IL98347A0 - Accelerometer with flexure isolation - Google Patents

Accelerometer with flexure isolation

Info

Publication number
IL98347A0
IL98347A0 IL98347A IL9834791A IL98347A0 IL 98347 A0 IL98347 A0 IL 98347A0 IL 98347 A IL98347 A IL 98347A IL 9834791 A IL9834791 A IL 9834791A IL 98347 A0 IL98347 A0 IL 98347A0
Authority
IL
Israel
Prior art keywords
accelerometer
flexure
isolation
flexure isolation
Prior art date
Application number
IL98347A
Other languages
English (en)
Original Assignee
Sundstrand Data Control
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 Sundstrand Data Control filed Critical Sundstrand Data Control
Publication of IL98347A0 publication Critical patent/IL98347A0/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/13—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position
    • G01P15/132—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position with electromagnetic counterbalancing means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P2015/0805—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration
    • G01P2015/0822—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass
    • G01P2015/0825—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass for one single degree of freedom of movement of the mass
    • G01P2015/0828—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass for one single degree of freedom of movement of the mass the mass being of the paddle type being suspended at one of its longitudinal ends

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Pressure Sensors (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
IL98347A 1990-06-11 1991-06-03 Accelerometer with flexure isolation IL98347A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53578590A 1990-06-11 1990-06-11

Publications (1)

Publication Number Publication Date
IL98347A0 true IL98347A0 (en) 1992-07-15

Family

ID=24135757

Family Applications (1)

Application Number Title Priority Date Filing Date
IL98347A IL98347A0 (en) 1990-06-11 1991-06-03 Accelerometer with flexure isolation

Country Status (6)

Country Link
US (1) US5287744A (xx)
EP (1) EP0486657B1 (xx)
JP (1) JP3142292B2 (xx)
DE (1) DE69106326T2 (xx)
IL (1) IL98347A0 (xx)
WO (1) WO1991019986A1 (xx)

