Abstract: A light ray radiation device for use in medical treatment having optical conductor cables which transmit light rays corresponding to the visible light ray components of solar rays needs an optical conductor cable supporting stand. The stand comprises an upright pole fixedly mounted on a fixing pedestal, a supporting fixture slidably and rotatably attached to the upright pole, a supporting arm fixed the supporting fixture and perpendicular the upright pole, and fixedly mounted members which are slidably and rotatably mounted onto the supporting arm. The fixedly mounted members being comprised of cable receiving portions unitarily attached thereto which intersect the supporting arm and support the optical conductor cables.

Abstract: A solar ray energy radiation device for use in medical treatment which comprises one or more optical conductor cables through which solar ray energy is transmitted. A light projector is installed at the end portion of the optical conductor cables, along with a control box for controlling the position of the light projector and a light sensor which is disposed in the light projector. The light sensor detects the solar ray energy emitted from the optical conductor cable, and the distance between the light projector and an object to be radiated is controlled on the basis of the detection value obtained by the light sensor.

Abstract: An endoscope or insertion tool for guiding radiation light rays for use in medical treatment is removably connected with a light rays emitting end portion of an optical conductor cable through which light rays corresponding to the visible light rays component of solar rays are transmitted. The endoscope comprises a transparent or semitransparent fine elongated tube having a closed tip end portion, the elongated tube having a light filter therein adjacent to the connecting portion to be connected with the optical conductor cable.

Abstract: A light ray radiating device for effectively dispersing light ray energy emitted from an optical conductor cable into a direct-light ray component and into an indirect-light ray component in order to cultivate plants more effectively. 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 lower plate composed of a light diffusing and reflecting liquid-crystal plate is disposed so as to be opposed to the light-emitting end of the optical conductor cable, a frame body for unitarily mounting thereon the upper plate and the lower plate, and an intermediate plate having a light ray passing portion at the central part thereof and mounted on the frame body between the upper plate and the lower plate. The light ray energy passing through the lower plate composed of the liquid-crystal plate is controlled by changing the voltage applied thereto.

Abstract: A light radiator comprises a cylindrical optical conductor rod in which light rays are guided into the optical conductor rod from one end portion or both end portions thereof. The guided light rays into the optical conductor rod are radiated from the optical conductor rod in a radial direction. The optical conductor rod is divided into plural pieces in radical direction along its center line as a common line and the respective division surfaces are provided with a reflection surface.

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 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 is facing the treatment area in order to administer solar ray energy onto a person receiving treatment. The cylindrical member is comprised of at least two cylindrical portions which are capable of sliding telescopically within one another in the direction of the axis of the cylindrical member.

Abstract: A solar energy accumulator arrangement including a plurality of optical systems for focusing the sunlight and a fluid passage in a transparent body which is disposed such that it passes through, or in the vicinity of, the optical systems, the fluid passage receiving an induction substance which induces a photochemical reaction by light energy and accumulates the energy.

Abstract: A solar rays radiation device for medical treatment includes an automatic solar rays collecting and transmitting device on an automobile. Solar rays collected by the automatic solar rays collecting and transmitting device are transmitted through an optical conductor cable into the automobile and emitted from the end portion of the optical conductor cable to treat a person in the automobile.

Abstract: A light rays radiation cloth for medical treatment comprises a flexible basic sheet plate, a large number of optical fibers arranged on one surface of the basic sheet plate, and a light rays connector for supplying light rays to the optical fibers. The optical fibers comprise respectively a light rays emitting portion for emitting the light rays transmitted through the optical fibers to the outside of the same at the half way points of the light rays transmitting route. The light rays are emitted almost uniformly from one surface of the basic sheet plate.

Abstract: Lighting by the sunlight is available in every space in a building, even those spaces which have been hardly utilized such as the basement and ground water pit. The sunlight is collected and guided by optical cables to light radiators which are located in intended spaces of a building. The basement has a cistern for water therein to afford a shelter in the case of emergency, while the ground water pit which is also lighted by the conducted sunshine is usable to cultivate fish, plants, and other foodstuffs. The building is annular except for its first floor so that a cylindrical open space is defined thereinside and also lighted by the sunlight, thereby introducing the sunlight even into the radially innermost spaces of the sunlight.

Abstract: A photoradiator includes a notch at an axial end or in the periphery thereof in order to radiate light which propagates therethrough. Light is radiated in a desired direction and in a desired quantity at the notch. Even the optical property of the light radiated from the photoradiator may be varied for a desired application.

