Patents by Inventor Albertus Abraham Labuschagne
Albertus Abraham Labuschagne has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11852455Abstract: A detonator which is used with a shock tube or a fibre optic cable and wherein an incident light signal is passed through a first impedance for communication purposes and a light signal associated with initiation of the detonator is passed through a second impedance which is less in value than the first impedance.Type: GrantFiled: January 27, 2020Date of Patent: December 26, 2023Assignee: DETNET SOUTH AFRICA (PTY) LTDInventors: Michiel Jacobus Kruger, Daniel Auguste Maurissens, Albertus Abraham Labuschagne, Andre Louis Koekemoer
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Patent number: 11686565Abstract: A control circuit for a detonator which includes a charger pump with an inductor which is connected to earth via a fusible link and wherein the charge pump is placed in an operative mode to produce a charging voltage for a firing capacitor if the link is fused in response to a shock tube event.Type: GrantFiled: January 27, 2020Date of Patent: June 27, 2023Assignee: DETNET SOUTH AFRICA (PTY) LTDInventors: Michiel Jacobus Kruger, Daniel Auguste Maurissens, Albertus Abraham Labuschagne, Andre Louis Koekemoer
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Patent number: 11604054Abstract: A detonator which is initiated by a shock tube event which is validated if a processor determines that a fusible link was not fused by a shock tube event at a predetermined time interval before light generated by the shock tube event is detected.Type: GrantFiled: January 24, 2020Date of Patent: March 14, 2023Assignee: DETNET SOUTH AFRICA (PTY) LTDInventors: Michiel Jacobus Kruger, Daniel Auguste Maurissens, Andre Louis Koekemoer, Albertus Abraham Labuschagne
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Publication number: 20220099422Abstract: A detonator which is initiated by a shock tube event which is validated if a processor determines that a fusible link was not fused by a shock tube event at a predetermined time interval before light generated by the shock tube event is detected.Type: ApplicationFiled: January 24, 2020Publication date: March 31, 2022Inventors: Michiel Jacobus Kruger, Daniel Auguste Maurissens, Andre Louis Koekemoer, Albertus Abraham Labuschagne
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Publication number: 20220090900Abstract: A detonator which is used with a shock tube or a fibre optic cable and wherein an incident light signal is passed through a first impedance for communication purposes and a light signal associated with initiation of the detonator is passed through a second impedance which is less in value than the first impedance.Type: ApplicationFiled: January 27, 2020Publication date: March 24, 2022Inventors: Michiel Jacobus Kruger, Daniel Auguste Maurissens, Albertus Abraham Labuschagne, Andre Louis Koekemoer
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Publication number: 20220082363Abstract: A control circuit for a detonator which includes a charger pump with an inductor which is connected to earth via a fusible link and wherein the charge pump is placed in an operative mode to produce a charging voltage for a firing capacitor if the link is fused in response to a shock tube event.Type: ApplicationFiled: January 27, 2020Publication date: March 17, 2022Inventors: Michiel Jacobus Kruger, Daniel Auguste Maurissens, Albertus Abraham Labuschagne, Andre Louis Koekemoer
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Patent number: 10890426Abstract: A detonator for use in a detonating system, which detonator includes discriminating and validating arrangements which sense and validate at least one characteristic of at least one parameter produced by at least one of a light, acoustic, vibratory, magnetic or electrical signal event, and an electronic timer which executes a timing interval in response thereto.Type: GrantFiled: February 27, 2019Date of Patent: January 12, 2021Assignee: DETNET SOUTH AFRICA (PTY) LTDInventors: Albertus Abraham Labuschagne, Andre Louis Koekemoer, Christopher Malcolm Birkin, Craig Charles Schlenter, Elmar Lennox Muller
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Patent number: 10527395Abstract: A detonator for use in a detonating system, which detonator includes discriminating and validating arrangements which sense and validate at least one characteristic of at least one parameter produced by at least one of a light, acoustic, vibratory, magnetic or electrical signal event, and an electronic timer which executes a timing interval in response thereto.Type: GrantFiled: February 24, 2017Date of Patent: January 7, 2020Assignee: DETNET SOUTH AFRICA (PTY) LTDInventors: Albertus Abraham Labuschagne, Andre Louis Koekemoer, Christopher Malcolm Birkin, Craig Charles Schlenter, Elmar Lennox Muller
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Publication number: 20190195605Abstract: A detonator for use in a detonating system, which detonator includes discriminating and validating arrangements which sense and validate at least one characteristic of at least one parameter produced by at least one of a light, acoustic, vibratory, magnetic or electrical signal event, and an electronic timer which executes a timing interval in response thereto.Type: ApplicationFiled: February 27, 2019Publication date: June 27, 2019Inventors: Albertus Abraham Labuschagne, Andre Louis Koekemoer, Christopher Malcolm Birkin, Craig Charles Schlenter, Elmar Lennox Muller
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Publication number: 20170322005Abstract: A detonator for use in a detonating system, which detonator includes discriminating and validating arrangements which sense and validate at least one characteristic of at least one parameter produced by at least one of a light, acoustic, vibratory, magnetic or electrical signal event, and an electronic timer which executes a timing interval in response thereto.Type: ApplicationFiled: February 24, 2017Publication date: November 9, 2017Inventors: Albertus Abraham Labuschagne, Andre Louis Koekemoer, Christopher Malcolm Birkin, Craig Charles Schlenter, Elmar Lennox Muller
