US20080198062A1 - Method for Operation of a Radar Sensor - Google Patents

Method for Operation of a Radar Sensor Download PDF

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Publication number
US20080198062A1
US20080198062A1 US10/568,846 US56884604A US2008198062A1 US 20080198062 A1 US20080198062 A1 US 20080198062A1 US 56884604 A US56884604 A US 56884604A US 2008198062 A1 US2008198062 A1 US 2008198062A1
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United States
Prior art keywords
radar sensor
sensor
coverage field
slot antennas
antenna
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
US10/568,846
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English (en)
Inventor
Klaus Mezger
Leon Audergon
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.)
Bircher Reglomat AG
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Individual
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Filing date
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Assigned to BIRCHER REGLOMAT AG reassignment BIRCHER REGLOMAT AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: AUDERGON, LEON, MEZGER, KLAUS
Publication of US20080198062A1 publication Critical patent/US20080198062A1/en
Priority to US12/464,341 priority Critical patent/US7755540B2/en
Abandoned legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/04—Systems determining presence of a target
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/04—Systems determining the presence of a target
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4004—Means for monitoring or calibrating of parts of a radar system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/064—Two dimensional planar arrays using horn or slot aerials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/267—Phased-array testing or checking devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
    • E05F2015/432—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with acoustical sensors
    • E05F2015/433—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with acoustical sensors using reflection from the obstruction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
    • E05F2015/434—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with cameras or optical sensors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F2015/487—Fault detection of safety edges
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/52—Safety arrangements associated with the wing motor
    • E05Y2400/53—Wing impact prevention or reduction
    • E05Y2400/54—Obstruction or resistance detection

