SG493G - A drop detector - Google Patents

A drop detector

Info

Publication number
SG493G
SG493G SG4/93A SG493A SG493G SG 493 G SG493 G SG 493G SG 4/93 A SG4/93 A SG 4/93A SG 493 A SG493 A SG 493A SG 493 G SG493 G SG 493G
Authority
SG
Singapore
Prior art keywords
drop detector
detector
drop
Prior art date
Application number
SG4/93A
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of SG493G publication Critical patent/SG493G/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/07—Ink jet characterised by jet control
    • B41J2/125—Sensors, e.g. deflection sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/14—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force of explosions; for measuring the energy of projectiles
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Ink Jet (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
SG4/93A 1988-01-19 1993-01-04 A drop detector SG493G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/145,425 US4835435A (en) 1988-01-19 1988-01-19 Simple, sensitive, frequency-tuned drop detector

Publications (1)

Publication Number Publication Date
SG493G true SG493G (en) 1993-03-12

Family

ID=22513054

Family Applications (1)

Application Number Title Priority Date Filing Date
SG4/93A SG493G (en) 1988-01-19 1993-01-04 A drop detector

Country Status (6)

Country Link
US (1) US4835435A (en)
EP (1) EP0325386B1 (en)
JP (1) JP2846642B2 (en)
DE (1) DE68901095D1 (en)
HK (1) HK83593A (en)
SG (1) SG493G (en)

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DE3874325T2 (en) * 1988-04-26 1993-02-25 Ford New Holland Inc IMPACT DETECTORS.
US5336959A (en) * 1988-12-16 1994-08-09 The Whitaker Corporation Impact zone detection device
US5036340A (en) * 1989-01-31 1991-07-30 Hewlett-Packard Company Piezoelectric detector for drop position determination in multi-pen ink jet printing systems
US4922268A (en) * 1989-01-31 1990-05-01 Hewlett-Packard Company Piezoelectric detector for drop position determination in multi-pen thermal ink jet pen printing systems
GB9021677D0 (en) * 1990-10-05 1990-11-21 Xaar Ltd Method of testing multi-channel array pulsed droplet deposition apparatus
GB9022662D0 (en) * 1990-10-18 1990-11-28 Xaar Ltd Method of operating multi-channel array droplet deposition apparatus
US5255009A (en) * 1992-05-01 1993-10-19 Hewlett-Packard Company Automatic maintenance system for drop aperture plate (optics protection)
US5276467A (en) * 1992-05-04 1994-01-04 Hewlett-Packard Company Alignment system for multiple color pen cartridges
SG47503A1 (en) * 1992-09-25 1998-04-17 Hewlett Packard Co Drop count-based ink-jet printer control method and apparatus
US5424716A (en) * 1992-10-06 1995-06-13 The Whitaker Corporation Penetration detection system
US5422664A (en) * 1993-06-25 1995-06-06 Xerox Corporation Method and apparatus for maintaining constant drop size mass in thermal ink jet printers
JP3190486B2 (en) * 1993-07-19 2001-07-23 キヤノン株式会社 Ink jet recording apparatus and ink jet recording head for the apparatus
US5430306A (en) * 1994-01-03 1995-07-04 Hewlett-Packard Company Optoelectronic detector with high, uniform sensitivity and large field of view, for thermal-inkjet inkdrops
US6371590B1 (en) 1996-04-09 2002-04-16 Samsung Electronics Co., Ltd. Method for testing nozzles of an inkjet printer
US6062668A (en) * 1996-12-12 2000-05-16 Hitachi Koki Imaging Solutions, Inc. Drop detector for ink jet apparatus
US6030109A (en) * 1997-05-05 2000-02-29 Lobsenz; Charles B. Golf scoring system
US6140740A (en) * 1997-12-30 2000-10-31 Remon Medical Technologies, Ltd. Piezoelectric transducer
US20030036746A1 (en) 2001-08-16 2003-02-20 Avi Penner Devices for intrabody delivery of molecules and systems and methods utilizing same
US7249818B1 (en) * 1999-10-12 2007-07-31 Hewlett-Packard Development Company, L.P. Print head apparatus with malfunction detector
JP3706903B2 (en) 2000-08-10 2005-10-19 独立行政法人産業技術総合研究所 Flexible high sensitivity ceramic sensor
US6398329B1 (en) 2000-11-13 2002-06-04 Hewlett-Packard Company Thermal inkjet pen having a backpressure sensor
US6626513B2 (en) 2001-07-18 2003-09-30 Lexmark International, Inc. Ink detection circuit and sensor for an ink jet printer
US6530640B1 (en) 2001-08-29 2003-03-11 Hewlett-Packard Company Focused ink drop detection
US6533384B1 (en) 2001-10-30 2003-03-18 Hewlett-Packard Company System and method for selective printhead based servicing operations
US6578946B1 (en) * 2002-03-22 2003-06-17 Hewlett-Packard Development Company, L.P. Movable ink drop detector pick up for a drop-on-demand printer
US7442180B2 (en) * 2003-06-10 2008-10-28 Hewlett-Packard Development Company, L.P. Apparatus and methods for administering bioactive compositions
US7819847B2 (en) * 2003-06-10 2010-10-26 Hewlett-Packard Development Company, L.P. System and methods for administering bioactive compositions
US7267418B2 (en) * 2003-12-09 2007-09-11 Konica Minolta Business Technologies, Inc. Ink jet printer
JP4581440B2 (en) * 2004-03-16 2010-11-17 セイコーエプソン株式会社 Liquid cartridge
JP4457255B2 (en) * 2004-04-14 2010-04-28 コニカミノルタビジネステクノロジーズ株式会社 Inkjet printer
DE602005024179D1 (en) * 2004-11-24 2010-11-25 Remon Medical Technologies Ltd IMPLANTABLE MEDICINE PRODUCT WITH INTEGRATED ACOUSTIC CONVERTER
US7522962B1 (en) 2004-12-03 2009-04-21 Remon Medical Technologies, Ltd Implantable medical device with integrated acoustic transducer
JP4497370B2 (en) 2005-05-31 2010-07-07 日本碍子株式会社 Flying state detection device for minute object and flying state detection method for minute object
US7615012B2 (en) * 2005-08-26 2009-11-10 Cardiac Pacemakers, Inc. Broadband acoustic sensor for an implantable medical device
US7570998B2 (en) * 2005-08-26 2009-08-04 Cardiac Pacemakers, Inc. Acoustic communication transducer in implantable medical device header
JP2009544366A (en) * 2006-07-21 2009-12-17 カーディアック ペースメイカーズ， インコーポレイテッド Ultrasonic transducer for use in medical devices with implanted metal cavities
US7912548B2 (en) * 2006-07-21 2011-03-22 Cardiac Pacemakers, Inc. Resonant structures for implantable devices
US9944074B2 (en) 2006-08-15 2018-04-17 Hewlett-Packard Development Company, L.P. System and method for creating a pico-fluidic inkjet
US8825161B1 (en) 2007-05-17 2014-09-02 Cardiac Pacemakers, Inc. Acoustic transducer for an implantable medical device
JP2010528814A (en) 2007-06-14 2010-08-26 カーディアック ペースメイカーズ， インコーポレイテッド Multi-element acoustic recharging system
JP2009296797A (en) * 2008-06-05 2009-12-17 Olympus Corp Inertia-driven actuator
US10254325B1 (en) * 2014-04-22 2019-04-09 The United States Of America As Represented The Administrator Of The National Aeronautics And Space Administration Piezoelectric field disturbance sensing system and method
US9960057B2 (en) * 2014-12-18 2018-05-01 Lam Research Ag Device for measuring the distribution or impulse of a series of droplets
KR102446202B1 (en) * 2021-06-28 2022-09-22 동의대학교 산학협력단 Sensor for measuring impact force and method using the same

