WO2017006422A1 - Dispositif électronique - Google Patents

Dispositif électronique Download PDF

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Publication number
WO2017006422A1
WO2017006422A1 PCT/JP2015/069466 JP2015069466W WO2017006422A1 WO 2017006422 A1 WO2017006422 A1 WO 2017006422A1 JP 2015069466 W JP2015069466 W JP 2015069466W WO 2017006422 A1 WO2017006422 A1 WO 2017006422A1
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WO
WIPO (PCT)
Prior art keywords
projection
sensor
distance measurement
housing
electronic device
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Application number
PCT/JP2015/069466
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English (en)
Japanese (ja)
Inventor
村瀬　太一
昌史 多田
Original Assignee
富士通株式会社
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Publication date
Application filed by 富士通株式会社 filed Critical 富士通株式会社
Priority to PCT/JP2015/069466 priority Critical patent/WO2017006422A1/fr
Publication of WO2017006422A1 publication Critical patent/WO2017006422A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor

Definitions

  • the present invention relates to an electronic apparatus having a separation sensor that measures a distance between a projection apparatus that projects an image on a projection area and an object such as a user's finger located in the projection area.
  • an electronic device called an interactive projector having a user interface function for detecting an operation of an object such as a user's finger and generating an input signal corresponding to the operation
  • Such an electronic device includes a projection device that projects an image on a projection surface, a mirror that reflects an image projected from the projection device, and a separation sensor that detects the movement of a finger or the like that instructs an operation on the projection surface.
  • the projection device is disposed in a casing of the electronic device, and the separation sensor is disposed on a mirror support member that supports the mirror.
  • the distance measuring sensor is disposed on the mirror support member, it is possible to detect the movement of an object such as a user's finger from above, and it is easy to determine the shape of the object. At the same time, the possibility of being disturbed by the obstacle located on the projection surface is reduced.
  • the separation sensor is disposed on the mirror support member, the size of the mirror support member increases. Since the user operates the electronic apparatus by placing a finger on the projection plane located below the mirror support member, the user's head and the mirror support member may be close to each other. When the size of the mirror support member is increased by arranging the separation sensor on the mirror support member, the user feels pressure when the user's head and the mirror support member come close to each other. Usability is reduced.
  • the separation sensor is placed in the housing of the electronic device instead of the mirror support, and the movement of an object such as a user's finger is detected through a mirror shared with the projection device It is conceivable to adopt a configuration that does this.
  • the optical axis direction of the light emitted from the distance sensor is the projection plane. It is preferable to arrange so as to be close to the normal line direction. This is because it is possible to detect the movement of an object such as a user's finger from above by arranging the distance sensor so that the optical axis direction of the emitted light is close to the normal direction of the projection surface. is there.
  • the distance sensor when the distance sensor is arranged so that the optical axis direction of the emitted light is close to the normal direction of the projection surface, the light emitted from the distance sensor is reflected by the mirror and directly enters the distance sensor. There is a fear. Light that is directly incident after being reflected by a mirror without passing through an object such as a user's finger located on the projection surface has a relatively strong intensity. The detection sensitivity of the distance measurement sensor that detects the positioned object is lowered.
  • an object of the present invention is to realize an electronic device that is less likely to feel a sense of pressure by an operating user without reducing the detection sensitivity of a distance measurement sensor.
  • the electronic device includes a housing that is arranged upright on the projection surface, a projection device, a reflection unit, and a separation sensor.
  • the projection device is disposed on the housing, emits projection light for projecting an image upward
  • the reflection unit is disposed above the housing, and the projection light emitted by the projection device is projected onto the projection area on the projection surface.
  • the distance measurement sensor is disposed on the housing, emits distance measurement light for measuring the distance between the object located in the measurement area to the reflection unit, and the measurement light reflected by the object passes through the reflection unit. Incident.
  • the distance measurement sensor has a distance between the projection area and the position where the distance between the projection apparatus and the projection apparatus is equal to or far from the projection apparatus.
