Abstract: A light ray radiation device for use in the medical treatment of the ear comprises an optical conductor cable, an elongated light radiator, a pair of light radiator holders, and a fixing means. The optical conductor cable transmite therethrough the light rays corresponding to the visible light ray components of the sun or an artificial light source having the wave length distribution of the light rays near the sun's rays. The elongated light radiator is removably connected with the light-emitting end of the optical conductor cable for uniformly discharging the light rays transmitted through the optical conductor cable. The pair of light radiator holders holds the light radiator so as to be able to move the same in the direction of the axis and covers the concha. And the fixing means such as a band or the like fixes the pair of light radiator holders by causing them to press against each other.

Abstract: A light rays radiation device for administering oral medical treatment to a person's gums that has a light ray radiating tool attachably and removably connected with the light ray emitting end-portion of an optical conductor cable through which the light rays corresponding to the visible light ray components of solar rays are transmitted to the light ray radiation tool. The light ray radiation tool has a mouthpiece having a transparent curved surface corresponding to the shape of the gums and a large number of optical fibers imbedded in the mouthpiece. The large number of optical fibers are constructed in such a manner that the end portions thereof are placed over the entire area of the transparent curved surface so as to be opposite the gum area and the other-side portions thereof are capable of being connected with the light ray emitting end portion of the optical conductor cable.

Abstract: A fire alarm system is installed in a building containing therein a large number of rooms such as inns, hotels, office buildings and the like. The system comprises fire detectors, microphones and speakers installed in different rooms and connected to an administration room, so that when one of the fire detectors is put into operation, the microphone and the speaker turn on and inform the administration room of the operation of the fire detector. A conversation can be exchanged between the administration room and the room in which the fire detector is put into operation.

Abstract: A rainbow creating device comprises optical conductors through which light rays consisting of visible light ray components are transmitted. A lens is placed opposite the respective light-emitting ends of the optical conductors for converting the light rays emitted from them to parallel light rays. Prisms are placed for receiving the parallel light rays from the lens and for effecting the spectroscopic separation of the parallel light rays.

Abstract: A lens-holding apparatus used for holding a hexagonal lens and for fixing the light receiving end of an optical conductor at the focal point of the lens includes a frame body having a hexagonal portion on at least a part thereof, a hexagonal lens tightly inserted into the hexagonal portion, and an optical conductor cable fixing mechanism for fixing the light-receiving end of the optical conductor at the focal point of the lens on another portion of the frame body. The hexagonal portion comprises six side surfaces, every other one of which has two slits formed symmetrically in relation to the center line of each side surface in the longitudinal direction for mounting the lens thereon and a tongue piece formed between both slits. The lens is tightly inserted into the hexagonal portion and held therein by means of a tongue piece for pressing the lens.

Abstract: A solar ray energy radiation device for use in medical treatment, comprises a transparent or semi-transparent cylindrical member, a cover member for closing off one end surface of the cylindrical member, a covering cap member put on another end of the cylindrical member so as to be removed from and attached to the same, and an optical conductor cable having a light ray emitting end mounted on the cover member. Solar ray energy transmitted through the optical conductor cable is radiated from the light ray emitting end thereof into the cylindrical member and further radiated onto a medical treatment area by bringing the covering cap member into contact with the medical treatment area.

Abstract: A light rays radiation device for medical treatment, or providing beauty treatment or health promotion etc. comprises an optical conductor for transmitting therethrough light rays corresponding to the visible light rays component of solar rays, a lens for focusing the light rays emitted from the optical conductor, the lens being mounted so as to oppose the light rays emitting end of the optical conductor, a holder member for unitarily holding the light rays emitting end of the optical conductor and the lens, and a vertically-suspended guide bar capable of moving the lens and the light-rays emitting end of the optical conductor in a vertical axial direction and fixing both of them at an optional position.

Abstract: A lens for collecting solar rays or artificial light rays having light rays' component near to that of the solar rays. In particular, the lens capable of effectively separating and focusing only the light component of a desired wave length among the solar rays' components or the artificial light rays' components.The lens has a light intercepting member on the central part thereof, and the circumferential part thereof is formed so as to perform a lens function.

Abstract: A sash plate used for inserting a cable into a room from out of doors. The plate comprises a single thin plate having an upper and lower part with both sides formed as part of a sash's construction and a cable inserting plate of the same width as that of the plate member and having on the upper and lower parts a groove for inserting and firmly fixing the plate member. The plate further has on the approximately central portion a hole for inserting a cable and having on the side portion a notch. The plate member is formed such that the plate member is shorter than the actual length of the sash by an integer of the actual length of the cable inserting plate. An optional desired portion of the plate member is being cut off, and inserted into and firmly fixed onto the groove in order to form a plate of a certain length.

