Patents by Inventor Lawrence Bernardo Dela Cruz
Lawrence Bernardo Dela Cruz 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).
-
Patent number: 11108282Abstract: A powered joint having a first joint component and second joint component in which the first joint component has multiple degrees of rotational freedom with respect to the second joint component, the powered joint including one or more power transmission coils associated with the first component; a plurality of power receiving coils associated with the second component; a sensor which determines the orientation of the second component with respect to the first component; and a control circuit for selectively connecting one of the plurality of power receiving coils to a power receiving circuit based on information received from the sensor.Type: GrantFiled: November 27, 2018Date of Patent: August 31, 2021Assignee: Apple Inc.Inventors: Fady Mishriki, Lawrence Bernardo dela Cruz, Daniel James Robertson, John Kinnear Terry, Saining Ren
-
Patent number: 11043841Abstract: A coil arrangement for an inductive power transfer system comprising a core (32, 33) having a region of decreased permeability (34), a coil (45) associated with the core, and a tuning slug (35) which is moveable along an axis adjacent the region of decreased permeability in order to adjust the inductance of the coil arrangement, the tuning slug (35) having an effective permeability which varies along said axis.Type: GrantFiled: November 13, 2018Date of Patent: June 22, 2021Assignee: Apple Inc.Inventor: Lawrence Bernardo dela Cruz
-
Patent number: 10818430Abstract: An inductive power transfer transmitter that includes an enclosure for accommodating devices to be energised. The enclosure has one or more side walls and one or more coils for generating an alternating magnetic field within the enclosure. The density of the one or more coils varies with distance from an end of the one or more sidewalls.Type: GrantFiled: September 22, 2015Date of Patent: October 27, 2020Assignee: Apple Inc.Inventor: Lawrence Bernardo Dela Cruz
-
Patent number: 10784707Abstract: An inductive power receiving device configured to: supply power received with a power receiving coil to a load in a first mode; determine whether a converter voltage exceeds a threshold voltage; in response to the determining the converter voltage exceeds the threshold voltage after sending a charging mode request, switch to supplying power received with the power receiving coil to the load in a second mode; and in response to determining the converter voltage coil exceeds the threshold voltage before sending the charging mode request is sent, prevent at least a portion of the power received with the power receiving coil from reaching the load. An inductive power transmitting device configured to provide an alternating current voltage to a power transmitting coil and gradually increase the voltage after receiving a charging mode request and stop gradually increasing the voltage once an inductive power receiving device changes modes.Type: GrantFiled: September 20, 2018Date of Patent: September 22, 2020Assignee: Apple Inc.Inventors: Ron Rafer Floresca, Saining Ren, Michael Scott Eckert, Daniel Lorenz Huber, Selestino Langi Rodan, Lawrence Bernardo dela Cruz
-
Patent number: 10608470Abstract: An inductive power transfer receiver is provided including a receiving coil (13) in series with a capacitor (14), a voltage multiplier (15) for providing a DC output, and a power control switch (18) controlled by a controller (19) for regulating the power supplied to a load. An inductive power transfer receiver is provided including a receiving coil in series with a capacitor, a charge pump for providing a DC output, and a power control switch controlled by a controller for regulating the power supplied to a load. A method of power flow control in an inductive power transfer circuit having a power control switch is also provided. The method includes detecting two operational transitions in the circuit and determining a reference timing bases on which operational transition is detected earliest within a detection window. The reference timing is used to developing a signal for controlling the power control switch.Type: GrantFiled: October 29, 2013Date of Patent: March 31, 2020Assignee: Apple Inc.Inventors: Saining Ren, Lawrence Bernardo Dela Cruz, Daniel Robertson
-
Publication number: 20190341797Abstract: An inductive power receiving device configured to: supply power received with a power receiving coil to a load in a first mode; determine whether a converter voltage exceeds a threshold voltage; in response to the determining the converter voltage exceeds the threshold voltage after sending a charging mode request, switch to supplying power received with the power receiving coil to the load in a second mode; and in response to determining the converter voltage coil exceeds the threshold voltage before sending the charging mode request is sent, prevent at least a portion of the power received with the power receiving coil from reaching the load. An inductive power transmitting device configured to provide an alternating current voltage to a power transmitting coil and gradually increase the voltage after receiving a charging mode request and stop gradually increasing the voltage once an inductive power receiving device changes modes.Type: ApplicationFiled: September 20, 2018Publication date: November 7, 2019Inventors: Ron Rafer Floresca, Saining Ren, Michael Scott Eckert, Daniel Lorenz Huber, Selestino Langi Rodan, Lawrence Bernardo dela Cruz
-
