Method of cable sensing data collection, and electronic apparatus and chip using the same

Patent metadata

Field	Value
Publication number	US-10628639-B1
Application number	US-201816208568-A
Country	US
Kind code	B1
Filing date	Dec 4, 2018
Priority date	Nov 26, 2018
Publication date	Apr 21, 2020
Grant date	Apr 21, 2020

Abstract

A method of cable sensing data collection applicable to an electronic apparatus having a counter array is provided. The electronic apparatus is for detecting a cable including a plurality of sensors and a plurality of RFID tags, where each of the RFID tags is used to receive cable sensing data of the cable obtained by the sensors. The method includes: scanning each of the RFID tags to retrieve the cable sensing data, where the cable sensing data includes a tag identifier of the RFID tag; converting the tag identifier to a plurality of array addresses through a plurality of hash functions; and transmitting the cable sensing data to a cloud platform according to whether a plurality of elements of the array addresses in the counter array having a zero or not. In addition, an electronic and a chip using the method are also provided.

First claim

What is claimed is:

1. A method of cable sensing data collection, applicable to an electronic apparatus having a counter array, wherein the electronic apparatus is configured to detect a cable comprising a plurality of sensors and a plurality of radio frequency identification (RFID) tags, wherein each of the RFID tags is configured to receive the cable sensing data of the cables obtained by the sensors, the method comprising:
scanning each of the RFID tags to retrieve the cable sensing data, wherein the cable sensing data comprises a tag identifier of the RFID tag;
converting the tag identifier into a plurality of array addresses through a plurality of hash functions; and
determining whether to transmit the cable sensing data to a remote host according to whether or not a plurality of elements of the plurality of array addresses in the counter array comprise zero,
when the cable shifts in a first shift direction, transmitting the cable sensing data to the remote host and incrementing the plurality of elements by one if the plurality of elements comprise zero, and not transmitting the cable sensing data to the remote host if the plurality of elements do not comprise zero.

2. The method of cable sensing data collection according to claim 1 , wherein the step of determining whether to transmit the cable sensing data to the remote host according to whether or not the plurality of elements of the plurality of array addresses in the counter array comprise zero further comprises:
when the cable shifts in a second shift direction, transmitting the cable sensing data to the remote host and decrementing the plurality of elements by one if the plurality of elements do not comprise zero, and not transmitting the cable sensing data to the remote host if the plurality of elements comprise zero.

3. The method of cable sensing data collection according to claim 2 , wherein the first shift direction and the second shift direction are reverse directions.

4. An electronic apparatus, configured to detect a cable comprising a plurality of sensors and a plurality of radio frequency identification (RFID) tags, wherein each of the RFID tags is configured to receive cable sensing data of the cable obtained by the sensors, the electronic apparatus comprising:
a reader, configured to scan each of the RFID tags to retrieve the cable sensing data, wherein the cable sensing data comprises a tag identifier of the RFID tag;
a data transmitting device, configured to transmit the cable sensing data to a remote host; and
a chip, coupled to the reader and the data transmitting device, wherein the chip comprises a counter array and is configured to:
convert the tag identifier into a plurality of array addresses through a plurality of hash functions; and
determine whether to transmit the cable sensing data to the remote host according to whether or not a plurality of elements of the plurality of array addresses in the counter array comprise zero,
when the cable shifts in a first shift direction, control the data transmitting device to transmit the cable sensing data to the remote host and increment the plurality of elements by one if the plurality of elements comprise zero, and control the data transmitting device not to transmit the cable sensing data to the remote host if the plurality of elements do not comprise zero.

5. The electronic apparatus according to claim 4 , wherein in the operation of determining whether to transmit the cable sensing data to the remote host according to whether or not the plurality of elements of the plurality of array addresses in the counter array comprise zero, the chip is configured to:
when the cable shifts in a second shift direction, control the data transmitting device to transmit the cable sensing data to the remote host and decrement the plurality of elements by one if the plurality of elements do not comprise zero, and control the data transmitting device not to transmit the cable sensing data to the remote host if the plurality of elements comprise zero.

6. The electronic apparatus according to claim 5 , wherein the first shift direction and the second shift direction are reverse directions.

7. A chip, applicable for an electronic apparatus configured to detect a cable comprising a plurality of sensors and a plurality of radio frequency identification (RFID) tags, wherein each of the RFID tags comprises a tag identifier, the chip comprising:
a hash function module, comprising a plurality of hash functions, and configured to retrieve the tag identifier and convert the tag identifier into a plurality of array addresses through the plurality of hash functions;
a counter array, coupled to the hash function module, and configured to receive the plurality of array addresses;
a register, configured to receive and temporarily store the tag identifier; and a controller, coupled to the hash function module, the counter array and the register, and configured to:
receive a shift direction signal of the cable; and
determine whether to transmit a tag identifier valid signal corresponding to the tag identifier according to whether or not a plurality of elements of the plurality of array addresses in the counter array comprise zero,
when the shift direction signal indicates a first shift direction, transmit the tag identifier valid signal to a data transmitting device and increment the plurality of elements by one if the plurality of elements comprise zero, and not transmit the tag identifier valid signal to the data transmitting device if the plurality of elements do not comprise zero.

8. The chip according to claim 7 , wherein the controller is further configured to:
when the shift direction signal indicates in a second shift direction, transmit the tag identifier valid signal to the data transmitting device and decrement the plurality of elements by one if the plurality of elements do not comprise zero, and not transmit the tag identifier valid signal to the data transmitting device if the plurality of elements comprise zero.

9. The chip according to claim 8 , where the first shift direction and the second shift direction are reverse directions.

10. The chip according to claim 7 , wherein the controller is configured to, while transmitting the tag identifier valid signal to the data transmitting device, control the register to transmit the tag identifier corresponding to the tag identifier valid signal to the data transmitting device.

Assignees

• Univ Chung Yuan Christian

Inventors

• Lai Yu-Kuen
• Lin Tzu-Hang
• Cheng Chung-Hsiang
• Shih Ku-Yeh

Classifications

• G01R31/008

  on air- or spacecraft, railway rolling stock or sea-going vessels · CPC title

• G01R31/1272

  of cable, line or wire insulation, e.g. using partial discharge measurements (locating faults in cables G01R31/083) · CPC title

• G01R31/11

  using pulse reflection methods · CPC title

• G06K7/10366

  the interrogation device being adapted for miscellaneous applications · CPC title

• G06K7/0095 Primary

  Testing the sensing arrangement, e.g. testing if a magnetic card reader, bar code reader, RFID interrogator or smart card reader functions properly (testing of electrical circuits G01R31/28) · CPC title