Definitions

  • the invention relates to a method for operation of a radar sensor in the near area for production of a detectable coverage field for the identification of people and/or stationary objects by means of an antenna.
  • the coverage field is too complex to determine and to adjust.
  • the position of the radar sensor for example in the wall, must be inclined or changed manually.
  • Corresponding radar sensors are used, for example, on automatic doors and gates, which are used to open and close the doors and gate and at the same time prevent people being jammed in them or injured.
  • the sensors can be constructed on the basis of passive infrared, active infrared, ultrasound and radar.
  • Motion sensors and presence sensors are frequently also combined in one appliance. For example, a radar motion sensor is frequently used in conjunction with an active infrared presence sensor.
  • the senor and evaluation electronics are frequently separated from one another in the housing, thus necessitating an additional separate holder and further connectors, etc.
  • a further disadvantage is that conventional radar sensors require a large installation volume and an undesirable installation depth, and simple manual setting, or adjustment is impossible.
  • infrared sensors may be provided, which can disadvantageously be influenced by stray light so that the sensors do not operate uniformly and continuously, particularly in the presence of sunlight.
  • conventional radar sensors with integrated infrared presence sensors cannot be used everywhere owing to the character of the ground or floor, and different ground or floor reflection levels. The reflection behavior in the case of conventional infrared presence sensors must be entered in the sensor and must be trimmed, and this is undesirable.
  • the conventional system must itself be adjusted and regulated out over each type of ground or floor. Certain types of ground or floor do not provide adequate reflection, so that it is not possible to use conventional sensors or radar sensors. Air movements can undesirably influence the process, particularly in the case of ultrasound sensors.
  • the present invention is based on the object of providing a method and a radar sensor for carrying out the method, which overcome the stated disadvantages and by means of which a coverage field can be set and changed easily in a simple and cost-effective manner.
  • a further aim is that it should be continuously possible to check the serviceability of the radar sensor during operation.
  • a further aim is to considerably reduce the manufacturing costs, installation costs and adjustment costs.
  • a radar sensor it has been found to be particularly advantageous for a radar sensor to have a plurality of slot antennas, which are provided on a base surface, in order to change the coverage field electronically.
  • the dynamic radar sensor may additionally have an associated presence sensor, which is likewise provided with an electronically adjustable coverage field.
  • the coverage field can be influenced by the number of corresponding slot antennas and by the arrangement of the corresponding slot antennas with respect to one another on the base surface.
  • the coverage field can be adjusted for a specific type, for example by means of a remote control, which stores the values for one specific type and transmits them to the corresponding radar sensor.
  • the slot antennas, the presence sensor and the evaluation electronics, possibly as well as an auxiliary antenna are used in a form integrated in a base body, with the electronics being provided, for example, on a rear face of the base body.
  • the present invention also has the advantage that the size as well as the position of the coverage field that is produced, as well as the emission angle ⁇ , can be influenced by means of the selectable distance A and/or the distance B between two slot antennas which are arranged one above the other and/or two slot antennas which are arranged alongside one another. This makes it possible, in particular, to accurately detect moving objects in the dynamic field that is produced, as the coverage field.
  • a presence sensor may be associated with the radar sensor, in particular the dynamic radar sensor.
  • the presence sensor it is also intended to be within the scope of the present invention for the presence sensor to be used autonomously and independently of the radar sensor, in order to identify static objects in a presence field.
  • the presence sensor can be aligned with a desired width and length and, in particular, by the use of one transmitter and one receiver, in particular by determining the angles of the phase-shifted received signals, to locate and determine the position and the size of the object. This is likewise intended to be within the scope of the present invention.
  • the presence sensor is preferably a radar sensor, in particular an FMCW radar sensor, with an integrated independent auxiliary antenna for carrying out self-tests.
  • An identifiable output signal is produced at the receiving antenna by influencing the useful field energy. This makes it possible to check the entire signal path including the antennas within the sensor system.
  • the present invention has the advantage that suitable and selectable coverage fields can be produced in particular by the formation of different arrangements of slot antennas and can still be changed electronically, for example by means of a remote control.
  • the slot antennas essentially form the motion sensor or dynamic sensor, with the presence sensor being used only for distance and phase measurement in order to identify a stationary obstruction.
  • the position or size of the coverage field can also be adjusted electronically by means of a remote control, in which case these self-tests can be carried out by means of an integrated, independent auxiliary antenna.
  • the presence sensor as well as the radar sensor
  • the radar sensor can be accommodated either individually or else in a combined form in a common radar sensor or combination sensor, and can be mounted on door frames, walls, in front of corresponding doors, gates or the like, without any corresponding mechanical adjustment mechanisms.
  • any desired combinations of presence and motion sensors and/or radar sensors are possible. These are likewise intended to be within the scope of the present invention.
  • FIG. 1 a shows a schematically illustrated plan view of a radar sensor according to the invention
  • FIG. 1 b shows schematically illustrated side views of one possible usage position of the radar sensor shown in FIG. 1 a;
  • FIGS. 2 a to 4 each show plan views of further exemplary embodiments of further radar seniors.
  • FIGS. 5 a and 5 b show further exemplary embodiments of the radar sensors as shown in FIGS. 2 to 4 , in each case in the form of side views.
  • the radar sensor R 1 comprises a base body 1 which has an outer base surface 2 that is preferably formed from metal.
  • a plurality of antennas, in particular slot antennas 3 are provided in the base surface 2 , and/or are formed from the base surface 2 .
