Electricity: motive power systems – Plural diverse motor controls – Motor-reversing
Patent
1994-01-19
1995-04-25
Ro, Bentsu
Electricity: motive power systems
Plural diverse motor controls
Motor-reversing
318286, 318434, 318469, H02P 122, E05F 1508
Patent
active
054102260
ABSTRACT:
A power window apparatus is controlled by comparing present rotational frequency of a motor with a reference value selected depending on a present position of a window glass among plural reference values predetermined at every position of the window glass, supplying an electric current to the motor in the closing direction of a window when the present rotational frequency of the motor is larger than selected reference value, supplying the electric current to the motor in the opening direction of the window when the present rotational frequency is not larger than the selected reference value and the window glass does not arrive in a full-closed position, and cutting the current supply to the motor when the present rotational frequency is not larger than the selected reference value and the window glass arrives in the full-closed position.
REFERENCES:
patent: 4468596 (1984-08-01), Kinzl et al.
patent: 4608637 (1986-08-01), Okuyama et al.
patent: 4983896 (1991-01-01), Sugiyama et al.
patent: 5334876 (1994-08-01), Washeleski et al.
Ito Takeshi
Kato Masaru
Sekiguchi Satoru
Jidosha Denki Kogyo Kabushiki Kaisha
Ro Bentsu
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