Bluetooth

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Related to Bluetooth specification: Bluetooth profiles

Bluetooth

(protocol, standard)
A specification for short-range radio links between mobile computers, mobile phones, digital cameras, and other portable devices.

http://bluetooth.com.

Bluetooth

The standard wireless network for short-range transmission of digital audio and data. Using radio waves, Bluetooth transmits through walls and other non-metal barriers. Although the term is synonymous with cellphone headsets and hands-free telephony in vehicles, Bluetooth is also used for wireless speakers, keyboards, mice, game controllers, smartwatches and more (for the different categories, see Bluetooth profiles). Constantly enhanced, see Bluetooth versions for version details.

Spread Spectrum Frequency Hopping
Bluetooth is a personal area network (WPAN) that continuously changes its frequency. It randomly changes to one of 79 channels 1,600 times per second in the same unlicensed 2.4 GHz band as Wi-Fi. See spread spectrum.

Scandinavian Origins
Named after ancient King Harald Blatan of Denmark, Sweden-based Ericsson developed Bluetooth and co-founded the governing body in 1998 (www.bluetooth.com). Bluetooth is also an IEEE personal area network (PAN) standard (see 802.15). Supporting point-to-point and multipoint architectures (see piconet), there are billions of Bluetooth devices in use. See Bluetooth glossary.


Bluetooth = Headset
Because they are were so ubiquitous, "Bluetooth" initially became synonymous with "headset." However, Bluetooth connects many other devices.







Game Controllers
This "gamepad" from Sony uses Bluetooth to communicate with the PlayStation3 game console. See video game controller. (Image courtesy of Sony Corporation.)







Blue Teeth!!
This Oral-B toothbrush sends elapsed time to the app in the user's smartphone via Bluetooth to monitor brushing time and history.







The Bluetooth Logo
The stylized "B" displayed on this cellphone means it has been synchronized with a Bluetooth device.
References in periodicals archive ?
1 + EDR, launched on 31 July, 2007, by the Bluetooth Special Interest Group (SIG), is the latest version of the Bluetooth specification.
It seems apparent from the complaint in this case that Wi-LAN is attempting to hang its hat on the Bluetooth specification entirely, and has likely made no reasonable efforts to actually observe or measure the frequency behavior of the defendants' products in question.
The qualification of 'MicroStack Profiles' as defined by the Bluetooth specification 1.
Tokyo-based Taiyo Yuden Co Ltd claims that its Bluetooth module has become the first full module in the world to earn certification for compliance with the requirements of Bluetooth Specification v1.
Exceeds Bluetooth specification for receiver sensitivity by as much as 15dB.
2 of the Bluetooth specification, we have ensured that BlueCore offers the highest levels of coexistence available without sacrificing key features such as low power consumption.
The Bluetooth Special Interest Group (SIG) has adopted a second generation Bluetooth specification that would increase data rates up to three times and reduce power consumption by up to half.
CSR plc (LSE:CSR) voiced its support for the Bluetooth special interest group's (SIG) move, announced today, to integrate ultra-wideband technology (UWB) into the Bluetooth specification.