WIRELESS TRANSMISSION APPARATUS WITH BLUETOOTH AND SHORT DISTANCE COMMUNICATION

A wireless transmission apparatus with Bluetooth and short distance communication includes a processing unit, a Bluetooth communication side interface unit, a Bluetooth communication unit, a short distance communication side interface unit, and a short distance communication unit. The processing unit is configured to control the Bluetooth communication unit through the Bluetooth communication side interface unit to transmit information in the Bluetooth communication unit to the processing unit and the short distance communication unit. The processing unit is configured to control the short distance communication unit through the short distance communication side interface unit to transmit information in the short distance communication unit to the processing unit and the Bluetooth communication unit.

DETAILED DESCRIPTION OF THE INVENTION

FIG. 1shows a block diagram of the wireless transmission apparatus with Bluetooth and short distance communication of the present invention. A wireless transmission apparatus10with Bluetooth and short distance communication includes a processing unit102, a Bluetooth communication side interface unit104, a Bluetooth communication unit106, a short distance communication side interface unit108, a short distance communication unit110, an emergency signal transmission button112, a sensing unit114, a memory unit116, and a battery118.

The processing unit102is electrically connected to the Bluetooth communication side interface unit104, the short distance communication side interface unit108, the emergency signal transmission button112, the sensing unit114, and the memory unit116. The battery118is electrically connected to the processing unit102, the Bluetooth communication side interface unit104, the Bluetooth communication unit106, the short distance communication side interface unit108, the short distance communication unit110, the sensing unit114, and the memory unit116. The Bluetooth communication side interface unit104is electrically connected to the Bluetooth communication unit106. The short distance communication side interface unit108is electrically connected to the short distance communication unit110.

In an embodiment, the wireless transmission apparatus10with Bluetooth and short distance communication is made in bracelet-shaped. Therefore, the wireless transmission apparatus10with Bluetooth and short distance communication is worn on a user's wrist.

The emergency signal transmission button112informs the processing unit102when the emergency signal transmission button112is pressed by the user. The processing unit102is configured to control the Bluetooth communication unit106through the Bluetooth communication side interface unit104to send out a wireless emergency signal (not shown inFIG. 1). Therefore, an administrator in the far-end will know that the user needs help.

The sensing unit114is a temperature sensor or a heartbeat sensor. The sensing unit114is used to sense the user's temperature or heartbeat. Then, the sensing unit114informs the processing unit102. The processing unit102is configured to control the Bluetooth communication unit106through the Bluetooth communication side interface unit104to send out the wireless emergency signal. Therefore, the administrator in the far-end will know that the user needs help.

The Bluetooth communication side interface unit104is a universal asynchronous receiver/transmitter (UART), a serial peripheral interface (SPI), or an inter integrated circuit bus (PC bus). The Bluetooth communication unit106is a Bluetooth module with low power consumption.

The short distance communication side interface unit108is a serial peripheral interface or an inter integrated circuit bus. The short distance communication unit110is a radio frequency identification (RFID) module or a near field communication (NFC) module.

The battery118is used to supply power to the processing unit102, the Bluetooth communication side interface unit104, the Bluetooth communication unit106, the short distance communication side interface unit108, the short distance communication unit110, the sensing unit114, and the memory unit116. Moreover, the short distance communication unit110can transfer the energy of a short distance wireless signal (not shown inFIG. 1) into power for driving the short distance communication unit110. Therefore, the battery118may not supply power to the short distance communication unit110(will be described in details afterward).

The memory unit116is an electrically erasable programmable read only memory (EEPROM), a ferroelectric nonvolatile random access memory (FRAM), or a flash memory. The memory unit116is used to memorize the information in the Bluetooth communication unit106and the short distance communication unit110(for example, NDEF).

The processing unit102is a microprocessor or a microcontroller. The processing unit102is configured to control the Bluetooth communication unit106through the Bluetooth communication side interface unit104to transmit information in the Bluetooth communication unit106to the processing unit102and the short distance communication unit110. The processing unit102is configured to control the short distance communication unit110through the short distance communication side interface unit108to transmit information in the short distance communication unit110to the processing unit102and the Bluetooth communication unit106.

FIG. 2shows a block diagram of the short distance communication unit of the present invention. The short distance communication unit110includes a short distance communication side processing subunit11002, a dual interface memory subunit11004, a short distance communication side matching circuit subunit11006, and a short distance communication side antenna subunit11008.

The dual interface memory subunit11004includes a communication bus interface component11010, a memory component11012, a radio frequency interface component11014, a current-to-voltage converting component11016, and a voltage regulation component11018.

