Both! Ultrasound Tech, or Technician, is the same as Sonographer. You may also hear the term Diagnostic Medical Sonographer as well as Ultrasonographer.Each of these titles refers to the profession of operating ultrasound machines, which produce images used to diagnose and treat patients.oth! Ultrasound Tech, or Technician, is the same as Sonographer. You may also hear the term Diagnostic Medical Sonographer as well as Ultrasonographer.
Flip-flop hub. Flip-flop hubs, also called double-sided hubs, are rear bicycle hubs that are threaded to accept fixed cogs and/or freewheels on both sides. There are several different types of flip flop hubs available for different applications. Their main purpose is to allow changing between two different size gear ratios on one rear wheel without the added complications of a derailleur or internal hub gear, or between a fixed and freewheeling option.
In electronics, a flip-flop or latch is a circuit that has two stable states and can be used to store state information. A flip-flop is a bistable multivibrator. The circuit can be made to change state by signals applied to one or more control inputs and will have one or two outputs.