Invention Grant
- Patent Title: Hybrid altimeter for measuring vertical velocity
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Application No.: US15688188Application Date: 2017-08-28
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Publication No.: US10578639B2Publication Date: 2020-03-03
- Inventor: Craig Drew Bogli , Daryl J. Marvin , Benjamin J. Watson , Arthur T. Grondine , Marcin Wroblewski
- Applicant: Otis Elevator Company
- Applicant Address: US CT Farmington
- Assignee: OTIS ELEVATOR COMPANY
- Current Assignee: OTIS ELEVATOR COMPANY
- Current Assignee Address: US CT Farmington
- Agency: Cantor Colburn LLP
- Main IPC: G01P7/00
- IPC: G01P7/00 ; B66B1/34 ; B66B5/00 ; G01C21/16 ; G01C5/06

Abstract:
An electronic speed detection system is provided. The electronic speed detection system includes an accelerometer coupled to a moving object and a hybrid altimeter, which includes a first pressure sensor coupled to the moving object and a second pressure sensor. The electronic speed detection system also includes a controller comprising a memory and a processor. The memory storing computer program instructions executable by the processor to cause the electronic speed detection system to determine a normalized position based on first inputs received from the hybrid altimeter, or determine a corrected velocity position based on a second input received from the accelerometer and the normalized position.
Public/Granted literature
- US20190064199A1 HYBRID ALTIMETER FOR MEASURING VERTICAL VELOCITY Public/Granted day:2019-02-28
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