The phrase "a kind of device" is correct and usable in written English.
You can use it when describing a specific type or category of device that may not fit neatly into a single classification.
Example: "The new gadget is a kind of device that combines both a camera and a smartphone."
Alternatives: "a type of device" or "a sort of device".
"But that is O.K. My sense is that I am used there as a kind of device to create change".
Maybe part of Louis's self-flagellation and shame is a kind of device for the film, I don't know.
The competition has left workers in a kind of device limbo, in which some have resorted to carrying two devices — one for work and one for play.
Tidal current turbine (TCT) is a kind of device which converts the tidal current energy into electricity and its technology has got rapid progress in last decade.
Much as Mr. Ishiguro does, Mr. Romanek reveals his secrets slowly and scatters his hints carefully, isolating crucial moments, like the children's -- and later the adults' -- indifferently passing their metal bracelets over a kind of device as if they were workers electronically punching the clock.
An "office-based surgical device" is a kind of device which aims to shift the conventional surgical procedures from the operating room to the confines of the doctor's/surgeon's office as well as to assist the surgeons to carry out the surgeries on the patients automatically or semi-automatically.
I have argued, and continue to believe, that it's not the point of a tablet to replace a laptop, but to be a kind of device-of-choice, the computing gadget you use when you don't have to work on your PC or fiddle with your phone, for when you have things you want to do, as opposed to the things you have to do.
A good way to do it is to use a ticking stop watch - or any kind of device with a bell, timer, beeper, or ring tone - that you can set for a fixed, brief period of time.
Therefore, in this study, we fabricated a kind of CBRAM device with Co/HfO2/Pt structure to investigate the magnetic structure characteristics of the filament in the device.
Telephones were first sold exclusively for business purposes and only later as a kind of practical device for the home.
And for those unused to its fire and fury, even a small dish of kimchi can appear less as a delicacy than as a kind of incendiary device.
