The two most common forms of recording head are:
Earlier systems, such as phonograph records, used mechanical heads known as styli to physically cut grooves in the recording medium, in a configuration (of size, width, depth and position) recoverable as sound.
Researchers Submit Patent Application, "Magnetic-Recording Head with Touch-Down Detector Incorporating a Carbon Nano-Tube", for Approval
Jul 25, 2013; By a News Reporter-Staff News Editor at Politics & Government Week -- From Washington, D.C., VerticalNews journalists report that...
Patent Application Titled "Image Forming Apparatus Including Recording Head for Ejecting Liquid Droplets" under Review
Mar 07, 2013; By a News Reporter-Staff News Editor at Politics & Government Week -- According to news reporting originating from Washington,...