of the index finger of the hand holding the device body naturally touches. As a result, the user can detect the fingerprint of the fingertip without difficulty while holding the device body.

According to the third aspect of the present invention, when the user holds and uses both side portions of the device body with both hands, the fingertip of one hand is one side face portion on the lower surface of the device body. The fingerprint detection sensor provided on the side of the one side surface of the device, which is provided near the rear surface of the device, naturally and reliably detects the fingerprint of the fingertip, and the other hand is provided on the other side of the device body. By operating the power switch, the user can naturally shift from the operation of personal authentication by detecting a fingerprint to the operation of the power switch while the user holds the device body, and the operability is very high.

According to the fourth aspect of the present invention, since the fingerprint detection sensor is provided on the bottom surface of the recessed portion formed in the lower surface of the device body toward the inside of the device body, an external object that hits the lower surface of the device body. The fingerprint detection sensor can be protected by avoiding direct contact with the fingerprint detection sensor, and the position of the fingerprint detection sensor can be easily known by inserting the fingertip of the user's hand into the recess from the surface of the lower surface of the device body. If a book-type cover that covers the outside of the device body is provided, you can easily detect fingerprints without being disturbed by the book-type cover by inserting your fingertip into the recess from the outside of the device body. be able to.

According to the fifth aspect of the present invention, by inserting the fingertip into the concave portion, the main part of the fingerprint can be positioned at the fingerprint detecting sensor and the fingerprint can be surely detected.

According to the sixth aspect of the present invention, when the book type cover for covering the outside of the device body is provided, the cover portion of the book type cover covering the lower surface portion of the device body is removed from the lower surface portion with a fingertip. The fingerprint can be easily detected by separating and inserting the fingertip into the lower surface of the lower surface of the device body.

[Brief description of drawings]

FIG. 1 is a diagram showing a device body according to an embodiment of the present invention.

FIG. 2 is a view showing a state in which a device body and a cover are combined in the same implementation.

FIG. 3 is a view showing a state in which a device body and a cover are combined in the same implementation.

FIG. 4 is a diagram showing a device body and a cover in the same embodiment.

FIG. 5 is a perspective view showing a state in which a cover is opened in the same embodiment.

FIG. 6 is a perspective view showing a state in which a band of the cover is opened in the same embodiment.

FIG. 7 is a perspective view showing a state in which the cover is closed in the same embodiment.

FIG. 8 is a perspective view showing a state in which the device body is used in the embodiment.

FIG. 9 is an enlarged bottom view showing the fingerprint detection sensor provided in the device body in the same embodiment.

FIG. 10 is an enlarged perspective view showing a fingerprint detection sensor provided in the device body in the same embodiment.

[Explanation of symbols]

1 ... Device body 2 ... Top part 3 ... Lower surface 4 ... Left side view (one side) 5 ... Right side view (other side view) 6 ... Front part 7 ... rear part 11 ... Upper case 12 ... Lower case 13 ... Middle frame 21 ... Display screen 22 ... Kaor Solky 23 ... Internet button 24 ... Email button 31 ... Card entrance 32 ... Card entrance 41 ... Power switch 33 ... AC adapter connector 34 ... USB connector 41 ... Power switch 42 ... Recess 51 ... Fingerprint detection sensor 51a ... finger pad 52 ... Recess 52a ... bottom surface 61 ... antenna 62 ... Recess 63 ... Axis 64 ... Stopper end face 71 ... Cover 72 ... First cover 73 ... second cover 74 ... Connection part 75 ... band 76 ... Stopper 77A ... Stopper 77B ... Stoppers 78 ... Pen retaining ring 79A ... Velvet fastener (mounting member) 79B ... Velvet fastener (mounting member) 81 ... pen

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) G06F 15/02 360 G06F 1/00 312Z 312Q A61B 5/10 322 F term (reference) 4C038 FF01 FF05 5B019 BA10 DB10 5B085 AE26

Claims (6)

[Claims] 1. An upper surface portion, a lower surface portion, one side surface portion, another side surface portion,
A device main body having a front surface and a rear surface and a display screen for displaying information on the upper surface, and a fingerprint provided on the lower surface of the device main body for detecting a fingerprint on the fingertip by touching the fingertip of the hand A portable electronic device comprising a detection sensor. 2. The portable electronic device according to claim 1, wherein the fingerprint detection sensor is provided at a portion of the lower surface of the device body which is continuous with the side surface and is close to the rear surface. . 3. The fingerprint detection sensor is provided at a portion of the lower surface of the device main body, which is continuous with one side surface and is close to the rear surface, and a power switch is provided on the other side of the device main body. The portable electronic device according to claim 2, wherein the portable electronic device is provided. 4. A bottom surface of the device body is formed with a recessed part that is recessed toward the inside of the device body across the bottom surface and side surfaces, and the fingerprint detection sensor is provided on the bottom surface of the recessed part. The portable electronic device according to any one of claims 1 to 3. 5. The portable type according to claim 4, wherein the recess has a size that sets a position of a fingertip of a hand so that a main part of a fingerprint is located at the fingerprint detection sensor. Electronics. 6. A cover having a cover portion that covers an upper surface portion of the device body and a cover portion that covers a lower surface portion is provided.
The cover portion of the cover that covers the lower surface of the device body is fixed to the lower surface of the device body except for a portion corresponding to the fingerprint detection sensor provided in the device body. The portable electronic device according to claim 1.