  • the tilt angle between the optical axis and the normal line of the projection plane is set at an angle that is equal to or smaller than a predetermined reference angle.
  • the reflection unit is arranged so that the measurement light emitted from the separation sensor is reflected and does not directly enter the measurement sensor.
  • FIG. 1A is a side view of a projector system including an electronic device according to the embodiment
  • FIG. 1B is a front view of the electronic device shown in FIG.
  • FIG. 2 is a first diagram for explaining an arrangement condition of the separation sensor shown in FIG. 1.
  • FIG. 3 is a second diagram for explaining the arrangement conditions of the separation sensor shown in FIG. 1.
  • FIG. 3 is a third diagram for explaining the arrangement conditions of the separation sensor shown in FIG. 1.
  • FIG. 4 is a fourth diagram for explaining the arrangement conditions of the separation sensor shown in FIG. 1.
  • FIG. 6 is a fifth diagram for explaining the arrangement conditions of the separation sensor shown in FIG. 1.
  • FIG. 10 is another perspective view of the electronic device shown in FIG. 9.
  • FIG. 10 is a front view of the electronic device shown in FIG. 9.
  • FIG. 10 is a rear view of the electronic device shown in FIG. 9.
  • FIG. 10 is a left side view of the electronic device shown in FIG. 9.
  • FIG. 10 is a right side view of the electronic device shown in FIG. 9.
  • FIG. 10 is a plan view of the electronic device shown in FIG. 9.
  • FIG. 10 is a bottom view of the electronic device shown in FIG. 9.
  • An electronic device includes a projection device disposed in a housing, a reflection unit that is disposed above the housing and reflects projection light emitted from the projection device to a projection region on a projection surface, and a projection region.
  • the separation area in which the separation sensor measures the distance to the object includes the entire projection area, and the shape of the measurement target can be easily determined.
  • the reflection unit is arranged so that the measurement light emitted from the separation sensor is reflected and does not directly enter the measurement sensor. With the arrangement of the reflecting portion, it is possible to prevent the detection sensitivity of the distance measuring sensor from being lowered by reflecting the distance measuring light emitted from the distance measuring sensor and directly entering the distance measuring sensor.
  • the electronic device by devising the arrangement of the distance measurement sensor and the reflection unit, it is possible to solve the problem caused by sharing the single reflection unit between the projection device and the distance measurement sensor.
  • FIG. 1A is a side view of a projector system including an interactive projector which is an example of the electronic apparatus according to the embodiment
  • FIG. 1B is a front view of the interactive projector shown in FIG.
  • the projector system 100 includes an interactive projector 1, a computer 101, and electrical wiring 102 that connects the interactive projector 1 and the computer 101.
  • Each of the interactive projector 1 and the computer 101 is disposed on the projection plane 103.
  • the interactive projector 1 includes a housing 10, a mirror support member 11 disposed above the housing 10, and a pair of arms 12 having one end joined to the housing 10 and the other end joined to the mirror support member 11. And 13.
  • a projection device 20 and a separation sensor 30 are arranged in the housing 10, a projection device 20 and a separation sensor 30 are arranged.
  • the mirror 40 is disposed on the surface of the mirror support member 11 that faces the projection surface 103.
  • the computer 101 is a personal computer, for example, and provides image data indicating an image displayed by the interactive projector 1 to the interactive projector 1 via the electric wiring 102. Further, the computer 101 acquires input data indicating an input based on an operation of an object such as a user's finger detected by the interactive projector 1 from the interactive projector 1 via
  • the projection device 20 is disposed on the housing 10 and emits projection light for projecting an image onto the projection surface 103 in the upward direction.
  • the projection light emitted upward from the projection device 20 is reflected by the mirror 40 and projected onto the projection area 104 located on the projection plane 103.
  • Examples of projection light emitted from the projection device 20 are denoted by reference numerals 21 to 26 in FIGS. 1 (a) and 1 (b).
  • the projection light 21 reaches one point Pv0 on the side far from the casing 10 extending in the width direction of the casing 10, and the projection light 22 reaches one point Pv1 on the side near the casing 10 extending in the width direction of the casing 10. To do.
