- carbon diaphragm
- 炭膜, 炭精片
English-Chinese electron industry dictionary (英汉电子工程大词典). 2013.
English-Chinese electron industry dictionary (英汉电子工程大词典). 2013.
Carbon microphone — The carbon microphone, also known as a carbon button microphone (or sometimes just a button microphone) or a carbon transmitter, is a sound to electrical signal transducer consisting of two metal plates separated by granules of carbon. One plate… … Wikipedia
Diaphragm valve — Diaphragm valves (or membrane valves) consists of a valve body with two or more ports, a diaphragm, and a saddle or seat upon which the diaphragm closes the valve. The valve is constructed from either plastic or steel. Originally, the diaphragm… … Wikipedia
Diaphragm (acoustics) — In the field of acoustics, a diaphragm is a transducer intended to faithfully inter convert mechanical motion and sound. It is commonly constructed of a thin membrane or sheet of various materials. The varying air pressure of the sound waves… … Wikipedia
carbon microphone — noun : a microphone whose operation depends on the alteration of the electrical resistance of carbon contacts * * * carbon microphone noun A microphone in which variations in sound pressure produced in a diaphragm are detected in a current… … Useful english dictionary
Emile Berliner — Infobox Person name = Emile Berliner image size = 250px caption = Emile Berliner with disc record gramophone birth name = birth date = May 20, 1851 birth place = Hanover, Germany death date = August 3, 1929 death place = death cause = resting… … Wikipedia
Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A … Wikipedia
respiration, human — ▪ physiology Introduction the process by which oxygen is taken up and carbon dioxide discharged. The design of the respiratory system The human gas exchanging organ, the lung, is located in the thorax, where its delicate tissues are… … Universalium
telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… … Universalium
Invention of the telephone — The modern telephone is the result of work done by many people, all worthy of recognition of their contributions to the field. Alexander Graham Bell was the first to patent the telephone, an apparatus for transmitting vocal or other sounds… … Wikipedia
Breathing — Breath redirects here. For other uses, see Breath (disambiguation). For other uses, see Breathing (disambiguation). The human respiratory system Breathing is the process that moves air in and out of the lungs. Aerobic organisms require oxygen to… … Wikipedia
Respiratory system — See also: Respiratory tract Respiratory A complete, schematic view of the human respiratory system with their parts and functions. Latin … Wikipedia