General Electric Company

Dolby Laboratories Corporation

Ge Intellectual Property Licensing, LLC

Transportation IP Holdings, LLC

Progress Rail Services Corporation

Somakumar Ramachandrapanicker

Suma Memana Narayana Bhat

Arun Kumar Raghunathan

Adnan Kutubuddin Bohori

Arijit Banerjee

Arvind Kumar Tiwari

Rupam Mukherjee

Ajith Kuttannair Kumar

Viswanathan Kanakasabai

Paul Lloyd Flynn

Satishbabu Bhogineni

Rahul Bhujade

Deepak Aravind

James William Bray

Sivabalan Mohan

Bogdan Zdzislaw Kasztenny

Rajendra Naik

Kalaga Murali Krishna

Lohit Matani

Ajith Kuttainnair Kumar

Srilatha Boyanapally

Boyanapally Srilatha

Bret Dwayne Worden

William James Premerlani

Christof Martin Sihler

Pradeep Vijayan

Ramasamy Anbarasu

Wrichik Basu

Vishnu Mahadeva Iyer

Jeffrey Neal Slotnick

David John Allcock

Bhaskar Sen

Robert Charles Deveaux

Stefano Orlandi

Mohan Kumar Katta

Rijin Saseendran

Jay Chakraborty

Ramesh Bhat

Dinkar Agrawal

Vageesh Kubatoor Patil

Carlo Becheri

Fabio Biondi

Lorenzo Chiosi

Rejendra Naik

Neeraj Kamal Singh Kumar

Dhaval Chandubhai Patel

Demetrios Karambatos

Suma Memana Bhat

A wireless charging device includes a driver unit configured to generate one of a first AC voltage signal having a first frequency and a second AC voltage signal having a second frequency. Also, the wireless charging device includes a transmitting unit having a first coil and a first capacitor and configured to transmit the first AC voltage signal. Further, the transmitting unit includes a second coil and a second capacitor and configured to transmit the second AC voltage signal. Additionally, the wireless charging device includes a control unit configured to detect a first receiver device operating at the first frequency based on a change in a first voltage in the transmitting unit, and detect a second receiver device operating at the second frequency based on a change in a second voltage in the transmitting unit.

Wireless charging device, a receiver device, and a method of operating the same

A wireless power transceiver (WPT) device is disclosed. The WPT device includes an energy module and a magnetic interfacing unit comprising a transceiver coil. Further, the WPT device includes a controller configured to generate one of a first control signal and a second control signal based on at least one first parameter of the energy module and at least one second parameter of one of a plurality of external devices. Also, the WPT device includes a bi-directional driver configured to transmit at least one of a first AC signal and a second AC signal through the transceiver coil if the first control signal is received from the controller, and receive at least one of the first AC signal and the second AC signal if the second control signal is received from the controller.

Wireless power transceiver device and an associated method thereof

A wireless charging device is disclosed. The wireless charging device includes a transmitter detection coil configured to receive a first alternating current (AC) voltage signal having a characteristic associated with a receiver device. Also, the wireless charging device includes a control unit coupled to the transmitter detection coil and configured to detect the receiver device based on the characteristic of the first AC voltage signal. Further, the wireless charging device includes a driver unit coupled to the control unit and configured to convert a direct current (DC) voltage signal of an input power to a second AC voltage signal if the receiver device is detected. In addition, the wireless charging device includes a power transmission coil configured to wirelessly transmit the second AC voltage signal to the receiver device.

Wireless charging device, a receiver device, and an associated method thereof

A charging pad for charging one or more receiver devices is disclosed. The charging pad includes a power drive unit configured to generate a first AC voltage signal having a first frequency and a second AC voltage signal having a second frequency. Further, the charging pad includes a transmitting unit including a single power exchange coil coupled to the power drive unit, wherein the single power exchange coil includes a first coil segment configured to transmit the first AC voltage signal having the first frequency when the first AC voltage signal is received from the power drive unit. Also, the single power exchange coil includes a second coil segment configured to transmit the second AC voltage signal having the second frequency when the second AC voltage signal is received from the power drive unit.

