AU492376B1 - Microwave alarm - Google Patents

Microwave alarm

Info

Publication number
AU492376B1
AU492376B1 AU83216/75A AU8321675A AU492376B1 AU 492376 B1 AU492376 B1 AU 492376B1 AU 83216/75 A AU83216/75 A AU 83216/75A AU 8321675 A AU8321675 A AU 8321675A AU 492376 B1 AU492376 B1 AU 492376B1
Authority
AU
Australia
Prior art keywords
microwave alarm
microwave
alarm
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
AU83216/75A
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.)
Commonwealth Scientific and Industrial Research Organization CSIRO
Original Assignee
Commonwealth Scientific and Industrial Research Organization CSIRO
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 Commonwealth Scientific and Industrial Research Organization CSIRO filed Critical Commonwealth Scientific and Industrial Research Organization CSIRO
Priority to AU83216/75A priority Critical patent/AU492376B1/en
Application granted granted Critical
Publication of AU492376B1 publication Critical patent/AU492376B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08—Measuring electromagnetic field characteristics
    • G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
    • G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16585—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 for individual pulses, ripple or noise and other applications where timing or duration is of importance
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
AU83216/75A 1974-08-05 1974-08-05 Microwave alarm Expired AU492376B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU83216/75A AU492376B1 (en) 1974-08-05 1974-08-05 Microwave alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU83216/75A AU492376B1 (en) 1974-08-05 1974-08-05 Microwave alarm

Publications (1)

Publication Number Publication Date
AU492376B1 true AU492376B1 (en) 1977-01-20

Family

ID=3761359

Family Applications (1)

Application Number Title Priority Date Filing Date
AU83216/75A Expired AU492376B1 (en) 1974-08-05 1974-08-05 Microwave alarm

Country Status (1)

Country Link
AU (1) AU492376B1 (en)

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