JP4880790B1 - Portable information processing device - Google Patents

Abstract

In an image display device using a semiconductor laser as a light source, a projection window and a projection optical system for projecting laser light to the outside are protected, and erroneous projection of the laser light is prevented.
An image display device includes a movable body provided with a projection window that guides laser light to the outside and a shutter member that opens and closes the projection window, and a housing case that houses the movable body so that the movable body can be taken in and out. The projection window is closed by the shutter member in a non-use state in which the movable body is housed in the housing case, while the projection window is opened in the use state in which the movable body is pulled out from the housing case.
[Selection] Figure 5

Description

The present invention relates to a portable information processing device including an image display device that uses a semiconductor laser as a light source.

  In recent years, a technique using a semiconductor laser as a light source of an image display device has attracted attention. This semiconductor laser has good color reproducibility, is capable of instantaneous lighting, has a long life, and is highly efficient in reducing power consumption compared to mercury lamps that have been used extensively in image display devices. There are various advantages such as the ability to reduce the size and the ease of downsizing.

  The advantage of such an image display device using a semiconductor laser is convenient when it is built in a portable information processing device. For example, a technique for incorporating an image display device using a semiconductor laser into a mobile phone terminal is known. (See Patent Document 1).

JP 2007-316393 A

  By the way, in the prior art described in Patent Document 1, the image display device built in the mobile phone terminal has, for example, a projection lens unit that protrudes laterally from the housing of the mobile phone terminal. Project light onto an external screen. In this type of portable information processing apparatus, it is desirable to provide the projection lens unit in advance in order to have a simple and compact configuration. However, if the projection lens unit remains exposed, the projection window There is a problem that the image quality of the display image is deteriorated due to dust adhering to the screen or damage to the projection optical system.

  Further, in an image display device using a semiconductor laser as a light source, if the laser beam enters the eyes, the user's eyes are burdened. Therefore, it is necessary to be careful in handling, but the switch is turned on unintentionally by the user. Laser light may be emitted, and it is desirable that such a situation can be prevented in advance.

The present invention has been devised in view of such problems of the prior art, and protects a projection window and a projection optical system for projecting laser light to the outside and prevents erroneous projection of the laser light. It is a main object of the present invention to provide a portable information processing apparatus including an image display device that can be used.

A portable information processing device according to the present invention is a portable information processing device in which an image display device that projects laser light emitted from a light source onto an external screen is housed and fixed in a drive bay formed in the device body. The image display device includes a first unit provided with a projection window that guides the laser light to the outside and a shutter member that opens and closes the projection window, and a second unit that rotatably supports the first unit. And a housing case that accommodates the movable body so that the movable body can be taken in and out , and the shutter member performs an opening / closing operation in accordance with the taking-in / out operation of the movable body from the drive bay. in the unused state in which the movable body is stored in the drive bay, while the projection window by the shutter member is closed, at least the first unit is the When the movable body to the rotatable position is pulled out from the drive bay for two units, the projection window is characterized in that it is open.

As described above, according to the present invention, in the portable information processing apparatus in which the image display apparatus is accommodated and fixed in the drive bay formed in the apparatus main body, the projection window and the projection optical system for projecting the laser beam to the outside are protected, There is an excellent effect that it is possible to prevent erroneous projection of laser light.

1 is a perspective view of a portable information processing device 2 incorporating an image display device 1 according to a first embodiment. The partial perspective view which shows the drive bay periphery of the portable information processing apparatus 2 which concerns on 1st Embodiment. Schematic configuration diagram of an optical engine unit 15 built in the optical engine unit 13 according to the first embodiment. The perspective view which shows the non-use state of the image display apparatus 1 which concerns on 1st Embodiment. The perspective view which shows the use condition of the image display apparatus 1 which concerns on 1st Embodiment. The partial perspective view which shows the detail of the shutter member 72 periphery in the image display apparatus 1 of the use condition which concerns on 1st Embodiment. The fragmentary perspective view which shows the detail of the shutter member 72 periphery in the image display apparatus 1 at the time of the transition from the use state which concerns on 1st Embodiment to a non-use state The perspective view which shows the image display apparatus 1 of the non-use state concerning 2nd Embodiment. The perspective view which shows the time of the transition from the use state of the image display apparatus 1 which concerns on 2nd Embodiment to a non-use state. The perspective view which shows the image display apparatus 1 of the use condition which concerns on 2nd Embodiment.

