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US Patent 7721852 Control device of elevator

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Patent Citations Received
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US Patent 11958722 Virtual sensor for elevator monitoring
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Edits on 31 Oct, 2023
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edited on 31 Oct, 2023
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Patent abstract

In an elevator control apparatus, the presence/absence of an abnormality in an elevator is monitored by an abnormality monitoring portion. The abnormality monitoring portion makes a determination on the presence/absence of an abnormality in the elevator based on information from a sensor, and outputs a signal for stopping a car upon detecting an abnormality. The history of information on the result of determination by the abnormality monitoring portion is recorded in a history information recording portion.

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edited on 25 May, 2023
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US Patent 07721852 Control device of elevator US Patent 7721852 Control device of elevator

Infobox
Patent Number
0772185200
Patent Number
772185200
Edits on 19 May, 2023
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edited on 19 May, 2023
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=0772185200
Edits on 22 Mar, 2023
"Entity importer update"
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edited on 22 Mar, 2023
Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
077218520
Date of Patent
May 25, 2010
0
Patent Application Number
105764650
Date Filed
March 30, 2004
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=077218520
Patent Primary Examiner
‌
Walter Benson
0
Edits on 27 Sep, 2022
"Entity importer update"
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edited on 27 Sep, 2022
Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
077218520
Date of Patent
May 25, 2010
0
Patent Application Number
105764650
Date Filed
March 30, 2004
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=077218520
Patent Primary Examiner
‌
Walter Benson
0
Edits on 18 Jun, 2022
"Entity importer update"
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Golden AI
edited on 18 Jun, 2022
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07721852
Edits on 4 Dec, 2021
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created this topic on 4 Dec, 2021
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 US Patent 07721852 Control device of elevator

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07721852
Date of patent
May 25, 2010
Patent application number
10576465
Date Filed
March 30, 2004
Patent primary examiner
‌
Walter Benson

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