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SE333588B - - Google Patents

Info

Publication number
SE333588B
SE333588B SE04677/67A SE467767A SE333588B SE 333588 B SE333588 B SE 333588B SE 04677/67 A SE04677/67 A SE 04677/67A SE 467767 A SE467767 A SE 467767A SE 333588 B SE333588 B SE 333588B
Authority
SE
Sweden
Prior art keywords
piezo
electric
pick
sulphide
marconi
Prior art date
Application number
SE04677/67A
Other languages
English (en)
Inventor
D Thorn
K Littlebury
E Davies
Original Assignee
Marconi Co Ltd
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Publication of SE333588B publication Critical patent/SE333588B/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/48—Coupling means therefor
    • H03H9/50—Mechanical coupling means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
SE04677/67A 1966-04-22 1967-04-04 SE333588B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB17832/66A GB1122245A (en) 1966-04-22 1966-04-22 Improvements in or relating to electro-mechanical resonators

Publications (1)

Publication Number Publication Date
SE333588B true SE333588B (xx) 1971-03-22

Family

ID=10101997

Family Applications (1)

Application Number Title Priority Date Filing Date
SE04677/67A SE333588B (xx) 1966-04-22 1967-04-04

Country Status (5)

Country Link
US (1) US3509387A (xx)
DE (1) DE1512319B2 (xx)
GB (1) GB1122245A (xx)
NL (1) NL6705549A (xx)
SE (1) SE333588B (xx)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538785A (en) * 1978-09-12 1980-03-18 Murata Mfg Co Ltd Voltage tuning fork
JPS58119217A (ja) * 1982-01-07 1983-07-15 Murata Mfg Co Ltd 圧電音叉
US4517486A (en) * 1984-02-21 1985-05-14 The United States Of America As Represented By The Secretary Of The Army Monolitic band-pass filter using piezoelectric cantilevers
US4869349A (en) * 1988-11-03 1989-09-26 Halliburton Logging Services, Inc. Flexcompressional acoustic transducer
DE69026765T2 (de) * 1989-07-11 1996-10-24 Ngk Insulators Ltd Einen piezoelektrischen/elektrostriktiven Film enthaltende piezoelektrischer/elektrostriktiver Antrieb
JP2886588B2 (ja) * 1989-07-11 1999-04-26 日本碍子株式会社 圧電／電歪アクチュエータ
US5210455A (en) * 1990-07-26 1993-05-11 Ngk Insulators, Ltd. Piezoelectric/electrostrictive actuator having ceramic substrate having recess defining thin-walled portion
DE69223096T2 (de) * 1991-07-18 1998-05-28 Ngk Insulators Ltd Piezoelektrischer/elektrostriktiver Element mit einem keramischen Substrat aus stabilisiertem Zirkoniumdioxid
JP2665106B2 (ja) * 1992-03-17 1997-10-22 日本碍子株式会社 圧電／電歪膜型素子
JP3106044B2 (ja) * 1992-12-04 2000-11-06 日本碍子株式会社 アクチュエータ及びそれを用いたインクジェットプリントヘッド
JP3120260B2 (ja) 1992-12-26 2000-12-25 日本碍子株式会社 圧電／電歪膜型素子
US5381068A (en) * 1993-12-20 1995-01-10 General Electric Company Ultrasonic transducer with selectable center frequency
US5558298A (en) * 1994-12-05 1996-09-24 General Electric Company Active noise control of aircraft engine discrete tonal noise
JP3432974B2 (ja) * 1995-10-13 2003-08-04 日本碍子株式会社 圧電／電歪膜型素子
AU1973397A (en) * 1996-02-27 1997-09-16 Quantum Corporation Glide head with thin-film piezoelectric transducer
EP1886363A2 (en) * 2005-05-31 2008-02-13 Unison Products Optimized piezo design for a mechanical-to-acoustical transducer
JP4766052B2 (ja) * 2005-11-24 2011-09-07 株式会社村田製作所 電気音響変換器
CN101919079B (zh) * 2007-07-03 2014-01-01 皇家飞利浦电子股份有限公司 用于存在性检测的薄膜检测器
US20100322455A1 (en) * 2007-11-21 2010-12-23 Emo Labs, Inc. Wireless loudspeaker
US8189851B2 (en) 2009-03-06 2012-05-29 Emo Labs, Inc. Optically clear diaphragm for an acoustic transducer and method for making same
WO2011020100A1 (en) * 2009-08-14 2011-02-17 Emo Labs, Inc System to generate electrical signals for a loudspeaker
US20140270279A1 (en) 2013-03-15 2014-09-18 Emo Labs, Inc. Acoustic transducers with releasable diaphram
USD741835S1 (en) 2013-12-27 2015-10-27 Emo Labs, Inc. Speaker
USD733678S1 (en) 2013-12-27 2015-07-07 Emo Labs, Inc. Audio speaker
USD748072S1 (en) 2014-03-14 2016-01-26 Emo Labs, Inc. Sound bar audio speaker

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2277008A (en) * 1938-10-24 1942-03-17 Ardenne Manfred Von Television projection tube
US2345491A (en) * 1941-11-25 1944-03-28 Bell Telephone Labor Inc Wave transmission network
US2661622A (en) * 1947-07-22 1953-12-08 Hartford Nat Bank & Trust Co Electric vibration pick-up
US2636135A (en) * 1947-10-29 1953-04-21 Bell Telephone Labor Inc Stress-coupled core and crystal transformer
US2695357A (en) * 1951-04-19 1954-11-23 Rca Corp Frequency conversion apparatus
US2738386A (en) * 1951-07-17 1956-03-13 Rca Corp Magnetostrictive amplifier
US2759102A (en) * 1952-09-23 1956-08-14 Rca Corp Mechanically stabilized oscillators
US2918634A (en) * 1954-11-30 1959-12-22 Collins Radio Co Increase of coupling to mechanical filter end discs to improve response
US2867780A (en) * 1956-10-29 1959-01-06 David S Potter Ceramic barium titanate electromechanical filter
US2981905A (en) * 1958-08-20 1961-04-25 Bell Telephone Labor Inc Electromechanical wave filter
US2945984A (en) * 1959-07-17 1960-07-19 Sylvania Electric Prod Piezoelectric device
US3091707A (en) * 1960-04-07 1963-05-28 Bell Telephone Labor Inc Piezoelectric devices utilizing zinc oxide
US3093758A (en) * 1960-04-13 1963-06-11 Bell Telephone Labor Inc Piezoelectric devices utilizing cadmium sulfide
US3131368A (en) * 1960-09-14 1964-04-28 Robert W Hart Signal selecting apparatus
GB1001714A (en) * 1961-08-22 1965-08-18 Toko Radio Coil Kenkyusho Kk Electromechanical filter
US3260969A (en) * 1963-06-28 1966-07-12 Gen Electric Apparatus for producing sonic vibrations at x-band microwave frequencies and higher
NL125813C (xx) * 1963-11-02
US3290623A (en) * 1964-04-17 1966-12-06 Gen Electric Apparatus for the generation of phonons by piezoelectric effects
US3325743A (en) * 1965-12-23 1967-06-13 Zenith Radio Corp Bimorph flexural acoustic amplifier

Also Published As

Publication number Publication date
GB1122245A (en) 1968-07-31
DE1512319B2 (de) 1970-10-01
DE1512319A1 (de) 1969-10-09
NL6705549A (xx) 1967-10-23
US3509387A (en) 1970-04-28

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