A first invention made to solve the above problems is portable information in which an image display device that projects laser light emitted from a light source onto an external screen is housed and fixed in a drive bay formed in the device body. A processing device , wherein the image display device rotatably supports a first unit provided with a projection window for guiding the laser light to the outside and a shutter member for opening and closing the projection window. A movable body configured with a second unit, and a housing case that accommodates the movable body so that the movable body can be taken in and out , and the shutter member opens and closes when the movable body is taken in and out of the drive bay. It is intended to perform, in the unused state in which the movable body is stored in the drive bay, while the projection window by the shutter member is closed, at least the first Unit when the movable body to pivotal position relative to the second unit is pulled out from the drive bay, a structure in which the projection window is opened.

According to this, since the projection window is closed by the shutter member in the non-use state, and the projection window is opened in the use state, the projection window and the projection optical system for projecting the laser beam to the outside are protected. At the same time, it is possible to prevent erroneous projection of the laser light.

The second invention relates to the first invention, wherein the movable body is provided with a biasing member that biases the shutter member in the opening direction, and the movable case is accommodated in the housing case. In this case, a pressing member that displaces the shutter member in the closing direction by pressing the shutter member against the urging force of the urging member is provided.

  According to this, the shutter member can be opened and closed only by performing the moving operation of the movable body without requiring special power to open and close the shutter member.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

<First Embodiment>

  FIG. 1 is a perspective view of a portable information processing device 2 incorporating the image display device 1 according to the first embodiment, and FIG. 2 is a partial perspective view showing the periphery of a drive bay of the portable information processing device 2.

  As shown in FIG. 1, the portable information processing device 2 includes a main body 3 in which a control board (not shown) on which a CPU, a memory, and the like are mounted, and a display unit 4 having a liquid crystal panel. The body part 3 and the display part 4 are connected by a hinge part 5 so that the body part 3 and the display part 4 are overlapped to enhance portability.

  A keyboard 6 and a touch pad 7 are provided on the upper surface 8 a of the housing 8 of the main body 3. In addition, on the back side of the keyboard 6 in the housing 8 of the main body 3, there is formed a storage space in which a peripheral device such as an optical disk device is replaceably stored, so-called drive bay 9 (see FIG. 2). The image display device 1 is attached to the drive bay 9.

  The image display device 1 includes a storage case 11 and a movable body 12 provided so as to be able to be taken in and out of the storage case 11. The movable body 12 includes an optical engine unit (first unit) 13 in which optical components for projecting laser light onto the screen S are accommodated, and a substrate for controlling the optical components in the optical engine unit 13. It is comprised with the control unit (2nd unit) 14 accommodated.

  FIG. 3 is a schematic configuration diagram of the optical engine unit 15 incorporated in the optical engine unit 13. The optical engine unit 15 includes a green laser light source device 22 that outputs green laser light, a red laser light source device 23 that outputs red laser light, a blue laser light source device 24 that outputs blue laser light, and a video signal. The liquid crystal reflective spatial light modulator 25 that modulates the laser light from each of the laser light source devices 22 to 24 and the laser light from each of the laser light source devices 22 to 24 are reflected and irradiated to the spatial light modulator 25. A polarizing beam splitter 26 that transmits the modulated laser light emitted from the spatial light modulator 25, a relay optical system 27 that guides the laser light emitted from each of the laser light source devices 22 to 24 to the polarizing beam splitter 26, and a polarized beam And a projection optical system 28 including a projection lens that projects the modulated laser light transmitted through the splitter 26 onto the screen S.

  The optical engine unit 15 displays a color image by a so-called field sequential method, and laser beams of each color are sequentially output from the laser light source devices 22 to 24 in a time-sharing manner, and an image by the laser beam of each color is visually displayed. It is recognized as a color image by the afterimage effect.

  The relay optical system 27 includes collimator lenses 31 to 33 that convert the laser beams of the respective colors emitted from the laser light source devices 22 to 24 into parallel beams, and the laser beams of the respective colors that have passed through the collimator lenses 31 to 33 in a predetermined direction. First and second dichroic mirrors 34 and 35 guided to, a diffusion plate 36 for diffusing the laser light guided by the dichroic mirrors 34 and 35, and a field lens for converting the laser light that has passed through the diffusion plate 36 into a convergent laser 37.