  • the slot antennas 3 are preferably in the form of a dielectric from the base surface 2 , or are cut out of it as a dielectric. Any desired antennas of widely different types and configurations may be used as antennas 3 . However, it is preferable to use slot antennas 3 .
  • an arrangement 4 formed from the individual slot antennas 3 is provided centrally in the base plate 2 , so that this makes it possible to generate a specific wavefront which produces a desired coverage field 5 or dynamic field D at an emission angle ⁇ , see FIG. 1 b.
  • the emission angle ⁇ can be influenced to determine and localize the coverage field 5 only by means of the distances A and/or B, which may be selected or designed to be different, between the slot antennas 3 , which are provided arranged one above the other and alongside one another in the base plate 2 .
  • variation of the distance A and/or B between the two slot antennas 3 allows the emission angle ⁇ to be influenced and the width and size of the coverage field 5 at a specific point to be determined.
  • a radar sensor R 1 as a function of a specific installation height M H , and which can be produced specifically for any installation location. If required, the coverage field can also be finely adjusted by remote control by means of appropriate phase shifting.
  • the emission angle ⁇ and the field size can be influenced and varied by electronic control of the energy levels emitted from the individual antenna elements, in particular slot antennas 3 .
  • electronic adjustment capabilities can be achieved by obtaining and evaluating the phase information, that is to say evaluation of the frequency and phase, allowing electronic scanning and electronic field limiting of the coverage field. It is thus also possible to influence changing installation heights M H in the radar sensor R 1 .
  • a plurality of slot antennas 3 may be provided one above the other as well as a plurality of slot antennas 3 alongside one another, preferably at the same height in the base surface 2 of the radar sensor R 1 .
  • a first arrangement 6 . 1 is preferably formed from 3 slot antennas which are arranged one above the other and parallel to one another, with a second arrangement of virtually identical slot antennas 3 being formed alongside this, and at a distance from it.
  • the respective adjacent slot antennas 3 in the arrangements 6 . 1 . 6 . 2 are at the same height.
  • FIGS. 2 a to 2 c show a sensor R 2 in which two or four slot antennas 3 are provided, with in each case two arrangements 6 . 1 being aligned one above the other and two arrangements 6 . 2 being aligned alongside one another in the base plate 2 . Furthermore, it is likewise possible to influence the size and the emission angle ⁇ of the received field 5 .
  • FIG. 3 shows a radar sensor R 3 in which two arrangements 6 . 1 , 6 . 2 are provided alongside one another, and are each composed of four slot antennas 3 arranged one above the other.
  • FIG. 4 shows a radar sensor R 4 which is formed from three arrangements 6 . 1 to 6 . 3 , which are arranged alongside one another and are each formed from three slot antennas 3 arranged one above the other.
  • the scope of the invention is also intended to cover, in particular, at least two arrangements 6 . 1 , 6 . 2 being formed from at least two slot antennas 3 alongside one another, in which case a plurality of arrangements 6 . 1 to 6 . 3 can be formed alongside one another, with any desired number of slot antennas 3 in the base surface 2 .
  • the size of the coverage field 5 can be influenced as a function of the emission angle ⁇ , as a function of a selectable and predetermined or determinable installation height M H , as is indicated in particular in FIG. 1 b.
  • the emission angle ⁇ is likewise determined via the installation height M H , which is generally predetermined, and over a selectable and determinable emission angle ⁇ based on the arrangement of the slot antennas 3 in the base surface 2 of the radar sensor R 1 , in order to produce the coverage field 5 in a desired dynamic field D at a desired distance from the sensor R 1 .
  • the size of the coverage field 5 and the distance from the sensor to the coverage field 5 can be influenced in particular via the arrangement of the slot antenna 3 for a predetermined or selected installation height M H .
  • At least one presence sensor 7 which is indicated in FIGS. 1 a and 1 b here and is provided in one side surface 8 , can be associated with the radar sensor R 1 to R 4 .
  • the presence sensor 7 can also be produced autonomously as a single component.
  • the side surfaces 8 and base surface 2 are preferably formed at an angle to one another, in particular at right angles to one another, so that the presence sensor 7 can be used to detect an additional coverage field 9 or presence field P.
  • This additional coverage field 9 is used, for example, to identify a stationary obstruction, for example in the movement area of a door or a gate.
  • Another important feature of the present invention is that fine setting or adjustment of the emission angle ⁇ is possible, for example for fine setting or fine adjustment, for example by means of a remote control by phase shifting the individual reflective received signals between the slot antennas 3 .
  • This allows the size of and the distance of the coverage field 5 to be influenced and varied very easily by means of a remote control, thus ensuring that installation involves extremely little effort.
  • the radar sensor R 1 can be configured very easily via a remote control.
  • a first installed radar sensor prefferably configured, and for these parameters to be stored in the remote control in order to just transmit this data via the remote control to the subsequent, further radar sensors that need to be set.
  • This is likewise intended to be within the scope of the present invention.
  • each radar sensor R 1 to R 4 and/or presence sensors 7 it is also intended to be within the scope of the present invention to have the capability for each radar sensor R 1 to R 4 and/or presence sensors 7 to have at least one associated auxiliary antenna 10 , which draws energy from the existing radar sensor.
  • a test supply which may be at the same frequencies as or at different frequencies from the antenna, in particular the slot antenna 3 , can be produced in particular by loading the actual field of the radar sensor R 1 to R 4 as well as that of the presence sensor 7 .
  • the corresponding signals can generate the test signal permanently, so that the serviceability of the radar sensor and/or the presence sensor 7 can be checked all the time.
  • the auxiliary antenna 10 may be designed to be autonomous, and can check the serviceability of the radar sensor R 1 to R 4 and/or that of the presence sensor 7 as well all the time.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
US10/568,846 2003-08-19 2004-08-10 Method for Operation of a Radar Sensor Abandoned US20080198062A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/464,341 US7755540B2 (en) 2003-08-19 2009-05-12 Method for operation of a radar sensor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10338536A DE10338536A1 (de) 2003-08-19 2003-08-19 Verfahren zum Betreiben eines Radarsensors
DE10338536.3 2003-08-19
PCT/EP2004/008922 WO2005019859A2 (de) 2003-08-19 2004-08-10 Verfahren zum betreiben eines radarsensors

