METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR POWERING ELECTRONIC DEVICES

• US 20160233727A1
• Filed: 04/15/2016
• Published: 08/11/2016
• Est. Priority Date: 03/20/2013
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Nokia Technologies Oy (Nokia Corporation)
• Inventors: OLLIKAINEN, Jani, JANTUNEN, Joni
• Granted Patent: US 9,641,028 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H02J 50/30 using light, e.g. lasers
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H04B 10/807 Optical power feeding, i.e. transmitting power using an optical signal
• CPC Class Codes: H04B 5/24 Inductive coupling
• CPC Class Codes: H04B 5/72 for local intradevice communication
• CPC Class Codes: H04B 5/77 for interrogation
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer
• CPC Class Codes: H04M 1/026 Details of the structure or mounting of specific components
• CPC Class Codes: H04M 19/08 with current supply sources at the substations generating ringing current H04M19/04
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

Abstract

Example method, apparatus, and computer program product embodiments are disclosed for negotiation of wireless powering of passive objects. Example embodiments of the invention include a method comprising: receiving, via a radio frequency wireless interface of an apparatus, a radio frequency signal from a wireless device, indicating that the wireless device is capable of receiving optical powering; switching on, by the apparatus, an optical energy source in the apparatus; and transmitting, by the apparatus, from the optical energy source, optical power to the wireless device in response to the radio frequency signal.

Claims

1. A method, comprising:

receiving, via a near field communication interface of an apparatus, one or more near field communication signals from a wireless device, the one or more near field communication signals indicating that the wireless device is capable of receiving optical powering and optical power requirements of the wireless device;

exchanging, by the apparatus, near field communication signals with the wireless device via the near field communication interface, to negotiate optical power delivery from the apparatus to the wireless device;

switching on, by the apparatus, an optical energy source in the apparatus according to near field communication signals exchanged over the near field communication interface;

receiving, by the apparatus, near field communication signals from the wireless device, indicating no more optical power is required by the wireless device; and

switching off, by the apparatus, the optical energy source in the apparatus in response to the received indication that no more optical power is required by the wireless device.

2. The method of claim 1, further comprising:

exchanging, via the near field communication interface of the apparatus, near field communication signals including data to be communicated with the wireless device.

3. The method of claim 1, wherein the apparatus is a mobile device that includes a camera and the optical energy source in the apparatus comprises an optical flash associated with the camera.

4. A method, comprising:

transmitting, via a near field communication interface of an apparatus, a near field communication signal providing initial power for a wireless device;

receiving, via the near field communication interface, a near field communication signal from the wireless device in response to the transmitted near field communication signal, the received near field communication signal indicating that the wireless device is capable of receiving optical powering;

exchanging, by the apparatus, near field communication signals with the wireless device to negotiate optical power delivery from the apparatus;

switching on, by the apparatus, an optical energy source in the apparatus according to near field communication signals exchanged over the near field communication interface;

receiving, by the apparatus, near field communication signals from the wireless device, indicating no more optical power is required by the wireless device; and

switching off, by the apparatus, the optical energy source in the apparatus in response to the received indication that no more optical power is required by the wireless device.

5. The method of claim 4, further comprising:

exchanging, via the near field communication interface of the apparatus, near field communication signals including data to be communicated with the wireless device.

6. The method of claim 4, wherein the apparatus is a mobile device that includes a camera and the optical energy source in the apparatus comprises an optical flash associated with the camera.

7. An apparatus, comprising:

an optical energy source;

a near field communication wireless interface;

at least one processor;

at least one memory including computer program code;

the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to;

receive, via a near field communication interface of the apparatus, one or more near field communication signals from a wireless device, the one or more near field communication signals indicating that the wireless device is capable of receiving optical powering and optical power requirements of the wireless device;

exchange near field communication signals with the wireless device via the near field communication interface, to negotiate optical power delivery from the apparatus to the wireless device;

switch on an optical energy source in the apparatus according to near field communication signals exchanged over the near field communication interface;

receive near field communication signals from the wireless device, indicating no more optical power is required by the wireless device; and

switch off the optical energy source in the apparatus in response to the received indication that no more optical power is required by the wireless device.

8. The apparatus of claim 7, further comprising:

the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to;

exchange, via the near field communication interface, near field communication signals including data to be communicated with the wireless device.

