WO2001031295A1 - Method for detecting the position of an object - Google Patents
Method for detecting the position of an object Download PDFInfo
- Publication number
- WO2001031295A1 WO2001031295A1 PCT/DE2000/001529 DE0001529W WO0131295A1 WO 2001031295 A1 WO2001031295 A1 WO 2001031295A1 DE 0001529 W DE0001529 W DE 0001529W WO 0131295 A1 WO0131295 A1 WO 0131295A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- position data
- transmitter
- receiver
- data receiver
- data transmitter
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
-
- 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
- G01S5/0295—Proximity-based methods, e.g. position inferred from reception of particular signals
-
- 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
- G01S1/68—Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information
Definitions
- the invention relates to a method for detecting the
- Position of a moving object It further relates to a position data transmitter, a position data receiver and the position detection system consisting of the position data transmitter and the position data receiver for carrying out the method.
- GPS Global Positioning System
- the position is usually calculated by targeting the available transmitters (satellites or radio transmitters) from a receiving device.
- transmitters tellites or radio transmitters
- When moving through an area there may be dead spots, so that network reception is not possible.
- the same problem arises when moving within cities, for example where there is often a lack of visual contact with the satellites when the object moves in urban canyons.
- the US satellites only publish a certain degree of accuracy in the GPS system.
- automobiles with GPS systems can use the coordinates calculated using the satellites and other vehicle information, for example the distance traveled after the odometer reading or the digitized data of an electronic map, are compared.
- This object is achieved by a method in which a large number of position data transmitters are positioned at different locations and these position data transmitters each send their position data in a spatially narrow, separate transmission area.
- Each object has a mobile position data receiver, which automatically receives the transmitted position data of this position data transmitter when it enters the transmission range of a position data transmitter and processes it and / or displays it.
- the precise, predetermined location of the transmitter can be transmitted to a position data receiver entering the transmission area in a simple manner. Since it is a short-range transmitter, which depending on the type of transmitter either only within a radius of a few meters or is to be received within a maximum of approx. 100 m, the position data receiver is inevitably in the direct vicinity of the position data transmitter when the position data is received, so that the received position data except for the short distance of the object to
- Position data transmitter match. If the sender is recognizable for the object, for example a person, and the object goes directly to the sender, an almost 100% accurate location determination is possible in this way, which only shows the deviations that are also present in an exact one Mapping and land surveying are inevitable.
- This position data can then be displayed optically, for example by means of a display, or acoustically, for example by means of an announcement, by the position data receiver.
- the position data can also be processed for use in other applications, for example navigation or security systems.
- the term "further processing" is also to be understood here as a further sending of the data to a more distant recipient. This is useful, for example, in security systems in which the exact position of a moving object, for example a motor vehicle, is to be tracked by remote transmission.
- the position data can be sent out in different coordinate systems. For one, z. B. an output m the geographic data, ie m longitude and latitude. In addition, it is also possible to output m in the form of grid squares etc. according to a given map. In particular, the position can be assigned directly within an electronic map and the position can be displayed in this way on a display. It is also possible to use the method according to the invention in addition to a further independent location system. This can be the network-based or satellite-based positioning systems already mentioned at the beginning. The position data determined by the additional location system can be compared with the corresponding position data whenever a position data transmitter transmits the exact location. If several exact locations obtained from the position data transmitters are stored and the data determined accordingly via the network or satellite-based positioning system, systematic errors can also be corrected if necessary.
- position data transmitters each with a position data memory and a short-range transmitter, are required to transmit the position data.
- these position data transmitters are accordingly positioned at different locations in such a way that they have separate transmission areas which should not overlap.
- a position data receiver with a short-range receiving point for receiving the position data and a corresponding device for further processing of the received position data or a display device for displaying this data must be located on the object.
- the position data transmitters each first send out a readiness signal.
- This readiness signal signals a position data receiver entering the transmission area that there is a position data transmitter which can transmit corresponding position data.
- the position data receiver then sends out an interrogation signal which is received by the position data transmitter.
- the position data are only sent to the after receiving this query signal
- Position data receiver sent out In particular, this method enables the position data receiver sends an authorization signal to query the position data and that this authorization signal is checked by the position data provider before sending the position data. In this way it can be ensured, for example, that only authorized position data receivers receive the signal.
- An authorization to receive the position data can, for example, be linked to the payment of a fee for the use of the system.
- the position data are transmitted in coded form by the position data transmitter and decoded by the position data receiver using a corresponding key, the possession of a corresponding key in turn being able to be made dependent on the payment of a fee.
- Both the position data transmitter and the position data receiver preferably have a mains-independent voltage supply.
- the position data receivers which are mobile devices.
- the supply is usually ensured by batteries, rechargeable batteries or, if necessary, solar cells.
- a connection to the vehicle network i.e. H. to the vehicle battery or alternator.
- the position data transmitters can also be connected to a mains voltage as stationary devices. This offers itself when using such devices in urban areas. In particular, however, when using such position data transmitters in the field, for example on hiking trail signs or the like, an autonomous supply using solar cells and accumulators is useful.
- the position data should advantageously be stored in a non-volatile memory in order to prevent the data from being deleted in the event of a brief power failure.
- the data can either be stored in the memory directly in different coordinate systems.
- the position data transmitter it is also possible for the position data transmitter to convert the data on request to the various coordinate systems and to send them to the position data receiver.
- the position data it is also possible for the position data to always be issued in a predetermined standardized manner and for the position data receiver to then convert the data m into the desired form.
