ATE11092T1 - Elektroakustischer wandler zur verwendung in vibrierender umgebung und verfahren zu seiner herstellung. - Google Patents

Elektroakustischer wandler zur verwendung in vibrierender umgebung und verfahren zu seiner herstellung.

Info

Publication number
ATE11092T1
ATE11092T1 AT82304602T AT82304602T ATE11092T1 AT E11092 T1 ATE11092 T1 AT E11092T1 AT 82304602 T AT82304602 T AT 82304602T AT 82304602 T AT82304602 T AT 82304602T AT E11092 T1 ATE11092 T1 AT E11092T1
Authority
AT
Austria
Prior art keywords
transducer
environment
manufacture
electroacoustic transducer
backplate
Prior art date
Application number
AT82304602T
Other languages
English (en)
Inventor
Richard Paglia
Original Assignee
Polaroid Corporation
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 Polaroid Corporation filed Critical Polaroid Corporation
Application granted granted Critical
Publication of ATE11092T1 publication Critical patent/ATE11092T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
AT82304602T 1981-09-02 1982-09-01 Elektroakustischer wandler zur verwendung in vibrierender umgebung und verfahren zu seiner herstellung. ATE11092T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/298,577 US4439641A (en) 1981-09-02 1981-09-02 Ultrasonic transducer for use in a vibratory environment
EP82304602A EP0073682B1 (de) 1981-09-02 1982-09-01 Elektroakustischer Wandler zur Verwendung in vibrierender Umgebung und Verfahren zu seiner Herstellung

Publications (1)

Publication Number Publication Date
ATE11092T1 true ATE11092T1 (de) 1985-01-15

Family

ID=23151123

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82304602T ATE11092T1 (de) 1981-09-02 1982-09-01 Elektroakustischer wandler zur verwendung in vibrierender umgebung und verfahren zu seiner herstellung.

Country Status (6)

Country Link
US (1) US4439641A (de)
EP (1) EP0073682B1 (de)
JP (1) JPS5851699A (de)
AT (1) ATE11092T1 (de)
CA (1) CA1195420A (de)
DE (1) DE3261769D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63255676A (ja) * 1987-04-13 1988-10-21 Hitachi Ltd 水中送受波器およびそれを用いたソナーシステム
US4980873A (en) * 1987-12-10 1990-12-25 Gross William C Ultrasonic transducer with tensioned diaphragm and method
WO1989005558A1 (en) * 1987-12-10 1989-06-15 Ultrasonic Arrays, Inc. Ultrasonic transducer with tensioned diaphragm and method
US5619476A (en) * 1994-10-21 1997-04-08 The Board Of Trustees Of The Leland Stanford Jr. Univ. Electrostatic ultrasonic transducer
US5894452A (en) * 1994-10-21 1999-04-13 The Board Of Trustees Of The Leland Stanford Junior University Microfabricated ultrasonic immersion transducer
US5982709A (en) * 1998-03-31 1999-11-09 The Board Of Trustees Of The Leland Stanford Junior University Acoustic transducers and method of microfabrication
EP1599067B1 (de) * 2004-05-21 2013-05-01 Epcos Pte Ltd Detektion und Kontrolle des Membrankollaps in einem Kondensatormikrofon
EP1932476A4 (de) * 2005-09-05 2010-06-23 Hitachi Medical Corp Ultraschallgerät
US8770031B2 (en) * 2007-08-15 2014-07-08 The Boeing Company Capacitive acoustic inspection apparatus
CN112334867B (zh) 2018-05-24 2025-11-11 纽约州立大学研究基金会 电容传感器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4835376U (de) * 1971-08-31 1973-04-27
JPS5636233Y2 (de) * 1974-12-27 1981-08-26
US4199246A (en) * 1976-10-04 1980-04-22 Polaroid Corporation Ultrasonic ranging system for a camera
JPS5419770A (en) * 1977-07-15 1979-02-14 Nippon Chemical Ind Indication circuit
US4085297A (en) * 1977-06-13 1978-04-18 Polaroid Corporation Spring force biasing means for electroacoustical transducer components
US4409441A (en) * 1981-07-02 1983-10-11 Polaroid Corporation Ultrasonic transducer for use in a vibratory environment

Also Published As

Publication number Publication date
DE3261769D1 (en) 1985-02-14
EP0073682A1 (de) 1983-03-09
EP0073682B1 (de) 1985-01-02
US4439641A (en) 1984-03-27
CA1195420A (en) 1985-10-15
JPS5851699A (ja) 1983-03-26

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee