HK1005212A1 - Silent electromagnetic alarm - Google Patents

Silent electromagnetic alarm Download PDF

Info

Publication number
HK1005212A1
HK1005212A1 HK98104355A HK98104355A HK1005212A1 HK 1005212 A1 HK1005212 A1 HK 1005212A1 HK 98104355 A HK98104355 A HK 98104355A HK 98104355 A HK98104355 A HK 98104355A HK 1005212 A1 HK1005212 A1 HK 1005212A1
Authority
HK
Hong Kong
Prior art keywords
mass
motor
core
support
alarm
Prior art date
Application number
HK98104355A
Other languages
German (de)
English (en)
French (fr)
Chinese (zh)
Other versions
HK1005212B (en
Inventor
Born Jean-Jacques
Original Assignee
Asulab S.A.
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 Asulab S.A. filed Critical Asulab S.A.
Publication of HK1005212A1 publication Critical patent/HK1005212A1/xx
Publication of HK1005212B publication Critical patent/HK1005212B/xx

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
    • B06B1/045—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Audible And Visible Signals (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
HK98104355.4A 1993-05-18 1998-05-20 Silent electromagnetic alarm HK1005212B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1512/93A CH685185GA3 (fr) 1993-05-18 1993-05-18 Alarme non sonore électromagnétique.
CH1512/93 1993-05-18

Publications (2)

Publication Number Publication Date
HK1005212A1 true HK1005212A1 (en) 1998-12-24
HK1005212B HK1005212B (en) 1998-12-24

Family

ID=

Also Published As

Publication number Publication date
US5365497A (en) 1994-11-15
JP3512851B2 (ja) 2004-03-31
CH685185GA3 (fr) 1995-04-28
CN1104779A (zh) 1995-07-05
DE69407090D1 (de) 1998-01-15
DE69407090T2 (de) 1998-07-02
CN1043489C (zh) 1999-05-26
EP0625738A1 (fr) 1994-11-23
EP0625738B1 (fr) 1997-12-03
CH685185B5 (enExample) 1995-10-31
JPH07140265A (ja) 1995-06-02

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20120513