Abstract: To provide an absorption promotor that is capable of improving the efficiency in absorption of a pharmaceutical drug and that is highly stable, an absorption promotor includes an oxa acid having a structure represented by the formula (1) below, where R1 represents a linear or branched hydrocarbon group having 1 to 40 carbon atoms, one or more but not all carbon atoms of which hydrocarbon group have optionally been substituted by an oxygen atom, a nitrogen atom, or a sulfur atom, the hydrocarbon group being saturated or unsaturated; m represents a real number of 0 to 50; n represents an integer of 1 to 5; and —C(?O)—X represents a functional group capable of chemical reaction.

Abstract: An image projection device includes: a light source emitting a light beam; an image input unit inputting image data; a control unit generating an image light beam based on the input image data, and controlling emission of the image light beam from the light source; a scan unit scanning the image light beam emitted from the light source; and a projection optical member illuminating a retina of an eyeball of a user with the image light beam scanned by the scan unit, and projecting an image onto the retina, wherein a diameter of the image light beam at a time when the image light beam enters a cornea of the eyeball is not smaller than 310 ?m and not larger than 800 ?m, and a user having an original visual acuity in a range of 0.04 to 1.2 has an acquired visual acuity of 0.4 or higher.

Abstract: An image projection device includes: one light source unit emitting an image light beam, which forms an image, of visible light and a checking light beam of visible light; an optical system projecting the image light beam emitted from emitted from the one light source unit onto a first surface region of an eye of a user to project the image light beam onto a retina of the user, and projecting the checking light beam emitted from the one light source unit onto a second surface region, which is distant from the first surface region, of the eye of the user; a light detector detecting a reflected light that is the checking light beam reflected by the eye of the user; and a controller controlling at least one of the one light source unit and the optical stem based on a detection result of the reflected light by the light detector.

Abstract: Provided is an acrylic polymer composition comprising an acrylic polymer and a polyfunctional organic compound having a urea group, wherein the acrylic polymer composition has less than 50% decrease in molecular weight of the acrylic polymer when heated under conditions of 190° C. and 144 hours in air.

Abstract: A scanning laser ophthalmoscope may include: a light source configured to emit laser light; a scanner configured to scan the laser light emitted from the light source two-dimensionally; a guide mirror configured to guide the laser light scanned by the scanner to a fundus of an eye of a subject; a guide mirror holder configured to hold the guide mirror in a predetermined positional relationship with the eye of the subject; a light receiver configured to receive reflected light of the laser light reflected on the fundus; and an image generator configured to generate a fundus image based on the reflected light received by the light receiver. The guide mirror may be disposed on a path connecting the scanner and the fundus of the eye of the subject, and disposed in front of the eye of the subject. The scanner may be disposed at the guide mirror holder.

Abstract: A terminal device (300) includes a projection target holding unit that holds projection information to be projected by an image projection device (200), a storage unit that stores position information indicating a position on the retina of a user (P) at which the projection information is to be projected, a position information acquisition unit that acquires the position information from the storage unit, an image data generation unit that generates image data (D) of an image (202G) that projects the projection information at the position indicated by the position information, and an image output processing unit that outputs the image data (D) to the image projection device (200).

Abstract: A terminal device (300) includes a projection target holding unit that holds projection information to be projected by an image projection device (200), a storage unit that stores position information indicating a position on the retina of a user (P) at which the projection information is to be projected, a position information acquisition unit that acquires the position information from the storage unit, an image data generation unit that generates image data (D) of an image (202G) that projects the projection information at the position indicated by the position information, and an image output processing unit that outputs the image data (D) to the image projection device (200).

Abstract: A terminal device includes an image data holding unit that holds examination image data, an image output processing unit that outputs the examination image data to a visual field/visual acuity examination device, a display unit that displays an image, and a display control unit that generates an examination image based on the examination image data and displays the examination image on the display unit. The visual field/visual acuity examination device includes a light source unit that emits a light beam, an image input unit that inputs the examination image data from the terminal device, a control unit that generates an image light beam based on the input examination image data and controls emission of the image light beam from the light source unit, a scanning mirror that scans the image light beam to generate an examination image light beam, and a projection unit that projects the examination image light beam as the examination image on an eyeball of a test subject.

Abstract: Provided is an acrylic polymer composition comprising an acrylic polymer and a polyfunctional organic compound having an amide group, wherein the cross-linkable acrylic polymer composition has less than 50% decrease in molecular weight of the acrylic polymer when heated under conditions of 190° C. and 144 hours in air.

Abstract: Provided is an acrylic polymer composition comprising an acrylic polymer and a polyfunctional organic compound represented by the following general formula (1): (in the general formula (1), R4 and R2 are each independently a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, R3 and R4 are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms, and k is an integer of 1 or larger).

