Patents by Inventor Dusan Veselic
Dusan Veselic 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: 11715961Abstract: A switching-mode power system and method utilizing a rechargeable primary higher-current density energy cell and a rechargeable secondary lower-current density cell are disclosed. The system and method employ a collection of switches that are dynamically actuated so as to selectively interconnect and repurpose a minimal arrangement of components. This facilitates the selective provision of power to a portable device or system from a rechargeable primary high-current density energy cell or a rechargeable secondary lower-current density cell.Type: GrantFiled: November 30, 2020Date of Patent: August 1, 2023Assignee: FUNDAMENTAL INNOVATION SYSTEMS INTERNATIONAL LLCInventor: Dusan Veselic
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Patent number: 11588402Abstract: The present technology relates to systems and methods for rapidly charging a battery of a device when the device is attached to an AC adapter. Some embodiments of the present disclosure describe an activation circuit in an AC adaptor and a detection circuit in a downstream device that cooperatively ensure optimal power delivery. Some embodiments of the present disclosure describe a device with a system load, a battery, and a control circuit, wherein the control circuit is configured to provide the battery with a charging current of Ibat=Imax?Isys when the device is in a USB compliant mode of operation and a charging current of Ibat=Imax when the device is connected to an AC adapter.Type: GrantFiled: May 18, 2018Date of Patent: February 21, 2023Assignee: FUNDAMENTAL INNOVATION SYSTEMS INTERNATIONAL LLCInventor: Dusan Veselic
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Publication number: 20210167608Abstract: A switching-mode power system and method utilizing a rechargeable primary higher-current density energy cell and a rechargeable secondary lower-current density cell are disclosed. The system and method employ a collection of switches that are dynamically actuated so as to selectively interconnect and repurpose a minimal arrangement of components. This facilitates the selective provision of power to a portable device or system from a rechargeable primary high-current density energy cell or a rechargeable secondary lower-current density cell.Type: ApplicationFiled: November 30, 2020Publication date: June 3, 2021Inventor: Dusan Veselic
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Publication number: 20200112253Abstract: The present technology relates to systems and methods for rapidly charging a battery of a device when the device is attached to an AC adapter. Some embodiments of the present disclosure describe an activation circuit in an AC adaptor and a detection circuit in a downstream device that cooperatively ensure optimal power delivery. Some embodiments of the present disclosure describe a device with a system load, a battery, and a control circuit, wherein the control circuit is configured to provide the battery with a charging current of Ibat=Imax?Isys when the device is in a USB compliant mode of operation and a charging current of Ibat=Imax when the device is connected to an AC adapter.Type: ApplicationFiled: May 18, 2018Publication date: April 9, 2020Applicant: FUNDAMENTAL INNOVATION SYSTEMS INTERNATIONAL LLCInventor: Dusan Veselic
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Patent number: 8829847Abstract: A power management method with a portable electronic device (100) includes identifying, with a controller (202) of the portable electronic device, a power consumption event in the portable electronic device, the power consumption event having a power consumption requirement. The method further includes selecting (818), in response to the identifying, one of a collection of energy storage devices (304, 306, 308, 320) in an energy storage device farm (218) for the portable electronic device, the selecting being based at least on the power consumption requirement of the power consumption event and on one or more characteristics of the one of the plurality of energy storage devices. The portable electronic device executes the power consumption event using energy stored in the selected one of the plurality of energy storage devices. The portable electronic device (100) may be a mobile phone or other wireless communication device.Type: GrantFiled: November 1, 2011Date of Patent: September 9, 2014Assignee: BlackBerry LimitedInventors: Eric Thomas Eaton, Dusan Veselic, Jeffrey Charles Bos
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Patent number: 8760119Abstract: A mobile device adapted for dynamic power management. The mobile device includes an output power port, a voltage converter adapted to convert an input voltage to provide an output voltage to the output power port, and a processor. The processor is adapted to monitor at least one load electrically to determine when the at least one load will become active or inactive, determine a minimum required output voltage to be provided by the voltage converter based on the at least one load that will become active or inactive, control the voltage converter to provide at least the minimum required output voltage on the output power port in advance of the at least one load becoming active or after the at least one load becomes inactive, and when the input voltage is below the first threshold, control the voltage converter to reduce the output voltage.Type: GrantFiled: June 28, 2013Date of Patent: June 24, 2014Assignee: BlackBerry LimitedInventors: Lyall Kenneth Winger, Dusan Veselic, Martin George Albert Guthrie
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Patent number: 8718719Abstract: A system and method for managing battery slump in a battery-powered communications device including: an input configured for receiving battery voltage level information; an output configured for sending a signal for terminating a transmission; and a controller connected to the input and the output and configured to receive the battery voltage level information from the input; monitor the battery voltage level information; and send a signal via the output to terminate a transmission if the battery voltage level information crosses a predetermined threshold during the transmission. In particular, the system and method may further include an input connected to the controller and configured for receiving a signal indicating when a transmission is beginning or occurring and the controller is further configured to receive and monitor the battery voltage level information only when the transmission is occurring.Type: GrantFiled: September 27, 2011Date of Patent: May 6, 2014Assignee: BlackBerry LimitedInventors: Martin George Albert Guthrie, Richard C. Madter, Dusan Veselic, Christopher Simon Book, Kent Arnold Nickerson