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Patent number: 9625244Abstract: A timing module for use in a detonating system which includes discriminating and validating arrangements which sense and validate at least one characteristic of at least one parameter produced by at least one shock tube event and an electronic timer which executes a timing interval in response thereto.Type: GrantFiled: December 9, 2014Date of Patent: April 18, 2017Assignee: DETNET SOUTH AFRICA (PTY) LTD.Inventors: David Bruce Harding, Albertus Abraham Labuschagne, Andre Louis Koekemoer, Christopher Malcolm Birkin, Craig Charles Schlenter
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Publication number: 20150090144Abstract: A timing module for use in a detonating system which includes discriminating and validating arrangements which sense and validate at least one characteristic of at least one parameter produced by at least one shock tube event and an electronic timer which executes a timing interval in response thereto.Type: ApplicationFiled: December 9, 2014Publication date: April 2, 2015Inventors: David Bruce Harding, Albertus Abraham Labuschagne, Andre Louis Koekemoer, Christopher Malcolm Birkin, Craig Charles Schlenter
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Patent number: 8967048Abstract: A timing module for use in a detonating system which includes discriminating and validating arrangements which sense and validate at least one characteristic of at least one parameter produced by at least one shock tube event and an electronic timer which executes a timing interval in response thereto.Type: GrantFiled: July 11, 2011Date of Patent: March 3, 2015Assignee: Detnet South Africa (Pty) Ltd.Inventors: David Bruce Harding, Albertus Abraham Labuschagne, Andre Louis Koekemoer, Christopher Malcolm Birkin, Craig Charles Schlenter
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Publication number: 20120012019Abstract: A timing module for use in a detonating system which includes discriminating and validating arrangements which sense and validate at least one characteristic of at least one parameter produced by at least one shock tube event and an electronic timer which executes a timing interval in response thereto.Type: ApplicationFiled: July 11, 2011Publication date: January 19, 2012Inventors: David Bruce Harding, Albertus Abraham Labuschagne, Andre Louis Koekemoer, Christopher Malcolm Birkin, Craig Charles Schlenter
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Patent number: 7975613Abstract: The invention provides a blasting system which includes a plurality of electronic detonators which are configured in a blast array which has at least one row and a plurality of detonators in the row, each detonator including a memory in which is stored at least a respective identity code which is dependent, at least, on the row on which the detonator is, and on the detonator's position in the row, a harness which interconnects the detonators, and at least one control unit, connected to the harness, which generates a signal to fire the detonators.Type: GrantFiled: December 7, 2010Date of Patent: July 12, 2011Assignee: Detnet South Africa (Pty) LimitedInventors: Albertus Abraham Labuschagne, Andre Louis Koekemoer, Craig Charles Schlenter
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Patent number: 7946227Abstract: A detonator system which includes an array of a plurality of discrete time delay relays (16) connected in series to one another, and a plurality of detonators (28) which are respectively connected to the array at spaced intervals (22).Type: GrantFiled: April 16, 2007Date of Patent: May 24, 2011Assignee: DetNet South Africa (Pty) LimitedInventors: Andre Koekemoer, Albertus Abraham Labuschagne, Schagen Diederik Van Soelen, Riaan Lingerfelder Van Wyk
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Publication number: 20110100244Abstract: The invention provides a blasting system which includes a plurality of electronic detonators which are configured in a blast array which has at least one row and a plurality of detonators in the row, each detonator including a memory in which is stored at least a respective identity code which is dependent, at least, on the row on which the detonator is, and on the detonator's position in the row, a harness which interconnects the detonators, and at least one control unit, connected to the harness, which generates a signal to fire the detonators.Type: ApplicationFiled: December 7, 2010Publication date: May 5, 2011Applicant: DETNET SOUTH AFRICA (PTY) LIMITEDInventors: Albertus Abraham Labuschagne, Andre Louis Koekemoer, Craig Charles Schlenter
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Publication number: 20100132576Abstract: A detonator system which includes an array of a plurality of discrete time delay relays (16) connected in series to one another, and a plurality of detonators (28) which are respectively connected to the array at spaced intervals (22).Type: ApplicationFiled: April 16, 2007Publication date: June 3, 2010Inventors: Andre Koekemoer, Albertus Abraham Labuschagne, Schagen Diederik Van Soelen, Riaan Lingerfelder Van Wyk
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Patent number: 7694627Abstract: A marker for use in a blasting system which includes a harness, the marker including a control unit, a memory in which information is stored and a connector for connection to a selected location on the harness whereby, upon receipt of an enabling signal via the harness, the information is made available by the control unit.Type: GrantFiled: July 13, 2004Date of Patent: April 13, 2010Assignee: Detnet South Africa (Pty) Ltd.Inventors: Andre Louis Koekemoer, Albertus Abraham Labuschagne
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Patent number: 7530311Abstract: A blasting system which includes a control unit, a communications bus which is connected to the control unit, a plurality of detonators which are connected in sequence to the communications bus along its length, and a daisy chain connection between the control unit and the detonators, and wherein, within the sequence of detonators, a first detonator makes use of the daisy chain connection to enable a second following detonator so that data can be exchanged between the control unit and the second detonator using the communications bus.Type: GrantFiled: July 13, 2004Date of Patent: May 12, 2009Assignee: Detnet South Africa (Pty) Ltd.Inventors: Andre Louis Koekemoer, Albertus Abraham Labuschagne