  • the projection light 23 reaches one vertex Pv2 on the side far from the casing 10 extending in the width direction of the casing 10, and the projection light 24 is on the other side of the side far from the casing 10 extending in the width direction of the casing 10.
  • the vertex Pv3 is reached.
  • the projection light 25 reaches one vertex Pv4 of the side close to the case 10 extending in the width direction of the case 10, and the projection light 26 is the other side of the side close to the case 10 extending in the width direction of the case 10.
  • the vertex Pv5 is reached.
  • the separation sensor 30 is disposed on the back surface opposite to the projection surface 103 of the housing 10 and measures a distance between the object and the object in order to detect an object such as a user's finger located in the separation area 105.
  • the separation light that is emitted upward and reflected by the object is incident.
  • the separation sensor 30 is a separation sensor with a depth value from which the depth can be acquired, for example, Kinect (registered trademark) of Microsoft (registered trademark) that analyzes distortion of an infrared pattern, but is not limited thereto. It is not a thing.
  • Kinect registered trademark
  • Microsoft registered trademark
  • the separation sensor 30 detects the movement of the object according to the measured distance from the object.
  • Examples of the measurement light emitted from the measurement sensor 30 are denoted by reference numerals 31 to 36 in FIGS. 1 (a) and 1 (b).
  • the measurement light 31 reaches one point Sv0 on the side far from the casing 10 extending in the width direction of the casing 10, and the measurement light 32 is one point Sv1 on the side near the casing 10 extending in the width direction of the casing 10. To reach.
  • the measurement light 33 reaches one vertex Sv2 on the side far from the casing 10 extending in the width direction of the casing 10, and the measurement light 34 is on the side far from the casing 10 extending in the width direction of the casing 10.
  • the other vertex Sv3 is reached.
  • the measurement light 35 reaches one vertex Sv4 of the side close to the case 10 extending in the width direction of the case 10, and the measurement light 36 has a side close to the case 10 extending in the width direction of the case 10.
  • the other vertex Sv5 is reached.
  • the separation sensor 30 is disposed so that the inclination angle between the optical axis of the separation light emitted from the separation sensor 30 and the normal line of the projection surface 103 is equal to or less than a predetermined reference angle.
  • the reference angle is defined in a range in which the measurement light emitted from the measurement sensor 30 can easily determine the shape of an object such as a user's finger. If the inclination angle between the optical axis of the measurement light and the normal line of the projection surface 103 becomes large, and the object is measured from an oblique direction or a lateral direction, it becomes difficult to determine the shape of the object and the measurement is performed. There is a possibility that the accuracy of the separation is lowered due to the shielding object existing between the separation sensor 30 and the object.
  • the object is measured from above. This makes it easy to determine the shape of the object and minimizes the influence of the shielding object.
  • the mirror 40 is disposed on the surface of the mirror support member 11 that faces the projection surface 103, reflects the projection light emitted from the projection device 20 to the projection region 104 of the projection surface 103, and measures the measurement light emitted from the separation sensor 30.
  • This is a reflection unit that reflects the light separation to the measurement region 105 of the projection surface 103.
  • the mirror 40 reflects the measured light reflected by an object such as a user's finger located in the measured region 105 to the measured sensor 30.
  • the mirror 40 has a minimum area capable of reflecting the projection light and the measurement light.
  • the mirror 40 reflects the projection light 21, 23, and 24 and the measurement light 31, 33, and 34 that reach the side far from the housing 10 near the tip, and the projection light that reaches the side near the housing 10. 22, 25 and 26 and the separation light 32, 35 and 36 are reflected in the vicinity of the rear end.
