US20190260863A1 - Information processing terminal - Google Patents

Information processing terminal Download PDF

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Publication number
US20190260863A1
US20190260863A1 US16/327,971 US201716327971A US2019260863A1 US 20190260863 A1 US20190260863 A1 US 20190260863A1 US 201716327971 A US201716327971 A US 201716327971A US 2019260863 A1 US2019260863 A1 US 2019260863A1
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United States
Prior art keywords
camera
information processing
processing terminal
unit
image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US16/327,971
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English (en)
Inventor
Takashi Kinouchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xleap Inc
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Xleap Inc
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Assigned to XLEAP, INC. reassignment XLEAP, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KINOUCHI, TAKASHI
Publication of US20190260863A1 publication Critical patent/US20190260863A1/en
Abandoned legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/58—Means for changing the camera field of view without moving the camera body, e.g. nutating or panning of optics or image sensors
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/04—Bodies collapsible, foldable or extensible, e.g. book type
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0272—Details of the structure or mounting of specific components for a projector or beamer module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/53—Constructional details of electronic viewfinders, e.g. rotatable or detachable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/021—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts using combined folding and rotation motions
    • H04M1/0212—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts using combined folding and rotation motions with a two degrees of freedom mechanism, i.e. folding around a first axis and rotating around a second axis perpendicular to the first
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/20—Details of telephonic subscriber devices including a rotatable camera

Definitions

  • the present invention relates to an information processing terminal.
  • a camera-equipped mobile terminal such as a smartphone or the like to be separately equipped with both a rear camera (a camera for photographing other people), which is directed to a side of the mobile terminal at which a rear surface of a terminal display unit is provided, and a front camera (a camera for self photography), which is directed to a side of the mobile terminal at which a display surface is provided.
  • a rear camera a camera for photographing other people
  • a front camera a camera for self photography
  • the camera viewpoint image there is demand for performing self photography with a high-performance camera while viewing an image that will actually be captured by the camera on a display unit (below referred to as “the camera viewpoint image”).
  • Patent Document 1 discloses a technology in which an image sensor unit is rotated by a moving mechanism in accordance with selection of a photography mode, and a filter and lens to be used are automatically switched in accordance with the rotation.
  • Patent Document 1 Japanese Unexamined Patent Application, Publication No. 2008-131555
  • an object of the present invention is to provide a mobile information terminal that allows a high-performance camera to be directed in any arbitrary direction relative to a terminal body and that allows photography to be performed in free positions while allowing viewing of a camera viewpoint image.
  • an aspect of an information processing terminal of the present invention includes:
  • an image capture unit that captures an image of a subject
  • a body unit at a predetermined surface of which a display unit is disposed, the display unit displaying a captured image captured by the image capture unit that includes the subject
  • a coupling unit that directly or indirectly couples the image capture unit relatively rotatably to the body unit via a plurality of rotation axes, the plurality of rotation axes including a first rotation axis for changing an angle between an optical axis direction of the image capture unit and a normal direction of the display unit, and a second rotation axis in a direction different from a direction of the first rotation axis
  • the body unit includes an accommodation unit that accommodates at least part of the image capture unit by rotating the image capture unit connected to the coupling unit.
  • the coupling unit may directly or indirectly couple the image capture unit relatively rotatably to the body unit, even in a case in which the information processing terminal may self-supportingly stand by way of a stand that supports the body unit.
  • the body unit may include the stand.
  • the coupling unit or the body unit may include a first detection function that detects a predetermined detection target.
  • the first detection function may include a function that may detect acceleration.
  • the coupling unit may include the first detection function that may detect a predetermined detection target,
  • the body unit may include a second detection function that may detect a predetermined detection target, the first detection function may specify a rotation angle around the second rotation axis, and the second detection function may specify a rotation angle around the first rotation axis.
  • a mobile information terminal may be provided that allows photography in free positions while allowing viewing of a camera viewpoint image.
  • FIG. 1A , FIG. 1B and FIG. 1C are views depicting exterior structures of an embodiment of an information processing terminal according to the present invention.
  • FIG. 2A , FIG. 2B and FIG. 2C are views depicting exterior structures of the information processing terminal in FIG. 1A to FIG. 1C .
  • FIG. 3A , FIG. 3B and FIG. 3C are views depicting states in which a coupling unit of the information processing terminal in FIG. 1A to FIG. 1C is rotated.
  • FIG. 4A , FIG. 4B and FIG. 4C are views depicting states in which a stand of the information processing terminal in FIG. 1A to FIG. 1C is rotated.
  • FIG. 5A and FIG. 5B are views depicting a state in which the information processing terminal in FIG. 1A to FIG. 1C is used standing on a table.
  • FIG. 6A , FIG. 6B and FIG. 6C are views depicting exterior structures of an embodiment of the information processing terminal according to the present invention, which embodiment is different from FIG. 1A to FIG. 1C , in which a coupling unit is rotated.
  • FIG. 7 is a view depicting a state in which the information processing terminal in FIG. 6A to FIG. 6C is used standing on a table.
  • FIG. 8 is a view depicting a state of use, on a table, of an embodiment of the information processing terminal according to the present invention, which embodiment is different from FIG. 1A to FIG. 1C and FIG. 6A to FIG. 6C .
  • FIG. 9A and FIG. 9B are views depicting a state which the information processing terminal in FIG. 1A to FIG. 1C is used standing on a table.
  • FIG. 10 is a view depicting a state in which the information processing terminal in FIG. 1A to FIG. 1C is used to perform time-lapse photography.
  • FIG. 11A and FIG. 11B are views depicting examples of angles through which a camera of the information processing terminal in FIG. 1A to FIG. 1C may be rotated.
  • FIG. 12A , FIG. 12B and FIG. 12C are views depicting a procedure for using the information processing terminal in FIG. 1A to FIG. 1C to capture an image in which only a background is erased.
  • FIG. 13D , FIG. 13E and FIG. 13F are views depicting a procedure for using the information processing terminal in FIG. 1A to FIG. 1C to capture an image in which a background is blurred.
  • FIG. 14A and FIG. 14B are views depicting a state in which an image for comparison with a previous photograph is captured using the information processing terminal in FIG. 1A to FIG. 1C .
  • FIG. 15 is a view depicting a state in which a laser pointer is used to operate the information processing terminal in FIG. 1A to FIG. 1C .
  • FIG. 16 is a view depicting a state in which a printed keyboard is used to operate the information processing terminal in FIG. 1A to FIG. 1C .
  • FIG. 17 is a view depicting an example of the printed keyboard.
  • FIG. 18 is a view depicting a state in which the information processing terminal in FIG. 1A to FIG. 1C is operated by finger gestures.
  • FIG. 19A and FIG. 19B are views depicting a state in which the information processing terminal in FIG. 1A to FIG. 1C is used as a car navigation system.
  • FIG. 20A and FIG. 20B are views depicting the state in which the information processing terminal in FIG. 1A to FIG. 1C is used as the car navigation system.
  • FIG. 21A and FIG. 21B are views depicting a state in which the information processing terminal in FIG. 1A to FIG. 1C is used to photograph an object of imaging at a suitable position.
  • FIG. 22A , FIG. 22B and FIG. 22C are views depicting a state in which the information processing terminal in FIG. 1A to FIG. 1C is used with the direction of the camera being kept horizontal.
  • FIG. 23 is a view depicting a state in which the information processing terminal in FIG. 1A to FIG. 1C is used to convert printed matter to text data.
  • FIG. 24 is a view depicting a state in which the information processing terminal in FIG. 1A to FIG. 1C is used to read products, product barcodes or the like.
  • FIG. 25 is a view depicting a state in which the information processing terminal in FIG. 1A to FIG. 1C is used to read a receipt.
  • FIG. 26 is a view depicting a state in which the information processing terminal in FIG. 1A to FIG. 1C is used for imaging while a product is being rotated.
  • FIG. 27 is a view depicting a state in which the information processing terminal in FIG. 1A to FIG. 1C is used for imaging while a product is being rotated.
  • FIG. 28 is a view depicting a state in which the information processing terminal in FIG. 1A to FIG. 1C is used to capture a panorama image.
  • FIG. 29A and FIG. 29B are views depicting a state in which the information processing terminal in FIG. 1A to FIG. 1C is used to perform a video chat.
