# US 10,375,640 B2 · Method for switching bluetooth working modes, electronic device, and bluetooth chip

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- Number: US 10,375,640 B2
- Document ID: US10375640B2
- Status: Granted
- Kind: B2
- Application number: 15/823,646
- Filed: 2017-11-28
- Published: 2018-05-31
- Granted: 2019-08-06
- Earliest claimed: 2016-11-30
- Assignees: Smartech Worldwide Limited
- Applicants: Smartech Worldwide Limited
- Inventors: Tony Xie; Yunhe Fu
- Web page: https://patentgrep.com/patent/US10375640B2

## CPC

- H04W 52/0235: {where the received signal is a power saving command}
- H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
- H04W 84/12: WLAN [Wireless Local Area Networks]
- H04W 84/18: Self-organising networks, e.g. ad-hoc networks or sensor networks
- Y02D 30/70: in wireless communication networks
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE

## Abstract

A method for switching Bluetooth working modes, an electronic device, and a Bluetooth chip are disclosed. The method includes: executing a first Bluetooth working mode, the first Bluetooth working mode including a working state in which data is normally transmitted and an error state in which data fails to be transmitted; monitoring a first interrupt request signal sent in a second Bluetooth working mode if the first Bluetooth working mode works in the working state; and executing the second Bluetooth working mode and enabling the first Bluetooth working mode to work in the error state if the first interrupt request signal is present.

## Claims

### Claim 1

A method for switching Bluetooth working modes, comprising:
executing a first Bluetooth working mode, the first Bluetooth working mode comprising a working state in which data is normally transmitted and an error state in which an original state machine is maintained to continuously work in the first Bluetooth working mode and a transferred data packet is discarded;
monitoring a first interrupt request signal sent in a second Bluetooth working mode if the first Bluetooth working mode works in the working state; and
executing the second Bluetooth working mode and enabling the first Bluetooth working mode to work in the error state if the first interrupt request signal is present.

### Claim 2 (depends on 1)

The method according to claim 1, wherein the first Bluetooth working mode is a BR/EDR mode.

### Claim 3 (depends on 1)

The method according to claim 1, wherein the first interrupt request signal is an interrupt request signal sent when a predetermined communication time is reached, the communication time being defined according to a communication time sequence of a device corresponding to the second Bluetooth working mode.

### Claim 4 (depends on 1)

The method according to claim 1, further comprising:
executing the first Bluetooth working mode and enabling the first Bluetooth working mode to work in the working state if a second interrupt request signal is present.

### Claim 5

An electronic device, comprising:
a memory; and
a processor coupled to the memory, the memory storing instructions that are executable by the processor, wherein execution of the instructions by the processor causes the processor to:
execute a first Bluetooth working mode, the first Bluetooth working mode comprising a working state in which data is normally transmitted and an error state in which an original state machine is maintained to continuously work in the first Bluetooth working mode and a transferred data packet is discarded;
monitor a first interrupt request signal sent in a second Bluetooth working mode if the first Bluetooth working mode works in the working state; and
execute the second Bluetooth working mode and enabling the first Bluetooth working mode to work in the error state if the first interrupt request signal is present.

### Claim 6 (depends on 5)

The electronic device according to claim 5, wherein the first Bluetooth working mode is a BR/EDR mode.

### Claim 7 (depends on 5)

The electronic device according to claim 5, wherein the first interrupt request signal is an interrupt request signal sent when a predetermined communication time is reached, the communication time being defined according to a communication time sequence of a device corresponding to the second Bluetooth working mode.

### Claim 8 (depends on 5)

The electronic device according to claim 5, wherein execution of the instructions by the processor further causes the processor to:
execute the first Bluetooth working mode and enable the first Bluetooth working mode to work in the working state if a second interrupt request signal is present.

### Claim 9

A Bluetooth chip, comprising:
a control circuit, a radio frequency module, a data transmission module, a first Bluetooth working module, and a second Bluetooth working module, the first Bluetooth working module capable of executing a first Bluetooth working mode, the first Bluetooth working mode comprising a working state in which data is normally transmitted and an error state in which an original state machine is maintained to continuously work in the first Bluetooth working mode and a transferred data packet is discarded, the second Bluetooth working module capable of executing a second Bluetooth working mode;
wherein if the first Bluetooth working mode is executed, the control circuit is configured to control a data stream of the first Bluetooth working module to be sent and received via the data transmission module and the radio frequency module; and if the second Bluetooth working mode is executed, the control circuit is configured to control a data stream of the second Bluetooth working module to be sent and received via the data transmission module and the radio frequency module.

### Claim 10 (depends on 9)

The Bluetooth chip according to claim 9, wherein the control circuit comprises a register and a control interface, wherein the control interface is configured to control read and write of the register, and the register is configured to configure a parameter of the radio frequency module.

### Claim 11 (depends on 9)

The Bluetooth chip according to claim 9, wherein the first Bluetooth working mode is a BR/EDR mode.

### Claim 12 (depends on 9)

The Bluetooth chip according to claim 9, wherein the first Bluetooth working module is configured to execute the first Bluetooth working mode.

### Claim 13 (depends on 12)

The Bluetooth chip according to claim 12, wherein if the first Bluetooth working mode works in the working state, the first Bluetooth working module is configured to monitor a first interrupt request signal sent by the second Bluetooth working module; and if the first interrupt request signal is present, the control circuit is configured to control the second Bluetooth working module to execute the second Bluetooth working mode, and enable the first Bluetooth working mode to work in the error state.

### Claim 14 (depends on 9)

The Bluetooth chip according to claim 9, wherein if a second interrupt request signal is present, the control circuit is configured to control the first Bluetooth working module to execute the first Bluetooth working mode, and enable the first Bluetooth working mode to work in the working state.