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Patent number: 8610407Abstract: Disclosed is a mobile device comprising a voltage supervisor and reset (VSAR) module configured to detect an input voltage, start a timer set to a predetermined time period responsive to detecting the input voltage, and output a low signal responsive to detecting the input voltage. The mobile device also comprises a battery charger module configured to receive the input voltage, receive the low signal, output a power signal, and charge a battery. The mobile device also comprises a processing module configured to receive the power signal, and attempt enumeration responsive to receiving the power signal, wherein the VSAR module is further configured to output a high signal to the battery charger module when the timer expires and enumeration has not been completed.Type: GrantFiled: October 4, 2012Date of Patent: December 17, 2013Assignee: BlackBerry LimitedInventors: Dusan Veselic, Alexei Skarine
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Publication number: 20130285614Abstract: A mobile device adapted for dynamic power management. The mobile device includes an output power port, a voltage converter adapted to convert an input voltage to provide an output voltage to the output power port, and a processor. The processor is adapted to monitor at least one load electrically to determine when the at least one load will become active or inactive, determine a minimum required output voltage to be provided by the voltage converter based on the at least one load that will become active or inactive, control the voltage converter to provide at least the minimum required output voltage on the output power port in advance of the at least one load becoming active or after the at least one load becomes inactive, and when the input voltage is below the first threshold, control the voltage converter to reduce the output voltage.Type: ApplicationFiled: June 28, 2013Publication date: October 31, 2013Applicant: Research In Motion LimitedInventors: Lyall Kenneth Winger, Dusan Veselic, Martin George Albert Guthrie
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Patent number: 8541983Abstract: A battery charging circuit comprising: a semiconductor switch having an output connected to a rechargeable battery; a battery charge controller for receiving power from an external source, and supplying output power to a portable device and the input of the semiconductor switch, the current output of the battery charge controller being controllable; and a voltage sensing circuit for: measuring the voltage drop across the battery charge controller; and responding to the voltage drop across the battery charge controller by modulating the semiconductor switch to reduce the quantity of current supplied to the rechargeable battery when the voltage drop is too great; whereby the total power dissipated by the battery charge controller is controlled, the portable device receiving the power it needs to operate and the rechargeable battery receiving any additional available power.Type: GrantFiled: July 1, 2011Date of Patent: September 24, 2013Assignee: BlackBerry LimitedInventors: Dusan Veselic, Martin George Albert Guthrie
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Patent number: 8509861Abstract: A power management method with a portable electronic device (100) includes identifying, with a controller (202) of the portable electronic device, a power consumption event in the portable electronic device, the power consumption event having a power consumption requirement. The method further includes selecting (818), in response to the identifying, one of a collection of energy storage devices (304, 306, 308, 320) in an energy storage device farm (218) for the portable electronic device, the selecting being based at least on the power consumption requirement of the power consumption event and on one or more characteristics of the one of the plurality of energy storage devices. The portable electronic device executes the power consumption event using energy stored in the selected one of the plurality of energy storage devices. The portable electronic device (100) may be a mobile phone or other wireless communication device.Type: GrantFiled: November 1, 2011Date of Patent: August 13, 2013Assignee: Research In Motion LimitedInventors: Eric Thomas Eaton, Dusan Veselic, Jeffrey Charles Bos
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Patent number: 8493029Abstract: A method of dynamic power management of a mobile device. The method includes monitoring at least one load to determine when at least one of the loads will become active or inactive, determining a minimum required output voltage level to be provided by a single voltage converter based on voltage level requirements of the at least one load that will become active or inactive, converting an input voltage level via the voltage converter to provide the minimum required output voltage level to the output power port in advance of the at least one load becoming active or after the at least one load becomes inactive, monitoring the input voltage level, determining whether the input voltage level is below a first threshold, and when the input voltage level is below the first threshold, reducing the output voltage level provided by the single voltage converter.Type: GrantFiled: June 8, 2012Date of Patent: July 23, 2013Assignee: Research In Motion LimitedInventors: Lyall Kenneth Winger, Dusan Veselic, Martin George Albert Guthrie
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Publication number: 20130134923Abstract: An apparatus, and an associated method, for providing charging energy to a portable power supply, sourced at the portable power supply of another portable electronic device. The portable electronic devices are arranged in a charging configuration in which the portable electronic device from which energy is to be sourced is coupled to the portable electronic device to which the charging energy is to be applied. A controller controls the charging operations to ensure that energy of a host portable power supply is not depleted beyond a minimum level, and the application of the charging energy is terminated when a recipient portable power supply is charged to a desired level or the host portable power supply is depleted to the minimum level.Type: ApplicationFiled: November 25, 2011Publication date: May 30, 2013Applicant: RESEARCH IN MOTION LIMITEDInventors: Michael Gregory Smith, Michael Joseph DeLuca, James Abraham Keane, Ryan Alexander Geris, Scott Leonard Dill, Henry Yao-Tsu Chen, Eric Thomas Eaton, Jeffrey Charles Bos, Dusan Veselic
