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    • 4. 发明专利
    • POLARIZED ELECTROMAGNETIC DEVICE
    • JPS57207304A
    • 1982-12-20
    • JP9286081
    • 1981-06-15
    • OMRON TATEISI ELECTRONICS CO
    • AGATAHAMA SHIYUNICHI
    • H01F7/14H01H50/18
    • PURPOSE:To reduce the power consumption in a coil and to obtain high sensitivity of the device when the coil is excited and an armature is rotated, by aiding the rotation of the armature by the magnetic fluxes of two permanent magnets. CONSTITUTION:A stator core 1 is constituted by a base part 1a and four finger parts 1b-1e in an H shaped. The coil 2 is wound around said base part 1a. Meanwhile a yoke 3 is also constituted by a base part 3a and four finger parts 3b-3e. Said core 1 and yoke 3 are arranged in parallel with a specified gap being provided. The armature 4 is arranged in the gap. The two parallel permanent magnets 5 and 6 are connected by a non-magnetic body 7 in the armature. The magnets 5 and 6 are so arranged that the north poles and the south poles are positioned in the opposite directions to each other. They are teetered with an axis 8 as a center. When the coil 2 is excited and the armature is rotated, while the rotation is assisted by the magnetic fluxes of the magnets 5 and 6.
    • 7. 发明专利
    • LEAD FRAME
    • JPS56133858A
    • 1981-10-20
    • JP3706880
    • 1980-03-24
    • OMRON TATEISI ELECTRONICS CO
    • AGATAHAMA SHIYUNICHI
    • H01L23/50H01L23/495
    • PURPOSE:To readily insert the electric circuit connecting portions of terminal pieces of a lead frame into the holes of a printed board by a method wherein in a lead frame where terminal pieces, and the outer frame and the terminal pieces are connected to each other through bridges, after the electric circuit connecting portions have been formed into tapered free ends, the bridges are cut off. CONSTITUTION:In a lead frame B, a plurality of arranged terminal pieces 10 are connected to each other through bridges 11 as well as to an outer frame 12 through bridges 13. The electric circuit connecting portion 14 of each terminal piece 10 is narrow free end having a reinforcing rib in the center, and the end of the electric circuit connecting portion 14 has a tapered shape composed of a circular arc and an oblique angle. Such a lead frame B is punched out, inserted into a molding die to provide a resin molded frame 15, and the bridges 11 and 13 are cut off as shown by broken lines. Thereby, the ends of the connecting portions 14 can be readily inserted into the holes of a printed board, and the strength of the lead frame can be intensified.