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Vintage Television and Video Vintage television and video equipment, programmes, VCRs etc. |
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29th Sep 2017, 6:24 pm | #1 |
Dekatron
Join Date: Dec 2004
Location: East Yorkshire, UK.
Posts: 3,990
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Switching TVs on remotely ?
Prompted by a recent BBC news item from Japan. Apparently the Warning sirens were sounded during the night, and the TVs in private houses were switched on remotely by the authority's to broadcast a warning of Missiles.
I guess these were smart TVs, would it be possible in the UK ? Or were these sets special manufactured for Japan. John. |
29th Sep 2017, 6:47 pm | #2 |
Moderator
Join Date: Jun 2003
Location: Oxford, UK
Posts: 27,970
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Re: Switching TVs on remotely ?
I suspect this has come in from some news agency and has been garbled in the process. Obviously a broadcaster can't turn on a TV if it's switched off. Maybe somebody mistranslated some Japanese text.
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29th Sep 2017, 6:57 pm | #3 |
Hexode
Join Date: Jun 2005
Location: Aberystwyth, Wales, UK.
Posts: 358
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Re: Switching TVs on remotely ?
According to Wikipedia a number of consumer device (TV and radios) can be automatically switched on (if in sleep mode) by the Earthquake Early Warning system. On FM radio a tone is transmitted that is detected by the radio (in sleep mode) and automatically switches it on so the warning can be heard.
Dave GW7ONS |
29th Sep 2017, 6:57 pm | #4 |
Dekatron
Join Date: Aug 2013
Location: Wigan, Greater Manchester, UK.
Posts: 9,433
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Re: Switching TVs on remotely ?
I would think it needs to be built in to the TV and in standby.
For information I can turn my Sky box on from my iPad over the WiFi network so it’s possible a “Wake on LAN”, Over The Air, or similar comms link could do the same for a TV. Even if I was not at home, if I was on a WiFi network I could set up the Sky box to record programmes from my phone. So controlling the Sky box does not take much of a step to controlling the TV.
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Frank |
29th Sep 2017, 7:01 pm | #5 |
Dekatron
Join Date: Dec 2004
Location: East Yorkshire, UK.
Posts: 3,990
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Re: Switching TVs on remotely ?
It was an interview with a Japanese resident who spoke very good English, and was very convincing. I think he was surprised this had happened. I would guess the set would have been left in standby.
John. |
29th Sep 2017, 7:02 pm | #6 |
Heptode
Join Date: Apr 2011
Location: Edinburgh, UK.
Posts: 805
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Re: Switching TVs on remotely ?
I stayed at the Europa Hotel in Belfast in the 1980s and they had their bedroom tellies connected via a mains switch box so they could be turned on remotely for security announcements.
Obviously not the same system, but similar application. |
29th Sep 2017, 7:48 pm | #7 |
Dekatron
Join Date: Apr 2012
Location: Wiltshire, UK.
Posts: 14,010
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Re: Switching TVs on remotely ?
Probably this is Japan's "Zenkoku Shunji Keihō Shisutemu": https://en.wikipedia.org/wiki/J-Alert
The US has a similar mobile-phone-based system: https://en.wikipedia.org/wiki/Wireless_Emergency_Alerts |
29th Sep 2017, 7:51 pm | #8 | |
Dekatron
Join Date: May 2010
Location: Greater Manchester, UK.
Posts: 18,725
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Re: Switching TVs on remotely ?
Quote:
Graham. G3ZVT |
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29th Sep 2017, 8:26 pm | #9 | |
Dekatron
Join Date: Jan 2005
Location: Oxford, UK.
Posts: 17,866
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Re: Switching TVs on remotely ?
My posh Sony ST-SB920 tuner (which cost of all of £7.50 on eBay) has something like this:
Quote:
But it can't switch it ON from off. Nick. |
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2nd Oct 2017, 9:52 am | #10 |
Octode
Join Date: Mar 2006
Location: Co. Durham, UK.
Posts: 1,118
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Re: Switching TVs on remotely ?
Another part of Orwell's nightmare comes true!
It was meant to be a warning, not an instruction book. |
2nd Oct 2017, 10:41 am | #11 |
Banned
Join Date: Dec 2013
Location: Middlewich, Cheshire, UK. & Winter in the Philippines.
Posts: 3,897
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Re: Switching TVs on remotely ?
There are some very sophisticated tsunami warnings systems around the world.
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2nd Oct 2017, 11:48 am | #12 |
No Longer a Member
Join Date: Oct 2016
Location: Maroochydore, Queensland, Australia.
Posts: 2,679
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Re: Switching TVs on remotely ?
I was informed by a local TV tech that one day a huge number of TV's in our area "locked up" with a frozen picture on the screen, I think they must have been "smart TV's". Most people didn't think to turn them on & off to reset them. Service calls overwhelmed all the local service centers. The sets were non responsive to their controllers and all showed the same TV presenter's face on the screen. The TV channel had been inserting data into the transmission and it was somehow recognized as a command.
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