Patents Assigned to Mojo Mobility, Inc.
  • Patent number: 9112362
    Abstract: A system and method for improved transfer efficiency in a multi-dimensional inductive charger. In accordance with an embodiment, the system comprises a base unit having one or more transmitter coils; one or more receiver coils or receivers associated with one or more mobile device; one or more components including a ferromagnetic, ferrite, or other magnetic material or layer, that modify the magnitude and/or phase of an electromagnetic field in one or multiple dimensions; and one or more components within the base unit and/or the mobile device, for improving transfer efficiency. In accordance with various embodiments, the system can include a ferromagnetic, ferrite, or other magnetic material or layer that acts as a switching layer.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: August 18, 2015
    Assignee: Mojo Mobility, Inc.
    Inventor: Afshin Partovi
  • Patent number: 9112363
    Abstract: A system and method for intelligent charging of multiple electric or electronic devices with a multi-dimensional inductive charger. In accordance with an embodiment, the system comprises a base unit having one or more transmitter coils; one or more receiver coils or receivers associated with one or more mobile device; one or more components including a ferromagnetic, ferrite, or other magnetic material or layer, that modify the magnitude and/or phase of an electromagnetic field in one or multiple dimensions; and one or more components within the base unit and/or the mobile device, for intelligent charging of multiple mobile devices. In accordance with various embodiments, the base unit can determine the presence of a mobile device in proximity to the base unit, and wherein a receiver coil or receiver thereby activated performs an initiation process whereby its ID, presence, power, voltage or other requirements are communicated to the base unit.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: August 18, 2015
    Assignee: Mojo Mobility, Inc.
    Inventor: Afshin Partovi
  • Patent number: 9106083
    Abstract: A system and method for providing positioning freedom, and support of different voltages, protocols, and power levels in a wireless power system. In accordance with an embodiment, the system comprises a base unit having one or more transmitter coils; one or more components including a ferromagnetic, ferrite, or other magnetic material or layer, that modify the magnitude and/or phase of an electromagnetic field in one or multiple dimensions; and one or more components within the base unit and/or the mobile device, for positioning freedom, and support of different voltages, protocols, and power levels. In accordance with various embodiments, the base unit and mobile device can communicate with each other prior to and/or during charging or powering to determine a protocol to be used to charge or power the mobile device.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: August 11, 2015
    Assignee: Mojo Mobility, Inc.
    Inventor: Afshin Partovi
  • Patent number: 8947047
    Abstract: A system and method for improved efficiency and flexibility in inductive charging. In accordance with an embodiment, the system comprises a base unit having one or more primary coils, wherein each primary coil is configured so that when a current is passed through it, a magnetic field is generated in a direction substantially perpendicular to the plane of the primary coil; one or more secondary coils or receivers associated with one or more mobile device; and one or more components within the base unit and/or the mobile device, for improving efficiency and/or flexibility in inductive charging. When the one or more mobile device is placed in proximity to the base unit, the perpendicular magnetic field is used to inductively generate a current in the one or more secondary coils or receivers associated therewith, to charge or power the device.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: February 3, 2015
    Assignee: Mojo Mobility, Inc.
    Inventors: Afshin Partovi, Michael Sears
  • Patent number: 8901881
    Abstract: A system for intelligent initiation of an inductive charging process. In accordance with an embodiment, the system comprises a receiver coil or receiver associated with a mobile device, and provided as a separable or after-market accessory for use with the mobile device. When the mobile device is placed in proximity to a base unit having one or more charger coils, the charger coil is used to inductively generate a current in the receiver coil or receiver associated with the mobile device, to charge or power the mobile device. The base unit and mobile device communicate with each other prior to and/or during charging or powering to determine a protocol to be used to charge or power the mobile device.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: December 2, 2014
    Assignee: Mojo Mobility, Inc.
    Inventor: Afshin Partovi
  • Patent number: 8896264
    Abstract: A system and method for inductive charging with support for multiple charging protocols. In accordance with an embodiment, the system comprises a base unit having one or more charger coils, for use in inductive charging; and one or more components within the base unit and/or a mobile device for supporting multiple different charging protocols, for use with the mobile device. When a mobile device having one or more receiver coils or receivers associated with, is placed in proximity to the base unit, the system determines a charging protocol for use with the charger coil to inductively generate a current in the receiver coil or receiver associated with the mobile device, to charge or power the mobile device.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: November 25, 2014
    Assignee: Mojo Mobility, Inc.
    Inventor: Afshin Partovi
  • Patent number: 8890470
    Abstract: In the field of wireless power, to enable interoperability between chargers and receivers, it is important that the two parts of the system (the charger and receiver) can communicate in a manner that allows operation. With the proliferation of different communication schemes, a multi-protocol system that can adapt and interoperate with different communication protocols allows maximum interoperability. Described herein are systems and methods for providing such multi-protocol operation and maximum interoperability. Also described herein are methods for use of magnets in or around magnetically sensitive devices such that the operation of such a device is not impaired. Applications in various devices and systems are described. In particular, applications for fastening mobile devices to their cases or other surfaces, and also alignment or attachment for power transfer or charging are described.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: November 18, 2014
    Assignee: Mojo Mobility, Inc.