  Assuming that the side from which the laser light is emitted from the projection optical system 28 toward the screen S is the front side, the blue laser light is emitted backward from the blue laser light source device 24, and green with respect to the optical axis of the blue laser light. The green laser light and the red laser light are emitted from the green laser light source device 22 and the red laser light source device 23 so that the optical axes of the laser light and the red laser light are orthogonal to each other. , And green laser light are guided to the same optical path by the two dichroic mirrors 34 and 35. That is, the blue laser light and the green laser light are guided to the same optical path by the first dichroic mirror 34, and the blue laser light, the green laser light, and the red laser light are guided to the same optical path by the second dichroic mirror 35.

  The first and second dichroic mirrors 34 and 35 are formed with films for transmitting and reflecting laser light of a predetermined wavelength on the surface, and the first dichroic mirror 34 transmits blue laser light. And reflects the green laser light. The second dichroic mirror 35 transmits red laser light and reflects blue laser light and green laser light.

  The green laser light source device 22 is attached to an attachment plate 42 formed on the inner housing 41 in a state of protruding toward the side. The mounting plate 42 is provided in a state of protruding in a direction perpendicular to the side wall 44 from a corner where the front wall 43 and the side wall 44, which are respectively positioned in front and side of the accommodation space of the relay optical system 27, intersect. ing. The red laser light source device 23 is attached to the outer surface side of the side wall 44 while being held by the holder 45. The blue laser light source device 24 is attached to the outer surface side of the front wall portion 43 while being held by the holder 46.

  The red laser light source device 23 and the blue laser light source device 24 are configured by a so-called CAN package, and the optical axis is positioned on the central axis of the can-shaped exterior portion with the laser chip that outputs the laser light supported by the stem. The laser beam is emitted from a glass window provided in the opening of the exterior part. The red laser light source device 23 and the blue laser light source device 24 are fixed to the holders 45 and 46 by, for example, press-fitting into the mounting holes 47 and 48 formed in the holders 45 and 46. The heat generated by the laser chips of the blue laser light source device 24 and the red laser light source device 23 is transmitted to the internal housing 41 via the holders 45 and 46 to be dissipated, and each of the holders 45 and 46 conducts heat such as aluminum or copper. It is made of a high-rate material.

  The red laser beam has a wavelength of 640 nm, but may be any wavelength as long as it can be recognized as at least red. Further, the blue laser light has a wavelength of 450 nm, but may be any wavelength that can be recognized as at least blue. For example, a laser beam having a wavelength region in which the peak wavelength is in the range of 435 to 480 nm may be used.

  The green laser light source device 22 includes a semiconductor laser 51 that outputs excitation laser light, a FAC (Fast-Axis Collimator) lens 52 that is a condensing lens that condenses the excitation laser light output from the semiconductor laser 51, and a rod. A lens 53, a solid-state laser element 54 that outputs a basic laser beam (infrared laser beam) when excited by an excitation laser beam, and converts a wavelength of the basic laser beam to output a half-wavelength laser beam (green laser beam) A wavelength conversion element 55, a concave mirror 56 that forms a resonator together with the solid-state laser element 54, a glass cover 57 that prevents leakage of excitation laser light and fundamental wavelength laser light, and a base 58 that supports each part, And a cover body 59 that covers each part.

  The laser chip of the semiconductor laser 51 outputs excitation laser light having a wavelength of 808 nm. The FAC lens 52 reduces the spread of the first axis of the laser beam (the direction perpendicular to the optical axis direction and along the drawing sheet). The rod lens 53 reduces the spread of the slow axis of laser light (in the direction perpendicular to the drawing sheet).

The solid-state laser element 54 is a so-called solid-state laser crystal, and is excited by excitation laser light having a wavelength of 808 nm that has passed through the rod lens 53 to output fundamental wavelength laser light (infrared laser light) having a wavelength of 1064 nm. This solid-state laser element 54 is obtained by doping an inorganic optically active substance (crystal) made of Y (yttrium) VO ₄ (vanadate) with Nd (neodymium), and more specifically, YVO _{4 as} a base material. The Y is doped by substitution with Nd ⁺³ which is an element that emits fluorescence.

  The wavelength conversion element 55 is a so-called SHG (Second Harmonics Generation) element, which converts the wavelength of a fundamental wavelength laser beam (infrared laser beam) with a wavelength of 1064 nm output from the solid-state laser element 54 to a half-wavelength laser with a wavelength of 532 nm. Light (green laser light) is generated.

