Portable Bluetooth control device

A Bluetooth-controlled and portable technology, applied in the field of Bluetooth communication, can solve the problems of increased trouble, difficult to find, unsafe for users, etc., and achieves the effect of ingenious design and novel device concept.
CN103684544AInactive Publication Date: 2014-03-26UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
UNIV OF ELECTRONICS SCI & TECH OF CHINA
Publication Date
2014-03-26
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a portable Bluetooth control device which comprises a control end circuit. The control end circuit comprises a Bluetooth serial port module, a processor unit, a switch, a current-limiting resistor and a pull-up resistor. The switch is in a normally-open state. One end of the switch is connected with the ground potential in a coupled mode and the other end of the switch is connected with one end of the pull-up resistor and an input pin of the processor unit. A TX pin of the Bluetooth serial port module is connected with an RX pin of the processor unit. An RX pin of the Bluetooth serial port module is connected with a TX pin of the processor unit. A VDD pin of the Bluetooth serial port module and a VDD pin of the processor unit are connected with an input voltage through the current-limiting resistor. The portable Bluetooth control device can achieve interaction with an intelligent device and add a remote control function which can be defined by a user to the intelligent device and is used for controlling the intelligent device.
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Description

technical field

[0001] The invention belongs to the technical field of bluetooth communication, and in particular relates to a portable bluetooth control device. Background technique

[0002] Bluetooth wireless technology is a technology for wireless short-distance communication between two devices. It is widely used all over the world and can wirelessly connect mobile phones, laptop computers, cars, stereo headphones, MP3 players and other devices. This technology has the advantages of miniaturized radios, low power, low cost, built-in security, robustness, ease of use and instant networking capabilities.

[0003] Smartphones are now inseparable from the daily life of most people. A common problem is that the phone is not easy to find when it is covered by a cover. Especially when the mobile phone has turned on the silent mode, it is impossible to find the mobile phone by ringing the phone, thereby adding more troubles. In addition, in situations where it is inconvenient...

Claims

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