US20040025564A1 - Drop shock measurement system and acceleration sensor element used in the same - Google Patents

Drop shock measurement system and acceleration sensor element used in the same Download PDF

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Publication number
US20040025564A1
US20040025564A1 US10/398,138 US39813803A US2004025564A1 US 20040025564 A1 US20040025564 A1 US 20040025564A1 US 39813803 A US39813803 A US 39813803A US 2004025564 A1 US2004025564 A1 US 2004025564A1
Authority
US
United States
Prior art keywords
acceleration sensor
sensor element
bimorph
free vibrating
vibrating sections
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.)
Abandoned
Application number
US10/398,138
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English (en)
Inventor
Kazunari Nishihara
Hirofumi Tajika
Koji Nomura
Motoyuki Toji
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.)
Panasonic Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. reassignment MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: NISHIHARA, KAZUNARI, NOMURA, KOJI, TAJIKA, HIROFUMI, TOJI, MOTOYUKI
Priority to US10/769,263 priority Critical patent/US7493818B2/en
Publication of US20040025564A1 publication Critical patent/US20040025564A1/en
Priority to US11/170,333 priority patent/US7275412B2/en
Priority to US11/268,193 priority patent/US20060048575A1/en
Assigned to PANASONIC CORPORATION reassignment PANASONIC CORPORATION CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Abandoned legal-status Critical Current

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    • 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
    • G01P15/0891—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 with indication of predetermined acceleration values
    • 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
    • G01P15/09—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 piezoelectric pick-up
    • G01P15/0922—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 piezoelectric pick-up of the bending or flexing mode type
    • 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
    • G01P15/097—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 vibratory elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02827—Elastic parameters, strength or force
US10/398,138 2001-08-09 2002-08-07 Drop shock measurement system and acceleration sensor element used in the same Abandoned US20040025564A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US10/769,263 US7493818B2 (en) 2001-08-09 2004-01-30 Drop shock measurement system and acceleration sensor element used in the same
US11/170,333 US7275412B2 (en) 2001-08-09 2005-06-29 Drop shock measurement system and acceleration sensor element used in the same
US11/268,193 US20060048575A1 (en) 2001-08-09 2005-11-07 Drop shock measurement system and acceleration sensor element used in the same

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001242871 2001-08-09
JP2001242871 2001-08-09
PCT/JP2002/008053 WO2003016920A1 (fr) 2001-08-09 2002-08-07 Systeme de mesure de chocs de chute et element detecteur d'acceleration utilise dans celui-ci

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/008053 A-371-Of-International WO2003016920A1 (fr) 2001-08-09 2002-08-07 Systeme de mesure de chocs de chute et element detecteur d'acceleration utilise dans celui-ci

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US10/769,263 Division US7493818B2 (en) 2001-08-09 2004-01-30 Drop shock measurement system and acceleration sensor element used in the same

Publications (1)

Publication Number Publication Date
US20040025564A1 true US20040025564A1 (en) 2004-02-12

Family

ID=19073076

Family Applications (3)

Application Number Title Priority Date Filing Date
US10/398,138 Abandoned US20040025564A1 (en) 2001-08-09 2002-08-07 Drop shock measurement system and acceleration sensor element used in the same
US10/769,263 Expired - Fee Related US7493818B2 (en) 2001-08-09 2004-01-30 Drop shock measurement system and acceleration sensor element used in the same
US11/268,193 Abandoned US20060048575A1 (en) 2001-08-09 2005-11-07 Drop shock measurement system and acceleration sensor element used in the same

Family Applications After (2)

Application Number Title Priority Date Filing Date
US10/769,263 Expired - Fee Related US7493818B2 (en) 2001-08-09 2004-01-30 Drop shock measurement system and acceleration sensor element used in the same
US11/268,193 Abandoned US20060048575A1 (en) 2001-08-09 2005-11-07 Drop shock measurement system and acceleration sensor element used in the same

Country Status (6)

Country Link
US (3) US20040025564A1 (fr)
EP (1) EP1416284A4 (fr)
JP (1) JPWO2003016920A1 (fr)
CN (1) CN1258092C (fr)
TW (1) TW546477B (fr)
WO (1) WO2003016920A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200024899A1 (en) * 2017-02-09 2020-01-23 Efaflex Tor- Und Sicherheitssysteme Gmbh & Co. Kg Device for detecting the fall of a door leaf, system for detecting the fall of a door leaf, and method for detecting the fall of a door leaf

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Publication number Priority date Publication date Assignee Title
US7239064B1 (en) 2004-10-15 2007-07-03 Morgan Research Corporation Resettable latching MEMS temperature sensor apparatus and method
CN101754873B (zh) * 2007-07-18 2014-03-05 倍耐力轮胎股份公司 用于在车轮轮胎内产生电能的方法和系统
US8011237B2 (en) * 2008-02-22 2011-09-06 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Piezoelectric module for energy harvesting, such as in a tire pressure monitoring system
US9194883B2 (en) * 2010-02-02 2015-11-24 Aktiebolaget Skf Arrangement of piezo-sensors in accelerometer
JP2011185828A (ja) * 2010-03-10 2011-09-22 Fuji Electric Co Ltd 加速度センサ
US20220005341A1 (en) * 2018-11-07 2022-01-06 World Wide Warranty Life Services Inc. Method and system for detecting presence of a protective case on a portable electronic device during drop impact
KR20200063765A (ko) 2018-11-28 2020-06-05 삼성전자주식회사 전자 장치 및 그의 상황을 감지하는 방법
WO2021072557A1 (fr) 2019-10-18 2021-04-22 World Wide Warranty Life Services Inc. Détection de la présence ou de l'absence d'un boîtier de protection sur un dispositif électronique

