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    • 7. 发明专利
    • ELECTRIC LAMP EXCHANGE TOOL
    • JPH01220329A
    • 1989-09-04
    • JP4369988
    • 1988-02-26
    • NIPPO DENKI KK
    • NAKAHARA YASUHISA
    • H01J3/32H01K3/32
    • PURPOSE:To improve workability as well as durability by providing the metal- made engaging part engaging with a non-cylindrical shape cross section of an electric lamp to a retaining tool, and providing a lamp shade holding tool having plural holding pieces to the other end of a supporting rod. CONSTITUTION:A metal-made engaging part 22a, engaging with the vicinity of the root of the glass tube 1a of an electric lamp 1 having a non-cylindrical shape cross section, is provided to a retaining tool 22 provided to the one end 21a of a supporting rod 21. A lamp shade holding tool 24 is fixed to the other end 21b of the rod 21, and the tool 24 has two holding pieces 24a parallely extending in the oblique direction from the extension direction of the rod 21 with the interval holdable the one end of the shade 3. When the opening 3a of the shade 3 faces to an oblique direction, at first the rod 21 is handled with the one end of the shade 3 held using the tool 24, and the opening 3a is made to face downward. Then the lamp 1 is removed from a socket 2 by rotating the rod 21 with the lamp 1 retained with the tool 22 with the rod 21 shifted from one end to the other.
    • 10. 发明专利
    • WINDING DEFLECTION YOKE
    • JPS551001A
    • 1980-01-07
    • JP2094378
    • 1978-02-27
    • HITACHI LTD
    • MARUYAMA TAKESUKESHIMIZU TOSHIHARUOKUYAMA NORITAKANIITSU ICHIROU
    • H01J9/236H01J3/32H01J29/76
    • PURPOSE:To improve a characteristic of distortion of the picture, by applying a deflection yoke, in which the coil is wound on a magnetic unit within surfaces, that include a rotary shaft, while diagonally placing a center axis of the magnetic unit at a constant degree of angle with respect to the rotary shaft further while rotating the magnetic unit with the rotary shaft being the center. CONSTITUTION:A magnetic material half unit 6' of semitubular trumpet-shape, being made with a magnetic unit of tubular trumpet-shape divided into two halves, is so installed to a support jig 12 that a center axis 10 of the magnetic unit and a rotary shaft 9 of the support jig 12 may be in a prescribed degree of angle theta, to each other. And the support jig 12 and the magnetic half unit 6' are rotated with the rotary shaft 9 being the center, while gradually shifting a position of the magnetic half unit 6' toward the rotational direction, further with a winding nozzle 8 rotated with a rotary shaft 7 being the center, a winding conductor 13 is rolled on the magnetic half unit 6'. In such way, by applying deflection yoke, with a vertical deflecting coil provided having a small winding angle at the picture side and a large winding angle at the electron gun side, a picture distortion characteristic of the television receiver is improved.