  • FIG. 30 is a view depicting a state in which the information processing terminal in FIG. 1A to FIG. 1C is used to perform automatic photography.
  • FIG. 31 is a diagram showing a swivel cradle equipped with sensors.
  • FIG. 32A and FIG. 32B are views depicting exterior and interior structures of an embodiment of the information processing terminal according to the present invention, which structures are different from FIG. 2A to FIG. 2C and the like.
  • FIG. 33 is a block diagram depicting structures for implementing control of rotation in a case in which stepper motors in FIG. 32A and FIG. 32B are employed.
  • FIG. 1A , FIG. 1B and FIG. 1C are views depicting exterior structures of an embodiment of an information processing terminal 1 according to the present invention.
  • FIG. 1A is a front view of the information processing terminal 1 .
  • FIG. 1B is a top view of an information processing terminal 1 .
  • FIG. 1C is a left side view of the information processing terminal 1 .
  • the information processing terminal 1 is equipped with at least display functions and digital camera functions.
  • the information processing terminal 1 is structured with a body unit 11 and a coupling unit 12 , which are connected to be rotatable relative to one another.
  • the body unit 11 is formed in a short column shape with a planar rectangular shape.
  • the body unit 11 is a first casing in which various circuit boards and the like are incorporated.
  • a display unit 13 constituted with a touch panel display or the like is disposed in a predetermined surface 11 a (below referred to as the front surface 11 a ) of the body unit 11 .
  • FIG. 2A , FIG. 2B and FIG. 2C are views depicting exterior structures of the information processing terminal in FIG. 1A to FIG. 1C .
  • FIG. 2A is a rear view of the information processing terminal 1 .
  • FIG. 2B is a sectional view along line A-A in FIG. 2A .
  • FIG. 2C is a sectional view in which FIG. 2A is seen from above.
  • a rear surface 11 b of the body unit 11 is a surface at the opposite side of the body unit 11 from the front surface 11 a shown in FIG. 1A to FIG. 1C .
  • the coupling unit 12 is formed in a substantially planar rectangular shape, and is rotatably disposed at one of the short sides of the rear surface 11 b of the body unit 11 .
  • the coupling unit 12 includes a camera base part 12 - 1 and a camera orientation part 12 - 2 .
  • a circular camera 21 is disposed at a front face of the camera orientation part 12 - 2 (the face thereof at the side viewed in FIG. 2A ). That is, the coupling unit 12 is a second casing in which the camera 21 is incorporated.
  • the camera 21 is an image capture unit that captures images of subjects.
  • a recess width W is a width of a recess for the camera unit.
  • a rotation radius r 2 is the longest rotation radius from a pivot axis (center) of a second hinge. Therefore, a relationship between the recess width W and the rotation radius r 2 is expressed by the following expression (1).
  • the camera base part 12 - 1 pivot-supports the coupling unit 12 to be wholly rotatable relative to the body unit 11 about a pivot axis Z 1 . More specifically, the camera base part 12 - 1 is rotatable about the pivot axis Z 1 with end faces of an exterior column shape of the camera base part 12 - 1 sliding against the body unit 11 .
  • a pivot penetrates through both of end faces of the camera base part 12 - 1 .
  • a two-part pivot in which pivots are inserted toward one another through the two end faces is possible, and a cantilever pivot is also possible.
  • the camera orientation part 12 - 2 at which the camera 21 is mounted, is supported by a cantilever pivot to be rotatable relative to the camera base part 12 - 1 about a pivot axis Z 3 , which is arranged substantially orthogonally to the pivot axis Z 1 .
  • An arrangement direction of the camera 21 is substantially at 90° relative to the pivot axis Z 3 . That is, the camera 21 may be moved through solid angles relative to the body unit 11 by rotating independently about the two substantially orthogonal rotation axes, the pivot axis Z 1 and the pivot axis Z 3 .
  • the coupling unit 12 is a unit that directly or indirectly couples the camera 21 relatively rotatably to the body unit 11 by plural rotation axes, including the pivot axis Z 1 that changes an angle formed by an optical axis direction of the camera 21 and the normal direction of the display unit 13 and the pivot axis Z 3 that is in a different direction from the pivot axis Z 1 (a direction that is substantially orthogonal thereto in the present example).
  • the coupling unit 12 includes at least one movable part smaller in volume than the body unit 11 .
  • the camera base part 12 - 1 and the camera orientation part 12 - 2 are provided to serve as the movable part.
  • the camera 21 that is an image capture unit be disposed at a predetermined surface of one of the at least one movable part.
  • the camera 21 is disposed at the front surface of the camera orientation part 12 - 2 .
  • the angle between the direction of the pivot axis Z 1 and the direction of the pivot axis Z 3 is substantially 90°.
  • the information processing terminal 1 is further provided with a stand 14 such that the information processing terminal 1 may be disposed standing on a table or the like.
  • the stand 14 is pivot-supported to be rotatable relative to the body unit 11 about a pivot axis Z 2 . That is, the stand 14 is formed in a frame shape and, when rotated about the pivot axis Z 2 , self-supportingly stabilizes the information processing terminal 1 on a horizontal surface (see FIG. 5A and FIG. 5B , described below) by forming an arbitrary preferable angle with the body unit 11 .
  • the planar shape substantially in a squared “U” shape that is illustrated is an example. It will be clear that a planar substantially rounded “U” shape or the like is possible. If usage on a vertical surface, described below, is anticipated, a planar hook shape or the like is also possible.
  • the stand 14 is formed in the frame shape to encircle the coupling unit 12 , efficient use of space may be greatly improved compared to disposing the stand 14 and the coupling unit 12 at respectably separate locations, and an unnecessary increase in size of the casing of the information processing terminal 1 may be avoided. In addition, unnecessary division of internal circuit boards may be avoided. Center lines of both end faces of the coupling unit 12 and the stand 14 substantially coincide with the rotation axes thereof, as illustrated by line A-A.
  • the pivot axis Z 1 is the rotation center of the pivot connecting the body unit 11 with the coupling unit 12 .
  • a rotation range of the pivot axis Z 1 is substantially at least 180° from the rear surface 11 b , and is preferably more than 270°.
  • the pivot axis Z 2 is the rotation center of the pivot connecting the body unit 11 with the stand 14 .
  • the rotation range of the pivot axis Z 2 preferably reaches 180° from the rear surface 11 b .
  • appropriate rotation resistance is provided such that an arbitrary angle up to 90° from the rear surface 11 b may be maintained in opposition to a moment of weight of the information processing terminal 1 on a horizontal surface. Consequently, a user may dispose the information processing terminal 1 to be self-supportingly stabilized at a desired angular attitude on a horizontal surface.
  • a portion of the stand 14 may be provided that is offset to the side thereof at which the the pivot axis Z 2 is provided.
  • the rotation centers of the pivot axis Z 1 and pivot axis Z 2 may be made to coincide.
  • the pivot axis Z 3 is the rotation center of the pivot connecting the camera base part 12 - 1 with the camera orientation part 12 - 2 .
  • the pivot axis Z 3 is provided substantially orthogonally to the pivot axis Z 1 , and rotates in a substantially orthogonal plane about the pivot axis Z 1 .
  • the rotation range of the pivot axis Z 3 preferably reaches 180° to both left and right through the substantially orthogonal plane in which the pivot axis Z 3 rotates about the pivot axis Z 1 .
  • FIG. 3A to FIG. 3C are views depicting states in which the coupling unit of the information processing terminal in FIG. 1A to FIG. 1C is rotated.
  • FIG. 3A depicts a state in which the coupling unit 12 (more precisely, the camera base part 12 - 1 ) of the information processing terminal 1 in FIG. 1A to FIG. 1C has been rotated by 90° about the pivot axis Z 1 .
  • FIG. 3B depicts a state in which the coupling unit 12 (more precisely, the camera base part 12 - 1 ) has been rotated further from the state in FIG. 3A and has been rotated by 180° about the pivot axis Z 1 .
  • FIG. 3A depicts a state in which the coupling unit 12 (more precisely, the camera base part 12 - 1 ) of the information processing terminal 1 in FIG. 1A to FIG. 1C has been rotated by 90° about the pivot axis Z 1 .
  • FIG. 3B depicts a state in which the coupling unit 12 (more precisely,
  • a distance h 1 is the furthest distance from the rotation axis (center) of a first hinge to an upper side surface of the body unit 11 of the information processing terminal 1 (smartphone), a top surface of the information processing terminal 1 (the surface at which the display unit 13 is located) or a bottom surface of the information processing terminal 1 (a surface at which the display unit 13 is not located).