  • a point Sv0 on the side far from the housing 10 where the measurement light emitted from the separation sensor 30 arrives is the case 10 where the projection light emitted from the projection device 20 arrives. It is farther from the housing 10 than the point Pv0 on the side far from the housing. Further, the one point Sv0 near the case 10 where the measurement light emitted from the separation sensor 30 arrives is more than the one point Pv0 near the case 10 where the projection light emitted from the projection device 20 arrives. Close to the housing 10. From this, both the side far from the housing 10 in the projection area 104 and the side near the housing 10 are sandwiched between the side far from the housing 10 in the measurement area 105 and the side near the housing 10.
  • one vertex Sv2 on the side far from the casing 10 where the measurement light emitted from the separation sensor 30 arrives is a case where the projection light emitted from the projection device 20 reaches. It is further from the housing 10 than one vertex Pv2 on the side far from the body 10. Further, one vertex Sv4 of the side close to the housing 10 where the measurement light emitted from the separation sensor 30 arrives is one of the sides close to the case 10 where the projection light emitted from the projection device 20 arrives. It is closer to the housing 10 than the vertex Pv4.
  • the side extending from the vertex Pv2 to Pv4 of the projection region 104 is closer to the housing 10 than the side extending from the vertex Sv2 to Sv4 of the separation region 105.
  • the vertex Pv3 is closer to the housing 10 than Sv3 and the vertex Pv5 is closer to the housing 10 than Sv5
  • the side extending from the vertex Pv3 to Pv5 of the projection region 104 is from the vertex Sv3 of the measurement region 105. It is closer to the housing 10 than the side extending to Sv5.
  • both the side extending from the vertex Pv2 to Pv4 and the side extending from the vertex Pv3 to Pv5 of the projection region 104 are the side extending from the vertex Sv2 to Sv4 and the side extending from the vertex Sv3 to Sv5 of the separation region 105. It is sandwiched between.
  • the measurement region 105 is the projection region. All of 104 are included.
  • the arrangement condition in which the separation sensor 30 is arranged so that the separation area 105 includes the entire projection area 104 is defined by the arrangement position SP (x, y, z) of the separation sensor 30 and the optical axis inclination angle ⁇ s.
  • the arrangement position SP (x, y, z) is a method of the projection plane 103 in which the width direction of the casing 10 is the X direction, the direction perpendicular to the width direction of the casing 10 and parallel to the projection plane 103 is the Y direction.
  • the line direction is defined as the Z direction.
  • the optical axis inclination angle ⁇ s is defined as the inclination angle of the optical axis of the measurement light emitted from the measurement sensor 30 with respect to the normal direction of the projection plane 103.
  • the arrangement position SP (x, y, z) of the separation sensor 30 and the optical axis inclination angle ⁇ s are determined based on the arrangement position of the projection device 20 and the light in the coordinate system with the bottom surface of the housing 10 in contact with the projection surface 103 as the origin.
  • Sv0 to Sv5 are Sv0 (y)> Pv0 (y) Sv1 (y) ⁇ Pv1 (y) Sv2 (x)> Pv2 (x) Sv3 (x) ⁇ Pv3 (x) Sv4 (x)> Pv4 (x) Sv5 (x) ⁇ Pv5 (x)
  • Pv0 (y) represents the Y coordinate of one point Pv0 extending from Pv2 to Pv3
  • Pv1 (y) represents the Y coordinate of one point Pv1 extending from Pv4 to Pv5.
  • Sv0 (y) represents the Y coordinate of one point Sv0 extending from Sv2 to Sv3, and Sv1 (y) represents the Y coordinate of one point Sv1 extending from Sv4 to Sv5.
  • Pv2 (x) represents the X coordinate of Pv2
  • Pv3 (x) represents the X coordinate of Pv3,
  • Pv4 (x) represents the X coordinate of Pv4,
  • Pv5 (x) represents the X coordinate of Pv5.
  • Sv2 (x) indicates the X coordinate of Sv2
  • Sv3 (x) indicates the X coordinate of Sv3
  • Sv4 (x) indicates the X coordinate of Sv4
  • Sv5 (x) indicates the X coordinate of Sv5.
  • the disposition position SP (x, y, z) and the optical axis inclination angle ⁇ s of the separation sensor 30 are defined by the four vertices Pv2 to Pv5 in the separation area 105 defined by the four vertices Sv2 to Sv5. Is set so as to include the projected area 104 to be displayed.
