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Hitachi Computer Control (elevator)

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Hitachi Computer Control (US patent: 4350225) was a traction elevator model made by Hitachi.

Overview

Hitachi Computer Control elevator was the first computerized traction elevator system of Hitachi introduced in 1982[1]. These elevators doesn't use mechanical relays, instead, they use either Direct Current Silicon Controlled Rectifier (DC-SCR, for high-rise only) or Alternating Current Variable Voltage (AC-VV, for low-rise or mid-rise only) microcomputer controllers. Not much known about these elevators. They were produced until around mid 1990s when they were replaced with the Alternating Current Variable Voltage Variable Frequency/AC-VVVF model.

Notable installations

Indonesia

  • Pasaraya Grande - Building A, Jakarta (1986)
  • Metropolitan Medical Centre (MMC), Jakarta (1987)
  • Wahana Tata Insurance Building, Kuningan, Jakarta
  • Fujifilm Building, Matraman, Jakarta (modernized by Hitachi in 2016)

Singapore

  • North Bridge Centre, Singapore
  • Isetan Wisma Atria, Singapore (1986)

Thailand

ฺBangkok

  • Fortune Town, Bangkok
  • The Sukosol Bangkok
  • Seacon Square, Bangkok
  • Narai Hotel, Bangkok
  • Seacon Bangkae, Bangkok
  • The Mall Bangkae, Bangkok
  • Major Cineplex Pinklao, Bangkok
  • Maneeya Center, Bangkok
  • Robinson Sukhumvit, Bangkok
  • Asia Hotel Bangkok
  • The Mall Bangkapi, Bangkok
  • Fashion Island, Bangkok
  • Zenith Sukhumvit Hotel, Bangkok
  • King Mongkut's University of Technology (KMUTT), Bangkok
    • Central Building 2
    • Central Building 3
    • Central Building 4
    • Central Building 5
    • School of Liberal Arts
    • Continuous Education Center
  • Tawana Hotel, Bangkok
  • Silom Plaza, Bangkok
  • Sukhumvit Plaza, Bangkok
  • Robinson Sukhumvit, Bangkok
  • Maneeya Center, Bangkok
  • Tongtara Hotel Riverside, Bangkok
  • King Royal Garden Inn, Bangkok
  • Srifuangfung Building, Bangkok
  • YWCA Tower, Bangkok
  • Chulalongkorn University
    • Mahittalathibet Building
  • Millennium Hilton Bangkok
  • Thaniya Plaza, Bangkok (BTS Wing)
  • Panjapat Building, Bangkok
  • Boonmitr Building, Bangkok
  • Sriboonruang Building 1, Bangkok
  • Sriboonruang Building 2, Bangkok
  • Sivadol Building, Bangkok
  • Asoke Towers, Bangkok

Other cities

  • The Mall Ngamwongwan, Nonthaburi (Main elevators)
  • Pantip Plaza Ngamwongwan, Nonthaburi
  • CentralPlaza Rattanathibet, Nonthaburi (Main elevators)
  • Future Park Rangsit, Pathumthani
  • Zeer Rangsit, Pathumthani
  • Diana Shopping Complex, Hat Yai, Songkhla
  • Robinson Hat Yai, Songkhla

Hong Kong

  • Hau Wo Court, Kennedy Town (1986)
  • Wah Fat Mansion, Wan Chai (1987)
  • Kwong Fai Mansion, Mong Kok (1987)
  • Po Wah Building, Shau Kei Wan (1985)
  • Hentiff Building,Prince Edward,Mong Kok (1992)
  • Jie Yang Building, Wan Chai (1993)
  • Fu Loy Garden, Yuen Long (1988)

Trivia

  • Most elevators installed in the mid 1980s, except those installed in the early 1990s have the name "Computer Control" on the car floor indicator above the landing doors.
  • Most elevators installed from the mid 1980s to the early 1990s have floor indicators with flashing red LED lamp when the car moves.
  • Another similar elevator system like this was also manufactured by Toshiba in the mid 1980s[2].

Gallery

Videos

Old Hitachi Traction Elevator at Ginza Plaza 58, Tokyo01:43

Old Hitachi Traction Elevator at Ginza Plaza 58, Tokyo

Mid 1980s Hitachi Computer Control elevator found in Ginza Plaza 58, Tokyo, Japan.

西環堅尼地城厚威閣日立升降機01:58

西環堅尼地城厚威閣日立升降機

Mid 1980s Hitachi Computer Control elevator found in Hong Kong which are using electronic floor indicator

Hitachi Traction Elevator Narai Hotel01:21

Hitachi Traction Elevator Narai Hotel

Early 1990s Hitachi Computer Control elevator found in Narai Hotel, Bangkok, Thailand (video: Ta Garavigo).

Notes and references

External links

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