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US4625137A (en) * 1983-12-09 1986-11-25 Nippon Telegraph & Telephone Public Corp. Piezoelectric actuator using bimorph element
US6263734B1 (en) * 1998-04-13 2001-07-24 Matsushita Electric Industrial Co., Ltd. Piezoelectric acceleration sensor and method of detecting acceleration and manufacturing method thereof
US6282941B1 (en) * 1996-06-26 2001-09-04 Siemens Aktiengesellschaft Impact detection device, in particular for a motor vehicle
US6343242B1 (en) * 1998-10-19 2002-01-29 Kabushiki Kaisha Yaskawa Denki Protective device for clean robot
US20020174588A1 (en) * 2001-05-24 2002-11-28 R.A. Brands, Llc Firearm orientation and drop sensor system

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JPS5436771A (en) * 1977-08-26 1979-03-17 Shimadzu Corp Vibration detector
JPS55162037A (en) * 1979-06-04 1980-12-17 Nippon Soken Inc Knocking detector for internal combustion engine
US4431935A (en) * 1981-09-15 1984-02-14 Rockwell International Corporation Sensor structure incorporating multiple piezoelectric generators
US4736629A (en) * 1985-12-20 1988-04-12 Silicon Designs, Inc. Micro-miniature accelerometer
JPH076850B2 (ja) * 1987-06-04 1995-01-30 横河電機株式会社 温度測定回路
EP0325674A1 (fr) * 1988-01-29 1989-08-02 Kistler Instrumente AG Elément d'un capteur pour la mesure d'une accélération de rotation
US4855544A (en) * 1988-09-01 1989-08-08 Honeywell Inc. Multiple level miniature electromechanical accelerometer switch
US4901586A (en) * 1989-02-27 1990-02-20 Sundstrand Data Control, Inc. Electrostatically driven dual vibrating beam force transducer
EP0567938B1 (fr) * 1992-04-30 1998-03-18 Texas Instruments Incorporated Accéléromètre numérique
JP3148945B2 (ja) 1992-05-28 2001-03-26 株式会社トーキン 加速度センサ
US6043588A (en) * 1995-07-18 2000-03-28 Murata Manufacturing Co., Ltd. Piezoelectric sensor and acceleration sensor
DE69627603T2 (de) * 1995-10-09 2003-12-18 Matsushita Electric Ind Co Ltd Beschleunigungssensor und Herstellungsverfahren hierfür, sowie Schockdetektor, der einen solchen Sensor verwendet
US6058778A (en) * 1997-10-24 2000-05-09 Stmicroelectronics, Inc. Integrated sensor having plurality of released beams for sensing acceleration
US6382026B1 (en) * 1998-05-19 2002-05-07 Matsushita Electric Industrial Co., Ltd. Acceleration sensor and acceleration apparatus using acceleration sensor
JP3339425B2 (ja) * 1998-10-19 2002-10-28 株式会社村田製作所 加速度センサ及び加速度検出装置
JP2000155126A (ja) * 1998-11-19 2000-06-06 Toyota Central Res & Dev Lab Inc 加速度センサ
JP2000332313A (ja) * 1999-05-21 2000-11-30 Matsushita Electric Ind Co Ltd 薄膜圧電型バイモルフ素子及びその応用
US6336366B1 (en) * 1999-09-24 2002-01-08 Ut-Battelle, Llc Piezoelectrically tunable resonance frequency beam utilizing a stress-sensitive film
JP2002122614A (ja) * 2000-10-12 2002-04-26 Murata Mfg Co Ltd 加速度センサ
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4625137A (en) * 1983-12-09 1986-11-25 Nippon Telegraph & Telephone Public Corp. Piezoelectric actuator using bimorph element
US6282941B1 (en) * 1996-06-26 2001-09-04 Siemens Aktiengesellschaft Impact detection device, in particular for a motor vehicle
US6263734B1 (en) * 1998-04-13 2001-07-24 Matsushita Electric Industrial Co., Ltd. Piezoelectric acceleration sensor and method of detecting acceleration and manufacturing method thereof
US6343242B1 (en) * 1998-10-19 2002-01-29 Kabushiki Kaisha Yaskawa Denki Protective device for clean robot
US20020174588A1 (en) * 2001-05-24 2002-11-28 R.A. Brands, Llc Firearm orientation and drop sensor system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200024899A1 (en) * 2017-02-09 2020-01-23 Efaflex Tor- Und Sicherheitssysteme Gmbh & Co. Kg Device for detecting the fall of a door leaf, system for detecting the fall of a door leaf, and method for detecting the fall of a door leaf

Also Published As

Publication number Publication date
US20040182182A1 (en) 2004-09-23
CN1258092C (zh) 2006-05-31
US7493818B2 (en) 2009-02-24
EP1416284A4 (fr) 2009-06-10
TW546477B (en) 2003-08-11
JPWO2003016920A1 (ja) 2004-12-02
US20060048575A1 (en) 2006-03-09
CN1464978A (zh) 2003-12-31
WO2003016920A1 (fr) 2003-02-27
EP1416284A1 (fr) 2004-05-06

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Legal Events

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AS Assignment

Owner name: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NISHIHARA, KAZUNARI;TAJIKA, HIROFUMI;NOMURA, KOJI;AND OTHERS;REEL/FRAME:014392/0482

Effective date: 20030710

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION

AS Assignment

Owner name: PANASONIC CORPORATION, JAPAN

Free format text: CHANGE OF NAME;ASSIGNOR:MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.;REEL/FRAME:021930/0876

Effective date: 20081001