Abstract: A light conducting member transmits optical energy which is incident on one end thereof. The member is made up of a number of integrated light conducting cables which define the light incidence end of the member at one ends thereof. Each light conducting cable is formed in a truncated hexagonal pyramid or formed to define at least three surfaces thereof. The light incidence end of the light conductor is formed flat or to constitute part of a spherical surface or part of a conical surface.

Abstract: A light radiator unitarily comprising a movable light source corresponding to the direct solar rays and a fixed light source corresponding to the indirect solar rays. The light radiator comprises a transparent inner cylinder, a transparent outer cylinder accommodating the inner cylinder, and a light source device for guiding approximately parallel light rays into the inner cylinder and the outer cylinder from at least one end portion thereof. The inner cylinder contains therein dispersedly at a predetermined distance transparent bodies or semitransparent bodies for reflecting the light rays guided into the inner cylinder from the end portion thereof. A runner having a reflection surface for reflecting the light rays guided from the end portion is provided in a space between the inner cylinder and the outer cylinder.

Abstract: Light radiator for diffusing and radiating light rays which have been transmitted through an optical cable comprises a transparent cylinder, an optical conductor for guiding light rays into the cylinder, an optical means movably accommodated in the cylinder for reflecting the light rays guided into the cylinder and radiating the light rays outside of it, and a driving means for moving the optical means along the axis of the cylinder. The driving means comprises optical oil in the cylinder and a liquid pump having one end communicating with one end of the cylinder and another end communicating with the other end of the cylinder.

Abstract: A photoradiator has a light conducting rod and a casing which surrounds the rod to define an annular space therebetween. Disposed in the annular space are transparent members which are engaged with both the light transparent members which are engaged with both the light conducting rod and the casing in order to effectively radiate light, which propagates through the light conducting rod. The tranparent members comprise rods arranged parallel to the light conducting rods, rings coaxially surrounding the light conducting rod, a combination of such rods and rings, a pack of small pieces, or bars extending parallel to the light conducting rod and having a generally triangular cross-section. The transparent members are dimensioned and arranged to set up an even distribution of light throughout the length of the light conducting rod.

Abstract: A photoradiator includes a notch at an axial end or in the periphery thereof in order to radiate light which propagates therethrough. Light is radiated in a desired direction and in a desired quantity at the notch. Even the optical property of the light radiated from the photoradiator may be varied for a desired application.

Abstract: An artificial light source device in which the light rays from a light source lamp are converted to parallel light rays by means of a parabola reflection mirror and the parallel light rays are guided into an optical conductor rod; and furthermore, the output light rays from the optical rod are guided into an optical conductor cable, and the output light rays from the optical conductor cable are employed as the light source. The light-receiving edge of the optical conductor cable is inclined in relation to the direction of the light rays' propagation. In addition, a filtering film capable of letting a pre-selected light component pass through the light-receiving edge surface and of reflecting other pre-selected light components is provided thereon.

Abstract: A photoradiator includes a notch at an axial end or in the periphery thereof in order to radiate light which propagates therethrough. Light is radiated in a desired direction and in a desired quantity at the notch. Even the optical propery of the light radiated from the photoradiator may be varied for a desired application.

Abstract: A photosynthetic reaction bath has thereinside a number of photoradiators in the form of narrow upright tubes. A baffle plate is disposed below the photoradiators and is formed with a number of apertures therethrough in a predetermined area thereof which may be a radially central area or a generally annular peripheral area. Co.sub.2 -containing air is fed into the reaction bath through the apertures in the baffle plate to circulate along a predetermined path inside the reaction bath due to the remaining non-apertured part of the baffle plate. The function of the baffle plate may be performed by plugging which blocks the passage of the air through the spacings between the lower ends of the adjacent photoradiators in the predetermined area. The circulation of the air may be caused more positively along a variable path by a rotor which is positioned below the photoradiators and rotatable by ejecting the air while supplying it to the interior of the reaction bath.

Abstract: An arrangement for effectively distributing light from a first or main light conducting member into a second or branch light conducting member is disclosed. The second light conductor is movable relative to the first to selectively receive light therefrom. The first light conductor is formed with a radial bore in which the second light conductor is movably received. The end face of the second light conductor adjacent to the first light conductor is inclined and finished to mirror surface. The first light conductor has a unique configuration for effective distribution of light and elimination of undesirable fringes in the output light.