JPH0233280Y2 - - Google Patents

Info

Publication number
JPH0233280Y2
JPH0233280Y2 JP1988161214U JP16121488U JPH0233280Y2 JP H0233280 Y2 JPH0233280 Y2 JP H0233280Y2 JP 1988161214 U JP1988161214 U JP 1988161214U JP 16121488 U JP16121488 U JP 16121488U JP H0233280 Y2 JPH0233280 Y2 JP H0233280Y2
Authority
JP
Japan
Prior art keywords
signal
circuit
output
audible
period
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
JP1988161214U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01113299U (en:Method
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 filed Critical
Publication of JPH01113299U publication Critical patent/JPH01113299U/ja
Application granted granted Critical
Publication of JPH0233280Y2 publication Critical patent/JPH0233280Y2/ja
Expired legal-status Critical Current

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)
JP1988161214U 1978-06-08 1988-12-12 Expired JPH0233280Y2 (en:Method)

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 (2)

Publication Number Publication Date
JPH01113299U JPH01113299U (en:Method) 1989-07-31
JPH0233280Y2 true JPH0233280Y2 (en:Method) 1990-09-07

Family

ID=25433538

Family Applications (2)

Application Number Title Priority Date Filing Date
JP7214079A Pending JPS54162498A (en) 1978-06-08 1979-06-08 Audio signal generator
JP1988161214U Expired JPH0233280Y2 (en:Method) 1978-06-08 1988-12-12

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP7214079A Pending JPS54162498A (en) 1978-06-08 1979-06-08 Audio signal generator

Country Status (9)

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

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0119277B1 (en) * 1983-01-25 1988-01-13 Nippondenso Co., Ltd. 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
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
US10567711B1 (en) 2019-01-07 2020-02-18 Amazon Technologies, Inc. Batteryless doorbell with rectified power delivery

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4110904Y1 (en:Method) * 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
JPS5249347U (en:Method) * 1975-10-04 1977-04-08
JPS5436123Y2 (en:Method) * 1975-10-04 1979-11-01
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
MX4524E (es) 1982-06-02
JPH01113299U (en:Method) 1989-07-31
BR7903543A (pt) 1980-01-22
DE2923353A1 (de) 1979-12-20
GB2023323A (en) 1979-12-28
BE876879A (fr) 1979-10-01
US4213121C1 (en) 2002-05-14
JPS54162498A (en) 1979-12-24
DK238579A (da) 1979-12-09
GB2023323B (en) 1982-12-15
US4213121A (en) 1980-07-15

Similar Documents

Publication Publication Date Title
JPH0233280Y2 (en:Method)
JPS6120637Y2 (en:Method)
US4001816A (en) Electronic chime
US5990784A (en) Schmitt trigger loud alarm with feedback
US6617967B2 (en) Piezoelectric siren driver circuit
JPH0469399B2 (en:Method)
JP3121250B2 (ja) 警報音響装置
JPS62138896A (ja) 多信号警報装置
GB1559246A (en) Detectors
US3324408A (en) Electronic siren including a shock excited resonant circuit
JPS6321200B2 (en:Method)
US3550117A (en) Timing apparatus
US3516319A (en) Simulated brushed cymbal tone generating system for electronic organs
JP3231824B2 (ja) ブザー駆動用出力回路
JPS5929396Y2 (ja) 発振回路
JPS6025104Y2 (ja) 音響発生装置
JPS5911119B2 (ja) 電子チャイム
JP2585451Y2 (ja) 電子音発生回路
JPH0522960Y2 (en:Method)
JPS5928468Y2 (ja) 発音装置
GB2084427A (en) Piezoelectric Sound Generator
SU843175A2 (ru) Формирователь импульсов
JPS62259075A (ja) 超音波振動子駆動回路
KR900000558Y1 (ko) 음량 제어 회로
JPS6318080Y2 (en:Method)