Abstract: Provided is an acrylic polymer composition comprising an acrylic polymer and a polyfunctional organic compound represented by the following general formula (1): (in the general formula (1), R4 and R2 are each independently a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; R3 and R4 are each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms; and k is an integer of 1 or larger).

Abstract: An image projection device includes: a projection unit that projects an image light beam forming an image onto a pupil of an eyeball of a user to project the image onto a retina of the eyeball; a detection unit that detects a direction in which the pupil has moved relative to a face of the user and a speed of movement of the pupil; and a control unit that performs different controls of the image when the pupil has moved at different speeds in a same direction.

Abstract: An image projection device includes: a projection unit that irradiates a pupil 40 of an eyeball 36 of a user with an image light beam 34a forming an image to project the image onto a retina 38 of the eyeball; a detection unit that detects a direction 52 in which the pupil has moved relative to a face of the user; and a control unit that controls the projection unit based on a detected direction in which the pupil has moved so that the pupil is irradiated with the image light beam and the image is moved in a direction opposite to the direction in which the pupil has moved with respect to a position on which the image has been projected before a move of the pupil in a coordinate system visually recognized by the user.

Abstract: The present invention is an image projection device that includes: a light source 12 that emits a laser beam 34; a scanning mirror 14 that two-dimensionally scans the laser beam 34 emitted from the light source 12; and a projection mirror 24 that projects scanned light onto a retina 26 of an eyeball 22 of a user to project an image onto the retina 26, the scanned light being composed of the laser beam 34 that has been scanned by the scanning mirror 14, wherein the laser beam 34 emitted from the light source 12 is scanned by using a part of an operating range of the scanning mirror 14.

Abstract: A receiving circuit includes a plurality input nodes to receive an input signals and an output node to output a signal corresponding to the input signal. An amplifier in the circuit has an input terminal and an output terminal. A first switch selectively connects one of the input nodes to the input terminal of the amplifier. A second switch selectively connects the one of the input nodes to the output node. A controller supplies control signals to the first switch and the second switch. An impedance matching section is connected between the input nodes and the amplifier.

Abstract: The present invention is an image projection device that includes: a light source 12 that emits a laser beam 34; a scanning mirror 14 that two-dimensionally scans the laser beam 34 emitted from the light source 12; and a projection mirror 24 that projects scanned light onto a retina 26 of an eyeball 22 of a user to project an image onto the retina 26, the scanned light being composed of the laser beam 34 that has been scanned by the scanning mirror 14, wherein the laser beam 34 emitted from the light source 12 is scanned by using a part of an operating range of the scanning mirror 14.

Abstract: The present display device is a retinal scan display device including: a projection optical system configured to project an image to a retina of an eye; a distortion correcting unit configured to correct a distortion of the image; an image inverting unit configured to invert the image; and a storage unit configured to store correction data for correcting the distortion of the image when the image is projected to a left eye and correction data for correcting the distortion of the image when the image is projected to a right eye, wherein, based on a switching signal that represents that a side at which the projection optical system is arranged has been switched from one eye side to the other eye side, the distortion correcting unit performs distortion correction, by switching from correction data corresponding to one eye to correction data corresponding to the other eye, and the image inverting unit performs image inversion.

Abstract: An image projection device includes: a first mirror oscillating to scan an image light beam forming an image projected onto a retina of a user; a light source emitting the image light beam and a detection light beam to the first mirror at different timings; a second mirror having a first region reflecting-the image light beam reflected by the first mirror to the retina and a second region reflecting the detection light beam reflected by the first mirror in a direction different from a direction in which the image light beam is reflected, and scanning neither the image light beam nor the detection light beam reflected by the first mirror; a detector detecting the detection light beam reflected by the second region; and a controller adjusting oscillation of the first mirror and an emission timing of the image light beam based on a detection result by the detector.

Abstract: An image projection device includes: one light source unit emitting an image light beam, which forms an image, of visible light and a checking light beam of visible light; an optical system projecting the image light beam emitted from the one light source unit onto a first surface region of an eye of a user to project the image light beam onto a retina of the user, and projecting the checking light beam emitted from the one light source unit onto a second surface region, which is distant from the first surface region, of the eye of the user; a light detector detecting a reflected light that is the checking light beam reflected by the eye of the user; and a controller controlling at least one of the one light source unit and the optical system based on a detection result of the reflected light by the light detector.

Abstract: A receiving circuit includes a plurality input nodes to receive an input signals and an output node to output a signal corresponding to the input signal. An amplifier in the circuit has an input terminal and an output terminal. A first switch selectively connects one of the input nodes to the input terminal of the amplifier. A second switch selectively connects the one of the input nodes to the output node. A controller supplies control signals to the first switch and the second switch. An impedance matching section is connected between the input nodes and the amplifier.