Abstract: A printer includes a transport unit that transports continuous paper (P), a medium support unit (20) in which a support surface (20a) that is capable of supporting continuous paper (P) that is transported by a transport unit, and first concave sections (24A and 24B), which are indented from the support surface (20a), are formed, and an image capture unit, which is disposed on a lower side of the support surface (20a), and which captures an image of a lower surface of the continuous paper (P).

Abstract: An electro-optical device includes: a light source which generates a light beams having various angle components; and a first optical element includes a plurality of light guiding materials are bonded to each other via a half mirror layer. The first optical element includes a first surface and a second surface, an incident surface is formed so as to intersect the first surface at a first angle, an emitting surface is formed so as to intersect the first surface at a second angle. A first part of the light is a light reflected by the second surface, and is incident on the emitting surface. The first optical element is formed so that the first part of the light is reflected by the emitting surface, with angles of the first angle and the second angle, and with a refractive index of the plurality of light guiding materials.

Abstract: A virtual image display apparatus includes a diffraction optical member including a diffraction section that directs the orientation of image light based on diffraction toward the position of a viewer's eye and a light transmissive substrate that is disposed in the diffraction section and on the side facing the eye and supports the diffraction section, and an image forming section that outputs the image light toward the diffraction optical member, and the light transmissive substrate is a color separation correcting section that corrects color separation produced by the diffraction section.

Abstract: A beam diameter expanding device includes a first optical element and a second optical element. The first optical element expands a beam diameter of a light beam entering through a first incident face by expanding in a first direction, and emits the expanded light beam from a first emission face. The second optical element expands a beam diameter of the light beam that entered through a second incident face in a state expanded in beam diameter in the first direction by the first optical element, by expanding in a second direction, and emits the expanded light beam from a second emission face. A width of the first incident face in the second direction (the direction of beam diameter expansion by the second optical element) is narrower than a width of the second incident face in the first direction (the direction of beam diameter expansion by the first optical element).

Abstract: In a retinal scanning display device, a scanning section scans a light beam emitted from a light source to form a scanned image. The light beam emitted from the scanning section is expanded in beam width of the light beam in a first direction by a first beam width expander. The first beam width expander includes alternately stacked first partially reflective layers and first light-transmissive layers disposed between a pair of first reflection faces that face each other in the first direction. The plural partially reflective layers include a partially reflective layer having a transmittance exceeding 50%. This enables the light intensity distribution to be appropriately adjusted in the first direction for a light beam expanded in the first direction.

Abstract: A head mounted display device includes a scanning section that forms a scan image by scanning a light beam emitted from a light source, a light guiding optical system that guides the light beam emitted from the scanning section, and a deflection member that deflects the light beam guided by the light guiding optical system toward the eye. The light guiding optical system includes an optical correction system in which a first light path length of a light beam from the scanning section to a first end portion on a nose side of the deflection member is longer than a second light path length of a light beam from the scanning section to a second end portion on an ear side of the deflection member, and that corrects scanning distortion in the scan image which cause a virtual image to have different magnifications in a horizontal direction.

Abstract: The image display device includes an image generating unit that emits first image light, a pupil expanding element that expands a diameter of a light flux included in the first image light from the image generating unit to obtain second image light, a first light condensing optical system that condenses the second image light and forms an intermediate image, and a second light condensing optical system that condenses light from the intermediate image and generates a virtual image on eye of a viewer, in a plane including at least the image generating unit, the pupil expanding element, and the eye of the viewer, a maximum emission angle of the first image light is smaller than a maximum viewing angle of the virtual image, and the diameter of the light flux included in the second image light is greater than that of a light flux included in the virtual image.

Abstract: An image display device is capable of easily adjusting a diopter scale with respect to a virtual image. The image display device includes an image generating unit that emits image light including image information, a first optical system that forms an intermediate image by condensing the image light, a second optical system that guides a virtual image to eyes of a viewer by deflecting the light from the intermediate image, and guides the light to the eyes of the viewer by transmitting external light, and an intermediate image position changing device that adjusts a position of the virtual image in depth direction by changing a position of the intermediate image.

Abstract: A light-transmissive layer and a partially reflective layer are mutually laminated in a luminous flux diameter enlargement element. When manufacturing the luminous flux diameter enlargement element, a light-transmissive first substrate, on which a first reflective layer is formed on a first surface, a light-transmissive second substrate, on which a first partially reflective layer is formed on a first surface, and which is formed so as to have equivalent thickness to the first substrate, and a third substrate, on which a second reflective layer is formed on a first surface, are laminated toward the same direction as a lamination direction of the respective first surfaces.

Abstract: A display device of the embodiment includes an image generating unit which emits a light including an image information, and a light guide optical system which generates an image from the light which is emitted from the image generating unit at a position of an exit pupil, in which the light guide optical system is provided with a first mirror (a first deflection unit) which deflects the light which is emitted from the image generating unit, and a second mirror (a second deflection unit) which further deflects the light which is deflected by the first mirror to guide the light to the position of the exit pupil and transmits a portion of external light, and in which an optical axis of the light which propagates from the first mirror toward the second mirror and an optical axis of the exit pupil form an acute angle.

