Abstract: A lens device with which a network can be pulled out from a lens main body and connected to an operation terminal is provided. The lens device for capturing an optical image includes: a lens mechanism for forming the optical image, the lens mechanism being built into a lens main body; a drive control unit for drive-controlling the lens mechanism, the drive control unit being built into the lens main body; a central processing unit that outputs a drive control signal to the drive control unit; and a network that forms a power supply interface for the lens main body, and a communication interface for the central processing unit. Thereby, the lens and the operation terminal are connected via the network, so that it is possible to expand the connection mode between the lens and the operation terminal to an n-to-one or n-to-n connection mode.

Abstract: The present invention provides a method for manufacturing a dispersion in which a substance, which is poorly soluble in a dispersion medium, is dispersed with a particle size of a nano-order level. More particularly, the method includes: preparing a solution containing a good solvent and the poorly soluble substance and the surfactant dissolved in the good solvent; rapidly cooling the solution to a temperature at which the poorly soluble substance precipitates in the solution at a temperature lowering rate of 100 to 4,000° C./second to produce ultrafine particles with a particle size of a nano-order level formed of the poorly soluble substance in the good solvent; and (i) separating the good solvent from a mixed solution of the solution and the dispersion medium after mixing the solution and the dispersion medium, or (ii) mixing the dispersion medium to the solution after separating the good solvent from the solution.

Abstract: The present invention is provided with a four-wavelength light emitter that emits four kinds of wavelengths of light toward a predetermined site on a living body; a light receiver that receives the four kinds of wavelengths of light transmitted through the predetermined site on the living body; a received light intensity information acquirer that acquires received light intensity information for the four wavelengths on the basis of an optical signal received by the light receiver; an absorbance time change value acquirer that finds time change values of the absorbances corresponding to the four wavelengths on the basis of the received light intensity information of the four wavelengths; a calibration data table that stores calibration data for finding a predetermined component in blood based on the absorbance time change values; and a component concentration acquirer that finds the concentration of the predetermined component in the blood.

Abstract: It is an object of the present invention to provide a Janus nanoparticle, into which a drug can be encapsulated by a simple method, and a method for producing the same. According to the present invention, provided is a method for producing a Janus nanoparticle having a particle diameter of 0.01 to 5000 ?m, which is composed of a lipid and a polymer, wherein the method comprises: a step of emulsifying a solution of one or more types of lipids and one or more types of polymers dissolved in a common solvent in an aqueous solution of a surfactant(s); and a step of removing the common solvent from the obtained emulsion.

Abstract: There is provided a zoom lens, consisting of sequentially from an object side: a first lens group having a positive refractive power and a focusing function; a second lens group having a negative refractive power and having a variator function of performing zooming; a third lens group having a positive refractive power and a diaphragm; a fourth lens group having a positive refractive power, and having a compensator function of correcting a position of an imaging plane at the time of zooming; and a fifth lens group having a positive or negative refractive power, wherein the second lens group is moved to the imaging plane side from the object side along an optical axis, and the fourth lens group is moved along the optical axis in a state of fixing the first lens group, the third lens group, and the fifth lens group at the time of zooming from a wide angle end to a telephoto end, and only the first lens group is moved along the optical axis at the time of focusing.

Abstract: A substrate of a control unit is composed of a flexible circuit, a microcomputer is provided on the flexible circuit, and a control unit is provided so as to extend along an outer edge of a lens body. Pulse motors are used for zoom adjustment and focus adjustment, and a drive voltage is applied directly from the flexible circuit to an input terminal of each of the pulse motors. The microcomputer of the control unit is connected to an external control device via a serial communication line, and configured to control the respective pulse motors of the CCTV lens on the basis of a command from the external control device.