  • a distance h 2 is the distance from the rotation axis (center) of the first hinge to a rotational cross-section of a second hinge. The relationship between distance h 1 and distance h 2 is expressed by the following expression (2).
  • FIG. 4A to FIG. 4C are views depicting states in which the stand 14 of the information processing terminal 1 is rotated.
  • FIG. 4A depicts the same state as FIG. 3B described above, in which the stand 14 has not been rotated and is stowed in the body unit 11 .
  • FIG. 4B depicts a state in which the stand 14 has been rotated about the pivot axis Z 2 from the state in FIG. 4A , the stand 14 having been rotated by 180° about the pivot axis Z 2 .
  • the relationship between distance h 1 and distance h 2 is the same relationship as in expression (2).
  • the information processing terminal 1 may be attached to a wall KB by the stand 14 being put into the state that is turned 180° about the pivot axis Z 2 as illustrated in FIG. 4B , and a user hanging the stand 14 on a clip CL or the like at the wall KB.
  • the optical axis direction of the camera 21 a subject imaging direction
  • the normal direction of the display unit 13 a direction in which the user views the display unit 13
  • the optical axis direction of the camera 21 a subject imaging direction
  • the normal direction of the display unit 13 a direction in which the user views the display unit 13
  • a user may easily capture a photograph with themself as a subject, known as a selfie shot, while viewing the camera viewpoint image (an image showing themself).
  • the stand 14 is rotated relative to the body unit 11 by the pivot axis Z 2
  • the camera 21 (the coupling unit 12 ) is rotated relative to the display unit 13 (the body unit 11 ) by two axes, the pivot axis Z 1 and the pivot axis Z 3 . Therefore, when a user is taking a selfie shot or the like, the information processing terminal 1 may be hung on the wall KB and used as illustrated in FIG. 4C , or the information processing terminal 1 may be stood on a table and used as illustrated in FIG. 5A and FIG. 5B .
  • FIG. 5A and FIG. 5B are views depicting a state in which the information processing terminal 1 in FIG. 1A to FIG. 1C is used standing on a table.
  • FIG. 5A is a perspective view from a viewpoint viewing the front surface 11 a side of the information processing terminal 1 at which the display unit 13 is disposed.
  • FIG. 5B is a perspective view showing the state of use of the information processing terminal 1 of FIG. 1A to FIG. 1C on the table, viewing the rear surface 11 b side at which the display unit 13 is not disposed.
  • the stand 14 according to the embodiment is rotated by not more than 90° about the pivot axis Z 2 from the state in FIG. 4A .
  • Appropriate rotation resistance is provided to the pivot axis Z 2 such that an arbitrary angle up to 90° from the rear surface 11 b may be maintained in opposition to the moment of weight of the information processing terminal 1 on a horizontal surface. Consequently, a user may dispose the information processing terminal 1 to be self-supportingly stabilized at a desired angular attitude on the horizontal surface.
  • the user When a user is capturing an image of themself or the like with the information processing terminal 1 in FIG. 1A to FIG. 1C , the user stands the information processing terminal 1 on a table or the like in a state that is modified such that the body unit 11 and the stand 14 are opened up by a predetermined angle, as illustrated in FIG. 5A and FIG. 5B .
  • the camera 21 of the information processing terminal 1 may be directed at the subject by rotation of the pivot axis Z 1 and the pivot axis Z 3 .
  • the information processing terminal 1 may capture images without the body unit 11 having to be held in a hand.
  • the information processing terminal 1 may solve various problems, which are described later.
  • a user using a conventional smartphone may take a photograph of themself from a distance not more than the length of their arm by pressing a shutter button with their hand.
  • a limit on the angle of view Therefore, not all of people the user wishes to photograph together with themself (family, partner, friends or the like) may be in the angle of view, and it may not be possible to take a photograph of the whole of the user's body.
  • a method of using a selfie stick is available. With this method, the user may take a photograph from a distance that is more than the length of their arm. However, photography from a distance that is further by more than the length of the selfie stick is not possible.
  • a solution to this problem is to use the information processing terminal 1 in which the present invention is applied. That is, because the information processing terminal 1 in which the present invention is applied includes the stand 14 , the information processing terminal 1 may be set on a wall, a table or the like as illustrated in FIG. 4A to FIG. 5B and the like, and a selfie stick is unnecessary.
  • a photograph can only be captured by the user extending an arm and pressing a shutter button with their arm extended, the user is in an unnatural pose.
  • this unnaturalness may be slightly moderated but there is still some unnaturalness, and the user may not be able to adopt a pose they want to capture (for example, a pose employing both arms or the like).
  • a solution to this problem is to use the information processing terminal 1 in which the present invention is applied. That is, when the information processing terminal 1 in which the present invention is applied includes the stand 14 , a self-timer and a shutter remote control function, the information processing terminal 1 may be set on a wall, a table or the like as illustrated in FIG. 4A to FIG. 5B and the like, and a selfie stick is unnecessary.
  • Taking a selfie with a larger number of people is a group photograph rather than a selfie. If the user uses their own hand, even with a selfie stick, not everyone may be captured within the frame of the camera. In such cases, one person in the group may move out of the place and act as a photographer, but then the photographer cannot be in the group photograph. In a restaurant before a party or the like, a member of staff can often be asked to take a group photograph. However, having to make this request to a member of staff is troublesome.
  • a solution to this problem is to use the information processing terminal 1 in which the present invention is applied. That is, because the information processing terminal 1 in which the present invention is applied includes the stand 14 and the biaxial rotation mechanism of the camera, the information processing terminal 1 may be set on a wall, a table or the like as illustrated in FIG. 4A to FIG. 5B and the like, and the hand of a person other than the image subjects is not needed.
  • the information processing terminal 1 in which the present invention is applied includes the stand 14 and the biaxial rotation mechanism of the camera, the information processing terminal 1 may be set on a wall, a table or the like as illustrated in FIG. 4A to FIG. 5B and the like, and a tripod is unnecessary.
  • the stand 14 may be erected and the coupling unit 12 rotated by 180° or more, as illustrated in FIG. 9A and FIG. 9B .
  • an image may be captured in a state in which the information processing terminal 1 is set on a table, and a tripod is unnecessary. In such cases, the stand 14 does not necessarily have to be erected.
  • the information processing terminal 1 in which the present invention is applied includes the stand 14 and the rotation mechanism of the camera, the information processing terminal 1 may be set on a wall, a table or the like as illustrated in FIG. 4A to FIG. 5B and the like, and there is no need to hold the smartphone by hand.
  • the stand 14 may be erected and the coupling unit 12 rotated by 180° or more, as illustrated in FIG. 9A and FIG. 9B .
  • images may be captured in a state in which the information processing terminal 1 is set on a table, and the smartphone need not be held by hand. In such cases, the stand 14 does not necessarily have to be erected.
  • the information processing terminal 1 in which the present invention is applied includes the stand 14 and the biaxial rotation mechanism of the camera, the rear camera may be brought round to the front face by biaxial rotation as illustrated in FIG. 4A to FIG. 5B and the like and oriented to an arbitrary angle.
  • a front camera with a fixed angle is unnecessary.
  • the stand 14 may be erected and the coupling unit 12 rotated by 180° or more, as illustrated in FIG. 9A and FIG. 9B .
  • an image may be captured in a state in which the information processing terminal 1 is set on a table, and a front camera with a fixed angle is unnecessary. In such cases, the stand 14 does not necessarily have to be erected.
  • a solution to this problem is to use the information processing terminal 1 in which the present invention is applied. That is, when the information processing terminal 1 in which the present invention is applied is put into a state in which the coupling unit 12 and the stand 14 are rotated by 180°, a gap provided between the stand 14 and the coupling unit 12 may be utilized and the information processing terminal 1 may be suspended from a protruding member, pin-shaped member or the like on a flat surface. Thus, the information processing terminal 1 may be excellently employed hanging from a wall, and there is no need to provide a separate hook.
  • a front camera has:
  • a solution to this problem is to use the information processing terminal 1 in which the present invention is applied. That is, because the information processing terminal 1 in which the present invention is applied allows the camera 21 that is a high-performance camera to be directed in any arbitrary direction relative to the terminal body and allows photographing to be performed in a free position while allowing for the viewing of the camera viewpoint image, application software for taking selfies without viewing the display unit 13 is unnecessary.