9. The apparatus of claim 7, wherein the apparatus is a mobile device that includes a camera and the optical energy source in the apparatus comprises an optical flash associated with the camera.

10. An apparatus comprising:

an optical energy source;

a near field communication interface;

at least one processor;

at least one memory including computer program code;

the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to;

transmit, via the near field communication interface of the apparatus, a near field communication signal providing initial power for a wireless device;

receive, via the near field communication interface, a near field communication signal from the wireless device in response to the transmitted near field communication signal, the received near field communication signal indicating that the wireless device is capable of receiving optical powering;

exchange near field communication signals with the wireless device to negotiate optical power delivery from the apparatus;

switch on the optical energy source in the apparatus according to near field communication signals exchanged over the near field communication interface;

receive near field communication signals from the wireless device, indicating no more optical power is required by the wireless device; and

switch off the optical energy source in the apparatus in response to the received indication that no more optical power is required by the wireless device.

11. The apparatus of claim 10, further comprising:

the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to;

exchange, via the near field communication interface of the apparatus, near field communication signals including data to be communicated with the wireless device.

12. The apparatus of claim 10, wherein the apparatus is a mobile device that includes a camera and the optical energy source in the apparatus comprises an optical flash associated with the camera.

13. A computer program product comprising computer executable program code recorded on a computer readable non-transitory storage medium, the computer executable program code comprising:

code for receiving, via a near field communication interface of an apparatus, one or more near field communication signals from a wireless device, the one or more near field communication signals indicating that the wireless device is capable of receiving optical powering and optical power requirements of the wireless device;

code for exchanging, by the apparatus, near field communication signals with the wireless device via the near field communication interface, to negotiate optical power delivery from the apparatus to the wireless device;

code for switching on, by the apparatus, an optical energy source in the apparatus according to near field communication signals exchanged over the near field communication interface;

code for receiving, by the apparatus, near field communication signals from the wireless device, indicating no more optical power is required by the wireless device; and

code for switching off, by the apparatus, the optical energy source in the apparatus in response to the received indication that no more optical power is required by the wireless device.

14. A method, comprising:

transmitting, by an apparatus, one or more near field communication signals to a mobile wireless device, the one or more near field communication signals indicating that the apparatus is capable of receiving optical powering and optical power requirements of the apparatus;

exchanging, by the apparatus, near field communication signals with the mobile wireless device, to negotiate optical power delivery to the apparatus from the wireless device;

receiving, by the apparatus, optical power from the mobile wireless device at a power level associated with the optical power requirements in response to the near field communication signal;

transmitting, by the apparatus, near field communication signals to the mobile wireless device, indicating no more optical power is required by the apparatus; and

ceasing to receive, by the apparatus, the optical power from the mobile wireless device, in response to transmitting the indication.

15. An apparatus, comprising:

at least one processor;

at least one memory including computer program code;

the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to;

transmit one or more near field communication signals to a mobile wireless device, the one or more near field communication signals indicating that the apparatus is capable of receiving optical powering and optical power requirements of the apparatus;

exchange near field communication signals with the mobile wireless device, to negotiate optical power delivery to the apparatus from the wireless device;

receive optical power from the mobile wireless device at a power level associated with the optical power requirements in response to the near field communication signal;

transmit near field communication signals to the mobile wireless device, indicating no more optical power is required by the apparatus; and

cease to receive the optical power from the mobile wireless device, in response to transmitting the indication.

16. A computer program product comprising computer executable program code recorded on a computer readable non-transitory storage medium, the computer executable program code comprising:

code for transmitting, by an apparatus, one or more near field communication signals to a mobile wireless device, the one or more near field communication signals indicating that the apparatus is capable of receiving optical powering and optical power requirements of the apparatus;

code for exchanging, by the apparatus, near field communication signals with the mobile wireless device, to negotiate optical power delivery to the apparatus from the wireless device;

code for receiving, by the apparatus, optical power from the mobile wireless device at a power level associated with the optical power requirements in response to the near field communication signal;

code for transmitting, by the apparatus, near field communication signals to the mobile wireless device, indicating no more optical power is required by the apparatus; and

code for ceasing to receive, by the apparatus, the optical power from the mobile wireless device, in response to transmitting the indication.