Device and method for searching for and connecting to bluetooth devices
First Claim
1. A device for searching and connecting to at least one Bluetooth device, the device comprising:
- a Bluetooth signal transceiver for transmitting a Host Controller Interface (HCI) inquiry signal to a plurality of Bluetooth devices, and receiving response signals from the plurality of Bluetooth devices in response to the HCI inquiry signal;
a detector for detecting an intensity of each of the received response signals so as to output an intensity value of the detected signal; and
a controller for controlling the Bluetooth signal transceiver for restricting a transmission power of the HCI inquiry signal to a preset transmission power of the HCI inquiry signal, selecting a Bluetooth device having the response signal with a greatest intensity among the received response signals, and connecting to the selected Bluetooth device.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed are a device and method for searching and connecting to Bluetooth devices. A Host Device restricts the Bluetooth transmit power below a preset level, so as to limit the transmission range of an HCI inquiry signal output from the Host Device. When two or more Bluetooth devices are detected within the restricted transmit range, the Host Device compares the intensities of response signals received from the Bluetooth devices, and then selects a Bluetooth device having the response signal with the greatest intensity. Next, the Host Device attempts to connect to the selected Bluetooth device and starts to provide Bluetooth services. Thus, it is possible to restrict the Bluetooth devices detected according to the restricted transmission power. Further, the Host Device can connect to the Bluetooth device located at the nearest position, thereby making it possible for a user to easily and conveniently start a Bluetooth device service.
15 Citations
10 Claims
-
1. A device for searching and connecting to at least one Bluetooth device, the device comprising:
-
a Bluetooth signal transceiver for transmitting a Host Controller Interface (HCI) inquiry signal to a plurality of Bluetooth devices, and receiving response signals from the plurality of Bluetooth devices in response to the HCI inquiry signal; a detector for detecting an intensity of each of the received response signals so as to output an intensity value of the detected signal; and a controller for controlling the Bluetooth signal transceiver for restricting a transmission power of the HCI inquiry signal to a preset transmission power of the HCI inquiry signal, selecting a Bluetooth device having the response signal with a greatest intensity among the received response signals, and connecting to the selected Bluetooth device. - View Dependent Claims (2, 3, 4)
-
-
5. A method for searching and connecting to at least one Bluetooth device, the method comprising the steps of:
-
restricting a transmission power of a HCI inquiry signal according to preset transmission power of a HCI inquiry signal; detecting if there are a plurality of Bluetooth devices which transmit a response signal in response to the transmitted HCI inquiry signal; identifying if the plurality of Bluetooth devices are detected; detecting intensities of the response signals received from the plurality of Bluetooth devices; and selecting a Bluetooth device corresponding to the response signal with a greatest intensity among the response signals and connecting a host device to the selected Bluetooth device through a Bluetooth communication. - View Dependent Claims (6, 7, 8, 9, 10)
-
Specification