BR7903543A - Sistema de audio com tom de sinos utilizando transdutor piezeletrico - Google Patents

Sistema de audio com tom de sinos utilizando transdutor piezeletrico

Info

Publication number
BR7903543A
BR7903543A BR7903543A BR7903543A BR7903543A BR 7903543 A BR7903543 A BR 7903543A BR 7903543 A BR7903543 A BR 7903543A BR 7903543 A BR7903543 A BR 7903543A BR 7903543 A BR7903543 A BR 7903543A
Authority
BR
Brazil
Prior art keywords
piezeletric
transducer
audio system
bell tone
bell
Prior art date
Application number
BR7903543A
Other languages
English (en)
Inventor
R Learn
L Sweany
Original Assignee
Mallory & Co Inc P R
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 Mallory & Co Inc P R filed Critical Mallory & Co Inc P R
Publication of BR7903543A publication Critical patent/BR7903543A/pt

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals
    • G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
    • G04G13/021—Details
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H5/00—Instruments in which the tones are generated by means of electronic generators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S84/00—Music
    • Y10S84/24—Piezoelectrical transducers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
BR7903543A 1978-06-08 1979-06-05 Sistema de audio com tom de sinos utilizando transdutor piezeletrico BR7903543A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05913732 US4213121C1 (en) 1978-06-08 1978-06-08 Chime tone audio system utilizing a piezoelectric transducer

Publications (1)

Publication Number Publication Date
BR7903543A true BR7903543A (pt) 1980-01-22

Family

ID=25433538

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7903543A BR7903543A (pt) 1978-06-08 1979-06-05 Sistema de audio com tom de sinos utilizando transdutor piezeletrico

Country Status (9)

Country Link
US (1) US4213121C1 (pt)
JP (2) JPS54162498A (pt)
BE (1) BE876879A (pt)
BR (1) BR7903543A (pt)
CA (1) CA1119024A (pt)
DE (1) DE2923353A1 (pt)
DK (1) DK238579A (pt)
GB (1) GB2023323B (pt)
MX (1) MX4524E (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3375339D1 (en) * 1983-01-25 1988-02-18 Nippon Denso Co Reverberation sound generator
JPS602134A (ja) * 1983-06-17 1985-01-08 早川　英雄 有害動物の威嚇装置
US4935909A (en) * 1986-12-10 1990-06-19 Emhart Industries Inc. Piezoelectric signaling device
WO1992014643A1 (en) * 1991-02-15 1992-09-03 John Robert Guest Warning device for a bicycle
US5398024A (en) * 1992-08-04 1995-03-14 Knowles; Todd Signal annunciators
US5471192A (en) * 1994-01-24 1995-11-28 Dash; Glen Sound producing device stimulated by petting
US5633625A (en) * 1995-03-20 1997-05-27 Saturn Electronics & Engineering, Inc. Electronic chime module and method
US5793282A (en) * 1995-05-01 1998-08-11 Yosemite Investment, Inc. Piezoelectric audio chime
US5675311A (en) * 1995-06-02 1997-10-07 Yosemite Investment, Inc. Frequency sweeping audio signal device
US5842288A (en) * 1996-12-10 1998-12-01 U.S. Controls Corporation Clothes dryer with chiming alarm
US5990784A (en) * 1996-12-17 1999-11-23 Yosemite Investment, Inc. Schmitt trigger loud alarm with feedback
US6512450B1 (en) 2000-01-20 2003-01-28 Mallory Sonalert, Products, Inc. Extra loud low frequency acoustical alarm assembly
US6617967B2 (en) 2001-01-10 2003-09-09 Mallory Sonalert Products, Inc. Piezoelectric siren driver circuit
US7439439B2 (en) 2004-03-09 2008-10-21 Electrolux Home Products, Inc. Appliance audio notification device
US20100102940A1 (en) * 2008-10-23 2010-04-29 Mallory Sonalert Products, Inc. Electronic sound level control in audible signaling devices
US8797176B1 (en) 2011-12-15 2014-08-05 Mallory Sonalert Products, Inc. Multi-sensory warning device
US9030318B1 (en) 2013-03-15 2015-05-12 Mallory Sonalert Products, Inc. Wireless tandem alarm
CN106600859A (zh) * 2017-02-05 2017-04-26 肖志尧 一种基于压电原理的节能门铃
US10567711B1 (en) 2019-01-07 2020-02-18 Amazon Technologies, Inc. Batteryless doorbell with rectified power delivery
US11412189B1 (en) 2019-01-07 2022-08-09 Amazon Technologies, Inc. Batteryless doorbell with multi-load power delivery
US10803719B1 (en) * 2019-01-07 2020-10-13 Amazon Technologies, Inc. Batteryless doorbell with energy harvesters

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4110904Y1 (pt) * 1964-06-20 1966-05-23
US3573630A (en) * 1968-09-30 1971-04-06 Bell Telephone Labor Inc Time variable alert tone circuit for personal radio paging systems
US3569963A (en) * 1969-10-06 1971-03-09 Mallory & Co Inc P R Audible alarm unit
JPS5184594A (en) * 1975-01-21 1976-07-23 Matsushita Electric Works Ltd Denshichaimu
JPS51141591A (en) * 1975-05-31 1976-12-06 Iwatsu Electric Co Ltd Electronic chime circuit
JPS5436123Y2 (pt) * 1975-10-04 1979-11-01
JPS5249347U (pt) * 1975-10-04 1977-04-08
US4104628A (en) * 1976-10-15 1978-08-01 P.R. Mallory & Co. Inc. High output audible alarm device utilizing a piezoelectric transducer and voltage doubling means

Also Published As

Publication number Publication date
CA1119024A (en) 1982-03-02
DE2923353A1 (de) 1979-12-20
GB2023323B (en) 1982-12-15
GB2023323A (en) 1979-12-28
JPS54162498A (en) 1979-12-24
BE876879A (fr) 1979-10-01
DK238579A (da) 1979-12-09
US4213121A (en) 1980-07-15
JPH01113299U (pt) 1989-07-31
JPH0233280Y2 (pt) 1990-09-07
US4213121C1 (en) 2002-05-14
MX4524E (es) 1982-06-02

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