The online retail giant was rightly concerned that any time it wanted to run a TV or radio ad demonstrating how the Echo speakers worked, the use of the word "Alexa" would "wake up" devices across the globe.
Did Super Bowl ad hint that Austin will land Amazon's HQ2?
The patent broadly describes two techniques. Another method utilises transmitting an inaudible acoustic signal during an advert to tell Alexa to ignore a wake word.
Sanchez nets on home debut for Man U win vs Huddersfield
Sterling's miss came moments after City goalkeeper Ederson made a sensational save to deny Aaron Lennon a goal on his home debut. The Chile global saw his penalty saved in the 68th minute but scored when the ball richocheted off goalkeeper Jonas Lossl.
There's been a ton of speculation about which city Amazon is going to choose.
He then recorded someone saying "Alexa" and deleted that frequency band, and his own Echo speaker ignored the command - seemingly proving the theory correct.
According to the annual Ad Meter survey run by USA Today, the Amazon commercial-a amusing spot with cameos by Bezos and other celebrities, in which the virtual assistant Alexa loses her voice-was the highest-rated ad shown during last night's Super Bowl.
USA Today said Amazon's Alexa ad won among male respondents and respondents under 21, 21-to-34-year-olds, 35-to-49-year-olds and 50-to-64-year-olds.
All iPhone XI and iPhone 9 handsets might use Intel modems
Some may argue that the iPhone X was launched only in November, which led to the company missing out on full-quarter sales. Now he believes Qualcomm will not supply modems for 2018 iPhones because Intel is offering several advantages.
Amazon just blogged about this topic and shed perhaps a bit more light on it.
If you need to talk to Alexa-Amazon's personal digital assistant-it's available at the press of a button on the Fire HD 8. It will also be quietly telling tens of millions of Alexas to keep sleeping peacefully.
China accuses United States of 'Cold War mentality'
It overturns years of Obama-era policy that sought to reduce the size and power of the United States' nuclear arsenal. The document also says China continues to increase the number, capabilities and protection of its nuclear forces.