    Inventor: Afshin Partovi
  • Publication number: 20140306654
    Abstract: Systems and methods for enabling transfer of power, from a wireless charger or power supply, to one or more receivers placed on or near the wireless charger or power supply, including powering or charging one or multiple receivers or devices having small surface areas or volumes. In accordance with an embodiment, a receiver coil can be generally shaped as a blade or thin solenoid, which receives power inductively, which is then used to power or charge one or more electronic devices. Applications include inductive or magnetic charging and power, and particularly usage in mobile, electronic, electric, lighting, or other devices, batteries, power tools, kitchen, industrial, medical or dental, or military applications, vehicles, robots, trains, and other usages.
    Type: Application
    Filed: April 14, 2014
    Publication date: October 16, 2014
    Applicant: Mojo Mobility, Inc.
    Inventor: Afshin Partovi
  • Patent number: 8629652
    Abstract: A power source, charging system, and inductive receiver for mobile devices. A pad or similar base unit comprises a primary, which creates a magnetic field by applying an alternating current to a winding, coil, or any type of current carrying wire. A receiver comprises a means for receiving the energy from the alternating magnetic field and transferring it to a mobile or other device. The receiver can also comprise electronic components or logic to set the voltage and current to the appropriate levels required by the mobile device, or to communicate information or data to and from the pad. The system may also incorporate efficiency measures that improve the efficiency of power transfer between the charger and receiver.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: January 14, 2014
    Assignee: Mojo Mobility, Inc.
    Inventors: Afshin Partovi, Michael Sears
  • Patent number: 8629654
    Abstract: A system and method for variable power transfer in an inductive charging or power system. In accordance with an embodiment the system comprises a pad or similar base unit that contains a primary, which creates an alternating magnetic field. A receiver comprises a means for receiving energy from the alternating magnetic field and transferring it to a mobile device, battery, or other device. In accordance with various embodiments, additional features can be incorporated to provide greater power transfer efficiency, and to allow the system to be easily modified for applications that have different power requirements; such as variations in the material used to manufacture the primary and/or the receiver coils; modified circuit designs to be used on the primary and/or receiver side; and additional circuits and components that perform specialized tasks, such as mobile device or battery identification, and automatic voltage or power-setting for different devices or batteries.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: January 14, 2014
    Assignee: Mojo Mobility, Inc.
    Inventors: Afshin Partovi, Michael Sears
  • Publication number: 20130300204
    Abstract: Systems and methods for enabling efficient wireless power transfer, and charging of devices and batteries, in a manner that allows freedom of placement of the devices or batteries in one or multiple (e.g., one, two or three) dimensions. In accordance with various embodiments, applications include inductive or magnetic charging and power, and wireless powering or charging of, e.g., mobile, electronic, electric, lighting, batteries, power tools, kitchen, military, medical or dental, industrial applications, vehicles, trains, or other devices or products. In accordance with various embodiments, the systems and methods can also be generally applied, e.g., to power supplies or other power sources or charging systems, such as systems for transfer of wireless power to a mobile, electronic or electric device, vehicle, or other product.
    Type: Application
    Filed: March 14, 2013
    Publication date: November 14, 2013
    Applicant: Mojo Mobility, Inc.
    Inventor: Afshin Partovi
  • Patent number: 8169185
    Abstract: A system and method for variable power transfer in an inductive charging or power system. In accordance with an embodiment the system comprises a pad or similar base unit that contains a primary, which creates an alternating magnetic field. A receiver comprises a means for receiving the energy from the alternating magnetic field from the pad and transferring it to a mobile device, battery, or other device. In accordance with various embodiments, additional features can be incorporated into the system to provide greater power transfer efficiency, and to allow the system to be easily modified for applications that have different power requirements. These include variations in the material used to manufacture the primary and/or the receiver coils; modified circuit designs to be used on the primary and/or receiver side; and additional circuits and components that perform specialized tasks, such as mobile device or battery identification, and automatic voltage or power-setting for different devices or batteries.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: May 1, 2012
    Assignee: Mojo Mobility, Inc.
    Inventors: Afshin Partovi, Michael Sears
  • Patent number: 7952322
    Abstract: A portable inductive power source, power device, or unit, for use in powering or charging electrical, electronic, battery-operated, mobile, and other devices is disclosed herein. In accordance with an embodiment the system comprises a pad or similar base unit that contains a primary, which creates an alternating magnetic field by means of applying an alternating current to a winding, coil, or any type of current carrying wire. A receiver comprises a means for receiving the energy from the alternating magnetic field from the pad and transferring it to a mobile or other device. In some embodiments the receiver can also comprise electronic components or logic to set the voltage and current to the appropriate levels required by the mobile device, or to communicate information or data to and from the pad. Embodiments may also incorporate efficiency measures that improve the efficiency of power transfer between the charger and receiver.
    Type: Grant
    Filed: January 30, 2007
    Date of Patent: May 31, 2011
    Assignee: Mojo Mobility, Inc.
    Inventors: Afshin Partovi, Michael Sears
  • Patent number: 7948208
    Abstract: A power source, charging system, and inductive receiver for mobile devices. A pad or similar base unit comprises a primary, which creates a magnetic field by applying an alternating current to a winding, coil, or any type of current carrying wire. A receiver comprises a means for receiving the energy from the alternating magnetic field and transferring it to a mobile or other device. The receiver can also comprise electronic components or logic to set the voltage and current to the appropriate levels required by the mobile device, or to communicate information or data to and from the pad. The system may also incorporate efficiency measures that improve the efficiency of power transfer between the charger and receiver.
    Type: Grant
    Filed: June 1, 2007
    Date of Patent: May 24, 2011
    Assignee: Mojo Mobility, Inc.
    Inventors: Afshin Partovi, Michael Sears