KR0155546B1 - 열변화 감지장치가 내장된 경보겸용 전화기 - Google Patents

열변화 감지장치가 내장된 경보겸용 전화기 Download PDF

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Publication number
KR0155546B1
KR0155546B1 KR1019900010852A KR900010852A KR0155546B1 KR 0155546 B1 KR0155546 B1 KR 0155546B1 KR 1019900010852 A KR1019900010852 A KR 1019900010852A KR 900010852 A KR900010852 A KR 900010852A KR 0155546 B1 KR0155546 B1 KR 0155546B1
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KR
South Korea
Prior art keywords
sensor
alarm
window
signal
telephone
Prior art date
Application number
KR1019900010852A
Other languages
English (en)
Korean (ko)
Other versions
KR910017177A (ko
Inventor
권오태
Original Assignee
권오태
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 권오태 filed Critical 권오태
Publication of KR910017177A publication Critical patent/KR910017177A/ko
Application granted granted Critical
Publication of KR0155546B1 publication Critical patent/KR0155546B1/ko

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/20—Actuation by change of fluid pressure
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
    • G08B13/1681—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using infrasonic detecting means, e.g. a microphone operating below the audible frequency range

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Burglar Alarm Systems (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
KR1019900010852A 1990-03-23 1990-07-18 열변화 감지장치가 내장된 경보겸용 전화기 KR0155546B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEG9003405.8 1990-03-23
DE9003405U DE9003405U1 (de) 1990-03-23 1990-03-23 Detektoranordnung für Luftdruckänderungen

Publications (2)

Publication Number Publication Date
KR910017177A KR910017177A (ko) 1991-11-05
KR0155546B1 true KR0155546B1 (ko) 1998-12-15

Family

ID=6852272

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900010852A KR0155546B1 (ko) 1990-03-23 1990-07-18 열변화 감지장치가 내장된 경보겸용 전화기

Country Status (4)

Country Link
KR (1) KR0155546B1 (de)
AU (1) AU7681591A (de)
DE (1) DE9003405U1 (de)
WO (1) WO1991015004A1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3419802C2 (de) * 1984-05-26 1986-05-15 Al Nour, Vaduz Einbruchalarmeinrichtung für abgeschlossene Räume
DE3572055D1 (en) * 1985-01-10 1989-09-07 Teletronic Hartmuth Jensen Sensor for monitoring systems
DE8915081U1 (de) * 1989-12-22 1990-02-08 Kwon, Ohtai, 2000 Hamburg Detektor für Luftdruckänderungen

Also Published As

Publication number Publication date
WO1991015004A1 (de) 1991-10-03
KR910017177A (ko) 1991-11-05
DE9003405U1 (de) 1990-07-26
AU7681591A (en) 1991-10-21

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