  • a stand and a rotating camera are another solution, but respective pivots for rotation are required at the camera body, space must be reserved for these two pivots, and the casing of the body is larger.
  • the camera is often not directed at a subject even when the camera of the standing smartphone has been rotated.
  • This solution is often not applicable.
  • the number of rotation axes may be increased to allow the camera to be directed at subjects.
  • always having to direct the camera at a subject before imaging when capturing photographs may be troublesome in many cases.
  • a solution to this problem is to use the information processing terminal 1 in which the present invention is applied. That is, with the information processing terminal 1 in which the present invention is applied, because the pivot axes of both the stand 14 and the camera 21 may be utilized, the camera 21 may always be directed at subjects just by biaxial rotation as illustrated in FIG. 4A to FIG. 5B and the like. Thus, there is no need to increase the number of rotation axes.
  • a conventional information processing terminal in which a rear camera and a front display unit are fixed at the body, because the direction of the camera and the direction of the display unit are opposed, it is difficult to view the display unit while capturing high angle shots, in which images are captured from positions higher than the eyes, and low angle shots, in which images are captured from positions lower than the waist.
  • high angle shots in which images are captured from positions higher than the eyes
  • low angle shots in which images are captured from positions lower than the waist.
  • a high angle shot must be taken from above the crowd, but when the camera is directed at the subject, the display unit is directed upward and the camera viewpoint image may not be viewed during image capture.
  • the display unit is directed downward and the camera viewpoint image may not be viewed during image capture.
  • the camera may be rotated to set the direction of the camera and the direction of the display unit separately. Hence, the camera viewpoint image may be viewed during image capture.
  • the vertical orientation of the image may change and, if no particular measures are taken, the vertical orientation may be upside down or the like. If a direction in which the camera is rotated for high angle shots and low angle shots is fixed (the camera only rotates in the clockwise direction from a regular position, or the like), capturing images is more difficult. Therefore, it is preferable if the camera is rotatable in both directions.
  • a solution to this problem is to use the information processing terminal 1 in which the present invention is applied. That is, because the information processing terminal 1 in which the present invention is applied includes the stand 14 and the biaxial rotation mechanism of the camera 21 , the camera 21 may be oriented in any arbitrary direction up or down to the rear by biaxial rotation as illustrated in FIG. 4A to FIG. 5B and the like, and a rear camera with a fixed angle is unnecessary. It is preferable if an angle of view to be imaged (a wide view, a usual view, a narrow view or the like) can be automatically switched at a certain time when the camera 21 is being rotated.
  • the optical axis direction at a side at which a front camera is disposed is used more often for short distances to subjects. Therefore, this side is to be used for wide-angle photography, and the optical axis direction at a side at which a rear camera is disposed is to be used for usual or narrow-angle photography. Accordingly, it is preferable if the angle of view is automatically changed in accordance with the direction of the camera.
  • a shutter button, touch panel or the like When taking a selfie shot, a shutter button, touch panel or the like must be pressed to release the shutter. Thus, it may not be possible to hold a smartphone firmly, and the smartphone may become unstable and be dropped. As a solution to this problem, the shutter is released by timer-setting, gesture recognition, voice recognition or the like. However, it may be difficult to recognize a timing at which the shutter is released, response may be slow, and usage is difficult when trying to capture a moment in which, as an example, five people are jumping.
  • a solution to this problem is to use the information processing terminal 1 in which the present invention is applied. That is, because the information processing terminal 1 in which the present invention is applied includes a shutter remote control support function, when a selfie shot is to be taken as illustrated in FIG. 4A to FIG. 5B and the like, the shutter can be released without a press of a shutter button, touch panel or the like, and there is no need to hold the smartphone firmly.
  • the shutter remote control support function when, for example, ten people are to be imaged in a group shot, the information processing terminal 1 is placed on a table or the like, the camera 21 is rotated to be directed at the ten people, and the user moves away from the information processing terminal 1 . Hence, the display unit 13 appears small. Because it may be hard to see whether all the people are within the frame of the camera viewpoint image, their individual expressions cannot be seen and the like, it may be difficult to operate the shutter. Thus, there is a desire to capture images while viewing the camera viewpoint image by some method. A solution to this problem is to use the following technique.
  • a technique may be employed of equipping the information processing terminal 1 in which the present invention is applied with an image sharing function that enables transmission and control of the camera viewpoint image, by wire or wireless, to another information processing terminal such as a smartphone, a personal computer or the like.
  • the camera viewpoint image of the information processing terminal 1 may be shared with another information processing terminal, and a still image or video image may be captured from a position separated from information processing terminal 1 .
  • the information processing terminals may be directly connected to one another or, using an Internet circuit, the camera viewpoint image of the information processing terminal 1 located in a home may be shared with a personal computer in an office. Thus, an image of a pet left at home may be captured while viewing the image on the personal computer.
  • a composite panorama shot may be captured by moving the camera laterally.
  • this image must be captured while the smartphone, camera or the like is being laterally moved to be directed in various directions, and it is often not possible to composite the image neatly.
  • a solution to this problem is to use the information processing terminal 1 in which the present invention is applied. That is, in the information processing terminal 1 in which the present invention is applied, rotation of the camera 21 about the pivot axes Z 1 and pivot axis Z 3 may be electrified. Hence, the camera 21 may be panned as illustrated in FIG. 3A to FIG. 3C while the body stays still, and there is no need to laterally move the camera 21 .
  • a solution to this problem is to use the information processing terminal 1 in which the present invention is applied. That is, in the information processing terminal 1 in which the present invention is applied, the camera 21 directed at a person may perform high-level functions (for example, EXVISION gesture recognition), and a dedicated gesture recognition camera is unnecessary.
  • high-level functions for example, EXVISION gesture recognition
  • navigation software for walkers has been available for smartphones. However, particularly outdoors, it may not be easily understood which direction the user is facing in. Thus, the user may not understand or may require time to understand which direction to walk in. As a solution to this problem, navigation with augmented reality (AR) utilizing a camera is available.
  • AR augmented reality
  • a user interface In this navigation, a user interface superimposes arrows on an actual video image captured by the camera. Consequently, the navigation may be used immediately without time being required to verify the direction.
  • the smartphone body In order to capture the image with a camera that is fixed at an angle orthogonal to the rear surface of a body unit, the smartphone body must be continuously held perpendicular to the ground. At this angle, the display unit is hard to see and continuous holding is tiring.
  • Smartphone walking the behavior of using a smartphone while walking outside, has become a social nuisance. Because a user is concentrating on the screen, the user lacks awareness until they come near to a collision. These two problems may be solved with a rotating camera.
  • smartphone walking a video image from the rotated camera 21 may be displayed in a window in the display unit 13 , the presence of obstacles may be reported by sounds, images, vibrations and the like, and hazards may be avoided.
  • the camera when the camera is rotated to a vertical direction relative to the display screen, the above two problems may be solved.
  • the camera may move loosely and be unstable.
  • a solution to this problem is to use the information processing terminal 1 in which the present invention is applied. That is, in the information processing terminal 1 in which the present invention is applied, rotation of the camera 21 may be locked at a particular angle and, provided the body unit 11 is held stable, the camera 21 is stable.
  • driving recorders mounted in cars, bicycles and the like have spread rapidly.
  • the purpose of driving recorders is to, in the event of an accident, provide objective evidence about the accident by recording image data, global positioning system (GPS) data and the like.
  • GPS global positioning system
  • a smartphone may be used in place of a driving recorder by installing an application on the smartphone, but this has not become widespread.
  • a holder is used that fixes a smartphone or the like on the car's dashboard with a sucker, two-sided tape or the like, and the smartphone is secured such that the display unit is easy for a driver to see.
  • the optical axis direction of the camera of the smartphone is not directed to the vehicle front or rear, which it would be desirable to image, but only captures the dashboard.
  • the camera 21 may be directed to any arbitrary direction relative to the terminal body, and while a navigation map is being displayed, a portion of the screen may display the camera viewpoint image in a picture-in-picture mode.
  • the smartphone may be used for other purposes at the same time as being used as a driving recorder.
  • a dedicated driving recorder is unnecessary.
  • the information processing terminal 1 is placed in landscape orientation.
