SE8300180D0 - Mottagardon for ljudvagor - Google Patents
Mottagardon for ljudvagorInfo
- Publication number
- SE8300180D0 SE8300180D0 SE8300180A SE8300180A SE8300180D0 SE 8300180 D0 SE8300180 D0 SE 8300180D0 SE 8300180 A SE8300180 A SE 8300180A SE 8300180 A SE8300180 A SE 8300180A SE 8300180 D0 SE8300180 D0 SE 8300180D0
- Authority
- SE
- Sweden
- Prior art keywords
- microphone
- resonance panel
- sound
- receiving
- applicance
- Prior art date
Links
- 239000013078 crystal Substances 0.000 abstract 2
- 230000001413 cellular effect Effects 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- 239000002023 wood Substances 0.000 abstract 1
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
- H04R17/02—Microphones
-
- 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
- H04R1/42—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)
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 true SE8300180D0 (sv) | 1983-01-14 |
SE8300180L SE8300180L (sv) | 1984-07-15 |
SE443483B 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 (sv) |
JP (1) | JPS6130900A (sv) |
DE (1) | DE3424766A1 (sv) |
GB (1) | GB2161672B (sv) |
SE (1) | SE443483B (sv) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3926884A1 (de) * | 1989-08-16 | 1991-02-21 | Neumann Gmbh Georg | Elektroakustischer wandler |
EP0847678B1 (en) * | 1995-09-02 | 1999-04-21 | New Transducers Limited | Panel-form microphones |
US6198831B1 (en) | 1995-09-02 | 2001-03-06 | New Transducers Limited | Panel-form loudspeakers |
US6304661B1 (en) * | 1995-09-02 | 2001-10-16 | New Transducers Limited | Loudspeakers comprising panel-form acoustic radiating elements |
KR100419334B1 (ko) | 1995-09-02 | 2004-05-31 | 뉴 트랜스듀서스 리미티드 | 음향장치 |
US6307942B1 (en) * | 1995-09-02 | 2001-10-23 | New Transducers Limited | Panel-form microphones |
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 |
US9707363B2 (en) | 2012-03-29 | 2017-07-18 | Sonarmed Inc. | System and method for use of acoustic reflectometry information in ventilation devices |
CN107530517B (zh) | 2015-03-26 | 2020-10-23 | 索纳尔梅德公司 | 改进的声学导引和监测系统 |
EP3900616A1 (en) | 2016-05-31 | 2021-10-27 | Sonarmed Inc. | Acoustic reflectometry device in catheters |
US11324906B2 (en) | 2017-08-04 | 2022-05-10 | Covidien Lp | Acoustic guided suction systems, devices, and methods |
Family Cites Families (11)
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 |
-
1983
- 1983-01-14 SE SE8300180A patent/SE443483B/sv not_active IP Right Cessation
-
1984
- 1984-07-05 DE DE19843424766 patent/DE3424766A1/de not_active Withdrawn
- 1984-07-10 GB GB08417597A patent/GB2161672B/en not_active Expired
- 1984-07-11 US US06/629,845 patent/US4700396A/en not_active Expired - Fee Related
- 1984-07-12 JP JP14338084A patent/JPS6130900A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
GB8417597D0 (en) | 1984-08-15 |
US4700396A (en) | 1987-10-13 |
GB2161672B (en) | 1988-04-20 |
GB2161672A (en) | 1986-01-15 |
JPS6130900A (ja) | 1986-02-13 |
DE3424766A1 (de) | 1986-01-16 |
SE8300180L (sv) | 1984-07-15 |
SE443483B (sv) | 1986-02-24 |
JPH0431240B2 (sv) | 1992-05-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8300180-0 Effective date: 19930810 Format of ref document f/p: F |