  In the wavelength conversion element 55, a part of the fundamental wavelength laser light having a wavelength of 1064 nm incident from the solid-state laser element 54 is converted into a half-wavelength laser light having a wavelength of 532 nm, and the fundamental wavelength of 1064 nm that has passed through the wavelength conversion element 55 without being converted is converted. The wavelength laser beam is reflected by the concave mirror 56 and is incident on the wavelength conversion element 55 again, and is converted into a half-wavelength laser beam having a wavelength of 532 nm. The half-wavelength laser light having a wavelength of 532 nm is reflected by the wavelength conversion element 55 and emitted from the wavelength conversion element 55. The laser light output from the green laser light source device 22 may be any laser light that can be finally recognized as green. For example, it is preferable to output laser light in a wavelength region in which the peak wavelength is in the range of 500 nm to 560 nm.

  The glass cover 57 is formed with a film that does not transmit the laser beam for excitation having a wavelength of 808 nm and the fundamental wavelength laser beam having a wavelength of 1064 nm to the outside.

  The green laser light source device 22 is fixed by attaching a base 58 to a mounting plate 42 of the internal housing 41, and a required width (for example, 0) between the green laser light source device 22 and the side wall 44 of the internal housing 41. .5 mm or less) is formed. This makes it difficult for the heat of the green laser light source device 22 to be transmitted to the red laser light source device 23, suppresses the temperature rise of the red laser light source device 23, and allows the red laser light source device 23 with poor temperature characteristics to operate stably. Can do. Further, in order to secure a required optical axis adjustment allowance (for example, about 0.3 mm) of the red laser light source device 23, a required width (for example, 0.3 mm or more) is provided between the green laser light source device 22 and the red laser light source device 23. ) Is provided.

  In the internal casing 41, the green laser light source device 22 and other components constituting the optical engine unit 21 (spatial light modulator 25, polarization beam splitter 26, relay optical system 27, projection optical system 28, etc.) ) Is supported. The inner casing 41 is housed in the casing of the optical engine unit 13 and functions as a radiator that dissipates heat generated by the laser light source devices 22 to 24, and is formed of a material having high thermal conductivity such as aluminum or copper. Has been.

  4 is a perspective view showing a non-use state of the image display device 1 (that is, a state where the movable body 12 is stored in the housing case 11), and FIG. 5 is a use state of the image display device 1 (ie, the movable body 12). FIG. 6 is a perspective view showing a state in which is pulled out from the housing case 11.

  The drive bay 9 which is a storage space for the image display device 1 is open to the side surface of the housing 8 of the portable information processing device 2 as shown in FIG. The movable body 12 is taken in and out in a direction substantially orthogonal to the side surface of the housing 8. The storage case 11 of the image display device 1 is fixed in the housing 8 (drive bay 9) of the portable information processing device 2. As shown in FIG. 1 above, the portable information processing device 2 is arranged so that its side faces the screen S, so that the projection window 71 provided in the optical engine unit 13 can be placed on the screen S. Can be directly opposed.

  In the unused image display device 1, as shown in FIG. 4, the optical engine unit 13 and the control unit 14 are stored in the housing case 11 (that is, the drive bay 9). On the other hand, in the image display device 1 in the used state, as shown in FIG. 5, a part of the optical engine unit 13 and the control unit 14 is pulled out from the housing case 11 (that is, the drive bay 9).

  Each housing of the optical engine unit 13 and the control unit 14 constituting the movable body 12 has a flat box shape with a short dimension in the height direction. Sliders 61 that slide along guide rails (see the right guide rail 82 in FIG. 6) provided in the housing case 11 on both side edges of the housings of the optical engine unit 13 and the control unit 14 are not shown here. 62, the movable body 12 is moved in and out of the housing case 11 in the front-rear direction as indicated by an arrow A by a push-pull operation by the user.

  Further, the optical engine unit 13 and the control unit 14 are connected via a hinge portion 63, and in the use state shown in FIG. 5, the control unit 14 is supported by the guide rails of the housing case 11, while the optical engine. The unit 13 is completely removed from the housing case 11 and can rotate the optical engine unit 13 in the vertical direction as indicated by an arrow B. Also, as indicated by an arrow C, the front and rear direction, that is, the movable body 12 can be moved. The optical engine unit 13 can be rotated around the axis in the loading / unloading direction. Thereby, the projection direction (projection angle etc.) of the laser beam from the optical engine unit 13 can be adjusted and appropriately projected onto the screen.