  • the camera 21 can be rotated about two axes, the information processing terminal 1 is compatible with a wide range of placing formats, such as placing in portrait orientation on a bicycle and so forth.
  • a solution to this problem is to use the information processing terminal 1 in which the present invention is applied. That is, in the information processing terminal 1 in which the present invention is applied, when deployment of a stereo camera is anticipated and the rotatable camera 21 is provided, the application of an additional function to the front camera is unnecessary.
  • the coupling unit 12 is structured by two movable parts, the camera base part 12 - 1 and the camera orientation part 12 - 2 , but the above embodiment is not particularly limiting. It is sufficient to include at least one movable part that is smaller in volume than the body unit 11 .
  • the camera 21 that is the image capture unit it is sufficient for the camera 21 that is the image capture unit to be disposed at a predetermined surface of one of the at least one movable part.
  • Devices with arbitrary functions may be mounted at arbitrary numbers of arbitrary types of the one or more movable parts (including the movable part at which the image capture unit is disposed).
  • FIG. 6A to FIG. 6C depict an embodiment of the information processing terminal of the present invention and show the states of rotating the coupling unit which is different from the coupling unit of embodiment in FIG. 1A to FIG. 1C .
  • the coupling unit 12 (more precisely, the camera base part 12 - 1 ) of the information processing terminal 1 in FIG. 1A to FIG. 1C is in a state that is rotated 180° about the pivot axis Z 1 .
  • the coupling unit 12 (more precisely, the camera orientation part 12 - 2 ) is in a state that is rotated 90° rightward about the pivot axis Z 3 (as viewed from the side of the body unit 11 at which the front surface 11 a is disposed) from the state in FIG. 6A .
  • the circular camera 21 is disposed substantially at the center of the front surface of the camera orientation part 12 - 2 (the surface at the side seen in FIG. 6B ).
  • the coupling unit 12 (more precisely, the camera orientation part 12 - 2 ) is in a state that has been rotated 90° leftward about the pivot axis Z 3 (as viewed from the side of the body unit 11 at which the front surface 11 a is disposed) from the state in FIG. 6A .
  • the circular projector 22 is disposed substantially at the center of the rear surface of the camera orientation part 12 - 2 (the surface at the side seen in FIG. 6C , which is the surface opposing the front surface).
  • the relationship between the distance h 1 and the distance h 2 is the same relationship as in expression (2).
  • the stand 14 is rotated relative to the body unit 11 by the pivot axis Z 2
  • the camera 21 (the coupling unit 12 ) is rotated relative to the display unit 13 (the body unit 11 ) by the two axes, the pivot axis Z 1 and the pivot axis Z 3 . Therefore, when a user is capturing a selfie shot or the like, the information processing terminal 1 may be stood on a table and used as illustrated in FIG. 7 .
  • FIG. 7 is a view depicting a state in which the information processing terminal 1 in FIG. 6A to FIG. 6C is used standing on a table.
  • the camera 21 is imaging a user U.
  • the image captured by the camera 21 which is to say a camera viewpoint image containing an image Ugh of the user U, is displayed at the display unit 13 .
  • the projector 22 is disposed at the camera orientation part 12 - 2 , in the rear surface that opposes the front surface in which the camera 21 is disposed. Accordingly, the projector 22 may project the image captured by the camera 21 , which is to say the camera viewpoint image containing an image Ug 2 of the user U, onto a screen Scr.
  • the camera viewpoint image may be viewed by the user U via the display unit 13 , and may be viewed by other people, who are not depicted in the drawing, via the screen Scr.
  • the images displayed at the display unit 13 and images projected onto the screen Scr by the projector 22 may be different.
  • the image of the user U (the camera viewpoint image from the camera 21 ) may be displayed at one of the display unit 13 and the screen Scr and an image of a communication partner may be displayed at the other of the display unit 13 and the screen Scr.
  • the camera 21 and the projector 22 need not be disposed at opposing positions of the coupling unit 12 , but may be disposed in the same surface, and may be disposed in different surfaces.
  • the camera 21 and the projector 22 are mounted at the same movable part (the camera orientation part 12 - 2 ). Therefore, either the imaging direction of the camera 21 or the projecting direction of the projector 22 is limited. Accordingly, although not illustrated, a movable part separated from the camera orientation part 12 - 2 may be provided and the projector 22 may be mounted at this movable part. Hence, the imaging direction of the camera 21 and the projection direction of the projector 22 may be directed to arbitrary directions respectively independently.
  • FIG. 8 is a view depicting a state of use, on a table, of an embodiment of the information processing terminal according to the present invention, which embodiment is different from those in FIG. 1A to FIG. 1C and FIG. 6A to FIG. 6C .
  • a stand 23 is rotated approximately 50° about a pivot axis Z 4 toward the side thereof at which the rear surface 11 b is disposed, the stand 23 is stood on the table, and then the camera 21 is rotated about the pivot axis Z 1 and the pivot axis Z 3 and put into a state that is directed to allow a selfie shot.
  • the stand 23 has substantially the same exterior dimensions as a short side of the body unit 11 .
  • an opening angle of the stand 23 from the body unit 11 is at 0°, the stand 23 is morphologically integral with the body unit 11 , structuring a lower end portion of the information processing terminal 1 as a whole.
  • the pivot axis Z 4 rotatably couples the stand 23 to the body unit 11 at a corner portion of the body unit 11 .
  • the axial direction of the pivot axis Z 4 is substantially parallel with a long side of the body unit 11 .
  • the pivot axis Z 4 provides appropriate rotation resistance to keep the information processing terminal 1 stable in opposition to a moment of weight of the information processing terminal 1 .
  • Intermediate positions at which rotation of the pivot axis Z 4 can be stopped may be provided at plural points up to an opening angle of 90°.
  • the pivot axis Z 4 allows the stand 23 to rotate at least up to 90° toward the side thereof at which the rear surface 11 b is disposed.
  • the opening angle between the body unit 11 and the stand 23 may be set to 0°. Because the axial direction of the pivot axis Z 4 is substantially parallel with the long edge of the body unit 11 as mentioned above, in order to capture a selfie shot, a user stands the information processing terminal 1 on a table as illustrated in FIG. 8 and, when using the information processing terminal 1 in landscape orientation, adjusts the rotation angle of the pivot axis Z 4 to match a standing angle of the body unit 11 . Thus, adjustment of the angle is easy.
  • the body unit 11 side may be lifted up while the stand 23 is kept placed on the table surface, to put the information processing terminal 1 into the usage state in FIG. 8 .
  • a user may put the information processing terminal 1 into a laid flat state with higher stability, without lifting up the information processing terminal 1 .
  • the camera may be directed precisely at the subject even without a biaxial camera.
  • FIG. 9A and FIG. 9B are views depicting a state which the information processing terminal in FIG. 1A to FIG. 1C is used standing on a table.
  • FIG. 9A is a perspective view showing a state in which the information processing terminal is stood on the table in portrait orientation and used.
  • FIG. 9B is a side view showing the state in which the information processing terminal is stood on the table in portrait orientation and used.
  • the stand 14 is rotated less than 90° about the pivot axis Z 2 toward the side thereof at which the rear surface 11 b is provided, the stand 14 is stood on a table, and then the pivot axis Z 1 is rotated to put the information processing terminal 1 into a state in portrait orientation in which the camera 21 is directed to allow a selfie shot.
  • a user at a receiving side may switch between portrait orientation and landscape orientation to match a portrait orientation image or landscape orientation image of a communication partner.
  • the communication partner's image is in portrait orientation but a selfie may not be captured while the information processing terminal 1 side is upright in portrait orientation
  • the user at the information processing terminal 1 side must continue to hold the information processing terminal 1 in their hand or force imaging in landscape orientation while the communication partner stays in portrait orientation, or both parties must tolerate images of one another at their display units that are small or cropped.
  • the information processing terminal 1 in FIG. 1A to 1C because the stand 14 and the rotation mechanism of the image capture unit are provided, even when there is not a suitable wall surface in the vicinity or a fixing piece such as a protrusion, a pin or the like that is capable of supporting the information processing terminal 1 hanging from a wall surface, the information processing terminal 1 may be stood on a table in portrait orientation. As a result, these can solve all the problems such as the burden of keeping the information processing terminal 1 in portrait orientation and camera shaking during handheld imaging.
