Signal sending device, signal receiving device, and signal sending and receiving system and method

Patent metadata

Field	Value
Publication number	US-9832544-B2
Application number	US-201113240511-A
Country	US
Kind code	B2
Filing date	Sep 22, 2011
Priority date	Dec 17, 2010
Publication date	Nov 28, 2017
Grant date	Nov 28, 2017

Abstract

A signal sending device, a signal receiving device, and a signal sending and receiving system and method are presented. The devices and system combine a plurality of sense data into a data packet to transmit the data packet. Through the method, the data packet is processed, received, and sent under a transmission mechanism based on independent data packets. Therefore, the plurality of sense data and overhead data are combined into a data packet, and thus the redundant overhead data is reduced, so as to reduce the time spent on sending actual data to a transmission channel, thus improving the efficiency of data exchange and saving electrical energy.

First claim

What is claimed is:

1. A signal sending and receiving system, comprising a signal sending device, wherein the signal sending device comprises:
a sensor, for sampling a plurality of adjacent segments of sense data in sequence, wherein each segment of sense data occupies a fixed number of bits and conforms to a first data format, and a first period exists between two adjacent segments of sense data;
a first processor, for combining a first number of the plurality of adjacent segments of the sense data into a data packet, wherein the data packet has a preset overhead area, and the first number is an integer greater than 1; and
a first transceiver, for receiving a plurality of polling signals, and sending the data packet only when a quantity of the received polling signals is equal to the first number, wherein the first processor combines the first number of segments of sense data one by one upon receiving adjacent polling signals, and each of the polling signals corresponds to one of the adjacent segments of the sense data,
wherein the quantity of the received polling signal is reset to zero when the data packet is sent.

2. The signal sending and receiving system according to claim 1 , further comprising a signal receiving device, corresponding to the signal sending device, comprising:
a second transceiver, for sending a plurality of polling signals in sequence and receiving a plurality of data packets in sequence according to a second period, wherein each of the received data packets contains the plurality of the adjacent segments of the sense data and the preset overhead area, and each of the polling signals corresponds to one of the adjacent segments of the sense data; and
a second processor, for parsing the received data packets according to the preset overhead area, and restoring the plurality of the adjacent segments of the sense data in the data packets in batch.

3. The signal sending and receiving system according to claim 2 , wherein a standard for receiving and sending the data packet by the second transceiver conforms to the Bluetooth transmission standard.

4. The signal sending and receiving system according to claim 2 , wherein the preset overhead area comprises an access code and a header.

5. The signal sending and receiving system according to claim 2 , wherein a standard for receiving and sending the data by the first transceiver and the second transceiver conforms to the Bluetooth transmission standard.

6. The signal sending and receiving system according to claim 5 , wherein the sensor is an optical sensor, and is used to sense relative displacement between the signal sending device and an operation surface and generate the sense data.

7. The signal sending and receiving system according to claim 5 , wherein the sensor is a motion sensor, and is used to sense at least one of a velocity value and an acceleration value of the signal sending device and generate the sense data.

8. The signal sending and receiving system of claim 1 , further comprising a signal receiving device, wherein the signal receiving device comprises:
a second transceiver, for sending the plurality of polling signals in sequence and receiving the plurality of data packets in sequence according to a second period, wherein each of the received data packets contains the plurality of the adjacent segments of the sense data and the preset overhead area; and
a second processor, for parsing the received data packets according to the preset overhead area, and restoring the plurality of the adjacent segments of the sense data in the data packets in batch,
wherein after the second transceiver receives the data packets, the second transceiver sends confirmation information to the first transceiver.

9. The signal sending and receiving system according to claim 1 , wherein when confirmation information indicates that the data packet is not completely received, the first processor reduces the first number of the plurality of the adjacent segments of the sense data in the data packet.

10. The signal sending and receiving system according to claim 1 , wherein when confirmation information indicates that the data packet is completely received, the first processor increases the first number of the plurality of the adjacent segments of the sense data in the data packet within a preset number of bits.

11. The signal sending and receiving system according to claim 1 , wherein the overhead area comprises an access code and a header.

12. The signal sending and receiving system according to claim 1 , wherein after the first transceiver sends the data packet, confirmation information is received, so as to indicate a receiving condition of the data packet, and the first processor adjusts the first number of the plurality of adjacent segments of the sense data in the data packet according to the confirmation information.

13. A signal sending method, comprising:
sampling a plurality of adjacent segments of sense data in sequence, wherein each segment of sense data occupies a fixed number of bits and conforms to a first data format, and a first period exists between two adjacent segments of sense data;
combining a first number of the plurality of the adjacent segments of sense data into a data packet, wherein the data packet has a preset overhead area;
receiving a polling signal at an interval of multiple times of the first period and accumulating a received number;
sending the data packet and resetting the received number only when the received number is equal to the first number, wherein the first number of segments of sense data is combined one by one upon receiving adjacent polling signals, and each of the polling signals corresponds to one of the adjacent segments of the sense data;
receiving confirmation information so as to indicate a receiving condition of the data packet; and
adjusting the first number of the plurality of the adjacent segments of the sense data in the data packet according to the confirmation information.

14. The signal sending method according to claim 13 , wherein adjusting the first number of the plurality of the adjacent segments of the sense data in the data packet according to the confirmation information further comprises:
reducing the first number of the plurality of the adjacent segments of the sense data in the data packet when the confirmation information indicates that the data packet is not completely received.

15. The signal sending method according to claim 13 , wherein adjusting the first number of the plurality of the adjacent segments of the sense data in the data packet according to the confirmation information further comprises:
increasing the first number of the plurality of the adjacent segments of the sense data in the data packet within a preset number of bits when the confirmation information indicates that the data packet is completely received.

16. The signal sending method according to claim 13 , further comprising:
when a sending end samples a plurality of adjacent segments of sense data at an interval of a first period, sending a plurality of polling signals at an interval of a second period, wherein each segment of sense data conforms to a first data format, and each of the polling signals corresponds to one of the adjacent segments of the sense data;
receiving a data packet, wherein the data packet has the plurality of the adjacent segments of the sense data and a preset overhead area, and wherein receipt of the data packet is in response to the transmission of the plurality of the polling signals;
parsing the data packet according to the preset overhead area; and
rest

Assignees

• Huang Jia-Bin
• Pixart Imaging Inc

Inventors

• Huang Jia-Bin

Classifications

• H04L43/10

  Active monitoring, e.g. heartbeat, ping or trace-route · CPC title

• Y02B60/50

  Cross-Sectional Technologies · mapped topic

• H04W74/06

  using polling · CPC title

• H04W99/00

  Subject matter not provided for in other groups of this subclass · CPC title

• H04Q2209/75

  by polling or interrogating the sub-stations · CPC title