Protection of cables and connectors

Patent metadata

Field	Value
Publication number	US-9806515-B2
Application number	US-201314140336-A
Country	US
Kind code	B2
Filing date	Dec 24, 2013
Priority date	Dec 24, 2013
Publication date	Oct 31, 2017
Grant date	Oct 31, 2017

Abstract

Methods and apparatuses, including computer program code are disclosed herein that provide damage protection to cables and connectors. In one aspect, there is provided an apparatus. The apparatus may include an electrical connector comprising a power supply pin and at least one control pin. The apparatus may further include a protective element configured to change a state of the at least one control pin to cause the power supply pin to become inactive. The protective element may be integrated with the electrical connector and/or integrated at one or more locations along the length of a cable.

First claim

What is claimed:

1. An apparatus comprising:
an electrical connector comprising a power supply pin and at least two control pins, the power supply pin configured to carry power and the at least two control pins configured to carry at least control signals;
logic circuitry coupled to the at least two control pins, the logic circuitry configured to determine, based on detection of a voltage at a first control pin of the at least two control pins, an orientation of another connector coupled with the electrical connector; and
a protective element coupled to the at least two control pins, the protective element being configured to change a second control pin of the at least two control pins from a first state to a second state, wherein the change of the second control pin from the first state to the second state causes the power supply pin to become inactive.

2. The apparatus of claim 1 , wherein the protective element is configured to change the second control pin from the first state to the second state when a temperature of the electrical connector is above or equal to a predetermined threshold.

3. The apparatus of claim 1 , further comprising:
control circuitry configured to enable supplying, in response to detecting the first state of the second control pin, power via the power supply pin, the control circuitry being further configured to disable, in response to detecting the second state of the second control pin, supplying power via the power supply pin.

4. The apparatus of claim 1 , wherein the electrical connector comprises a universal serial bus connector.

5. The apparatus of claim 1 , wherein the protective element includes at least one of an electrical switch, a transistor, a mechanical switch, a non-resettable fuse, an electrically resettable fuse, a manually resettable fuse, and a positive or negative temperature coefficient thermistor.

6. The apparatus of claim 1 , wherein at least one of the at least two control pins comprises a communication control pin in accordance with a universal serial bus.

7. The apparatus of claim 1 wherein the protective element is connected in series with the at least two control pins.

8. The apparatus of claim 1 , wherein a user equipment includes the electrical connector, wherein the user equipment is configured to wirelessly couple to a cellular base station.

9. The apparatus of claim 1 , wherein the electrical connector couples to a charging source.

10. The apparatus of claim 1 , wherein the protective element is further configured to change the at least second control pin from the first state to the second state in response to detecting at least one of a predetermined value of humidity, a force, an acceleration, and a processing load.

11. A method comprising:
determining, by logic circuitry coupled to at least two control pins, based on detection of a voltage at a first control pin of the at least two control pins, an orientation of another connector coupled with an electrical connector, the electrical connector including a power supply pin and the at least two control pins; and
changing, by a protective element coupled to the at least two control pins, a second control pin of the at least two control pins from a first state to a second state, wherein the change of the second control pin from the first state to the second state causes the power supply pin to become inactive.

12. The method of claim 11 , further comprising:
enabling, in response to detecting the first state of the second control pin, power to be supplied via the power supply pin; and
disabling, in response to detecting the second state of the second control pin, power from being supplied via the power supply pin, wherein the protective element is configured to change the second control pin from the first state to the second state when a temperature of the electrical connector is above or equal to a predetermined threshold.

13. The method of claim 11 , wherein the electrical connector comprises a universal serial bus connector, and wherein at least one of the at least two control pins comprises a communication control pin in accordance with a universal serial bus.

14. The method of claim 11 , wherein the protective element includes at least one of an electrical switch, a transistor, a mechanical switch, a non-resettable fuse, an electrically resettable fuse, a manually resettable fuse, and a positive or negative temperature coefficient thermistor.

15. The method of claim 11 , wherein the protective element is connected in series with the at least two control pins.

16. The method of claim 11 , wherein the protective element is further configured to change the second control pin from the first state to the second state in response to detecting at least one of a predetermined value of humidity, a force, an acceleration, and a processing load.

17. A non-transitory computer-readable medium encoded with instructions that, when executed by at least one processor, perform at least the following:
determining, by logic circuitry coupled to at least two control pins, based on detection of a voltage at a first control pin of the at least two control pins, an orientation of another connector coupled with an electrical connector, the electrical connector including a power supply pin and the at least two control pins; and
changing, by a protective element coupled to the at least two control pins, a second control pin of the at least two control pins from a first state to a second state, wherein the change of the second control pin from the first state to the second state causes the power supply pin to become inactive.

18. The apparatus of claim 1 , wherein the first control pin and the second control pin are the same pin.

19. The method of claim 11 , wherein the first control pin and the second control pin are different pins.

Assignees

• Nokia Corp
• Nokia Technologies Oy

Inventors

• Leinonen Pekka E
• Inha Kai
• Toivola Timo T
• Talmola Pekka
• Toivanen Timo J

Classifications

• H01R13/7137

  with thermal interrupter (H01R13/7132 takes precedence) · CPC title

• H02H7/228

  for covered wires or cables · CPC title

• H02H5/04 Primary

  responsive to abnormal temperature {(specially adapted for electric machines H02H7/0852)} · CPC title

• H01R13/6683

  with built-in sensor · CPC title