  • An application program of the camera 21 may automatically start up when the pivot axis Z 1 is rotated and the coupling unit 12 is raised. Accordingly, the application program of the camera 21 is available for unexpected opportunities for photography but need not run at all times. Thus, limited battery power need not be wasted. Further, an “open” button that automatically rotates the pivot axis Z 1 may be provided at a location that is easy to operate by pressing, such as a side face of the body unit 11 or the like, and the coupling unit 12 may be raised simply by a press of the button.
  • the information processing terminal 1 includes the biaxial rotation mechanism as illustrated in FIG. 4A to FIG. 5B and the like, and is equipped with the stand 14 , the camera 21 and the like. Therefore, without using additional fixing equipment such as a tripod or the like, the camera 21 may be fixed and may capture a time-lapse photograph or video image of the sun seen through a window MD.
  • the information processing terminal 1 depicted in FIG. 10 includes plural rotation axes such as the pivot axes Z 1 to Z 4 described above. Therefore, without using additional equipment such as a dolly, the information processing terminal 1 may be set up in advance such that the direction of the camera moves to match movement of an object moving at low speed, such as the sun, and may capture a time-lapse photograph or video.
  • the information processing terminal 1 may, for example, rotate the camera in a horizontal direction through an angle as illustrated in FIG. 11A , and may rotate the camera in a vertical direction through an angle as illustrated in FIG. 11B .
  • the information processing terminal 1 may neatly erase or blur only the background of a captured image.
  • FIG. 12A An image showing an object Obj such as a product, a person or the like is captured as illustrated in FIG. 12A .
  • an image of the background alone in which the object Obj does not appear is captured, as illustrated in FIG. 12B .
  • parts of the image that are present in FIG. 12B are subtracted from the image in FIG. 12A , and an image in which the object Obj alone remains may be created, as illustrated in FIG. 12C .
  • this image may be composited with a blurred image in which the image of the background alone is blurred, as in FIG. 13D .
  • an image in which the background is neatly blurred as in FIG. 13F may be created.
  • a moving object may be displayed alone by processing similar to that for still images.
  • application to image analysis of a security camera or the like is possible.
  • a user may want to capture a still image or video image for comparison with a previous photograph such as when, for example, comparing a photograph of a house before a renovation with a photograph after the renovation, making a comparison in order to check the effect of a detergent, or the like.
  • a previous photograph such as when, for example, comparing a photograph of a house before a renovation with a photograph after the renovation, making a comparison in order to check the effect of a detergent, or the like.
  • There are very few camera or smartphone applications that enable viewing of a previous photograph while capturing an image with the same composition.
  • the information processing terminal 1 may display data of a previous photograph semi-transparently or may, with a single button, switch display from a live view image from the camera capturing the image to the photograph that is to be compared with.
  • the display may return to the camera live view image automatically or may be returned to the camera live view image by a single action (pressing the button, pressing a remote control button, performing a voice operation or the like).
  • a photograph for comparison may be captured easily.
  • a person who is not used to operating a smartphone or tablet may find it difficult to understand a user interface (UI) in which visible icons cannot be directly operated.
  • UI user interface
  • devices such as the XPERIA TOUCH that may project a large image with a projector and may be operated by touches of the projection screen have been brought to market.
  • prices are high and these devices have many limitations, such as touches not being effective if a projection distance is further than a certain distance.
  • the larger the image the further a hand must be moved to reach the screen for touching. It is difficult to claim that these devices are easy to use. In other words, it is difficult to make close-range operations that are performed while holding a screen in hand and long-range operations that are performed at a distance from the screen equivalent.
  • a video image is displayed at the display unit 13 of the information processing terminal 1 , the video image is outputted to a large screen such as a TV, a projector or the like by wireless or by wire, and operations may be performed with a device such as a laser pointer LP or the like that can superimpose an indicator on the large screen.
  • a device such as a laser pointer LP or the like that can superimpose an indicator on the large screen.
  • three or more markers 24 may be displayed as portions of the video image on the screen Scr.
  • the camera 21 of the information processing terminal 1 may capture images of a cursor P from the laser pointer LP and the three or more markers 24 . Thus, relative positions of the video image on the screen Scr and the cursor P may be identified.
  • the laser pointer LP may be provided with an on/off button for the cursor P and also with an enlarge/reduce button for the cursor P.
  • the enlarge/reduce button may be integrated with the on/off button for the cursor P.
  • a change of color, shape or the like of the cursor may accompany this change.
  • the cursor P is not limited to a single point; plural cursors may be detected simultaneously. At a time of an enlargement or reduction operation, detection may be performed such that the video image is enlarged when two cursors are moved apart and the image is reduced when the two cursors are brought closer together.
  • the video image of the display unit 13 that is projected by the TV, projector or the like and the video image on the screen on which the cursor P is projected may be captured in real-time, and the path of the cursor P may be easily identified and recognized simply from differences between these images.
  • the display unit 13 of the information processing terminal 1 and the display that is outputted to the television receiver, projector or the like do not necessarily have to be the same. For example, images captured by the camera 21 may be displayed at the display unit 13 of the information processing terminal 1 or, with the aim of easing processing, nothing may be displayed at the display unit 13 .
  • a keyboard printed on a very thin material such as paper or the like may be used as illustrated in FIG. 16 .
  • the camera 21 of the information processing terminal 1 in FIG. 16 may be fixed by using the stand 14 to stand up the information processing terminal 1 and using the biaxial rotation mechanism of the camera.
  • the printed keyboard K is imaged, fingers placed on the keyboard K are imaged by the camera, and positions pressed the by fingers may be detected.
  • a QR code (registered trademark) QR may be printed in the vicinity of the keyboard K, and the layout of the keys of the printed keyboard K may be immediately identified by the QR code QR being imaged by the camera 21 .
  • the markers 24 may be printed in the vicinity of the keyboard K, key regions of the keyboard K may be specified, relative positions of the keys being pressed may be identified, and text may be entered by fingers pressing the printed keyboard K.
  • the keyboard K may of course have a common layout as illustrated in FIG. 17 and, because the keyboard K may be fabricated by printing, the keyboard K may be customized exactly as required without concern for commercial demand. For example, keys for “Hello”,
  • movements of a finger Fn and touches against a table may be imaged by the camera 21 , the movements of the finger Fn may be linked with movements of a cursor P, and the information processing terminal 1 may be operated in a similar manner to operation of a computer touchpad.
  • a thumb is kept on the table and an index finger is moved up and down, operations similar to moving a jog dial of a mouse are possible.
  • Handwritten text may be entered in the same vicinity.
  • the information processing terminal 1 includes the camera 21 that can be rotated about plural pivot axes. Therefore, the information processing terminal 1 may be fixed to a car phone holder 25 and the information processing terminal 1 may capture a video image in the progress direction of the car with the camera 21 , to act as AR navigation and as a driving recorder. At the same time, the display unit 13 of the information processing terminal 1 may be directed at an angle that is easy for the driver to see.
  • the camera 21 of the information processing terminal 1 usually images in the progress direction as illustrated in FIG. 20A .
  • the camera 21 rotates as illustrated in FIG. 20B and images the face and the like of the driver, and may check the condition of fitness of the driver.
  • the camera 21 , a swivel cradle 26 or the like may be rotated by electric driving and adjusted such that an object Obj is brought to a suitable position, and a guide to adopting a pose may be displayed at the display unit 13 such that the poses are the same.
  • a guide for example, a hand-drawn guide entered by the user may be displayed.
  • a state of health of the user may be checked at the same time as the image capture, and the shutter may be released by a voice instruction or gesture.
  • the direction of the camera changes when the direction of the smartphone changes, and the person viewing the display may be disoriented.
  • the camera 21 may be electronically controlled using data from a G-sensor or the like so as to continuously direct the camera 21 in a fixed direction (for example, the horizontal direction), using the pivot axis Z 1 , and an image displayed at the display unit 13 of the information processing terminal 1 may be kept constant.
  • a document B is imaged by the camera 21 and optical character recognition (OCR) is applied.
  • OCR optical character recognition
  • text data is recognized, and a translation may be displayed at the display unit 13 of the information processing terminal 1 .
  • the document B is imaged page by page as still images or video images without needing separate shutter presses, using turning of the pages as a trigger, and translation is performed. Reloading of pages may be performed by voice, and may be performed by sound. Obviously, the document B may be converted to text data with using this function. Because the information processing terminal 1 has plural pivot axes at the coupling unit 12 , the angle of the camera 21 can be altered independently of the direction of the display unit 13 , and this function is possible.