  • FIG. 2 is a first diagram for explaining the arrangement conditions of the separation sensor 30.
  • the calculation of the Y coordinate and the Z coordinate of the position where the measurement light 32 enters the mirror 40 is shown.
  • the horizontal axis indicates the Y direction
  • the vertical axis indicates the Z direction.
  • the origin of the coordinate system is the bottom surface of the housing 10 in contact with the projection plane 103. Therefore, the Z coordinate of the projection plane 103 is zero.
  • ⁇ s represents an inclination angle of the optical axis of the measurement light emitted from the separation sensor 30 with respect to the normal direction of the projection surface 103
  • ⁇ m represents an inclination angle of the mirror 40 with respect to the projection surface 103.
  • Each of ⁇ d and ⁇ u is a part of the vertical field angle of the measured light emitted from the distance measuring sensor 30, and ⁇ d is a distance from the optical axis of the vertical field angle of the measured light in the direction far from the housing 10.
  • ⁇ u represents an angle in a direction close to the housing 10 from the optical axis in the vertical field angle of the measured light.
  • SP (x, y, z) indicates the coordinates of the arrangement position of the separation sensor 30, and Mir (x, y, z) indicates the coordinates of the reference position of the mirror 40.
  • Sv0 (y) indicates the Y coordinate of one point Sv0 on the side far from the case 10 extending in the width direction of the case 10, and Sv1 (y) indicates the side near the case 10 extending in the width direction of the case 10.
  • the Y coordinate of one point Sv1 is shown.
  • Sm0 (x, y, z) indicates the coordinates at which the measured light 32 reaching Sv0 (y) is incident on the mirror 40.
  • Sm1 (x, y, z) indicates coordinates at which the measured light 32 reaching Sv1 (y) is incident on the mirror 40.
  • the angle is positive when indicated by a solid arrow and negative when indicated by a dashed arrow.
  • FIG. 2 the angle is positive when indicated by a solid arrow and negative when indicated by a dashed arrow.
  • ⁇ s and ⁇ u are positive, and ⁇ m and ⁇ d are negative.
  • the coordinate axis has a positive direction indicated by an arrow.
  • Sv1 (y), Pv1 (y), Pv0 (y), and Sv0 (y) increase in this order
  • SP x, y, z
  • Mir X, y, z
  • Z coordinates of Sm0 (x, y, z) increase in this order.
  • the Y coordinate Sm1 (y) of Sm1 (x, y, z) is the Y coordinate Sp (y) of Sp (x, y, z) and the Z coordinate Sp (z), Z of Sm1 (x, y, z). From coordinates Sm1 (z), ⁇ s and ⁇ d
  • the Z coordinate Sm1 (z) of Sm1 (x, y, z) is derived from the Z coordinate Mir (z) and ⁇ m of Mir (x, y, z).
  • FIG. 3 is a second diagram for explaining the arrangement conditions of the separation sensor 30.
  • the calculation of the Y coordinate Sm0 (y) and the Z coordinate Sm0 (z) of the position Sm0 (x, y, z) where the measured light 31 enters the mirror 40 is shown. Since the coordinates and angles shown in FIG. 3 are the same as those in FIG. 2, detailed description thereof is omitted here.
  • the Y coordinate Sm1 (y) of Sm0 (x, y, z) is the Y coordinate Sp (y) of Sp (x, y, z) and the Z coordinate Sp (z), Z of Sm1 (x, y, z). From coordinates Sm1 (z), ⁇ s and ⁇ d
  • the Z coordinate Sm1 (z) of Sm1 (x, y, z) is derived from the Z coordinate Mir (z) and ⁇ m of Mir (x, y, z).
  • FIG. 4 is a third diagram for explaining the arrangement conditions of the separation sensor 30.