  Further, an operation unit 65 is provided on the upper surface of the control unit 14, and operation buttons for performing respective operations of power on / off, luminance switching, and keystone correction are arranged on the operation unit 65. In addition, a latch lock (not shown) is provided in the storage case 11 in order to hold the movable body 12 in the storage position. The movable body 12 is urged in the pulling direction by a spring (not shown), and when the latch lock is released by a user operation, at least a part of the optical engine unit 13 is pushed out from the housing case 11. Thereafter, the user can manually put the movable body 12 in and out of the storage case 11.

  FIG. 6 is a partial perspective view showing details of the periphery of the shutter member 72 in the image display device 1 in use, and FIG. 7 shows details of the periphery of the shutter member 72 in the image display device 1 at the time of transition from the use state to the non-use state. FIG.

  As shown in FIG. 5 described above, the projection window 71 is disposed at the end of the optical engine unit 13 opposite to the hinge portion 63. The optical engine unit 13 is provided with a shutter member 72 that opens and closes the projection window 71.

  As shown in FIG. 6, the shutter member 72 includes a side wall portion 76 that is rotatably supported by a rotation shaft 75 that protrudes to the right from the housing of the optical engine unit 13, and an upper surface of the side wall portion 76. An upper wall 77 that is continuous with the edge and covers the upper side of the projection window 71 in the closed position (see FIG. 4), and a front wall that is continuous with the front edge of the upper wall 77 and covers the front of the projection window 71 in the closed position. It has the part 78 and the protrusion wall part 79 which continues to the lower edge of the side wall part 76, and protrudes in a horizontal direction outer side in the closed position. In addition, the shutter member 72 is a tension spring (with an end connected to the rear end of the projecting wall 79 and a spring support 80 provided at the front end of the side of the casing of the optical engine unit 13). An urging member 85 is provided. By this tension spring 85, the shutter member 72 is constantly urged in a direction to rotate about the rotation shaft 75 toward the open position shown in FIG. 6.

  On the other hand, when the optical engine unit 13 is stored in the housing case 11, the optical engine unit 13 is pushed in the direction of arrow D in FIG. The upper part of the front end 81a of the right side frame (pressing member) 81 having a substantially U-shaped cross section constituting the 13 housings abuts. When the optical engine unit 13 is further pushed in from the contact state, the shutter member 72 is closed by the right side frame 81 against the urging force of the tension spring 85 (see FIG. 4). ) It is pressed so as to turn to the side. After that, the upper surface 79a of the protruding wall portion 79 is guided so as to be in sliding contact with the lower surface of the upper wall 82a of the right guide rail 82 having a substantially U-shaped cross section, so that the shutter member 72 finally becomes as shown in FIG. Rotate to the closed position shown in.

  The shutter member 72 may be configured to open the projection window 71 at least when the optical engine unit 13 is pulled out from the housing case 11 to a position where it can be used (rotated with respect to the control unit 14).

  With such a configuration, in the image display device 1, the laser light that has passed through the projection optical system 28 (see FIG. 3) of the optical engine unit 15 is projected from the projection window 71 when the shutter member 72 is opened, while the shutter member Blocked when 72 is closed.

  In the image display apparatus 1, the projection window 71 is closed by the shutter member 72 in the non-use state shown in FIG. 4, while the projection window 71 is opened in the use state shown in FIG. 5. The projection window 71 and the projection optical system 28 that project light to the outside can be protected. Such an opening / closing structure of the projection window by the shutter member 72 is particularly suitable for the image display device 1 accommodated in the drive bay 9. Further, even when laser light is emitted from the projection window 71 unintentionally (that is, in a state where the optical engine unit 13 is not pulled out from the housing case 11) due to a malfunction of the image display device 1 or a user's erroneous operation. It is possible to prevent erroneous projection by blocking by the shutter member 72.

  Further, since the shutter member 72 is configured to open and close in accordance with the insertion / removal operation of the optical engine unit 13 with respect to the housing case 11, the opening / closing operation can be reliably performed. In addition, since the shutter member 72 is opened by the urging force of the tension spring 85 and is closed by pressing the right side frame 81, the user needs special power to open and close the shutter member 72. The shutter member can be opened and closed simply by performing the moving operation of the movable body without using the operating force for moving the optical engine unit 13 as a driving force.

