ES321223A1 - Transductor para energia sonora y senales electricas - Google Patents

Transductor para energia sonora y senales electricas

Info

Publication number
ES321223A1
ES321223A1 ES0321223A ES321223A ES321223A1 ES 321223 A1 ES321223 A1 ES 321223A1 ES 0321223 A ES0321223 A ES 0321223A ES 321223 A ES321223 A ES 321223A ES 321223 A1 ES321223 A1 ES 321223A1
Authority
ES
Spain
Prior art keywords
air
transducer
driver
impedance matching
tweeter
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.)
Expired
Application number
ES0321223A
Other languages
English (en)
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of ES321223A1 publication Critical patent/ES321223A1/es
Expired legal-status Critical Current

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
    • H04R17/00—Piezoelectric transducers; Electrostrictive 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transducers For Ultrasonic Waves (AREA)
ES0321223A 1965-01-06 1965-12-28 Transductor para energia sonora y senales electricas Expired ES321223A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42368365A 1965-01-06 1965-01-06
US46476965A 1965-06-17 1965-06-17

Publications (1)

Publication Number Publication Date
ES321223A1 true ES321223A1 (es) 1966-12-16

Family

ID=27026100

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0321223A Expired ES321223A1 (es) 1965-01-06 1965-12-28 Transductor para energia sonora y senales electricas

Country Status (5)

Country Link
US (1) US3535471A (es)
DE (1) DE1462174A1 (es)
ES (1) ES321223A1 (es)
FR (1) FR1461089A (es)
GB (1) GB1083477A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU676639B2 (en) * 1994-05-20 1997-03-13 Shinsei Corporation Sound generating device
US6396197B1 (en) * 1995-12-22 2002-05-28 Speaker Acquisition Sub, A Cayman Island Corporation Piezoelectric speaker
JP2894276B2 (ja) * 1996-05-02 1999-05-24 日本電気株式会社 圧電音響変換器
GB2445597A (en) * 2007-01-09 2008-07-16 William Wood Magnetostrictive compression type loudspeaker with phasing plug

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1802781A (en) * 1927-05-06 1931-04-28 Cleveland Trust Co Piezo-electric device
US1688744A (en) * 1927-05-25 1928-10-23 Wired Radio Inc Multiple acoustic device
US2479987A (en) * 1947-10-11 1949-08-23 Brush Dev Co Multiplate electrotransducer
US3068446A (en) * 1958-08-21 1962-12-11 Stanley L Ehrlich Tubular electrostrictive transducer with spaced electrodes and loading masses
US3215977A (en) * 1960-07-27 1965-11-02 Clevite Corp Acoustic transducer
GB1048602A (en) * 1964-01-30 1966-11-16 Emi Ltd Improvements relating to moving coil loudspeakers and the like

Also Published As

Publication number Publication date
FR1461089A (fr) 1966-12-10
GB1083477A (en) 1967-09-13
DE1462174A1 (de) 1969-02-06
US3535471A (en) 1970-10-20

Similar Documents

Publication Publication Date Title
US4413198A (en) Piezoelectric transducer apparatus
US2625663A (en) Transducer
GB1356478A (en) Oscillatory circuit for ultrasonic cleaning apparatus
GB1258105A (es)
US3277465A (en) Electrically operated audible alarm
IT974427B (it) Disposizione per la generazione di oscillazioni ad ultrasuoni in particolare per trasduttori piezo magnetici o piezoelettrici
GB932701A (en) Flexural oscillator of electrostrictive material
GB1186410A (en) Improvements in or relating to Ceramic Resonators
GB1041263A (en) Improvements in or relating to piezoelectric oscillators
ES321223A1 (es) Transductor para energia sonora y senales electricas
US2170318A (en) Piezoelectric crystal device
GB1370164A (en) Piezoelectric transducer
GB1319702A (en) Electro-acoustic delay lines
GB912324A (en) Improvements in or relating to transducers
GB948889A (en) Improvements in or relating to electromechanical filters
US2878451A (en) Piezolelectric resonator
ES382553A1 (es) Un dispositivo vibrador de espesor hecho de un material piezo-electrico.
US3019661A (en) Ultrasonic transducer and impedance matching device therefor
GB1276196A (en) Electro-acoustic transducer
JPS55110924A (en) Integrated construction type vibration detecter
SU362514A1 (ru) Пьезоэлектрический микрофон
SU502485A1 (ru) Параметрон
SU479267A1 (ru) Обратимый электроакустический преобразователь
GB1020038A (en) A selective frequency responsive device
GB1395294A (en) Acoustic surface wave device