Ad
related to: microphone timeline with pictures and names free images
Search results
Results from the WOW.Com Content Network
Noise cancelling microphones such as the Electro-Voice T45 lip microphone were instrumental to fighter and bomber airplane, tank, battleship and ground troop radio communications. EV licensed the patent to the government for free to be applied by other manufacturers to produce what was needed for the war supply. [1] [4] [6] [7]
A new type of laser microphone is a device that uses a laser beam and smoke or vapor to detect sound vibrations in free air. On August 25, 2009, U.S. patent 7,580,533 issued for a Particulate Flow Detection Microphone based on a laser-photocell pair with a moving stream of smoke or vapor in the laser beam's path.
Ring-and-spring microphones, such as this Western Electric microphone, were common during the electrical age of sound recording c. 1925–45.. The second wave of sound recording history was ushered in by the introduction of Western Electric's integrated system of electrical microphones, electronic signal amplifiers and electromechanical recorders, which was adopted by major US record labels in ...
The microphone came with a switch to tailor the mid-bass response, attenuating frequencies below 400 Hz with a mild high-pass filter. Like all premium microphones made by EV, it used EV's 1930s humbucker method of reducing electromagnetic interference by wiring a humbucking coil out of polarity with the microphone element coil.
1877 : The microphone was first invented by David Edward Hughes, despite Thomas Edison being granted the patent. Hughes discovered that electrical currents varied when sound vibrations were passed through carbon packed into a confined space. His first broadcast was of scratching insects.
There are several types of timeline articles. Historical timelines show the significant historical events and developments for a specific topic, over the course of centuries or millennia. Graphical timelines provide a visual representation for the timespan of multiple events that have a particular duration, over the course of centuries or ...
First patent on foil electret microphone by G. M. Sessler and J. E. West (pages 1 to 3) West was born on February 10, 1931, in Farmville, Prince Edward County, Virginia as the elder of two children to Samuel Edward and Matilda West. He was born in his maternal grandfather's house because the local hospital would not admit Black people.
Frances Densmore and Blackfoot chief Mountain Chief working on a recording project of the Bureau of American Ethnology (1916).. Sound recording and reproduction is the electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects.
Ad
related to: microphone timeline with pictures and names free images