  In addition, since the storage case 11 is configured to be attached to the drive bay 9 formed in the portable information processing device 2, the storage case 11 can be easily attached and the image display device 1 can be removed from the storage case in the attached state. It can be easily taken in and out, and the convenience of the portable information processing apparatus can be enhanced.

  Various changes can be made to the opening / closing structure of the projection window 71 by the shutter member 72. In the next second embodiment, a modified example of the configuration of the shutter member 72 will be described.

<Second Embodiment>

  FIG. 8 is a perspective view showing the image display device 1 in a non-use state according to the second embodiment, and FIG. 9 is a perspective view showing the transition of the image display device 1 from the use state to the non-use state. 10 is a perspective view showing the image display device 1 in a used state. In FIG. 8 to FIG. 10, the same components as those in the first embodiment are denoted by the same reference numerals. The second embodiment is the same as the case of the first embodiment described above except for the matters specifically mentioned below, and detailed description thereof is omitted.

  As shown in FIGS. 8 to 10, the shutter member 72 is a flat member that is disposed inside the front frame 91 that constitutes the front portion of the housing of the optical engine unit 13 and extends in the left-right direction. The shutter member 72 is provided so as to be movable in the left-right direction, so that the shutter member 72 can freely appear and disappear from an opening 91 a of the front frame 91 provided on the side of the projection window 71.

  As shown in FIG. 9, in the optical engine unit 13, a first rack 92 provided on the rear end side (left end side) of the shutter member 72 so as to be slidable in the left-right direction along the inner surface of the front frame 91, A pinion 93 that meshes with the rack 92 is provided. The pinion 93 is exposed from the left side of the housing of the optical engine unit 13 and meshes with a second rack 94 that is fixed to the housing case 11 and extends in the front-rear direction.

  With such a configuration, in the image display device 1, when the user pulls out the optical engine unit 13 in the direction of arrow F from the unused storage case 11 shown in FIG. 8, the pinion 93 shown in FIG. By moving relative to 94, it rotates in the direction of arrow E in FIG. By the rotation of the pinion 93, the first rack 92 slides leftward together with the shutter member 72, and finally the projection window 71 is opened as shown in FIG. On the other hand, when the user pushes the optical engine unit 13 into the housing case 11, the projection window 71 is closed as shown in FIG.

  Although the present invention has been described based on specific embodiments, these embodiments are merely examples, and the present invention is not limited to these embodiments. It should be noted that all the components of the image display device according to the present invention shown in the above-described embodiments are not necessarily essential, and can be appropriately selected as long as they do not depart from the scope of the present invention.

  The image display apparatus according to the present invention and the portable information processing apparatus including the image display apparatus can protect the projection window and the projection optical system for projecting the laser beam to the outside, and can prevent erroneous projection of the laser beam. The present invention is useful as an image display apparatus using a semiconductor laser as a light source and a portable information processing apparatus including the image display apparatus.

DESCRIPTION OF SYMBOLS 1 Image display apparatus 2 Information processing apparatus 9 Drive bay 11 Storage case 12 Movable body 13 Optical engine unit (1st unit)
14 Control unit (second unit)
15 Optical Engine 28 Projection Optical System 71 Projection Window 72 Shutter Member 81 Right Side Frame (Pressing Member)
82 Right guide rail 85 Tension spring (biasing member)

Claims (2)

A portable information processing device in which an image display device that projects laser light emitted from a light source onto an external screen is housed and fixed in a drive bay formed in the device body ,
The image display device includes:
A movable body composed of a first unit provided with a projection window for guiding the laser beam to the outside and a shutter member for opening and closing the projection window, and a second unit for rotatably supporting the first unit ; ,
A storage case for storing the movable body in a removable manner ;
With
The shutter member performs an opening / closing operation in accordance with an operation of taking in and out the movable body from the drive bay,
In a non-use state in which the movable body is accommodated in the drive bay , the projection window is closed by the shutter member, while at least the first unit can be rotated with respect to the second unit. The portable information processing apparatus , wherein the projection window is opened when the movable body is pulled out from the drive bay . The movable body is provided with a biasing member that biases the shutter member in the opening direction.
The housing case is provided with a pressing member that displaces the shutter member in the closing direction by pressing the shutter member against the biasing force of the biasing member when the movable body is stored. The portable information processing apparatus according to claim 1 .

Images