Publication number: 20190097472Abstract: A powered joint having a first joint component and second joint component in which the first joint component has multiple degrees of rotational freedom with respect to the second joint component, the powered joint including one or more power transmission coils associated with the first component; a plurality of power receiving coils associated with the second component; a sensor which determines the orientation of the second component with respect to the first component; and a control circuit for selectively connecting one of the plurality of power receiving coils to a power receiving circuit based on information received from the sensor.Type: ApplicationFiled: November 27, 2018Publication date: March 28, 2019Inventors: Fady Mishriki, Lawrence Bernardo dela Cruz, Daniel James Robertson, John Kinnear Terry, Saining Ren
-
Publication number: 20190081511Abstract: A coil arrangement for an inductive power transfer system comprising a core (32, 33) having a region of decreased permeability (34), a coil (45) associated with the core, and a tuning slug (35) which is moveable along an axis adjacent the region of decreased permeability in order to adjust the inductance of the coil arrangement, the tuning slug (35) having an effective permeability which varies along said axis.Type: ApplicationFiled: November 13, 2018Publication date: March 14, 2019Inventor: Lawrence Bernardo dela Cruz
-
Patent number: 9953762Abstract: The invention relates to a contactless connector (100), a system including the contactless connector (100) and a corresponding mating connector (200), and a manufacturing method for the contactless connector. In order to enable the contactless connector (100) to transmit/receive power to/from the corresponding mating connector (200), the invention suggest providing at the contactless connector an inner ferrite element (102) and an inductive coupling element (110) arranged to at least partially surround the inner ferrite element. An outer ferrite element (107) of the contactless connector is arranged to at least partially surround the inductive coupling element (110), wherein a front end (108) of the outer ferrite element (107) facing the mating (101) end of the contactless connector is recessed in an axial direction of the contactless connector with respect to a front end (103) of the inner ferrite element (102) facing the mating end.Type: GrantFiled: June 10, 2013Date of Patent: April 24, 2018Assignee: TE Connectivity Nederland B.V.Inventors: Wijnand Van Gils, Peter Dirk Jaeger, Gied Habraken, Guus Mertens, Saining Ren, Lawrence Bernardo dela Cruz, Rex Pius Huang, Ali Abdolkhani
-
Publication number: 20170373605Abstract: An inductive power receiver 3 comprising: a power pick up stage 9; and a power rectification and regulation stage 10 including a rectifier having a plurality of control devices, wherein at least one of the control devices is a controllable AC switch, wherein the receiver is configured to switch the at least one AC switch according to an open circuit control strategy.Type: ApplicationFiled: December 9, 2015Publication date: December 28, 2017Applicant: PowerbyProxi LimitedInventors: Lawrence Bernardo DELA CRUZ, Ron Rafer FLORESCA
-
Publication number: 20170346339Abstract: An inductive power transfer transmitter 200 comprising: a transmitting coil 7; a main flyback switch S1 in series with the transmitting coil 7; and an active snubber circuit 202 connected in parallel with the main flyback switch S1; wherein the main flyback switch S1 and the active snubber circuit 202 are configured to provide substantially zero voltage switchingType: ApplicationFiled: November 4, 2015Publication date: November 30, 2017Applicant: PowerbyProxi LimitedInventor: Lawrence Bernardo DELA CRUZ
-
Publication number: 20170301462Abstract: An inductive power transfer transmitter that includes an enclosure for accommodating devices to be energised. The enclosure has one or more side walls and one or more coils for generating an alternating magnetic field within the enclosure. The density of the one or more coils varies with distance from an end of the one or more sidewalls.Type: ApplicationFiled: September 22, 2015Publication date: October 19, 2017Applicant: PowerbyProxi LimitedInventor: Lawrence Bernardo DELA CRUZ
-
Publication number: 20170134017Abstract: An overcurrent protection circuit for use in a power supply system to control switching on of the circuit. The circuit is connected between a voltage source and a load. A current sensing resistor senses the current flowing to the load and a pair of thermally coupled transistor switches detect a predetermined voltage drop across the current sensing resistor when the current in the current sensing resistor exceeds a first threshold. A control switch limits the power delivered to the load from the voltage source when the pair of transistor switches detecting the predetermined voltage drop.Type: ApplicationFiled: November 7, 2014Publication date: May 11, 2017Inventors: Lawrence Bernardo DELA CRUZ, Rex Pius HUANG
-
Publication number: 20170025901Abstract: An inductive power receiver including a receiving coil, first capacitor and power conditioning circuitry for providing power to a load. The inductive power receiver also includes a variable capacitance and/or a variable inductance connected in parallel with at least one of the receiving coil and the first capacitor. The variable capacitance includes a variable impedance and a second capacitor having a capacitance at least twice the capacitance of the first capacitor. The variable inductance includes a variable impedance and an inductor having an inductance at least twice the inductance of the receiving coil. A control circuit controls the variable impedance based on a load voltage input and a reference voltage input so as to regulate the power provided to the load.Type: ApplicationFiled: April 2, 2014Publication date: January 26, 2017Inventor: Lawrence Bernardo DELA CRUZ
