JPS5122797B1 - - Google Patents

Info

Publication number
JPS5122797B1
JPS5122797B1 JP45028260A JP2826070A JPS5122797B1 JP S5122797 B1 JPS5122797 B1 JP S5122797B1 JP 45028260 A JP45028260 A JP 45028260A JP 2826070 A JP2826070 A JP 2826070A JP S5122797 B1 JPS5122797 B1 JP S5122797B1
Authority
JP
Japan
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.)
Pending
Application number
JP45028260A
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 filed Critical
Publication of JPS5122797B1 publication Critical patent/JPS5122797B1/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/755—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using delay lines, e.g. acoustic delay lines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/753—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using frequency selective elements, e.g. resonator
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
JP45028260A 1969-04-02 1970-04-02 Pending JPS5122797B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU5297069 1969-04-02

Publications (1)

Publication Number Publication Date
JPS5122797B1 true JPS5122797B1 (ja) 1976-07-12

Family

ID=3739082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45028260A Pending JPS5122797B1 (ja) 1969-04-02 1970-04-02

Country Status (12)

Country Link
JP (1) JPS5122797B1 (ja)
AR (1) AR211833A1 (ja)
BE (1) BE748053A (ja)
BR (1) BR7017853D0 (ja)
CH (1) CH522259A (ja)
DE (1) DE2015319C3 (ja)
FR (1) FR2038186A1 (ja)
GB (1) GB1290097A (ja)
IL (1) IL34201A0 (ja)
LU (1) LU60651A1 (ja)
NL (1) NL172893C (ja)
SE (1) SE341363B (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4481428A (en) * 1981-05-19 1984-11-06 Security Tag Systems, Inc. Batteryless, portable, frequency divider useful as a transponder of electromagnetic radiation
US4413254A (en) * 1981-09-04 1983-11-01 Sensormatic Electronics Corporation Combined radio and magnetic energy responsive surveillance marker and system
US4642640A (en) * 1983-04-25 1987-02-10 Sensormatic Electronics Corporation Signal receptor-reradiator and surveillance tag using the same
US4736207A (en) * 1986-01-31 1988-04-05 Sensormatic Electronics Corporation Tag device and method for electronic article surveillance
US5095240A (en) * 1989-11-13 1992-03-10 X-Cyte, Inc. Inductively coupled saw device and method for making the same
US4951057A (en) * 1989-11-13 1990-08-21 X-Cyte, Inc. Inductive input/output coupling for a surface acoustic wave device
US20210261334A1 (en) * 2018-06-11 2021-08-26 Hivetracker Sa A System for Determining the Location of Mobile Units in a Warehouse and a Warehouse Provided with Such System

Also Published As

Publication number Publication date
IL34201A0 (en) 1970-05-21
BE748053A (fr) 1970-09-28
DE2015319C3 (de) 1980-02-21
DE2015319B2 (de) 1979-06-28
SE341363B (ja) 1971-12-20
FR2038186A1 (ja) 1971-01-08
DE2015319A1 (de) 1970-10-15
BR7017853D0 (pt) 1973-04-17
NL7004749A (ja) 1970-10-06
NL172893C (nl) 1983-11-01
GB1290097A (ja) 1972-09-20
CH522259A (fr) 1972-06-15
LU60651A1 (ja) 1971-06-14
AR211833A1 (es) 1978-03-31
NL172893B (nl) 1983-06-01

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