AU2003901650A0 - A radio beacon - Google Patents

A radio beacon

Info

Publication number
AU2003901650A0
AU2003901650A0 AU2003901650A AU2003901650A AU2003901650A0 AU 2003901650 A0 AU2003901650 A0 AU 2003901650A0 AU 2003901650 A AU2003901650 A AU 2003901650A AU 2003901650 A AU2003901650 A AU 2003901650A AU 2003901650 A0 AU2003901650 A0 AU 2003901650A0
Authority
AU
Australia
Prior art keywords
radio beacon
beacon
radio
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.)
Abandoned
Application number
AU2003901650A
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.)
STANDARD COMMUNICATIONS Pty Ltd
Original Assignee
STANDARD COMM Pty Ltd
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 STANDARD COMM Pty Ltd filed Critical STANDARD COMM Pty Ltd
Priority to AU2003901650A priority Critical patent/AU2003901650A0/en
Publication of AU2003901650A0 publication Critical patent/AU2003901650A0/en
Priority to PCT/AU2004/000450 priority patent/WO2004091090A1/en
Priority to GB0522567A priority patent/GB2420058B/en
Priority to AU2004227955A priority patent/AU2004227955A1/en
Abandoned 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/20—Calibration, including self-calibrating arrangements
    • G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/0226—Transmitters
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/0226—Transmitters
    • G01S5/0231—Emergency, distress or locator beacons
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/016—Personal emergency signalling and security systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/02—Details
    • H03B5/04—Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
    • H03L1/023—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using voltage variable capacitance diodes
    • H03L1/025—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using voltage variable capacitance diodes and a memory for digitally storing correction values
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
    • H03L1/027—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using frequency conversion means which is variable with temperature, e.g. mixer, frequency divider, pulse add/substract logic circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Transmitters (AREA)
AU2003901650A 2003-04-08 2003-04-08 A radio beacon Abandoned AU2003901650A0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2003901650A AU2003901650A0 (en) 2003-04-08 2003-04-08 A radio beacon
PCT/AU2004/000450 WO2004091090A1 (en) 2003-04-08 2004-04-07 A radio beacon
GB0522567A GB2420058B (en) 2003-04-08 2004-04-07 A radio beacon
AU2004227955A AU2004227955A1 (en) 2003-04-08 2004-04-07 A radio beacon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU2003901650A AU2003901650A0 (en) 2003-04-08 2003-04-08 A radio beacon

Publications (1)

Publication Number Publication Date
AU2003901650A0 true AU2003901650A0 (en) 2003-05-01

Family

ID=31500692

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003901650A Abandoned AU2003901650A0 (en) 2003-04-08 2003-04-08 A radio beacon

Country Status (3)

Country Link
AU (1) AU2003901650A0 (en)
GB (1) GB2420058B (en)
WO (1) WO2004091090A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7695335B2 (en) 2005-06-06 2010-04-13 Logeon Spec Ops, Inc. Marine locator device
FR2931949A1 (en) * 2008-06-03 2009-12-04 Tes Electronic Solutions Autonomous radio beacon for locating position of e.g. ship, has transmission paths comprising printed circuit board provided with microcontroller and frequency synthesizer, and amplifiers respectively connected to helical antennas by paths

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992692A (en) * 1975-07-23 1976-11-16 The United States Of America As Represented By The Secretary Of The Navy Programmable underwater acoustic beacon
CA2054599C (en) * 1990-10-31 1996-02-20 Nozomu Watanabe Radio transceiver having pll synthesizer
KR960015276B1 (en) * 1993-12-17 1996-11-07 양승택 Automatic frequency control in satellite communication
US6501340B1 (en) * 2002-02-11 2002-12-31 Acr Electronics, Inc. Oscillator with frequency stabilizing circuit and method of constructing same

Also Published As

Publication number Publication date
GB0522567D0 (en) 2005-12-14
GB2420058A (en) 2006-05-10
WO2004091090A1 (en) 2004-10-21
GB2420058B (en) 2007-04-11

Similar Documents

Publication Publication Date Title
AU2003293695A1 (en) Wireless communication
AU2003285138A1 (en) Directed wireless communication
AU2003270001A1 (en) Syncrhonization techniques for a wireless system
AU2003259388A1 (en) Wireless technology co-existence
AU2003273036A1 (en) Wireless communication system
AU2003242453A1 (en) Antenna for portable radio
AU2003275365A1 (en) Mobile station location
EP1524790B8 (en) Base station
AU2002368102A1 (en) Notched-fed antenna
AU2003253808A1 (en) Slot antenna
AU2003201511A1 (en) Wireless communication arrangements with a discovery procedure
AU2003220536A1 (en) A multiple channel wireless receiver
AU2003239920A1 (en) Wireless pick-and-pack system
AU2003284414A1 (en) Radio communication system
AU2003287198A1 (en) Directional antenna
AU2003290135A1 (en) Selection of access point in a wireless communication system
AU2003207477A1 (en) Cryptosync design for a wireless communication system
AU2003283971A1 (en) Multiple piece wireless phone
AU2003276268A1 (en) Mobile navigation
EP1619919B8 (en) Mobile station
AU2003284417A1 (en) Radio communication system
EP2276179B8 (en) Wireless communication device
AU2003201137A1 (en) A multi-band receiver
AU2003252082A1 (en) Wireless interface
AU2003207481A1 (en) A double f antenna