  • FIG. 4 shows calculation of distances in the Y direction between the positions Sm0 and Sm1 where the measurement light beams 31 and 33 are incident on the mirror 40 and Sv0 and Sv1. Since the coordinates and angles shown in FIG. 4 are the same as those in FIG. 2, a detailed description thereof is omitted here.
  • Y coordinate Sv1 (y) of Sv1 (x, y, z) is obtained from Y coordinate Sm1 (y), Z coordinate Sm1 (z), and ⁇ r1 of Sm1 (x, y, z).
  • Equation (9) the first term on the right side of Equation (9) is indicated by an arrow E in FIG. Also, in the reflection by the mirror, the incident angle and the reflection angle are equal, so ⁇ r1 is
  • Y coordinate Sv0 (y) of Sv1 (x, y, z) is calculated from Y coordinate Sm0 (y), Z coordinate Sm0 (z), and ⁇ r0 of Sm0 (x, y, z).
  • FIG. 5 is a fourth diagram for explaining the arrangement conditions of the separation sensor 30.
  • the calculation of the X coordinate Sv4 (x) of Sv4 (x, y, z) is shown.
  • the horizontal axis indicates the X direction. Since the coordinates and angles shown in FIG. 5 other than the horizontal axis are the same as those in FIG. 2, a detailed description thereof is omitted here.
  • the X coordinate Sv4 (x) of Sv4 (x, y, z) is a sin component of the optical path length of the measuring light 32.
  • the moving distance in the Z direction of Sv4 which is the sum of the line segments indicated by arrows G and H, becomes a cos component of the optical path length of the measured light 32.
  • the X coordinate Sv4 (x) of Sv4 (x, y, z) is the tan of the movement distance in the Z direction of Sv4 (x, y, z)
  • the length Lg of the line segment G and the line segment H From the length Lh
  • FIG. 6 is a fifth diagram for explaining the arrangement conditions of the separation sensor 30.
  • the calculation of the length of the line segment G and the line segment H of FIG. 5 used for calculation of the X coordinate Sv4 (x) of Sv4 (x, y, z) is shown.
  • the coordinates, angles, and the like shown in FIG. 6 are the same as those in FIG.
  • the length Lg of the line segment G is the length Lg of the line segment G.
  • Sv4 is the apex of the side close to the casing 10
  • the Y coordinate Sv4 (y) and the Z coordinate Sv4 (z) of Sv4 indicate the Y coordinate Sv1 (y) of Sv1 indicating one point Sv1 of the side close to the casing 10.
  • the Z coordinate Sv1 (z) Since Sv2 is the vertex of the side far from the housing 10, the Y coordinate Sv2 (y) and the Z coordinate Sv2 (z) of Sv2 are the Y coordinate Sv0 of Sv0 indicating one point Sv0 of the side far from the housing 10. (Y) and Z coordinate Sv0 (z) are the same.
  • the coordinates of Sv3 and Sv5 are calculated in the same manner as the coordinates of Sv2 and Sv4.
  • the separation sensor is arranged not in the mirror support member but in the housing, the size of the mirror support member can be reduced, so that the user is less likely to feel pressure. can do.
  • the separation sensor 30 is disposed on the back surface of the housing 10 opposite to the projection surface 103, and the mirror has a minimum area that can reflect the projection light and the separation light. For this reason, in the electronic device according to the embodiment, the measurement light emitted from the measurement sensor is not reflected by the mirror and directly returned to the measurement sensor, and the detection sensitivity of the measurement sensor is unlikely to decrease.
  • the mirror 40 has a minimum area capable of reflecting the projection light and the measurement light.
  • the area of the mirror can be increased in a range in which the distance measurement light emitted from the distance measurement sensor is not reflected by the mirror and directly incident on the distance measurement sensor. That is, in the electronic device according to the embodiment, the rear end of the mirror moves within a range in which the measurement light emitted from the measurement sensor is not reflected by the mirror and directly enters the measurement sensor, thereby reducing the area of the mirror. Can be bigger.
  • FIG. 7 is a diagram for explaining the arrangement conditions of the distance measuring sensor and the mirror when the distance measuring light emitted from the distance measuring sensor is reflected by the mirror and directly enters the distance measuring sensor.