- a conventional mobile terminal for example a mobile phone, a watch or a PDA, can preferably be used as the position data receiver, which is equipped with a corresponding device for receiving and processing the position data and which has a short-range radio interface.
- a short-range radio interface on the part of the position data receiver and also on the part of the position data transmitter is a so-called “Bluetooth” module, which is able to communicate bidirectionally via a 2.4 gigahertz channel.
- This bidirectional interface is used it is consequently a transmission / reception message via which the position data and all other signals, such as the ready signal, the authorization signal, etc. can be received or sent, depending on the module type, the range is in the range of approximately 10 m or approximately 100 m.
- other short-range interfaces such as infrared interfaces, can also be used.
- these interfaces have the disadvantage that the user has to align them with one another. This means that the user must first recognize where a corresponding transmitter stands, and then specifically aligns its receiver to take over the exact coordinates.
- the position data receiver automatically indicates this by entering an acoustic or optical signal, a vibration signal or the like when entering the transmission range of a position data transmitter.
- a further advantageous embodiment of the invention provides that, together with the position data, the position data transmitter transmits additional information that is relevant at the respective location, for example local weather data, historical information about a structure at a location, price information, local traffic news or warning notices.
- additional information can already be present in the position data receiver or an associated memory, the additional information being assigned to the respective locations.
- FIG. 1 shows a schematic illustration of a position data transmitter with a narrowly limited transmission range and a position data receiver moving into the transmission range
- FIG. 2 shows a schematic illustration of a position detection system with a plurality of position data transmitters distributed in a city on different striking buildings and a mobile position data receiver.
- the position data transmitter 1 has a position data memory 8 and a short-range transmitter 9 for transmitting the position data.
- the transmitter 9 is a so-called “Bluetooth” module.
- the position data transmitter 1 can also have further components (not shown here), such as a keyboard or interface for entering the position data, an accumulator or solar cells.
- position data receiver 3 A suitably equipped mobile phone 3 or a smart phone with a short-range wireless interface 10 also serves here in the form of a “Bluetooth * module 10.
- the received position data are shown on the usual display 4 of the mobile phone 3.
- FIG. 2 This is a position detection system for an electronic city map.
- the position data transmitter 1 and the position data receiver 3 are shown in an exemplary embodiment in FIG. 2.
- This is a position detection system for an electronic city map.
- the position data transmitter 1 and the position data receiver 3 are shown in an exemplary embodiment in FIG. 2.
- This is a position detection system for an electronic city map.
- the position data transmitter 1 and the position data receiver 3 are shown in an exemplary embodiment in FIG. 2.
- Position data transmitter 1 set up. Via the mobile phone carried by a person and serving as position data receiver 3, the corresponding coordinates are automatically transmitted to the transmission area 2 of the respective transmitter 9 of a position data transmitter 1 when it penetrates.
- the person for example a tourist, thus finds out his current position.
- This position is output either in the form of coordinates or in the form of a grid square in accordance with a city map available to the tourist. This output can take place on the display 4 or acoustically.
- the mobile phone 3 can also have a corresponding program, with which the data are further processed so that the position is visualized directly on a city map shown in the display 4.
- an electronic travel guide to be stored in the device 3, which also contains further information about some of the coordinates. > ⁇ W ⁇ _ P- * P>
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00943598A EP1228345A1 (en) | 1999-10-28 | 2000-05-15 | Method for detecting the position of an object |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19951994 | 1999-10-28 | ||
DE19951994.3 | 1999-10-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001031295A1 true WO2001031295A1 (en) | 2001-05-03 |
Family
ID=7927203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2000/001529 WO2001031295A1 (en) | 1999-10-28 | 2000-05-15 | Method for detecting the position of an object |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1228345A1 (en) |
CN (1) | CN1498337A (en) |
WO (1) | WO2001031295A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004111676A1 (en) * | 2003-06-12 | 2004-12-23 | Koninklijke Philips Electronics N.V. | Location broadcasting method and apparatus |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19633240A1 (en) * | 1996-08-17 | 1998-02-19 | Bosch Gmbh Robert | Method of identifying a vehicle on a road |
US5790052A (en) * | 1994-11-05 | 1998-08-04 | Robert Bosch Gmbh | Method for determining the position of a vehicle on a road |
US5806017A (en) * | 1996-08-19 | 1998-09-08 | Board Of Regents The University Of Texas System | Electronic autorouting navigation system for visually impaired persons |
-
2000
- 2000-05-15 EP EP00943598A patent/EP1228345A1/en not_active Withdrawn
- 2000-05-15 CN CNA008150680A patent/CN1498337A/en active Pending
- 2000-05-15 WO PCT/DE2000/001529 patent/WO2001031295A1/en not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5790052A (en) * | 1994-11-05 | 1998-08-04 | Robert Bosch Gmbh | Method for determining the position of a vehicle on a road |
DE19633240A1 (en) * | 1996-08-17 | 1998-02-19 | Bosch Gmbh Robert | Method of identifying a vehicle on a road |
US5806017A (en) * | 1996-08-19 | 1998-09-08 | Board Of Regents The University Of Texas System | Electronic autorouting navigation system for visually impaired persons |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004111676A1 (en) * | 2003-06-12 | 2004-12-23 | Koninklijke Philips Electronics N.V. | Location broadcasting method and apparatus |
Also Published As
Publication number | Publication date |
---|---|
CN1498337A (en) | 2004-05-19 |
EP1228345A1 (en) | 2002-08-07 |
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