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/008922 A-371-Of-International WO2005019859A2 (de) 2003-08-19 2004-08-10 Verfahren zum betreiben eines radarsensors

Related Child Applications (1)

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US12/464,341 Division US7755540B2 (en) 2003-08-19 2009-05-12 Method for operation of a radar sensor

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US10/568,846 Abandoned US20080198062A1 (en) 2003-08-19 2004-08-10 Method for Operation of a Radar Sensor
US12/464,341 Active US7755540B2 (en) 2003-08-19 2009-05-12 Method for operation of a radar sensor

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US (2) US20080198062A1 (de)
EP (3) EP1640742A1 (de)
JP (1) JP2007502969A (de)
AU (1) AU2004266348B2 (de)
DE (2) DE10338536A1 (de)
WO (1) WO2005019859A2 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070103336A1 (en) * 2004-12-20 2007-05-10 Balluff Gmbh High-frequency position/path sensor for detecting the approach of an object and method for detecting the approach of an object
US20090219188A1 (en) * 2003-08-19 2009-09-03 Bircher Reglomat Ag Method for operation of a radar sensor
US20140361868A1 (en) * 2013-06-06 2014-12-11 Optex Co., Ltd. Object detection system
CN112272780A (zh) * 2019-11-04 2021-01-26 深圳市大疆创新科技有限公司 地杂波抑制与地形估计方法、无人机、旋转雷达及存储介质

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005034048A1 (de) * 2005-07-21 2007-01-25 Robert Bosch Gmbh Bewegungsmelder
DE102005056579A1 (de) 2005-11-25 2007-06-06 Bircher Reglomat Ag Sensorelement zum Öffnen von Türen und Toren
WO2008084058A2 (de) 2007-01-12 2008-07-17 4 Tec Ag Radarsensor für die steuerung von automatischen türen, automatische tür mit einem solchen radarsensor, und verfahren zum betrieb einer solchen tür
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EP1640742A1 (de) 2006-03-29
EP1612578B1 (de) 2009-07-15
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US7755540B2 (en) 2010-07-13
DE502004009755D1 (de) 2009-08-27

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