  • the measurement light emitted from the arrangement position SP (x, y, z) of the separation sensor 30 is reflected by the mirror 40 and directly enters the arrangement position SP (x, y, z) of the measurement sensor 30.
  • the calculation of the coordinates MI (x, y, z) of the mirror 40 is shown. Since the coordinates and angles shown in FIG. 7 are the same as those in FIG. 2, detailed description thereof is omitted here.
  • the coordinates MI (x, y, z) of the mirror 40 directly incident on the distance measuring sensor 30 are coordinates where the incident angle and the reflection angle of the distance measuring light to the mirror 40 are both zero, that is, the distance measured by the distance measuring sensor 30.
  • the coordinates at which light enters the mirror 40 perpendicularly and reflects.
  • the Y coordinate MI (y) of MI (x, y, z) is the Y coordinate Sp (y) of Sp (x, y, z), the Z coordinate Sp (z), and the Z coordinate of MI (x, y, z). From coordinates MI (z) and ⁇ m
  • the Z coordinate MI (z) of MI (x, y, z) is the Z coordinate Mir (z) of Mir (x, y, z) and the Y coordinate MI (y) of MI (x, y, z). And from ⁇ m
  • the mirror is arranged so as not to include the coordinates MI (x, y, z) of the directly incident mirror 40 calculated by the equations (24) to (26).
  • the mirror support member 11 is fixed and supported by the pair of arms 12 and 13 to the housing 10.
  • the mirror support member is mounted on the housing 10. You may be supported so that rotation is possible.
  • FIG. 8A is a side view of a first state of the electronic device according to the modified example
  • FIG. 8B is a side view of the second state of the electronic device according to the modified example.
  • the interactive projector 2 is different from the interactive projector 1 in that the interactive projector 2 includes an arm rotation device 14, a separation sensor rotation device 15, and a shielding portion 16.
  • the configuration and functions of the constituent elements of the interactive projector 2 other than the arm rotation device 14, the separation sensor rotation device 15, and the shielding portion 16 are the configurations and functions of the constituent elements of the interactive projector 1 denoted by the same reference numerals. The detailed description is omitted here.
  • the arm rotation device 14 rotatably supports the pair of arms 12 and 13 and fixes the arms 12 and 13 at a position where a user (not shown) has rotated the arms 12 and 13. Further, the arm rotation device 14 transmits the angle when the arm portions 12 and 13 are fixed to the separation sensor rotation device 15 and the shielding unit 16.
  • the separation sensor rotation device 15 uses the equations (1) to (21) and the like so that the separation area includes the projection area according to the angle when the arm portions 12 and 13 are fixed. The angle 30 is calculated, and the separation sensor 30 is rotated according to the calculated angle.
  • the shielding part 16 is provided on the surface of the mirror 40 so as to be extendable and contractible. According to the angle of the arm portions 12 and 13 fixed by the arm rotation device 14, the shielding portion 16 may reflect the measurement light emitted from the measurement sensor 30 by the mirror and directly enter the measurement sensor 30. Covers the area of the mirror 40 where there is. In one example, the shielding unit 16 covers the coordinates MI (x, y, z) of the directly incident mirror 40 calculated by the equations (24) to (26).
  • the arm portion that supports the mirror support member is rotatable, the position and size of the projection plane and the separation area can be adjusted.
  • the projection plane and the measurement area can be adjusted according to the installation environment and usage state, so that usability can be improved.
  • the shape of the housing, the arm, the mirror support member, and the arrangement of the photographing device and the distance measurement sensor in the housing are not limited to those shown in the interactive projectors 1 and 2. Absent.
  • the electronic device according to the embodiment may have the shape shown in FIGS.
  • FIG. 9 is a perspective view of an example of the electronic device according to the embodiment
  • FIG. 10 is another perspective view of the electronic device shown in FIG. 9, and
  • FIG. 11 is a front view of the electronic device shown in FIG. 12 is a rear view of the electronic device shown in FIG. 13 is a left side view of the electronic device shown in FIG. 9,
  • FIG. 14 is a right side view of the electronic device shown in FIG. 9,
  • FIG. 15 is a plan view of the electronic device shown in FIG.
