SE443483B - Mottagardon for ljudvagor bestaende av en resonansskiva och en for dennas av ljudvagorna framkallade svengningar reagerande piezoelektrisk mikrofon av kristalltyp - Google Patents

Mottagardon for ljudvagor bestaende av en resonansskiva och en for dennas av ljudvagorna framkallade svengningar reagerande piezoelektrisk mikrofon av kristalltyp

Info

Publication number
SE443483B
SE443483B SE8300180A SE8300180A SE443483B SE 443483 B SE443483 B SE 443483B SE 8300180 A SE8300180 A SE 8300180A SE 8300180 A SE8300180 A SE 8300180A SE 443483 B SE443483 B SE 443483B
Authority
SE
Sweden
Prior art keywords
microphone
sound waves
sound
resonant
anticular
Prior art date
Application number
SE8300180A
Other languages
English (en)
Swedish (sv)
Other versions
SE8300180L (sv
SE8300180D0 (sv
Inventor
Gustav Georg Arne Bolin
Original Assignee
Gustav Georg Arne Bolin
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 Gustav Georg Arne Bolin filed Critical Gustav Georg Arne Bolin
Priority to SE8300180A priority Critical patent/SE443483B/sv
Publication of SE8300180D0 publication Critical patent/SE8300180D0/xx
Priority to DE19843424766 priority patent/DE3424766A1/de
Priority to GB08417597A priority patent/GB2161672B/en
Priority to US06/629,845 priority patent/US4700396A/en
Priority to JP14338084A priority patent/JPS6130900A/ja
Publication of SE8300180L publication Critical patent/SE8300180L/
Publication of SE443483B publication Critical patent/SE443483B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/02—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/42—Combinations of transducers with fluid-pressure or other non-electrical amplifying means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Burglar Alarm Systems (AREA)
SE8300180A 1983-01-14 1983-01-14 Mottagardon for ljudvagor bestaende av en resonansskiva och en for dennas av ljudvagorna framkallade svengningar reagerande piezoelektrisk mikrofon av kristalltyp SE443483B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8300180A SE443483B (sv) 1983-01-14 1983-01-14 Mottagardon for ljudvagor bestaende av en resonansskiva och en for dennas av ljudvagorna framkallade svengningar reagerande piezoelektrisk mikrofon av kristalltyp
DE19843424766 DE3424766A1 (de) 1983-01-14 1984-07-05 Empfaengergeraet fuer schallwellen
GB08417597A GB2161672B (en) 1983-01-14 1984-07-10 Sound-wave receiving applicance
US06/629,845 US4700396A (en) 1983-01-14 1984-07-11 Sound-wave receiving appliance
JP14338084A JPS6130900A (ja) 1983-01-14 1984-07-12 受音装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8300180A SE443483B (sv) 1983-01-14 1983-01-14 Mottagardon for ljudvagor bestaende av en resonansskiva och en for dennas av ljudvagorna framkallade svengningar reagerande piezoelektrisk mikrofon av kristalltyp

Publications (3)

Publication Number Publication Date
SE8300180D0 SE8300180D0 (sv) 1983-01-14
SE8300180L SE8300180L (sv) 1984-07-15
SE443483B true SE443483B (sv) 1986-02-24

Family

ID=20349592

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8300180A SE443483B (sv) 1983-01-14 1983-01-14 Mottagardon for ljudvagor bestaende av en resonansskiva och en for dennas av ljudvagorna framkallade svengningar reagerande piezoelektrisk mikrofon av kristalltyp

Country Status (5)

Country Link
US (1) US4700396A (cs)
JP (1) JPS6130900A (cs)
DE (1) DE3424766A1 (cs)
GB (1) GB2161672B (cs)
SE (1) SE443483B (cs)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3926884A1 (de) * 1989-08-16 1991-02-21 Neumann Gmbh Georg Elektroakustischer wandler
US6198831B1 (en) 1995-09-02 2001-03-06 New Transducers Limited Panel-form loudspeakers
CN1655645A (zh) 1995-09-02 2005-08-17 新型转换器有限公司 扬声器以及使用扬声器的设备
US6307942B1 (en) * 1995-09-02 2001-10-23 New Transducers Limited Panel-form microphones
DE69602204T2 (de) * 1995-09-02 1999-09-16 New Transducers Ltd., Huntingdon PANEELFöRMIGE MIKROFONE
US6304661B1 (en) * 1995-09-02 2001-10-16 New Transducers Limited Loudspeakers comprising panel-form acoustic radiating elements
GB2320393A (en) * 1996-12-11 1998-06-17 Secr Defence Panel form loudspeaker
US6298140B1 (en) * 1998-02-20 2001-10-02 Christos Manavopoulos Electroacoustic transducer with improved tonal quality
JP4643859B2 (ja) * 2001-06-11 2011-03-02 株式会社早乙女 床磨き機用洗浄液飛散防止装置
TWI399987B (zh) * 2009-02-13 2013-06-21 Ind Tech Res Inst 多面向平面式揚聲器裝置
USD676414S1 (en) * 2011-10-06 2013-02-19 Sdi Technologies, Inc. Bluetooth speaker system with integrated keyboard
US9707363B2 (en) 2012-03-29 2017-07-18 Sonarmed Inc. System and method for use of acoustic reflectometry information in ventilation devices
EP3274033B1 (en) * 2015-03-26 2020-07-29 Sonarmed Inc. Improved acoustical guidance and monitoring system
US10729621B2 (en) 2016-05-31 2020-08-04 Sonarmed Inc. Acoustic reflectometry device in catheters
EP3661437B1 (en) 2017-08-04 2023-09-27 Covidien LP Acoustic guided suction systems for endotracheal tubes

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1560502A (en) * 1925-01-15 1925-11-03 Forest Lee De Sound-reproducing device
US2350010A (en) * 1941-12-26 1944-05-30 Glastonbury Bank & Trust Compa Microphone
US2565159A (en) * 1949-04-21 1951-08-21 Brush Dev Co Focused electromechanical device
US3058015A (en) * 1960-05-03 1962-10-09 Nesh Florence Dissipation of high frequency vibratory energy
US3167668A (en) * 1961-10-02 1965-01-26 Nesh Florence Piezoelectric transducers
DE1168971B (de) * 1962-11-15 1964-04-30 Siemens Ag Anordnung zur Umwandlung mechanischer Schwingungen in elektrische
DE1277346B (de) * 1964-12-21 1968-09-12 Siemens Ag Kristallmikrophon
US3908503A (en) * 1971-09-28 1975-09-30 Gustav Georg Arne Bolin Device in stringed musical instruments
US4204096A (en) * 1974-12-02 1980-05-20 Barcus Lester M Sonic transducer mounting
SE399142B (sv) * 1976-05-13 1978-01-30 Bolin Gustav Georg Arne Ljudresonator for forsterkata fran en ljudkella, speciellt strenginsturment kommande ljudvagor
SE418665B (sv) * 1979-10-16 1981-06-15 Gustav Georg Arne Bolin Sett att forbettra akustiken i en lokal

Also Published As

Publication number Publication date
SE8300180L (sv) 1984-07-15
JPS6130900A (ja) 1986-02-13
GB2161672B (en) 1988-04-20
US4700396A (en) 1987-10-13
SE8300180D0 (sv) 1983-01-14
JPH0431240B2 (cs) 1992-05-25
GB2161672A (en) 1986-01-15
DE3424766A1 (de) 1986-01-16
GB8417597D0 (en) 1984-08-15

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