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US3365593A (en) * 1965-10-21 1968-01-23 Phillips Petroleum Co Piezoelectric transducers
US3816773A (en) * 1972-10-12 1974-06-11 Mobil Oil Corp Method and apparatus for detecting particulate material in flow stream
US4067019A (en) * 1976-06-14 1978-01-03 International Business Machines Corporation Impact position transducer for ink jet
US4114063A (en) * 1977-04-27 1978-09-12 Westinghouse Electric Corp. Piezoelectric sediment particle transport detector
US4128841A (en) * 1977-09-28 1978-12-05 Burroughs Corporation Droplet microphone
US4286274A (en) * 1980-03-06 1981-08-25 Burroughs Corporation Ink droplet catcher assembly
JPS5952763A (en) * 1982-09-20 1984-03-27 Nissan Motor Co Ltd Raindrop sensor for vehicle
US4527105A (en) * 1982-09-02 1985-07-02 Nissan Motor Company, Limited Automatic windshield wiper speed control with piezoelectric sensor
US4493993A (en) * 1982-11-22 1985-01-15 Sperry Corporation Apparatus for optically detecting ink droplets
JPS59140146A (en) * 1983-01-28 1984-08-11 Jidosha Denki Kogyo Co Ltd Windshield wiper intermittent driving controller
US4603316A (en) * 1983-01-28 1986-07-29 Nissan Motor Company, Limited Vibration noise suppressive rain sensor for a wiper control system
JPS60145856A (en) * 1984-01-10 1985-08-01 Matsushita Electric Ind Co Ltd Detector of erroneous ink jet
FR2563959B1 (en) * 1984-05-04 1990-08-10 Lewiner Jacques IMPROVEMENTS ON ELECTRE-ACOUSTIC TRANSDUCERS WITH ELECTRET
US4734611A (en) * 1985-12-20 1988-03-29 Siemens Aktiengesellschaft Ultrasonic sensor
JPS63251870A (en) * 1987-04-08 1988-10-19 Seiko Instr & Electronics Ltd Graphic processor

Also Published As

Publication number Publication date
DE68901095D1 (en) 1992-05-07
HK83593A (en) 1993-08-20
JP2846642B2 (en) 1999-01-13
EP0325386B1 (en) 1992-04-01
US4835435A (en) 1989-05-30
JPH01233388A (en) 1989-09-19
EP0325386A1 (en) 1989-07-26

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