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1. 发明申请

WO2022126185A1 A MAGNETIC FIELD ANTENNA OF A METAL DETECTOR 审中-公开
公开(公告)号：WO2022126185A1
公开(公告)日：2022-06-23
申请号：PCT/AU2021/051493
申请日：2021-12-15
申请人： MINELAB ELECTRONICS PTY. LIMITED
发明人： CANDY, Bruce Halcro
IPC分类号： G01V3/10 , G01R33/12 , H02K3/04 , H01Q1/12
摘要： A hand-held metal detector coil, comprising a coil housing which houses aggregate transmit windings and aggregate receive windings; wherein the aggregate transmit windings comprise a major group of transmitting windings that comprise a first transmit winding, and the aggregate receives windings comprise a major group of receive windings that comprises a first receive winding; the coil further comprises a minor group of windings to null the aggregate receive windings with respect to the aggregate transmit windings; and wherein a mean location of turns of the major group of transmitting windings is further from a bottom plane of the coil housing than a mean location of turns of the major group of receive windings; the first transmit winding has at least part of their cross-sectional winding profile with a first cross-sectional axis longer than a second cross-sectional axis by at least a factor of 3.

2. 发明申请

WO2021016649A1 AN IMPROVED METAL DETECTOR 审中-公开
公开(公告)号：WO2021016649A1
公开(公告)日：2021-02-04
申请号：PCT/AU2020/000073
申请日：2020-07-27
申请人： MINELAB ELECTRONICS PTY. LIMITED
发明人： WHELAN, Benjamin, James , HARMER, Gregory, Peter , CURTIS, Ivan, Anthony , WAHRLICH, Philip, Shane
IPC分类号： G01V3/165 , G01V3/38
摘要： A method for detecting a target using a metal detector, comprising: transmitting a transmit magnetic field using a transmitter; determining positions of a receiver of the metal detector as the receiver changes positions; receiving receive magnetic fields due to the transmit magnetic field to produce receive signals associated with positions using the receiver and receive electronics; producing an audio output signal, wherein the audio output signal is dependent on one or more receive signals associated with positions related to a current determined position in a selected relationship.

3. 发明申请

WO2020210859A1 A METAL DETECTOR 审中-公开
公开(公告)号：WO2020210859A1
公开(公告)日：2020-10-22
申请号：PCT/AU2020/000034
申请日：2020-04-17
申请人： MINELAB ELECTRONICS PTY. LIMITED
发明人： GALL, Liam Ronald Cameron
IPC分类号： B25G1/04 , F16B7/14 , G01V3/12
摘要： A body for a handheld metal detector, the body comprising: a lower end configured to engage with a sensor head; an upper end comprising an armrest connected to an upper shaft element; and a grip element intermediate to the lower end and the upper end, the grip element comprising a grip portion configured to allow a user to hold the body, and a first retaining means for slidably retaining the upper shaft element such that the distance between the armrest and the grip element is able to be adjusted.

4. 发明申请

WO2023279168A1 A METAL DETECTOR 审中-公开
公开(公告)号：WO2023279168A1
公开(公告)日：2023-01-12
申请号：PCT/AU2022/050716
申请日：2022-07-08
申请人： MINELAB ELECTRONICS PTY. LIMITED
发明人： SHAPOVAL, Sergii , MAKAROWSKY, Alexander Albert John , STAMATESCU, Laurentiu , WARLICH, Philip Shane , HUANG, Ruifeng , XU, Zili
IPC分类号： G01R23/16 , G01R27/26 , G01R33/00 , G01V3/10 , G06Q50/12 , A61B5/00 , B65F1/00
摘要： A metal detector in a cover of a container, comprising: a first winding; an inner winding with a surface area that is less than that of the first winding; and an outer winding with a surface area that is greater than that of the first winding; wherein the inner winding is connected in series with the outer winding such that a magnetic coupling between (a) the first winding and (b) the inner and outer windings connected in series is substantially zero; and wherein shapes, locations and numbers of turns of the inner winding and the outer winding are selected such that the metal detector is less sensitive to a metal object outside the outer winding than inside the outer winding.

5. 发明申请

WO2020000014A1 AN IMPROVED METAL DETECTOR 审中-公开
公开(公告)号：WO2020000014A1
公开(公告)日：2020-01-02
申请号：PCT/AU2019/000079
申请日：2019-06-27
申请人： MINELAB ELECTRONICS PTY. LIMITED
发明人： WAHRLICH, Philip, Shane
IPC分类号： G06F16/587 , G01V3/08
摘要： A method for assisting a detection of a target by a metal detector, including: determining positions of a sensor head of the metal detector with respect to a coordinate system; transmitting a transmit magnetic field using a transmitter; receiving a receive magnetic field due to the transmit magnetic field using a receiver within the sensor head when the sensor head is at a determined position and associating the receive magnetic field with the determined position; analysing the receive magnetic field to determine useful information; storing the useful information associated to the determined position; repeating the steps of determining, transmitting, receiving, analysing and storing during a use of the metal detector; presenting, using a visual display, data based on selected stored useful information to a user of the metal detector, wherein the useful information is selected based on the following: a) a current position of the sensor head; and b) useful information associated with the current position or positions within a certain distance from the current position, or both; wherein the selection is adapted and configured to avoid or reduce cluttering of data on the visual display.

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