Abstract: An image display device with which it is possible to visually recognize an image while securing the see-through property regardless of eye movements and changes in interpupillary distance, with which it is possible to display a large-size image with high quality, and which is small, has excellent wearability, and has an excellent external appearance.

Abstract: A printer includes a transport unit that transports continuous paper (P), a medium support unit (20) in which a support surface (20a) that is capable of supporting continuous paper (P) that is transported by a transport unit, and first concave sections (24A and 24B), which are indented from the support surface (20a), are formed, and an image capture unit, which is disposed on a lower side of the support surface (20a), and which captures an image of a lower surface of the continuous paper (P).

Abstract: An optical device which is disposed between a light source section of a display apparatus and a projection target member, includes a first luminous flux diameter enlargement element in which a first light-transmissive layer and a first partially reflective layer are alternately laminated in a first direction, and a second luminous flux diameter enlargement element in which a second light-transmissive layer and a second partially reflective layer are alternately laminated in a second direction intersecting the first direction. The first partially reflective layer and the second partially reflective layer are formed from dielectric multilayered films that have the same film configuration. In addition, the optical device includes a retardation element that is formed from a ½? retardation plate between a first emission surface of the first luminous flux diameter enlargement element and a second incidence surface of the second luminous flux diameter enlargement element.

Abstract: A positioning method of a photoelectric conversion device (an imaging device) includes irradiating an optical member with light and receiving light which passes through an opening of a light shielding member and the optical member with the photoelectric conversion device. The photoelectric conversion device is moved in a direction orthogonal to an optical axis of the optical member and a first position at which the photoelectric conversion device detects a side of an opening and a second position at which the photoelectric conversion device detects another side opposing the side are acquired. A position of the photoelectric conversion device at which a center of the opening and a center position of the photoelectric conversion device are aligned based on the first position and the second position is determined. The photoelectric conversion device is fixed at the determined position.

Abstract: An imaging device includes an imaging unit that includes an imaging element for imaging a lower surface of continuous forms paper, an image processing unit that image-processes an image of the lower surface of the continuous forms paper captured by the imaging unit, a cable that electrically connects the imaging unit and the image processing unit with each other, and an electric box that covers the imaging element, the image processing unit, and the cable and functions as an electromagnetic shield.

Abstract: An optical device which is disposed between a light source section of a display apparatus and a projection target member, includes a first luminous flux diameter enlargement element in which a first light-transmissive layer and a first partially reflective layer are alternately laminated in a first direction, and a second luminous flux diameter enlargement element in which a second light-transmissive layer and a second partially reflective layer are alternately laminated in a second direction intersecting the first direction. The first partially reflective layer and the second partially reflective layer are formed from dielectric multilayered films that have the same film configuration. In addition, the optical device includes a retardation element that is formed from a ½? retardation plate between a first emission surface of the first luminous flux diameter enlargement element and a second incidence surface of the second luminous flux diameter enlargement element.

Abstract: A light-transmissive layer and a partially reflective layer are mutually laminated in a luminous flux diameter enlargement element. When manufacturing the luminous flux diameter enlargement element, a light-transmissive first substrate, on which a first reflective layer is formed on a first surface, a light-transmissive second substrate, on which a first partially reflective layer is formed on a first surface, and which is formed so as to have equivalent thickness to the first substrate, and a third substrate, on which a second reflective layer is formed on a first surface, are laminated toward the same direction as a lamination direction of the respective first surfaces.

Abstract: An imaging unit is provided with a cylindrical lens barrel, and an object-side lens which is disposed in the lens barrel and is fixed to the lens barrel using an adhesive. The lens barrel includes three abutting portions and three adhesive portions. The object-side lens abuts the three abutting portions in an optical axis direction of the object-side lens, and the adhesive portions are formed between an outer circumferential surface of the object-side lens and an inner circumferential surface of the lens barrel, and the adhesive is injected therein. The three adhesive portions are formed at an interval in a circumferential direction. The three adhesive portions and the three abutting portions do not overlap each other in plan view as seen from a vertical direction.

Abstract: A transportation device includes a transportation unit that transports continuous paper, and an image capturing unit that has a light irradiator capable of irradiating the continuous paper which is transported by the transportation unit with light and detects a transportation amount of the continuous paper based on reflected light of the light irradiated onto the continuous paper by the light irradiator. The light irradiator is arranged so as to irradiate the continuous paper with light obliquely with respect to the detection region of the continuous paper from the width direction side of the continuous paper, which is orthogonal to the transportation direction of the continuous paper.

Abstract: An imaging device includes an imaging unit that includes an imaging element for imaging a lower surface of continuous forms paper, an image processing unit that image-processes an image of the lower surface of the continuous forms paper captured by the imaging unit, a cable that electrically connects the imaging unit and the image processing unit with each other, and an electric box that covers the imaging element, the image processing unit, and the cable and functions as an electromagnetic shield.