Charging pad and a method for charging one or more receiver devices

A transmitting assembly () configured to transmit electric power in a universal wireless charging device () is presented. The transmitting assembly () includes a first coil () embedded in a printed circuit board () and configured to transmit a first AC voltage signal having a first frequency. Also, the transmitting assembly () includes a second coil () disposed on the printed circuit board () and configured to transmit a second AC voltage signal having a second frequency, wherein the second frequency is different from the first frequency, and wherein the first AC voltage signal having the first frequency and the second AC voltage signal having the second frequency are used to wirelessly charge a plurality of receiver devices () having different frequency standards.

Transmitting assembly for a universal wireless charging device and a method thereof

A wireless charging device includes a power source configured to generate a direct current (DC) voltage signal. Also, the wireless charging device includes a driver unit configured to receive the DC voltage signal and convert the DC voltage signal to a first alternating current (AC) voltage signal. Further, the wireless charging device includes a transmitting unit including a resonant capacitor and a resonant coil, coupled to the driver unit, wherein the transmitting unit is configured to receive and transmit the first AC voltage signal. Additionally, the wireless charging device includes a control unit configured to detect a receiver device based on a change in at least one of a capacitive voltage across the resonant capacitor and an inductive voltage across the resonant coil if the receiver device is positioned within a predetermined distance from the transmitting unit.

Wireless charging device and a method for detecting a receiver device

A wireless charging device () is disclosed. The wireless charging device () includes a transmitter detection coil () configured to receive a first alternating current (AC) voltage signal having a characteristic associated with a receiver device (). Also, the wireless charging device () includes a control unit () coupled to the transmitter detection coil () and configured to detect the receiver device () based on the characteristic of the first AC voltage signal. Further, the wireless charging device () includes a driver unit () coupled to the control unit () and configured to convert a direct current (DC) voltage signal of an input power to a second AC voltage signal if the receiver device () is detected. In addition, the wireless charging device () includes a power transmission coil () configured to wirelessly transmit the second AC voltage signal to the receiver device ().

A charging pad includes a power drive unit and a transmitting unit. The power drive unit includes a first oscillator to generate a first AC voltage signal having a first frequency, and a first amplifier to amplify the first AC voltage signal. Also, the power drive unit includes a second oscillator to generate a second AC voltage signal having a second frequency, and a second amplifier to amplify the second AC voltage signal. Additionally, the power drive unit includes an adder to combine the amplified first AC voltage signal and the amplified second AC voltage signal. Furthermore, the transmitting unit includes a first frequency coil configured to transmit the amplified first AC voltage signal having the first frequency, and a second frequency coil configured to transmit the amplified second AC voltage signal having the second frequency.

Charging pads and methods for charging receiver devices having different frequency standards

A power transfer device and an associated method thereof are disclosed. The power transfer device includes a driver unit having a plurality of converters. The driver unit includes a plurality of legs forming ones of the plurality of converters, such that at least one leg of a first converter of the plurality of converters is common to a second converter of the plurality of converters. Each converter of the plurality of converters includes an output terminal. The driver unit may include a plurality of transmitter coils. In some implementations, a different transmitter coil is coupled to each output terminal of a respective converter.

Power transfer device with a plurality of converters

A system including a primary coil assembly is provided. The primary coil assembly is configured to operate at a first resonant frequency having a first bandwidth; wherein a difference between the first resonant frequency and a system frequency is at least two times the first bandwidth, where the first resonant frequency is selected such that upon energizing the primary coil assembly at the system frequency, a primary current is induced in the primary coil assembly, which is at least ten times lesser than a system current.

System and method for contactless power transfer

Methods and systems are provided for an engine. A condition of the engine may be diagnosed based on information provided by signals from a generator operationally connected to the engine and/or other signals associated with the engine. Different types of degradation may be distinguished based on discerning characteristics within the information. Thus, a degraded engine component may be identified in a manner that reduces service induced delay.

Systems and methods for diagnosing an engine

A charging pad for charging one or more receiver devices is disclosed. The charging pad includes at least one first resonator coil operable at a first frequency band and at least one second resonator coil operable at a second frequency band. Further, the charging pad includes at least one exciter coil magnetically coupled to the at least one first resonator coil and the at least one second resonator coil. In addition, the charging pad includes an excitation unit operationally coupled to the at least one exciter coil and configured to drive the at least one first resonator coil and the at least one second resonator coil via the at least one exciter coil.

System and method for charging receiver devices

Growing community of inventors

Bengaluru, India

Somakumar Ramachandrapanicker