  • a distance in the height direction may increase, which facilitates the image capture.
  • the direction of the camera 21 may be made to correspond appropriately with the document B that is being imaged. As a result, the text may be converted to data more accurately.
  • the information processing terminal 1 that can rotate the camera 21 is used, or the information processing terminal 1 is placed on the swivel cradle 26 and the rotating mechanism of the information processing terminal 1 is used in combination with the swivel cradle 26 .
  • the direction of the camera 21 is automatically altered to match the positions of barcodes, and the camera 21 may accurately read the barcodes of products being purchased such as, for example, chocolate Ch, a drink bottle Pb and the like.
  • characteristics such as product shapes and the like may be recognized in advance.
  • information such as product names, prices and the like may be identified even for products to which barcodes are not attached, such as bread and the like.
  • Entries for domestic bookkeeping and accounts may be simplified by imaging receipts and the like with a camera when products are purchased.
  • the receipts must be placed for this imaging, the camera must be prepared, and a shutter button must be pressed, which is very inconvenient.
  • the information processing terminal 1 that can rotate the camera 21 may be placed on the swivel cradle 26 on a table, realizing a separation in the height direction.
  • receipts on the table may be automatically imaged without individual operations (such as pressing a shutter button).
  • the swivel cradle 26 is not necessarily required.
  • the imaged receipts and the like may be subjected to OCR, and text data may be recognized and entered.
  • the user needs to operate the information processing terminal 1 and the swivel cradle 26 very little, and may concentrate on placing the receipts and the like. Particularly on a flat surface such as a table, it is easy to array receipts and the like.
  • a pedestal attachment may be fixed to the swivel cradle 26 , a product to be imaged placed on the swivel cradle 26 , and the information processing terminal 1 fixed with the stand 14 . Then, using the camera 21 of the information processing terminal 1 while controlling rotation of the swivel cradle 26 from the information processing terminal 1 , the product may be imaged 360° around.
  • a hanger attachment 27 may be fixed to the swivel cradle 26 , and the item may be hung from a hanger or the like below the swivel cradle 26 .
  • the hanging item may be imaged 360° around.
  • a digital camera, smartphone or the like can take a composite panorama shot by the camera being moved horizontally.
  • the camera, smartphone or the like must be moved horizontally smoothly. Neat composition is often not possible. If vertical movement as well as horizontal movement is possible, an extremely large photograph may be composited. In this case too, neat composition is often not possible.
  • panorama imaging in the vertical direction and the horizontal direction as illustrated in FIG. 28 is possible, by the camera 21 of the information processing terminal 1 being operated while the plural pivot axes are moved.
  • a larger photograph may be taken.
  • An even larger range than when only the pivot axes of the information processing terminal 1 are used may be imaged by placing the information processing terminal 1 on the swivel cradle 26 and using the pivot axes of the information processing terminal 1 to move the camera viewpoint in the vertical direction in correspondence with horizontal rotation of the swivel cradle 26 , or the like. Because this image capture may be electrically driven, neat composition is possible. When vertical and horizontal composition are combined, a larger photograph may be taken. When conducting a scan, determining a scanning sequence on a single stroke increases scanning efficienty.
  • the camera 21 of the information processing terminal 1 at a teacher Tc side of a video chat may be rotated, and thus written matter B on a table may be automatically imaged without a shutter button being pressed.
  • Keystone correction and vertical inversion may be applied, and the written matter B and the face of the teacher Tc may be simultaneously displayed at the display unit 13 of the information processing terminal 1 at a student side of the video chat, as illustrated in FIG. 29B .
  • a stand or the like on which the information processing terminal 1 can be vertically stood may be used.
  • the swivel cradle 26 If the swivel cradle 26 is used, a separation in the height direction may be realized and, using vertical rotation of the camera in correspondence with horizontal rotation of the swivel cradle 26 , the camera rotation function of the information processing terminal 1 may image a larger range than rotation of the information processing terminal 1 alone.
  • camera operations and rotations may be conducted by remote control; even control over a network is possible.
  • limitations may be applied to movements of the camera; markers indicating now imaging may be applied.
  • a setting such that, for example, operations (altering the direction of the camera 21 ) are not permitted over a network may be made from equipment (a camera, a smartphone or the like) at the side at which operations are conducted.
  • an LED, display screen or flashlight may be illuminated, a vibration or noise may be produced, an aroma may be emitted, or a captured image may be displayed at the display. Entry of a password may be required for conducting operations. Settings may be made, to allow or disallow settings of whether an LED is illuminated and whether an image is displayed during image capture, at each of the side at which operations are conducted and the side that is operated.
  • the information processing terminal 1 with the rotatable camera 21 may be placed on the swivel cradle 26 on a table.
  • rotation of the swivel cradle 26 may be combined with rotation of the camera 21 of the information processing terminal 1 , and the camera 21 may be directed in various directions.
  • Human detection sensors 28 incorporated in the swivel cradle 26 as illustrated in FIG. 31 or in the information processing terminal 1 may identify positions at which people are located. Hence, the people may be clearly imaged by rotation of the camera 21 without rotation by guesswork. Even without the swivel cradle 26 , when the camera 21 of the information processing terminal 1 can be rotated about two or more axes, automatic image capture is possible.
  • the positions of people may be identified by calculations of small differences between the times at which sounds arrive at the microphones, or the like.
  • a subject may be specified and the rotation mechanism may be used to make the camera automatically track the subject.
  • Image capture does not necessarily all have to be performed automatically. Images may be captured by voice commands, and images may be captured by gestures. If people are identified and a person who does not want to be photographed is present, a setting may be made to automatically identify and prevent photography of that person. If a person who does not want to be photographed is registered in the camera beforehand or is manually marked with an “X” during image capture, that person may be identified in image processing and image capture of that person prevented or the like.
  • a cradle One of the primary purposes of a cradle is to supply electric power for charging to a smartphone. Accordingly, the cradle cannot receive electric power from the smartphone.
  • a power supply such as a battery, an AC adapter or the like is necessary. The battery, AC adapter or the like must be transported with the cradle even for very short times of use.
  • the fact that electric power is not being supplied to the swivel cradle 26 may be automatically detected and electric power may be supplied from the information processing terminal 1 to the swivel cradle 26 .
  • functions such as the Human detection sensors 28 attached to the swivel cradle 26 and the like may be energized with power from the information processing terminal 1 .
  • a smartphone can be used in a similar manner to a personal computer, such as equipping an HDMI (registered trademark) terminal to enable video output, equipping a USB-A terminal and so forth.
  • a built-in camera of a smartphone often cannot be used in the same way as a built-in camera of a computer due to the position, direction and angle at which the cradle is placed. That is, if there is no function allowing use of the built-in camera of a smartphone and a built-in camera of a computer is mounted above or below a display, the built-in camera of the computer can be directed at a user's face if the display is directed thereat.
  • the camera 21 automatically rises, and the swivel cradle 26 and the pivot axes of the information processing terminal 1 are driven such that an image capture subject is within the frame of the camera 21 .
  • the image capture subject may be kept within the frame of the camera.
  • there are various other possibilities such as using images from the camera 21 for facial authentication, using the Human detection sensors 28 and turning off the monitor when nobody is present, and so forth.
  • the information processing terminal installed at the swivel cradle 26 may be used for various purposes such as displaying information, playing music, newsfeeds, weather forecasts, audiobooks, a calendar, sports news, transport information, shopping, connections with electronics, air conditioners and curtains, and so forth.
  • the body unit 11 and the coupling unit 12 are rotatably connected with one another as described above. Rotation operations of the coupling unit 12 may be manual and may be electric.
  • the information processing terminal is structured, for example, as shown in FIG. 32A and FIG. 32B .
  • FIG. 32A and FIG. 32B depict exterior and interior structures of an embodiment of the information processing terminal according to the present invention, which structures are different from the structures in FIG. 2A to FIG. 2C and the like.
  • FIG. 32A is a rear view of the information processing terminal.
  • FIG. 32B is a sectional view of FIG. 32A .
  • the coupling unit 12 includes the camera base part 12 - 1 and the camera orientation part 12 - 2 .
  • the circular camera 21 is disposed at the front face of the camera orientation part 12 - 2 (the face at the side viewed in FIG. 32A ).