Abstract: A light ray radiation stand comprises a foundation, one or more deformable flexible conduits vertically installed on the upper part of the foundation and an optical conductor cable holding means mounted on the tip end portion of each conduit. The optical conductor cable transmits the light rays therethrough and emits the same from the end portion.

Abstract: A light ray radiation device for use in medical treatment of the nose and throat pasages. The device comprises an optical conductor cable or transmitting therethrough light rays corresponding to the visible light ray components of the sun's rays, an elongated light radiator removably connected with the light-emitting end of the optical conductor cable for radiating the light rays transmitted through the optical conductor cable uniformly in the radial direction of the light radiator, and a light radiator holding member through which the light radiator is inserted and which has a ventilating hole.

Abstract: A visible light ray radiation device for use in medical treatment comprises one large optical conductor cable having many smaller optical conductor cables within it, a hollow, transparent, resilient, skirted member, and an air-suction member. The large optical cable is unbound at the end side of it into many smaller optical conductor cables. The skirted member is attached to the end of each smaller optical conductor cable. An air-suction member is attached respectively to each transparent member in order to reduce the inner pressure of the transparent member when the transparent member is attached to the areas of the skin to be cured.

Abstract: An optical radiator for diffusingly radiating sunlight emitted from an optical-conductor cable for the purpose of illumination. In order to illuminate a sufficiently wide region surrounding the optical-conductor cable, a cladding layer of the optical-conductor cable located in the region to be illuminated is excised, and the outer surface of the thus exposed core of the optical-conductor cable is topically covered by a fine grain adhesive with a refractive index equal to or greater than that of said core. The resulting adhesive elements are relatively densely distributed toward a downstream direction and thinly distributed upstream, or the adhering area of the elements is selected to be smaller upstream and larger downstream.

Abstract: A device for directing light energy to a predetermined area in the sea, is disclosed. The device comprises an optical means for capturing light energy and a plurality of optical fibers, a length of said optical fibers which are bound together in an optical fiber cable, each of said fibers having a beam inlet portion and a beam outlet portion, said beam outlet portion being arranged in the atmosphere so that light beams above the surface of the sea are captured, said fiber beam outlets being distributively arranged in the sea for providing said light energy to a predetermined area.

Abstract: A solar ray collecting device comprises a light ray collecting device and a light ray reflecting device. The light ray collecting device comprises an optical lens and an optical conductor cable which has a light-receiving end placed at the light-focusing position of the optical lens and transmits the light energy arriving at the optical lens. The light ray reflecting device is located at a position apart from the light ray collecting device for reflecting the solar rays and for focusing the same onto the light ray collecting device.

Abstract: A light ray radiation device for use in medical treatment comprises an optical conductor cable, through which light rays corresponding to the visible light ray components of solar rays are transmitted. An elongated light radiator removably connected with the light-emitting end of the optical conductor cable, from which the light rays transmitted through the optical conductor cable, are almost uniformly discharged outside thereof. And a transparent cover member consisting of an almost hat-shaped elastic body, tightly covering the light radiator removably therefrom and which spreads out at its base portion.

Abstract: A bed employed for use in light bathing. The bed comprises a transparent cloth stretched thereon and optical conductors arranged on the underside of the cloth. The optical conductors are arranged in such a manner that the light rays transmitted therethrough are radiated outside of the optical conductors and pass through the transparent cloth.

Abstract: A flying object for collecting solar rays comprises a disk-shaped flying body equipped with floating and propelling means installed at the outer circumferential portions thereof. The flying object can detect its direction of flight and keep its position constant by means of the plural floating and propelling means. In addition, the flying object has a solar ray collecting device, equipped with solar ray collecting lenses. The solar rays collected by the solar ray collecting device are guided through an optical conductor cable into the flying object.

Abstract: A solar ray energy radiation device for use in medical treatment comprises a transparent or semi-transparent cylindrical member, a cover member for closing off one end surface of the cylindrical member, and an optical conductor cable having a light ray emitting end placed on the central portion of the cover member. The solar ray energy transmitted through the optical conductor cable is radiated from the light ray emitting end into the cylindrical member. An open-ended side of the cylindrical member faces a medical treatment area. A part of the inner circumferential surface of the cylindrical member, on which the blue-colored visible light ray components of the light rays emitted from the optical conductor cable impinge, has a reflection surface provided on a ring-like shape or a ring-shaped member which is slidably disposed on the outer circumferential portion of the cylindrical member, the ring shaped member having an inner or outer circumferential surface formed as a reflection surface.

Abstract: A solar ray energy radiating device for use in medical treatment. The device comprises an upper plate having a hole through which the light-emitting end of an optical conductor cable is inserted at the approximate central portion of the upper plate, a diffused reflecting type liquid-crystal plate being disposed so as to oppose the light-emitting end of the optical conductor cable, and a frame body for unitarily mounting thereon the upper plate and the diffused reflecting type liquid-crystal plate. The light ray energy passing through the liquid-crystal plate is controlled by changing the voltage applied thereto.