US Patent 7891466 Elevator apparatus for emergency braking
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Patent abstract
In an elevator apparatus, a brake device stops a car from running. The brake device has a brake control portion for controlling a braking force generated at a time of emergency braking to adjust a deceleration of the car, and a timer circuit for invalidating the control of the braking force performed by the brake control portion after a lapse of a predetermined time from a moment when an emergency braking command is generated.
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Patent Inventor Names
Ken-Ichi Okamoto0
Masunori Shibata0
Satoru Takahashi0
Takaharu Ueda0
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US Patent 07891466 Elevator apparatus for emergency braking US Patent 7891466 Elevator apparatus for emergency braking
Infobox
Patent Number
078914660
Patent Number
78914660
Edits on 26 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
078914660
Date of Patent
February 22, 2011
0Patent Application Number
117941980
Date Filed
March 17, 2006
0Official Website
Patent Primary Examiner
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US Patent 07891466 Elevator apparatus for emergency braking
Infobox
Is a
Patent jurisdiction
Patent number
07891466
Date of patent
February 22, 2011
Patent application number
11794198
Date Filed
March 17, 2006
Patent primary examiner
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