  • FIG. 10 is a bottom view of the electronic device shown in FIG. 9.
  • the projection device 20 is disposed in a concave portion formed on the upper left side of the front surface of the housing 10, the separation sensor 30 is disposed in a convex portion formed on the back surface of the housing 10, and the mirror 40 is supported by the mirror. It is arranged over the entire back surface of the member 11.
  • the arms 12 and 13 have a curved shape so as to spread outward as it goes upward. Since the projection unit 20 is disposed at a position shifted to the left side from the center of the housing 10, the arm unit 12 has a shape that is larger than the arm unit 13.
  • the separation sensor 30 is disposed on the back surface of the housing 10 opposite to the projection surface 103.
  • the separation sensor is disposed in the housing so as to be positioned parallel to the projection device or behind the projection device with respect to the side extending in the width direction of the housing on the projection surface. Just do it. That is, in the electronic device according to the embodiment, the distance measurement sensor only needs to be disposed at a position where the distance to the projection region is equal to the projection device or a position farther from the projection device.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)

Abstract

Le but de la présente invention est de mettre en œuvre un dispositif électronique qui présente un faible risque qu'un utilisateur qui utilise ce dernier se sente confiné, sans dégrader la sensibilité de détection d'un capteur de mesure de distance. L'invention porte sur un dispositif électronique 1, comprenant un dispositif de projection 20, une partie réfléchissante 40 et un capteur de mesure de distance 30. La partie réfléchissante 40 est positionnée au-dessus d'un corps de boîtier, et réfléchit sur une région de projection 104 une lumière projetée que le dispositif de projection 20 a émise. Le capteur de mesure de distance 30 est positionné sur le corps de boîtier 10, et émet sur la partie réfléchissante 40 une lumière de mesure de distance pour mesurer la distance par rapport à un objet qui est situé dans une région de mesure de distance 105. Le capteur de mesure de distance 30 est positionné dans un emplacement qui est parallèle ou à l'arrière du dispositif de projection 20 par rapport à la région de projection 104. Le capteur de mesure de distance 30 est positionné à un angle dans lequel une région de mesure de distance 105 inclut l'intégralité de la région de projection 104 et dans lequel l'angle d'inclinaison entre l'axe optique de la lumière de mesure de distance qui est émise par le capteur de mesure de distance 30 et une normale d'un plan de projection 103 est inférieur ou égal à un angle de référence. La partie réfléchissante 40 est positionnée de telle sorte que la lumière de mesure de distance qui est émise par le capteur de mesure de distance 30 est réfléchie, mais n'entre pas directement dans le capteur de mesure de distance 30.
PCT/JP2015/069466 2015-07-06 2015-07-06 Dispositif électronique WO2017006422A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/069466 WO2017006422A1 (fr) 2015-07-06 2015-07-06 Dispositif électronique

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Application Number Priority Date Filing Date Title
PCT/JP2015/069466 WO2017006422A1 (fr) 2015-07-06 2015-07-06 Dispositif électronique

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1124839A (ja) * 1997-07-07 1999-01-29 Sony Corp 情報入力装置
JP2007514242A (ja) * 2003-12-09 2007-05-31 マシュー ベル、 内蔵型インタラクティブ・ビデオ・ディスプレイ・システム
JP2014204196A (ja) * 2013-04-02 2014-10-27 富士通株式会社 インタラクティブプロジェクタ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1124839A (ja) * 1997-07-07 1999-01-29 Sony Corp 情報入力装置
JP2007514242A (ja) * 2003-12-09 2007-05-31 マシュー ベル、 内蔵型インタラクティブ・ビデオ・ディスプレイ・システム
JP2014204196A (ja) * 2013-04-02 2014-10-27 富士通株式会社 インタラクティブプロジェクタ

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