NO753462L - - Google Patents

Info

Publication number
NO753462L
NO753462L NO753462A NO753462A NO753462L NO 753462 L NO753462 L NO 753462L NO 753462 A NO753462 A NO 753462A NO 753462 A NO753462 A NO 753462A NO 753462 L NO753462 L NO 753462L
Authority
NO
Norway
Prior art keywords
receiver
transmitter
radio
signals
short
Prior art date
Application number
NO753462A
Other languages
English (en)
Norwegian (no)
Inventor
F Dapiran
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of NO753462L publication Critical patent/NO753462L/no

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
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B29/00—Apparatus for mountaineering
    • A63B29/02—Mountain guy-ropes or accessories, e.g. avalanche ropes; Means for indicating the location of accidentally buried, e.g. snow-buried, persons
    • A63B29/021—Means for indicating the location of accidentally buried, e.g. snow-buried, persons
NO753462A 1974-10-17 1975-10-14 NO753462L (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT28553/74A IT1022984B (it) 1974-10-17 1974-10-17 Unita autonoma monoblocca atta a svoloere la duplice funzione di elemento attivo e passivo di una apparecchiatura per l individuazione e la ricerca di persone sepolte

Publications (1)

Publication Number Publication Date
NO753462L true NO753462L (it) 1976-04-21

Family

ID=11223779

Family Applications (1)

Application Number Title Priority Date Filing Date
NO753462A NO753462L (it) 1974-10-17 1975-10-14

Country Status (9)

Country Link
US (1) US4045799A (it)
JP (1) JPS5165594A (it)
CH (1) CH599719A5 (it)
DE (1) DE2545066C3 (it)
FR (1) FR2288315A1 (it)
GB (1) GB1516740A (it)
IT (1) IT1022984B (it)
NO (1) NO753462L (it)
SE (1) SE7511456L (it)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58148526A (ja) * 1982-02-26 1983-09-03 Mitsubishi Electric Corp 救難用信号装置
DE3211381A1 (de) * 1982-03-27 1983-10-13 Ruhrkohle Ag, 4300 Essen Verschuettetensuchanordnung
FR2576168A1 (fr) * 1985-01-17 1986-07-18 Candiotti Roger Dispositif pour le reperage mutuel de deux personnes
JPS6265527A (ja) * 1985-09-17 1987-03-24 Eiji Sugata 行方不明者の捜索方法
JPS6346572A (ja) * 1986-08-13 1988-02-27 Toshiba Corp 検索装置
NL8703113A (nl) * 1987-12-23 1988-03-01 Hollandse Signaalapparaten Bv Rondzoekradarsysteem.
US4850031A (en) * 1988-01-15 1989-07-18 Allsop J I Avalanche victim locating apparatus
DE3817272A1 (de) * 1988-05-20 1989-11-30 Armin Dr Tiefengraber Skifahrer-sicherheitspass-system liftkarte, skipass o. ae. zusammen mit inikator (sender + empfaenger + energiequelle o. ae.) als einheit
AT392366B (de) * 1988-10-18 1991-03-25 Hartwig Strobl Sport Und Rettu Verfahren und einrichtung zur funk-notpeilung
JPH02226821A (ja) * 1989-02-28 1990-09-10 Yuhshin Co Ltd 個人間連絡装置
WO1995004440A1 (en) * 1993-07-28 1995-02-09 Board Of Regents, The University Of Texas System Remotely controlled, infrared beacon system for guiding the visually impaired
US5554993A (en) * 1994-01-04 1996-09-10 Panasonic Technologies, Inc. Global position determining system and method
JPH09149921A (ja) * 1995-09-26 1997-06-10 Shimadzu Corp 救護支援装置
US5806017A (en) * 1996-08-19 1998-09-08 Board Of Regents The University Of Texas System Electronic autorouting navigation system for visually impaired persons
US6167249A (en) * 1997-01-22 2000-12-26 John W. Hereford Avalanche victim locating transceiving apparatus
FR2759171B1 (fr) * 1997-02-06 1999-04-23 Option Ind Procede et dispositif pour la detection et la localisation de personnes ensevelies par exemple sous une avalanche
US6141558A (en) * 1998-05-07 2000-10-31 Motorola, Inc. Method and apparatus for locating a subscriber unit in a communication system
JP3949312B2 (ja) * 1999-03-11 2007-07-25 シャープ株式会社 通信装置位置検出システム
US20030186677A1 (en) * 2002-03-27 2003-10-02 Anderson James Lynn Apparatus and method for directionalized active beacon pinging utilizing personal communication device
US6621448B1 (en) 2002-04-05 2003-09-16 The Regents Of The University Of California Non-contact radar system for reconstruction of scenes obscured under snow and similar material
DE50213400D1 (de) * 2002-06-14 2009-05-07 Phonak Ag Verfahren zum Betrieb eines Hörgerätes und Anordnung mit einem Hörgerät
US6963301B2 (en) * 2002-08-19 2005-11-08 G-Track Corporation System and method for near-field electromagnetic ranging
US7307595B2 (en) * 2004-12-21 2007-12-11 Q-Track Corporation Near field location system and method
US7298314B2 (en) * 2002-08-19 2007-11-20 Q-Track Corporation Near field electromagnetic positioning system and method
US7414571B2 (en) * 2002-08-19 2008-08-19 Q-Track Corporation Low frequency asset tag tracking system and method
CA2443751A1 (en) * 2003-10-22 2005-04-22 Douglas Kashuba Avalanche transceiver
US8266272B2 (en) * 2005-11-07 2012-09-11 Hewlett-Packard Development Company, L.P. Methods for IT network representation and associated computer program products
SE1130067A1 (sv) * 2011-07-08 2013-01-09 Comtrack Ab Transpondersystem
US9075124B2 (en) * 2012-01-11 2015-07-07 Archer Quest, Inc. Apparatus for arrow locating and game tracking
WO2015006711A1 (en) * 2013-07-11 2015-01-15 Akka, Inc. System and method to find lost objects
US9844700B1 (en) * 2015-06-14 2017-12-19 Grady Burleson, Jr. Avalanche self-rescue device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3199101A (en) * 1960-09-16 1965-08-03 Servo Corp Of America Radiosonde and tracking system
CH539440A (de) * 1971-12-24 1973-07-31 Autophon Ag Gerät zur Suche von je ein gleiches Gerät tragenden verschütteten Personen

Also Published As

Publication number Publication date
DE2545066B2 (de) 1978-08-31
JPS5165594A (it) 1976-06-07
FR2288315A1 (fr) 1976-05-14
DE2545066A1 (de) 1976-04-29
SE7511456L (sv) 1976-04-20
DE2545066C3 (de) 1979-05-23
GB1516740A (en) 1978-07-05
IT1022984B (it) 1978-04-20
CH599719A5 (it) 1978-05-31
US4045799A (en) 1977-08-30

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