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    • 4. 发明专利
    • MAN CONVEYOR
    • JPH06211475A
    • 1994-08-02
    • JP644093
    • 1993-01-19
    • HITACHI LTD
    • SAITO CHUICHITAKAHASHI YOSHINORITAKAHASHI TATSUHIKO
    • B66B21/06B66B23/02
    • PURPOSE:To flexibly correspond to the floor height of a building and to simplify installation of a man conveyor by arranging each of large and small diametrical pulleys on both end parts in the longitudinal direction of an endless belt formed in a sector form and connecting an elastic body to the small diametrical pulley as well as connecting a motor to the large diametrical pulley. CONSTITUTION:The endless belt 1 of a half spiral type man conveyor is formed in a sector form with width W required for conveying a passenger and having each of specified radiuses R1, R2 on both inside and outside. Thereafter, a large diametrical pulley 2 is arranged on one end on the inside of the endless belt 1, and by connecting an elastic body 4 to its axis 3, tensile force is given to the endless belt 1. Conversely, by arranging a small diametrical pulley 5 to the other end on the inside of the endless belt 1, a motor 7 is connected to its axis 6. In this way, the half spiral type man conveyor is constituted independently drivable. Additionally, by continuously arranging a plural number of the half spiral type man conveyors of the same configuration as required in accordance with the floor height of a building, a man conveyor of a spiral locus can be constructed.
    • 7. 发明专利
    • PROGRAMMABLE SEQUENCE CONTROLLER
    • JPS63223902A
    • 1988-09-19
    • JP5655287
    • 1987-03-13
    • HITACHI LTD
    • TAKAHASHI YOSHINORIKASAHARA TOSHIRO
    • G05B23/02G05B19/02G05B19/048G05B19/05
    • PURPOSE:To reduce the power consumption by turning off a signal to a pilot lamp or cutting off a power source, when a setting means is turned off forcibly, in a process for transmitting and displaying an input state from a signal input terminal, on the pilot lamp, or in a process for displaying a result of operation from an arithmetic means. CONSTITUTION:An input signal from a terminal 1 is changed to a TTL signal by a buffer circuit 3 and inputted to an arithmetic means 5 through a gate 4 and a parallel I/O bus 16, but in this case, in a process for transmitting the signal to the gate 4, it is changed to a serial signal by a parallel-serial converting circuit 8, and subsequently, brought to a parallel conversion by a latch 11 and displayed on a pilot lamp 13. When the display is unnecessary, the lamp is turned off by turning on a setting means 30 and clearing the latch 11. Also, when an output from the means 5 has been transmitted to a user program storage means 6, this output is sent to a gate 17 through the bus 16, converted to a serial one by a converting circuit 21 and the lamp is turned on through a shift register 23 and a latch 24, and it is turned off by the means 30 or cutting off a power source in the same way.