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Patent number: 8436579Abstract: A battery charger for charging a plurality of batteries includes a plurality of charge managers and a cross-over controller coupled to the charge managers. The charge managers are coupled to a common power source that has a finite maximum available current. The cross-over controller is configured to continuously determine the charge current that is applied to one of the batteries by one of the charge managers, and to direct another one of the charge managers to apply to another one of the batteries a charge current that is based on the determined charge current. The total of the determined charge current that is applied to the one battery and the charge current that is applied to the other battery (prior to when the voltage across the other battery reaches a rated value) is continuously substantially equal to the maximum available current.Type: GrantFiled: May 22, 2009Date of Patent: May 7, 2013Assignee: Research In Motion LimitedInventor: Dusan Veselic
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Publication number: 20130109443Abstract: A power management method with a portable electronic device (100) includes identifying, with a controller (202) of the portable electronic device, a power consumption event in the portable electronic device, the power consumption event having a power consumption requirement. The method further includes selecting (818), in response to the identifying, one of a collection of energy storage devices (304, 306, 308, 320) in an energy storage device farm (218) for the portable electronic device, the selecting being based at least on the power consumption requirement of the power consumption event and on one or more characteristics of the one of the plurality of energy storage devices. The portable electronic device executes the power consumption event using energy stored in the selected one of the plurality of energy storage devices. The portable electronic device (100) may be a mobile phone or other wireless communication device.Type: ApplicationFiled: November 1, 2011Publication date: May 2, 2013Applicant: RESEARCH IN MOTION LIMITEDInventors: Eric Thomas EATON, Dusan VESELIC, Jeffrey Charles BOS
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Publication number: 20130106341Abstract: A power management method with a portable electronic device (100) includes identifying, with a controller (202) of the portable electronic device, a power consumption event in the portable electronic device, the power consumption event having a power consumption requirement. The method further includes selecting (818), in response to the identifying, one of a collection of energy storage devices (304, 306, 308, 320) in an energy storage device farm (218) for the portable electronic device, the selecting being based at least on the power consumption requirement of the power consumption event and on one or more characteristics of the one of the plurality of energy storage devices. The portable electronic device executes the power consumption event using energy stored in the selected one of the plurality of energy storage devices. The portable electronic device (100) may be a mobile phone or other wireless communication device.Type: ApplicationFiled: November 1, 2011Publication date: May 2, 2013Applicant: RESEARCH IN MOTION LIMITEDInventors: Eric Thomas EATON, Dusan VESELIC, Jeffrey Charles BOS
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Patent number: 8378527Abstract: A load device includes a power input having an interface to a power supply; a peripheral power bus including an internal capacitance, and an active switch coupled to the power input and the peripheral power bus for applying power from the power input to the peripheral power bus. The load device also includes a switch controller coupled to the active switch for regulating the in-rush current drawn by the internal capacitance through the active switch while the internal capacitance is being charged.Type: GrantFiled: June 2, 2004Date of Patent: February 19, 2013Assignee: Research In Motion LimitedInventors: Marc A Drader, David James Mak-Fan, Dusan Veselic
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Publication number: 20120306272Abstract: A method of dynamic power management of a mobile device. The method includes monitoring at least one load to determine when at least one of the loads will become active or inactive, determining a minimum required output voltage level to be provided by a single voltage converter based on voltage level requirements of the at least one load that will become active or inactive, converting an input voltage level via the voltage converter to provide the minimum required output voltage level to the output power port in advance of the at least one load becoming active or after the at least one load becomes inactive, monitoring the input voltage level, determining whether the input voltage level is below a first threshold, and when the input voltage level is below the first threshold, reducing the output voltage level provided by the single voltage converter.Type: ApplicationFiled: June 8, 2012Publication date: December 6, 2012Inventors: Lyall Winger, Dusan Veselic, Martin Guthrie
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Patent number: 8283897Abstract: The present invention is directed at a method of handling a device charging state for a Universal Serial Bus (USB) connected mobile electronic device comprising the steps of sensing a presence of a bus voltage; sensing an enumeration acknowledgement signal between the device and a USB host; and transmitting a signal to instruct the device to enter the device charging state.Type: GrantFiled: February 21, 2011Date of Patent: October 9, 2012Assignee: Research In Motion LimitedInventors: Dusan Veselic, Alexei Skarine
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Patent number: 8253371Abstract: An improved handheld electronic device in conjunction with an improved holder for the handheld electronic device together form an improved electronic device. The handheld electronic device includes a first battery, and the holder includes a second battery and a charging apparatus. When the handheld electronic device and the holder are electrically connected together, such as when the handheld electronic device is received in a cavity formed in the holder and a plurality of first contacts on the handheld electronic device and a plurality of second contacts on the holder are electrically connected together, the charging apparatus charges the first battery on the handheld electronic device from the second battery on the holder.Type: GrantFiled: December 11, 2008Date of Patent: August 28, 2012Assignee: Research In Motion LimitedInventors: Kamen B. Vitanov, Dusan Veselic