constant-speed drive
21Direct-drive turntable — A Technics SL 1200 turntable, a direct drive model widely used in DJing. A direct drive turntable is one of two main phonograph designs being manufactured today. The other style is the belt drive turntable. Each name is based upon the type of… …
22Servo drive — A servo drive is a special electric amplifier used to power electric servo motors. It monitors feedback signals from the motor and continually adjusts for deviation from expected behavior.A servo drive receives a command signal from a control… …
23Warp drive — is a form of faster than light propulsion in the fictional universe of Star Trek, capable of propelling spacecraft or objects to many multiples of the speed of light but avoiding the problems of time dilation. It is also featured in several… …
24Hybrid Synergy Drive — Hybrid Synergy Drive, (HSD) is a set of hybrid car technologies developed by Toyota and used in the company s Prius, Highlander Hybrid, Camry Hybrid, Lexus RX 400h, Lexus GS 450h, and Lexus LS 600h/LS 600hL automobiles. It is also used in the… …
25Four-wheel drive — This article is about the class of vehicle drivetrains. For other uses, see Four by four/Four wheel drive (disambiguation). All wheel drive redirects here. For the all wheel drive in motorcycles, see two wheel drive. The Jeep Wrangler is a 4WD… …
26Direct drive mechanism — A Direct drive mechanism is one that takes the power coming from a motor without any reductions (such as a gearbox). Contents 1 Advantages 2 Disadvantages 3 Applications 3.1 High speed …
27Alcubierre drive — The Alcubierre metric, also known as the Alcubierre drive or Warp Drive, is a speculative mathematical model of a spacetime exhibiting features reminiscent of the fictional warp drive from Star Trek , which can travel Faster than light (although… …
28Solid-state drive — A solid state drive (SSD) is a data storage device that uses solid state memory to store persistent data. Unlike flash based memory cards and USB flash drives, an SSD emulates a hard disk drive interface, thus easily replacing it in most… …
29X (writing speed) — In computer jargon, the speed at which data is written to (or read from) an optical disc (like a CD or a DVD) is shown as a multiple of X. For example, writing to a DVD at 8X will take less time than writing to it at 4X. [cite… …
30Tape drive — DDS tape drive. Above, from left right: DDS 4 tape (20 GB), 112m Data8 tape (2.5 GB), QIC DC 6250 tape (250 MB), and a 3.5 floppy disk (1.44 MB) A tape drive is a data storage device that reads and performs digital recording, writes data on a… …
