GB9023128D0 - Lift - Google Patents

Lift

Info

Publication number
GB9023128D0
GB9023128D0 GB909023128A GB9023128A GB9023128D0 GB 9023128 D0 GB9023128 D0 GB 9023128D0 GB 909023128 A GB909023128 A GB 909023128A GB 9023128 A GB9023128 A GB 9023128A GB 9023128 D0 GB9023128 D0 GB 9023128D0
Authority
GB
United Kingdom
Prior art keywords
lift
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB909023128A
Other versions
GB2239578B (en
GB2239578A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB9023128D0 publication Critical patent/GB9023128D0/en
Publication of GB2239578A publication Critical patent/GB2239578A/en
Application granted granted Critical
Publication of GB2239578B publication Critical patent/GB2239578B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/60—Systems for communication between relatively movable stations, e.g. for communication with lift
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Selective Calling Equipment (AREA)
  • Alarm Systems (AREA)
GB9023128A 1989-10-25 1990-10-24 Lift Expired - Lifetime GB2239578B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1278024A JPH0714787B2 (en) 1989-10-25 1989-10-25 Elevator equipment

Publications (3)

Publication Number Publication Date
GB9023128D0 true GB9023128D0 (en) 1990-12-05
GB2239578A GB2239578A (en) 1991-07-03
GB2239578B GB2239578B (en) 1994-08-17

Family

ID=17591589

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9023128A Expired - Lifetime GB2239578B (en) 1989-10-25 1990-10-24 Lift

Country Status (5)

Country Link
JP (1) JPH0714787B2 (en)
KR (1) KR0175929B1 (en)
GB (1) GB2239578B (en)
HK (1) HK55895A (en)
SG (1) SG28358G (en)

Also Published As

Publication number Publication date
GB2239578B (en) 1994-08-17
HK55895A (en) 1995-04-21
SG28358G (en) 1995-09-18
JPH0714787B2 (en) 1995-02-22
KR0175929B1 (en) 1999-05-15
KR910008988A (en) 1991-05-31
GB2239578A (en) 1991-07-03
JPH03139995A (en) 1991-06-14

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20101023