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US5594170A (en) * 1994-06-15 1997-01-14 Alliedsignal Inc. Kip cancellation in a pendulous silicon accelerometer
JPH08315532A (ja) * 1995-03-08 1996-11-29 Hutchinson Technol Inc 溶接応力の分離構造体を備えるヘッドサスペンションアセンブリ
US5620840A (en) * 1995-12-19 1997-04-15 Eastman Kodak Company High bromide tabular grain emulsions improved by peptizer selection
US6512647B1 (en) 1999-08-27 2003-01-28 Seagate Technology Llc Method and apparatus for adaptive tuning bias current for magnetoresistive head
US7194903B2 (en) * 2004-12-14 2007-03-27 Honeywell International Inc. Suspension mechanism for high performance accelerometers
US20070246665A1 (en) * 2006-04-20 2007-10-25 Lafond Peter H Mechanical isolation for mems devices
US20090205424A1 (en) * 2008-02-15 2009-08-20 Honeywell International Inc. Flexure type accelerometer and method of making same
US20120073067A1 (en) * 2010-09-23 2012-03-29 Ronald Borgese Golf ball cleaner
IL215656A0 (en) 2011-10-10 2011-11-30 Israel Aerospace Ind Ltd Accelerometer
CN102528291B (zh) * 2011-12-30 2014-08-20 航天科工惯性技术有限公司 一种降低摆片激光切割损伤的方法
US11527121B2 (en) 2013-03-15 2022-12-13 August Home, Inc. Door lock system with contact sensor
US9695616B2 (en) 2013-03-15 2017-07-04 August Home, Inc. Intelligent door lock system and vibration/tapping sensing device to lock or unlock a door
US10388094B2 (en) 2013-03-15 2019-08-20 August Home Inc. Intelligent door lock system with notification to user regarding battery status
US9818247B2 (en) 2015-06-05 2017-11-14 August Home, Inc. Intelligent door lock system with keypad
US9725927B1 (en) 2014-03-12 2017-08-08 August Home, Inc. System for intelligent door knob (handle)
US11441332B2 (en) 2013-03-15 2022-09-13 August Home, Inc. Mesh of cameras communicating with each other to follow a delivery agent within a dwelling
US10181232B2 (en) 2013-03-15 2019-01-15 August Home, Inc. Wireless access control system and methods for intelligent door lock system
US10443266B2 (en) 2013-03-15 2019-10-15 August Home, Inc. Intelligent door lock system with manual operation and push notification
US11421445B2 (en) 2013-03-15 2022-08-23 August Home, Inc. Smart lock device with near field communication
US9706365B2 (en) 2013-03-15 2017-07-11 August Home, Inc. BLE/WiFi bridge that detects signal strength of bluetooth LE devices at an interior of a dwelling
US9704314B2 (en) 2014-08-13 2017-07-11 August Home, Inc. BLE/WiFi bridge that detects signal strength of Bluetooth LE devices at an exterior of a dwelling
US9326094B2 (en) 2013-03-15 2016-04-26 August Home, Inc. BLE/WiFi bridge with audio sensor
US9528294B2 (en) 2013-03-15 2016-12-27 August Home, Inc. Intelligent door lock system with a torque limitor
US11352812B2 (en) 2013-03-15 2022-06-07 August Home, Inc. Door lock system coupled to an image capture device
US11072945B2 (en) 2013-03-15 2021-07-27 August Home, Inc. Video recording triggered by a smart lock device
US9916746B2 (en) 2013-03-15 2018-03-13 August Home, Inc. Security system coupled to a door lock system
US9528296B1 (en) 2013-03-15 2016-12-27 August Home, Inc. Off center drive mechanism for thumb turning lock system for intelligent door system
US9447609B2 (en) 2013-03-15 2016-09-20 August Home, Inc. Mobile device that detects tappings/vibrations which are used to lock or unlock a door
US9359794B2 (en) 2014-03-12 2016-06-07 August Home, Inc. Method for operating an intelligent door knob
US10140828B2 (en) 2015-06-04 2018-11-27 August Home, Inc. Intelligent door lock system with camera and motion detector
US11043055B2 (en) 2013-03-15 2021-06-22 August Home, Inc. Door lock system with contact sensor
US9922481B2 (en) 2014-03-12 2018-03-20 August Home, Inc. Intelligent door lock system with third party secured access to a dwelling
US9574372B2 (en) 2013-03-15 2017-02-21 August Home, Inc. Intelligent door lock system that minimizes inertia applied to components
US10691953B2 (en) 2013-03-15 2020-06-23 August Home, Inc. Door lock system with one or more virtual fences
US9382739B1 (en) 2013-03-15 2016-07-05 August Home, Inc. Determining right or left hand side door installation
US11802422B2 (en) 2013-03-15 2023-10-31 August Home, Inc. Video recording triggered by a smart lock device
US9658244B2 (en) 2014-07-08 2017-05-23 Honeywell International Inc. Reducing hysteresis effects in accelerometer
WO2016109807A1 (en) 2015-01-02 2016-07-07 Hello, Inc. Room monitoring device and sleep analysis
US10401378B2 (en) * 2015-10-21 2019-09-03 Honeywell International Inc. Accelerometer
US11109234B2 (en) 2018-06-15 2021-08-31 Proxy, Inc. Reader device with sensor streaming data and methods
US11411735B2 (en) 2018-06-15 2022-08-09 Proxy, Inc. Methods and apparatus for authorizing and providing of distributed goods or services
US11438767B2 (en) 2018-06-15 2022-09-06 Proxy, Inc. Methods and apparatus for preauthorizing reader devices
US11546728B2 (en) 2018-06-15 2023-01-03 Proxy, Inc. Methods and apparatus for presence sensing reporting
US11462095B2 (en) 2018-06-15 2022-10-04 Proxy, Inc. Facility control methods and apparatus
US20200028841A1 (en) 2018-06-15 2020-01-23 Proxy, Inc. Method and apparatus for providing multiple user credentials
IL301391A (en) 2020-09-17 2023-05-01 Assa Abloy Inc Magnetic sensor for lock mode
AU2021347522A1 (en) 2020-09-25 2023-04-27 Assa Abloy Australia Pty Limited Door lock with magnetometers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182187A (en) * 1978-04-24 1980-01-08 Sundstrand Data Control, Inc. Force balancing assembly for transducers
US4250757A (en) * 1979-11-05 1981-02-17 Sundstrand Data Control, Inc. Movable element with position sensing means for transducers
EP0268351B1 (en) * 1986-08-25 1991-10-23 Richard A. Hanson Proof mass suspension assembly for an accelerometer
US4766768A (en) * 1987-10-22 1988-08-30 Sundstrand Data Control, Inc. Accelerometer with isolator for common mode inputs
US4932258A (en) * 1988-06-29 1990-06-12 Sundstrand Data Control, Inc. Stress compensated transducer

Also Published As

Publication number Publication date
US5287744A (en) 1994-02-22
WO1991019986A1 (en) 1991-12-26
EP0486657B1 (en) 1994-12-28
EP0486657A4 (en) 1993-02-24
EP0486657A1 (en) 1992-05-27
DE69106326T2 (de) 1995-05-11
JPH05505467A (ja) 1993-08-12
JP3142292B2 (ja) 2001-03-07
DE69106326D1 (de) 1995-02-09

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