IT1131809B - Generatore di tono - Google Patents

Generatore di tono

Info

Publication number
IT1131809B
IT1131809B IT22350/80A IT2235080A IT1131809B IT 1131809 B IT1131809 B IT 1131809B IT 22350/80 A IT22350/80 A IT 22350/80A IT 2235080 A IT2235080 A IT 2235080A IT 1131809 B IT1131809 B IT 1131809B
Authority
IT
Italy
Prior art keywords
tone generator
tone
generator
Prior art date
Application number
IT22350/80A
Other languages
English (en)
Other versions
IT8022350A0 (it
Inventor
Michael Slavin
Irvin Bruce Rea
George Stanley Todd
Original Assignee
Lectron Products
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 Lectron Products filed Critical Lectron Products
Publication of IT8022350A0 publication Critical patent/IT8022350A0/it
Application granted granted Critical
Publication of IT1131809B publication Critical patent/IT1131809B/it

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Pinball Game Machines (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
IT22350/80A 1979-07-13 1980-05-27 Generatore di tono IT1131809B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/057,516 US4284857A (en) 1979-07-13 1979-07-13 Tone generator

Publications (2)

Publication Number Publication Date
IT8022350A0 IT8022350A0 (it) 1980-05-27
IT1131809B true IT1131809B (it) 1986-06-25

Family

ID=22011057

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22350/80A IT1131809B (it) 1979-07-13 1980-05-27 Generatore di tono

Country Status (9)

Country Link
US (1) US4284857A (it)
JP (1) JPS5614300A (it)
BR (1) BR8004341A (it)
CA (1) CA1141207A (it)
DE (2) DE3019809C2 (it)
FR (1) FR2461320A1 (it)
GB (2) GB2053550B (it)
IT (1) IT1131809B (it)
MX (1) MX148818A (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4387788A (en) * 1982-01-21 1983-06-14 Lectron Products, Inc. Diaphragm pressure ring for tone generators
US4574272A (en) * 1982-10-13 1986-03-04 Northern Telecom Limited Tone ringer for telephone sets and other telecommunications apparatus
US5042133A (en) * 1989-03-15 1991-08-27 Automotive Products (Usa) Inc. Testing method for electric shift control apparatus
US5274701A (en) * 1991-05-29 1993-12-28 Northern Telecom Limited Telephone alerter
JPH0555539U (ja) * 1991-12-20 1993-07-23 日立エーアイシー株式会社 保安機構付きコンデンサ
US5508680A (en) * 1993-06-21 1996-04-16 Fasco Consumer Products, Inc. Solderless solenoid assembly for use in an electrical signaling device
JPH0750890A (ja) * 1993-08-05 1995-02-21 Mitsubishi Electric Corp スピーカー装置
US5867090A (en) * 1994-12-20 1999-02-02 Chen; Chau-Ho Diaphragm buzzer
US5633625A (en) * 1995-03-20 1997-05-27 Saturn Electronics & Engineering, Inc. Electronic chime module and method
AU776958B2 (en) 1999-05-21 2004-09-30 Cochlear Limited A cochlear implant electrode array
JP4473428B2 (ja) * 2000-08-07 2010-06-02 パイオニア株式会社 スピーカ装置
KR100412221B1 (ko) * 2001-08-31 2003-12-24 삼성전기주식회사 휴대 전화기용 소형 스피커
CN1281572C (zh) 2001-11-07 2006-10-25 三菱化学株式会社 制备和/或纯化丙烯酸和/或甲基丙烯酸化合物的方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1252056A (en) * 1916-12-19 1918-01-01 Naho Tannaka Telephone-receiver.
FR550969A (fr) * 1922-01-09 1923-03-24 Heinze Electric Company Cornet électrique
US1665045A (en) * 1925-01-23 1928-04-03 Multiple Electric Products Com Telephone receiver
US1698408A (en) * 1925-03-10 1929-01-08 Bertram J Grigsby Sound reproducer
GB354057A (en) * 1930-08-06 1931-08-06 Paul Haasis An improved electric horn or sound producing device
CH228796A (de) * 1941-05-31 1943-09-15 Bosch Gmbh Robert Entstörtes Signalhorn.
US2902668A (en) * 1956-05-28 1959-09-01 Western Geophysical Co Pressure sensitive device
US3179932A (en) * 1962-02-05 1965-04-20 Robert N Gregoroff Electric sounding device
CH409715A (fr) * 1964-01-28 1966-03-15 Micheloud Andre Générateur électro-acoustique
US3931549A (en) * 1974-10-24 1976-01-06 General Signal Corporation Control circuit for electromagnetic transducer
US4016376A (en) * 1975-01-06 1977-04-05 General Signal Corporation Concave diaphragm for electro-acoustic transducer
US4160132A (en) * 1978-06-20 1979-07-03 Lectron Products, Inc. Electromagnetic acoustic transducer with its air gap established at assembly by counteracting springs

Also Published As

Publication number Publication date
GB2064845A (en) 1981-06-17
DE3019809C2 (de) 1986-11-13
JPS5614300A (en) 1981-02-12
BR8004341A (pt) 1981-01-27
GB2053550A (en) 1981-02-04
MX148818A (es) 1983-06-22
DE3019809A1 (de) 1981-02-05
US4284857A (en) 1981-08-18
JPS6321914B2 (it) 1988-05-10
CA1141207A (en) 1983-02-15
IT8022350A0 (it) 1980-05-27
DE8013999U1 (de) 1981-02-05
FR2461320B1 (it) 1984-10-05
GB2064845B (en) 1983-02-02
FR2461320A1 (fr) 1981-01-30
GB2053550B (en) 1982-11-17

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