The short distance communication side processing subunit11002is electrically connected to the short distance communication side interface unit108, the communication bus interface component11010, and the voltage regulation component11018. The memory component11012is electrically connected to the communication bus interface component11010and the radio frequency interface component11014. The current-to-voltage converting component11016is electrically connected to the radio frequency interface component11014and the voltage regulation component11018. The short distance communication side matching circuit subunit11006is electrically connected to the short distance communication side antenna subunit11008and the radio frequency interface component11014.

The short distance communication side antenna subunit11008receives the short distance wireless signal. The short distance communication side antenna subunit11008induces the short distance wireless signal into an induced current (not shown inFIG. 2). The induced current has the information of the short distance wireless signal.

The short distance communication side antenna subunit11008sends the induced current to the short distance communication side matching circuit subunit11006. The short distance communication side matching circuit subunit11006sends the induced current to the radio frequency interface component11014.

The radio frequency interface component11014sends the induced current to the memo component11012for memorizing the information of the short distance wireless signal. The radio frequency interface component11014sends the induced current to the current-to-voltage converting component11016for converting the induced current into an induced voltage (not shown inFIG. 2).

The current-to-voltage converting component11016sends the induced voltage to the voltage regulation component11018for regulating the induced voltage into a driving voltage. The voltage regulation component11018sends the driving voltage to the short distance communication side processing subunit11002. The short distance communication side processing subunit11002is driven by the driving voltage. The short distance communication side processing subunit11002fetches the information of the short distance wireless signal memorized in the memory component11012through the communication bus interface component11010.

Therefore, the short distance communication unit110can transfer the energy of the short distance wireless signal into power for driving the short distance communication unit110. The battery118may not supply power to the short distance communication unit110.

The short distance communication side processing subunit11002is a microprocessor or a microcontroller. The dual interface memory subunit11004is a dual interface electrically erasable programmable read only memory. The frequency of the short distance communication side antenna subunit11008is 13.56 MHz. The communication bus interface component11010is an inter integrated circuit bus.

The memory component11012is an electrically erasable programmable read only memory. The radio frequency interface component11014is a radio frequency identification interface or a near field communication interface.

FIG. 3shows a block diagram of the Bluetooth communication unit of the present invention. The Bluetooth communication unit106includes a Bluetooth communication side control subunit10602, a Bluetooth signal processing subunit10604, a Bluetooth communication side matching circuit subunit10606, a Bluetooth communication side antenna subunit10608, a Bluetooth communication side memory subunit10610, and a Bluetooth communication side voltage regulation subunit10612.

The Bluetooth communication side control subunit10602is electrically connected to the Bluetooth communication side interface unit104, the Bluetooth signal processing subunit10604, the Bluetooth communication side memory subunit10610, and the Bluetooth communication side voltage regulation subunit10612. The Bluetooth communication side voltage regulation subunit10612is electrically connected to the Bluetooth communication side memory subunit10610, the Bluetooth signal processing subunit10604, and the Bluetooth communication side matching circuit subunit10606. The Bluetooth communication side matching circuit subunit10606is electrically connected to the Bluetooth signal processing subunit10604and the Bluetooth communication side antenna subunit10608.

In an embodiment, according to the Bluetooth communication unit106and the triangle locating method, the present invention is applied to the location-based service (LBS) and the real time locating system (RTLS).

The Bluetooth communication side control subunit10602is a microprocessor or a microcontroller. The frequency of the Bluetooth communication side antenna subunit10608is 2.4 GHz. The Bluetooth communication side memory subunit10610is a random access memory (RAM).

Moreover, the wireless transmission apparatus10with Bluetooth and short distance communication further includes a display unit. The display unit is electrically connected to the processing unit102. The display unit is, for example, an electronic paper or a liquid crystal display. The wireless transmission apparatus10with Bluetooth and short distance communication can be applied to the electronic shelf label (ESL).

The present invention includes following features.

1. The processing unit102is configured to control the Bluetooth communication unit106through the Bluetooth communication side interface unit104to transmit information in the Bluetooth communication unit106to the processing unit102and the short distance communication unit110.

2. The processing unit102is configured to control the short distance communication unit110through the short distance communication side interface unit108to transmit information in the short distance communication unit110to the processing unit102and the Bluetooth communication unit106.

3. The short distance communication unit110can transfer the energy of the short distance wireless signal into power for driving the short distance communication unit110. Therefore, the battery118may not supply power to the short distance communication unit110.