Toby TerrierVideo Encoded Invisible Light

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https://en.wikipedia.org/wiki/Video_...nvisible_Light

Video Encoded Invisible Light (VEIL) is a technology for encoding low-bandwidth digital data bitstream in video signal, developed by VEIL Interactive Technologies. VEIL is compatible with multiple formats of video signals, including PAL, SECAM, and NTSC. The technology is based on a steganographically encoded data stream in the luminance of the videosignal.

A recent application of VEIL, the VEIL Rights Assertion Mark (VRAM or V-RAM) is a copy-restriction signal that can be used to ask devices to apply DRM technology. This has been seen as analogous to the broadcast flag. It is also known as "CGMS-A plus VEIL" and "broadcast flag on steroids."

There are two versions of VEIL on the market:

VEIL-I, or VEIL 1, has raw speed of 120 bits per second. It is used for unidirectional communication (TV→devices) with simple devices or toys, and to deliver coupons with TV advertising. It manipulates the luminance of the video signal in ways difficult to perceive to human eye

VEIL-II, or VEIL 2, has speed of 7200-bit/s and is one of the technologies of choice for interactive television, as it allows communication with VEIL servers through devices equipped with backchannels.

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I'm strongly surprised how many technology have in tv signal to show on vfd........

For example:

The Batwave Communicator Handheld Device, when within 10 feet in the line of sight from the TV, will show engine graphics, diagnostics, weapon systems, and enables various games stored in the device.
Batwave Batman Action Figure will pop wings from its back and light up the emblem on its chest when subjected to the videosignal from the TV.
Batwave Batmobile with Handheld Device will turn on various LEDs acting as its lights, play sounds, and "capture" various weapons from the show.

This technology is also used in other toys, for example Toby Terrier.

VEIL was used in various ad campaigns[where?] for Foster's Lager. The campaign incorporated the use of VEIL decoders inside little figures of the famous cricket players Boon and Shane Warne. The toys would make comments during the cricket matches while in front of the television.