Emerald Detector is a machine that appears in the . It is a portable device, able to track and locate emeralds infused with Sonic the Hedgehog series chaos energy, such as the Chaos Emeralds, the Master Emerald and Emerald Shards. For the ongoing hunts for such emeralds, the Emerald Detector is a valuable device and has been used by heroes and villains alike.
Sonic the Hedgehog 3
The first Emerald Detector to appear was called the
Jewel Reader (. Developed by ジュエルレーダー Juerurēdā , lit. "Jewel Radar") ? Tails, it detected a reaction from the Master Emerald after the Death Egg landed on Angel Island, prompting Sonic and Tails to head out and investigate.
An Emerald Detector in
. Sonic Riders
, an Emerald Detector was used by Sonic Riders Team Sonic. This one resembled a stopwatch with a radar screen, a button display on the bottom and a small antenna on top. Its screen could display the surroundings in 3D, allowing for better location of the Emeralds.
Team Sonic used the Emerald Detector to track a
Chaos Emerald to Future City. While experiencing interferences, the Emerald Detector pinpointed an Emerald in the possession of the Babylon Rogues.
Sonic Rivals 2
, Sonic Rivals 2 Dr. Eggman Nega had a Ring-powered Emerald Detector. The Master Emerald, which Nega had stolen, was inserted into this device. This device was taken from Nega by Knuckles and Rouge who used it to find Emeralds as well; Knuckles sought the Master Emerald while Rouge looked for the Chaos Emeralds. At the end of their hunt, where Rouge found the Chaos Emeralds thanks to the Emerald Detector, Knuckles discovered the Master Emerald inside it, much to his dismay.
, an Emerald Detector, also called a Sonic Runners Master Emerald detector, was used by Dr. Eggman to track down the Emerald Shards of the Master Emerald. This device was a rectangular red pad with a round green radar screen, buttons on the edges and an antenna on top.
Early on, the Emerald Detector was used by Dr. Eggman to track
Team Sonic's movements, who were also hunting Emerald Shards, but when Eggman confronted them, he lost the Emerald Detector to the heroes, who used it to find the remaining Emerald Shards.
The Emerald Detector bears a few key similarities to the Dragon Radar from the manga :
They are both used to track down the prominent objects in their respective series; the Dragon Radar locates the Dragon Balls, and the Emerald Detector locates emeralds with Chaos energy.
The Emerald Detector's design is very similar to the Dragon Radar; in its design looked nearly identical to the Dragon Radar, in Sonic Riders it would beep when near the sought out objects.
Sonic Rivals 2
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