JPH0469399B2 - - Google Patents

Info

Publication number
JPH0469399B2
JPH0469399B2 JP57156940A JP15694082A JPH0469399B2 JP H0469399 B2 JPH0469399 B2 JP H0469399B2 JP 57156940 A JP57156940 A JP 57156940A JP 15694082 A JP15694082 A JP 15694082A JP H0469399 B2 JPH0469399 B2 JP H0469399B2
Authority
JP
Japan
Prior art keywords
circuit
acoustic signal
envelope
bipolar transistor
capacitor
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 - Lifetime
Application number
JP57156940A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5946691A (ja
Inventor
Mitsuharu Kodaira
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP57156940A priority Critical patent/JPS5946691A/ja
Priority to US06/530,138 priority patent/US4567806A/en
Publication of JPS5946691A publication Critical patent/JPS5946691A/ja
Publication of JPH0469399B2 publication Critical patent/JPH0469399B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
    • G10H1/053—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only
    • G10H1/057—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only by envelope-forming circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
JP57156940A 1982-09-09 1982-09-09 音響発生回路 Granted JPS5946691A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57156940A JPS5946691A (ja) 1982-09-09 1982-09-09 音響発生回路
US06/530,138 US4567806A (en) 1982-09-09 1983-09-07 Sound generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57156940A JPS5946691A (ja) 1982-09-09 1982-09-09 音響発生回路

Publications (2)

Publication Number Publication Date
JPS5946691A JPS5946691A (ja) 1984-03-16
JPH0469399B2 true JPH0469399B2 (en]) 1992-11-06

Family

ID=15638668

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57156940A Granted JPS5946691A (ja) 1982-09-09 1982-09-09 音響発生回路

Country Status (2)

Country Link
US (1) US4567806A (en])
JP (1) JPS5946691A (en])

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4924747A (en) * 1987-03-30 1990-05-15 Industrial Technology Research Institute Wave forming circuit of an electronic tone generator
US4796503A (en) * 1987-06-15 1989-01-10 Industrial Technology Research Institute Amplification circuit for electronic tone generator
US4806909A (en) * 1988-02-22 1989-02-21 Arcand Thomas W Simulated static noise generator
US4929924A (en) * 1989-01-27 1990-05-29 General Signal Corporation Electronic alarm horn
US5014587A (en) * 1989-10-16 1991-05-14 The Quaker Oats Company Electronic piano tone circuit
US4954805A (en) * 1990-02-06 1990-09-04 General Signal Corporation Piezo electronic horn
US5398024A (en) * 1992-08-04 1995-03-14 Knowles; Todd Signal annunciators
CH689243B5 (fr) * 1995-09-21 1999-07-15 Ebauchesfabrik Eta Ag Générateur sonore, notamment pour pièce d'horlogerie.
US6160245A (en) * 1999-05-19 2000-12-12 Maytag Corporation Variable volume signaling device for an appliance
DE10137529A1 (de) * 2001-08-01 2003-02-13 Delphi Tech Inc Tongenerator
US7439439B2 (en) * 2004-03-09 2008-10-21 Electrolux Home Products, Inc. Appliance audio notification device
CN103295348A (zh) * 2012-02-29 2013-09-11 苏州金三元照明电器有限公司 一种警报灯

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095502A (en) * 1976-05-21 1978-06-20 Rhythm Band, Inc. Sound control system in an electronic musical instrument
US4250787A (en) * 1979-02-01 1981-02-17 Calfax, Inc. Music tone generator
JPS5677894U (en]) * 1979-11-21 1981-06-24
JPS5679987A (en) * 1979-12-04 1981-06-30 Citizen Watch Co Ltd Electronic timepiece with alarm function
JPS57119389U (en]) * 1981-01-19 1982-07-24
US4397211A (en) * 1981-12-30 1983-08-09 Mattel, Inc. Circuit for producing musical tones

Also Published As

Publication number Publication date
US4567806A (en) 1986-02-04
JPS5946691A (ja) 1984-03-16

Similar Documents

Publication Publication Date Title
JPH0469399B2 (en])
US4001816A (en) Electronic chime
US4010667A (en) Rhythm unit with programmed envelope waveform, amplitude, and the like
US4273019A (en) Electronic tone generator
US3465088A (en) Musical instrument percussive keyer with variable signal decay
US3582530A (en) Electronic musical instrument producing percussion signals by additive mixing of component signals
JPS6255792B2 (en])
JP3121250B2 (ja) 警報音響装置
US4236437A (en) Organ brass pulse keyer
US3617598A (en) Sawtooth tone generating and keying circuit for an electronic musical instrument
US3978754A (en) Voltage controlled type electronic musical instrument
JPS6141193A (ja) 電子楽器
GB2105086A (en) Drive circuit for an electronic tone generator
US4924747A (en) Wave forming circuit of an electronic tone generator
KR910004664Y1 (ko) 전자오르간의 자동 반주 엔벨로프 발생회로
US4062264A (en) Polyphonic musical instrument simulator
US4176579A (en) Circuit for simulating reverberation in electronic organs
JPS6319880B2 (en])
JPH0210557Y2 (en])
JPH0414796Y2 (en])
US3509265A (en) Signal-selecting system for keyboard type electronic musical instrument
JPS58227Y2 (ja) 電子楽器
JPS6235118Y2 (en])
KR830000459B1 (ko) 전자 발음 장치
JP2564708B2 (ja) 可動体の駆動制御回路