CO4830500A1 - Transductores y metodos piezolectricos digitales - Google Patents

Transductores y metodos piezolectricos digitales

Info

Publication number
CO4830500A1
CO4830500A1 CO99002015A CO99002015A CO4830500A1 CO 4830500 A1 CO4830500 A1 CO 4830500A1 CO 99002015 A CO99002015 A CO 99002015A CO 99002015 A CO99002015 A CO 99002015A CO 4830500 A1 CO4830500 A1 CO 4830500A1
Authority
CO
Colombia
Prior art keywords
digital
piezoelectric element
piezoelectric
multiplicity
piezolectric
Prior art date
Application number
CO99002015A
Other languages
English (en)
Inventor
Gritsko Perez
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Publication of CO4830500A1 publication Critical patent/CO4830500A1/es

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

Un transductor piezoeléctrico digital, compuesto por: un elemento piezoeléctrico; una multiplicidad de secciones conductivas aisladas eléctricamente, fijadas a un lado de dicho elemento piezoeléctico; y una placa conductiva común fijada al otro lado de dicho piezoeléctrico. 1Un método para manejar un transductor piezoeléctrico con señales digitales, comprende los pasos de: acoplar una multiplicidad de medios conductivos a un lado de un elemento piezoeléctrico; acoplar una placa conductiva común al otro lado de dicho elemento piezoeléctrico; generar una serie de señales de excitación digitales en paralelo; aplicar dicha serie de señales de excitación en paralelo a la mencionada multiplicidad de medios conductivos.c
CO99002015A 1998-01-20 1999-01-15 Transductores y metodos piezolectricos digitales CO4830500A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/009,520 US6492761B1 (en) 1998-01-20 1998-01-20 Digital piezoelectric transducers and methods

Publications (1)

Publication Number Publication Date
CO4830500A1 true CO4830500A1 (es) 1999-08-30

Family

ID=21738156

Family Applications (1)

Application Number Title Priority Date Filing Date
CO99002015A CO4830500A1 (es) 1998-01-20 1999-01-15 Transductores y metodos piezolectricos digitales

Country Status (5)

Country Link
US (1) US6492761B1 (es)
AR (1) AR014317A1 (es)
AU (1) AU1950699A (es)
CO (1) CO4830500A1 (es)
WO (1) WO1999037123A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370717A (en) * 2000-05-31 2002-07-03 New Transducers Ltd Loudspeaker
GB0027510D0 (en) 2000-11-10 2000-12-27 Secr Defence Surface with varying electrical or magnetic properties
WO2003017717A2 (en) * 2001-08-17 2003-02-27 Carnegie Mellon University Method and apparatus for reconstruction of soundwaves from digital signals
WO2007135928A1 (ja) * 2006-05-21 2007-11-29 Trigence Semiconductor, Inc. デジタルアナログ変換装置
JP5552620B2 (ja) 2008-06-16 2014-07-16 株式会社 Ｔｒｉｇｅｎｃｅ Ｓｅｍｉｃｏｎｄｕｃｔｏｒ デジタルスピーカー駆動装置と集中制御装置とを搭載した自動車
CN102474266B (zh) 2009-12-09 2015-06-24 株式会社特瑞君思半导体 选择装置
JP6216885B2 (ja) * 2014-06-30 2017-10-18 富士フイルム株式会社 電気音響変換フィルムおよびデジタルスピーカ
US10638234B2 (en) * 2016-04-15 2020-04-28 Dai-Ichi Seiko Co., Ltd. Speaker system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3153229A (en) * 1963-05-13 1964-10-13 Charles E Roberts Digital actuator and direct digital transducer employing same
CH539845A (de) 1972-06-30 1973-07-31 Ibm Elektroakustischer Wandler
US3947708A (en) 1974-11-27 1976-03-30 Gte Laboratories Incorporated Apparatus for and method of converting from a digital signal to an acoustic wave using a piezoelectric beam
JPS58200698A (ja) 1982-05-18 1983-11-22 Matsushita Electric Ind Co Ltd スピ−カ
US4515997A (en) * 1982-09-23 1985-05-07 Stinger Jr Walter E Direct digital loudspeaker
JPS59128900A (ja) 1983-01-12 1984-07-25 Onkyo Corp 圧電型電気音響変換器
JPS59188295A (ja) 1983-04-08 1984-10-25 Onkyo Corp 圧電型電気音響変換器の駆動方式
DE3731196A1 (de) * 1987-09-17 1989-03-30 Messerschmitt Boelkow Blohm Frequenzselektiver schallwandler
US5821666A (en) * 1995-09-22 1998-10-13 Nippondenso Co., Ltd. United control system comprising a plurality of control units independently controllable

Also Published As

Publication number Publication date
AR014317A1 (es) 2001-02-07
US6492761B1 (en) 2002-12-10
WO1999037123A1 (en) 1999-07-22
AU1950699A (en) 1999-08-02

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