  • the camera base part 12 - 1 is pivot-supported to enable rotation by electric driving of the whole of the coupling unit 12 relative to the body unit 11 about the pivot axis Z 1 . That is, the camera base part 12 - 1 is structured so as to rotate about the pivot axis Z 1 while end faces of the exterior column shape of the camera base part 12 - 1 slide against the body unit 11 .
  • a stepper motor 51 a biaxial hinge 53 , a gear 54 and a gear 55 are provided inside the coupling unit 12 (see FIG. 32B ). That is, the camera base part 12 - 1 is automatically rotated about the pivot axis Z 1 by rotary driving force of the stepper motor 51 being transmitted to the biaxial hinge 53 .
  • the camera orientation part 12 - 2 at which the camera 21 is mounted, is supported by a cantilever spindle to be rotatable relative to the camera base part 12 - 1 about the pivot axis Z 3 that is arranged substantially orthogonally to the pivot axis Z 1 .
  • a stepper motor 52 the biaxial hinge 53 , the gear 54 and a gear 56 are provided inside the coupling unit 12 (see FIG. 32B ). That is, the camera orientation part 12 - 2 is automatically rotated about the pivot axis Z 3 by rotary driving force of the stepper motor 52 being transmitted to the biaxial hinge 53 via the gear 54 and the gear 56 .
  • the biaxial hinge 53 does not necessarily have to be an integrated biaxial hinge but may be divided into two separate hinges.
  • stepper motor 51 and the stepper motor 52 are employed, rotation about the pivot axis Z 1 and the pivot axis Z 3 can be implemented precisely and quickly by electric driving.
  • FIG. 33 is a block diagram depicting structures for implementing control of rotation about the pivot axis Z 1 and pivot axis Z 3 in a case in which the stepper motor 51 and stepper motor 52 in FIG. 32A and FIG. 32B are employed.
  • a motor driver 61 of the stepper motor 51 a motor driver 62 of the stepper motor 52 , a rotation angle sensor 63 of the stepper motor 51 , a rotation angle sensor 64 of the stepper motor 52 , a microcontroller unit (MCU) 65 and a wireless module 66 are provided.
  • MCU microcontroller unit
  • a driver 71 that serves as an interface with the wireless module 66 , a driver 72 that serves as an interface with an input driver 82 of the information processing terminal 1 , a driver 73 that serves as an interface with the motor driver 61 , and a driver 74 that serves as an interface with the motor driver 62 are provided at the MCU 65 . Also provided at the MCU 65 are analog-to-digital converters (ADCs) 75 and 76 for converting respective analogue detection signals from the rotation angle sensors 63 and 64 to digital signals.
  • ADCs analog-to-digital converters
  • Commands for rotation of the pivot axis Z 1 and pivot axis Z 3 are given as both user commands OP 1 using a wireless remote controller 81 and user commands OP 2 using an input device 82 of the information processing terminal 1 such as a touch panel or the like.
  • Commands according to the commands OP 1 are inputted to the driver 71 of the MCU 65
  • commands according to the commands OP 2 are inputted to the driver 72 of the MCU 65 .
  • the MCU 65 On the basis of commands according to the commands OP 1 and respective detection signals from the rotation angle sensors 63 and 64 , the MCU 65 applies control to the motor drivers 61 and 62 via the respective drivers 73 and 74 .
  • the two rotation angle sensors 63 and 64 are employed, the following possibilities arise. Firstly, absolute positions may be known (positions are not derived by calculations when movements are performed by a user's hand). Secondly, failsafes for preventing movement beyond movement ranges are possible. Thirdly, the direction of the camera 21 may be precisely derived from the combination of a G-sensor in the body and the rotation angle sensors 63 and 64 .
  • an information processing terminal in which the present invention is employed may encompass various embodiments. That is, embodiments of the information processing terminal in which the present invention is employed are not particularly limited provided the information processing terminal is structured as follows.
  • An information processing terminal in which the present invention is employed includes:
  • an image capture unit that captures an image of a subject (for example, the camera in FIG. 2A to FIG. 2C ); a body unit (for example, the body unit 11 in FIG. 1A to FIG. 2C ), at a predetermined surface of which (for example, the front surface 11 a in FIG. 1A to FIG. 2C ) a display unit (for example, the display unit 13 in FIG. 1A to FIG. 2C ) is disposed, the display unit displaying a captured image captured by the image capture unit that includes the subject; and a coupling unit (for example, the coupling unit 12 in FIG. 1A to FIG.
  • the plural rotation axes including a first rotation axis (for example, the pivot axis Z 1 in FIG. 2A to FIG. 2C ) for changing an angle between an optical axis direction of the image capture unit and a normal direction of the display unit, and a second rotation axis (for example, the pivot axis Z 3 in FIG. 2A to FIG. 2C ) in a direction different from a direction of the first rotation axis.
  • a first rotation axis for example, the pivot axis Z 1 in FIG. 2A to FIG. 2C
  • a second rotation axis for example, the pivot axis Z 3 in FIG. 2A to FIG. 2C
  • the coupling unit may include at least one movable part (for example, the camera base part 12 - 1 and the camera orientation part 12 - 2 in FIG. 2A to FIG. 2C ) smaller in volume than the body unit,
  • the image capture unit may be disposed at a predetermined surface of one (for example, the camera orientation part 12 - 2 ) of the at least one movable part, and an angle between the direction of the first rotation axis and the direction of the second rotation axis may be substantially 90°.
  • the body unit and two or more of the movable parts may be coupled by a hinge with at least two axes.
  • the body unit and movable part may be coupled by a flexible arm.
  • a position may be provided at which a camera unit stops when the camera unit is rotating around a rotation axis (for example, the pivot axis Z 1 ) in an attitude perpendicular to a length direction of the body unit, the camera unit stopping at this position before reaching a position beyond which the camera unit is not to rotate.
  • a rotation axis for example, the pivot axis Z 1
  • the camera unit When the camera unit is rotating around the rotation axis (for example, the pivot axis Z 1 ) in the attitude perpendicular to the length direction of the body unit, the camera unit may rotate through an angle greatly exceeding 180°.
  • the rotation axis for example, the pivot axis Z 1
  • An acceleration sensor or the like may be equipped at the movable part equipped with a camera (for example, the camera orientation part 12 - 2 ), the acceleration sensor identifying directions up, down, left and right and influencing the orientation of an image at the display unit. More specifically, for example, if an acceleration sensor or the like for identifying directions of the body unit 11 up, down, left and right is equipped at the body unit 11 side, the camera viewpoint image is displayed with consideration to the direction of the body unit 11 and the direction of the camera orientation part 12 - 2 .
  • a method may be employed of calculating an angle between the body unit 11 and the camera orientation part 12 - 2 from a single sensor or plural sensors, combining the angle with values from an acceleration sensor and the like mounted at the body unit 11 , and displaying the camera viewpoint image with consideration to the direction of the camera orientation part 12 - 2 .
  • a stand may be included that is capable of fixing the body unit at different angles at which the body unit is not placed parallel or perpendicular to a ground surface.
  • the stand may include a rotation axis (for example, the pivot axis Z 2 ), and the stand may rotate 180° to an attitude that is parallel with the body unit.
  • a rotation axis for example, the pivot axis Z 2
  • the body unit and camera unit may initially be separate.
  • the separated camera unit may include at least one movable part
  • the camera may be rotatable by plural rotation axes including a first pivot axis for changing the optical axis direction of the camera and a second pivot axis in a direction different from a direction of the first rotation axis, and an angle formed by the direction of the first rotation axis and the direction of the second rotation axis may be substantially 90°.
  • the movable part may be rotated by electric driving.
  • An acceleration sensor or the like may be equipped at the separated camera, the acceleration sensor identifying directions up, down, left and right and influencing the orientation of an image at the display unit.
  • a shutter remote control may be usable as a pen so as to enable easy writing and editing of text after image capture.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Studio Devices (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Telephone Set Structure (AREA)
  • Structure And Mechanism Of Cameras (AREA)
  • Accessories Of Cameras (AREA)
  • Telephone Function (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
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US17/228,503 Active US11659074B2 (en) 2016-08-30 2021-04-12 Information processing terminal
US18/298,191 Abandoned US20230283699A1 (en) 2016-08-30 2023-04-10 Information processing terminal
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US18/298,191 Abandoned US20230283699A1 (en) 2016-08-30 2023-04-10 Information processing terminal
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