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    • 2. 发明专利
    • HIGH EFFICIENCY COMPACT SPEAKER
    • JP2000278784A
    • 2000-10-06
    • JP13039899
    • 1999-03-23
    • NAKAMATSU YOSHIRO
    • NAKAMATSU YOSHIRO
    • H04R1/30G10K11/02
    • PROBLEM TO BE SOLVED: To improve the quality of sound and to easily execute processing and working by forming a sound passage by two plates, arranging a reflector for refracting the sound passage by a specific angle in front of the speaker and setting an interval between two plates large enough to insert the reflector. SOLUTION: An exponential partition 9 is arranged between upper and lower plates 8 whose external form is flat and square and a spiral sound passage 10 is formed from a sound source 1 up to an aperture 3 for radiating sound. Thereby sound from the sound source 1 passes through the sound passage 10 gradually spread exponentially or hyperbolically and is radiated from the aperture 3 which amplifies sound. The reflector for refracting the sound passage 10 by almost 90 deg. is arranged in front of the speaker. When a diaphragm of the sound source 1 is vertically set, sound is horizontally radiated into the sound passage, or when the diaphragm is turned downward, the sound is turned to the horizontal direction by a 45 deg. reflector and sent to the horizontal sound passage 10. When the sound passage 10 is bent in the vertical direction and superposed and the superposed face is utilized as a partition 9, the sound passage 10 is extended in accordance with the number of superposed stages.
    • 4. 发明专利
    • HIGH-EFFICIENCY DRIVER
    • JPH0919175A
    • 1997-01-17
    • JP15469996
    • 1996-05-14
    • NAKAMATSU YOSHIRO
    • NAKAMATSU YOSHIRO
    • H01L31/04H02K11/00H02N6/00
    • PROBLEM TO BE SOLVED: To obtain a driving force with high efficiency by providing a radiant energy charging part for a case where cells are not irradiated, and using movement produced by the irradiation of iradiant energy as a driving force. SOLUTION: Cells 13 are arranged on divided-into-three circles having a center at a shaft 3, and magnetic poles 5 having coils 4 for causing their currents to flow are provided corresponding to the cells arranged on the divided- into-three circles. And a cylindrical permanent magnet 6 which rotates around the shaft 3 as a center by attraction or repulsion corresponding to the magnetic poles 5, is provided. And cells 14 to be always irradiated perform charge/ discharge by a capacitor or battery 11, and a rectifier diode 12. But the cells 13 and 14 are connected in series in the same current direction, and the direction of the current of one of three coils 4 becomes opposite when a mask rotates, and a three-phase AC is generated, and a rotating magnetic field is generated by the coils 4 and the magnetic poles 5. Consequently, the magnet 6 and the mask 7 continue to rotate and make a motor which produces a driving force from the shaft 3. As the result, it becomes possible to turn the DC output of the cells completely into a high-frequency driving force.
    • 5. 发明专利
    • TRIVET DISASTER PREVENTING KIT
    • JPH08215329A
    • 1996-08-27
    • JP6851295
    • 1995-02-17
    • NAKAMATSU YOSHIRO
    • NAKAMATSU YOSHIRO
    • A62B99/00F24S20/30A62B37/00F24J2/02
    • PURPOSE: To serve a disaster preventing kit as a kit for body protection from breakdown and a falling material also as a utensil for meal by serving a solar light collecting part, a helmet which protects the head, a rainwater reservoir tank and a cooking pan also as a seat part. CONSTITUTION: A disaster preventing kit main body 1 is formed in a container with parabolic curved surface shell, and its internal face 2 is formed in a surface of stainless steel, plating or grinding, etc., with superior reflection for light and heat. Knobs 3 or holes 4 are formed on two sides, and a chin strap, the supporting wire or bar 5 of a center pan are mounted on them. A cushioning material 6 is put in the inside, which works as the cushioning material for shock by a falling material when a person wears it on the head. Cooking is performed by facing the main body 1 with the direction of the sun setting in a reverse direction, collecting the light and heat of solar light 8 on a focal point 9, and holding the pan 10 with a supporting lever or string 5. The string 5 works as the chin strap when the person wears the pan on the head. Also, the pan is used as a reservoir tank for rainwater, etc., by using in the reverse direction.
    • 8. 发明专利
    • BOUNCING LUMINANT
    • JPH07157758A
    • 1995-06-20
    • JP34377093
    • 1993-12-07
    • NAKAMATSU YOSHIRO
    • NAKAMATSU YOSHIRO
    • A47K7/00C09K11/56
    • PURPOSE:To obtain the small-sized and inexpensive luminant capable of sufficiently cleaning an ear due to its ability to take in light energy of the outside even during cleaning the ear and strongly emit light in application thereof to an earpick, etc., by connecting plural luminous parts with an optical path. CONSTITUTION:This bouncing luminant has plural luminous parts and an optical path connecting the parts. Specifically, in the case of, e.g. an earpick, the earpick body is formed of a transparent acrylic resin, etc., and earpick parts 2 and 3 at both ends thereof are formed of the acrylic resin, etc., containing a luminous unit 5 prepared by mixing 0.01-1% Mn, etc., as an activator in calcium sulfide, etc. Thereby, when the earpick parts 2 and 3 are preilluminated with light, the luminous unit 5 accumulates light energy to emit the phosphoresence itself. The light from the earpick parts 2 and 3 passes through the optical path composed of a transparent gripping part 4 to mutually bounce. As a result, light is strongly emitted.
    • 9. 发明专利
    • MOVING VIRTUAL DISPLAY DEVICE
    • JPH06301349A
    • 1994-10-28
    • JP11890793
    • 1993-04-12
    • NAKAMATSU YOSHIRO
    • NAKAMATSU YOSHIRO
    • G09F13/20G09F9/33G09F13/04G09F13/22
    • PURPOSE:To display images large in area with the extremely small, light and inexpensive device by controlling the position and time of flickering of respective luminous bodies during movement and expressing the virtual images of area expression by the after-image phenomenon of the eyes. CONSTITUTION:The plural luminous bodies 2, such as LEDs, are supported on a bar-shaped body 1. An electric circuit and batteries for controlling the light emission of the plural luminous bodies 2 are housed in a grip 3. This circuit is electrically wired to the plural luminous bodies 2 so as to change over the time T and the position P for light emission of the luminous bodies 2 according to time. The flickering light rays of the LEDs are widened in area by a swinging angular speed A, i.e., the lapse of the time T when a user holds the grip 3 and swings the grip laterally around his wrist 4' as the axis of rotation. The images of characters 7 are then connected and manifested by the after-images of the eyes. Then, viwers are able to view the virtual images in area static or during movement while looking forward by the combinations of the movement and time, angular speed and light emission position of the luminous bodies 2.