The phrase "a device that parallels" is correct and usable in written English.
It can be used when describing a device that functions in a similar manner or serves a similar purpose to something else.
Example: "The new software acts as a device that parallels traditional methods of data analysis, providing users with more efficient tools."
Alternatives: "a tool that mirrors" or "an instrument that corresponds".
Unfortunately, it involved building an artificially intelligent observer and, even more problematically, that observer had to be a quantum computer, a device that exploits quantum mechanics to do huge numbers of calculations in parallel.
The TID consists of an inerter, a device that exerts a force proportional to relative acceleration, coupled with a parallel spring and damper.
The collimator is an optical device that produces parallel rays from a focal plane source i.e., it gives the appearance that the source is located at an infinite distance.
It's a good device that makes us see the parallels between corrupt and abusive mid-19th-century Russia and our own times, but the show skitters all over the place without committing itself to any particular line of inquiry, so the overall impression is of some good ideas that are not yet fully explored intellectually or aesthetically.
It was Andrew Davies's BBC adaptation that significantly advanced the parallel with the play's confiding Machiavel by using a Shakespearean device that was also adopted in the current US version starring Kevin Spacey: the politician directly addressing the audience.
"Walternate", Walter's doppelgänger in the parallel universe, is the U.S. Secretary of Defense and has set events in motion to assemble the Machine, a doomsday device that reacts only to Peter's biology.
We adopt a UPFC because it is a serial-parallel FACTS device that can realize both voltage control and impedance control [22].
The existing training devices that use parallel links [4, 5] utilize a pneumatic cylinder as an actuator, which can be difficult to position and is noisy because of the use of a pump.
They introduced an innovative parallel narrative about two (fictional) actors having an affair while working on the film, a self-referential device that echoed Fowles's literary stylistics.
To address these issues, efforts are underway to develop rehabilitation training devices that use parallel link mechanisms.