-
Patent number: 9466420Abstract: The invention relates to a contactless connector (100), a system including the contactless connector (100) and a corresponding mating connector (200), and a manufacturing method for the contactless connector. In order to enable the contactless connector to transmit/receive power to/from the corresponding mating connector, the invention suggest providing at the contactless connector an inner ferrite element (102, 202) and an inductive coupling element (110) arranged to at least partially surround the inner ferrite element. An outer ferrite element (107, 207) of the contactless connector is arranged to at least partially surround the inductive coupling element (110), wherein a front end (108) of the outer ferrite element (107) facing the mating end of the contactless connector is recessed in an axial direction of the contactless connector with respect to a front end (103) of the inner ferrite element (102, 202) facing the mating end (101).Type: GrantFiled: June 10, 2013Date of Patent: October 11, 2016Assignee: TE Connectivity Nederland B.V.Inventors: Wijnand Van Gils, Peter Dirk Jaeger, Gied Habraken, Guus Mertens, Saining Ren, Lawrence Bernardo Dela Cruz, Rex Pius Huang, Ali Abdolkhani
-
Publication number: 20150364931Abstract: A wireless power transfer system including a power transmitter and power receiver including magnetically permeable cores having a base portion and an axial core portion extending away therefrom with windings provided upon the axial core portion. The arrangement is particularly suited for use in wireless power connectors.Type: ApplicationFiled: August 24, 2015Publication date: December 17, 2015Inventors: Saining REN, Rex Pius HUANG, Ali ABDOLKHANI, Lawrence Bernardo DELA CRUZ
-
Publication number: 20150295418Abstract: An inductive power transfer receiver is provided including a receiving coil (13) in series with a capacitor (14), a voltage multiplier (15) for providing a DC output, and a power control switch (18) controlled by a controller (19) for regulating the power supplied to a load. An inductive power transfer receiver is provided including a receiving coil in series with a capacitor, a charge pump for providing a DC output, and a power control switch controlled by a controller for regulating the power supplied to a load. A method of power flow control in an inductive power transfer circuit having a power control switch is also provided. The method includes detecting two operational transitions in the circuit and determining a reference timing bases on which operational transition is detected earliest within a detection window. The reference timing is used to developing a signal for controlling the power control switch.Type: ApplicationFiled: October 29, 2013Publication date: October 15, 2015Inventors: Saining Ren, Lawrence Bernardo Dela Cruz, Daniel Robertson
-
Publication number: 20150170831Abstract: The invention relates to a contactless connector (100), a system including the contactless connector (100) and a corresponding mating connector (200), and a manufacturing method for the contactless connector. In order to enable the contactless connector (100) to transmit/receive power to/from the corresponding mating connector (200), the invention suggest providing at the contactless connector an inner ferrite element (102) and an inductive coupling element (110) arranged to at least partially surround the inner ferrite element. An outer ferrite element (107) of the contactless connector is arranged to at least partially surround the inductive coupling element (110), wherein a front end (108) of the outer ferrite element (107) facing the mating (101) end of the contactless connector is recessed in an axial direction of the contactless connector with respect to a front end (103) of the inner ferrite element (102) facing the mating end.Type: ApplicationFiled: June 10, 2013Publication date: June 18, 2015Inventors: Wijnand Van Gils, Peter Dirk Jaeger, Gied Habraken, Guus Mertens, Saining Ren, Lawrence Bernardo Dela Cruz, Rex Pius Huang, Ali Abdolkhani
-
Publication number: 20150138031Abstract: The invention relates to a contactless connector (100), a system including the contactless connector (100) and a corresponding mating connector (200), and a manufacturing method for the contactless connector. In order to enable the contactless connector to transmit/receive power to/from the corresponding mating connector, the invention suggest providing at the contactless connector an inner ferrite element (102, 202) and an inductive coupling element (110) arranged to at least partially surround the inner ferrite element. An outer ferrite element (107, 207) of the contactless connector is arranged to at least partially surround the inductive coupling element (110), wherein a front end (108) of the outer ferrite element (107) facing the mating end of the contactless connector is recessed in an axial direction of the contactless connector with respect to a front end (103) of the inner ferrite element (102, 202) facing the mating end (101).Type: ApplicationFiled: June 10, 2013Publication date: May 21, 2015Applicant: TE Connectivity Nederland BVInventors: Wijnand Van Gils, Peter Dirk Jaeger, Gied Habraken, Guus Mertens, Saining Ren, Lawrence Bernardo Dela Cruz, Rex Pius Huang, Ali Abdolkhani