|
ELECTRET FOIL MICROPHONE
Electret ducer: Definition and Much More from Answers.com
A simple implementation of the most widely used electret ducer is the foil-electret microphone. The diaphragm, typically 0.5- or 1-mil (12- or
1964B11023 1964-09 2004 IEE 1964 67 Sept. B 11023 21 The electret
(USA) IEEE Trans Broadcast and Televis Receivers (USA) BTR-10 1 73-76 May 1964 USA A new kind of electrostatic microphone which uses a foil electret between
electret condenser microphone
This is known as the foil or diaphragm type. The electret material dose In itself an electret microphone does not need a polarizing voltage or current.
Electret Condenser Manufacturers & Suppliers
1.5mm Omnidirectional Foil Electret Condenser Microphone with More than 60dB S/N Ratio · 1.5mm Omnidirectional Foil Electret Condenser Microphone
Supplier of Hong Kong products: AL Goodwell Industries Ltd
Microphone units · Foil Electret Condenser Microphone Foil Electret Condenser Microphone with Omnidirectional Directivity - OD35TF
Intercom systems and Video Conference System Manufacturer
Numeric display; 2W Loudspeaker; Electret microphone; 15 key foil keyboard; IP65 rated; LED call indication; Measurements (height x width x depth) 280 x 135
simple laser power meter dependent on photoacoustic effect
The design of our electret microphone is based on an earlier. reported design (Sessler and West 1964. 1966). The electret foil
Open-cell photoacoustic radiation detector
electret microphone used as the ducer medium itself. The Sessler G M 1963 Electrostatic microphones with electret foil. J. Acoust. Soc.
AES Electronic Library: Condenser Microphones with Electret Foil
A new kind of condenser microphone which utiliizes a foil electret and therefore requires no external dc bias is described in this paper.
AES Electronic Library: Condenser Microphones with Electret Foil
Stability of an electret microphone for the first nine months, Measurements over a period of about one year have shown that microphones ith foil electret
Heritage
Foil Electret Microphone: Sessler & West (1960) About 1960, new work on acoustic ducers was initiated by Gerhard Sessler & James West. Building upon the older notion that some dieletrics can
Power-Saving Omnidirectional Foil Electret Condenser Microphone
Electromechanical Component > Acoustic Components Power-Saving Omnidirectional Foil Electret Condenser Microphone Price: Please contact Power-Saving Omnidirectional Foil Electret Condenser
Electret Microphone Turns 40
40 In this 1976 archive photo, Gerhard Sessler (left) and Jim West, inventors of the foil electret microphone (foreground), display a strip of the foil that was a subject of their ongoing research
Electret Microphone
Patent Number(s) 3,118,022 Inducted 1999 Gerhard Sessler and James West invented the foil electret microphone while working at System Test » w5.gif Microphone A high quality measurement and
Microphone Pre Amp
A foil electret microphone is a relatively new type of condenser microphone invented at Bell laboratories in 1962, andoften simply called an electret microphone. An electret is a dielectric material
Science Update: Spotlight on African American Scientists
In 1962, with Gerhard Sessler, West developed the foil electret microphone. Recently, after a distinguished 40-year career, including stints at Lucent Technologies and as a Bell Laboratories Fellow
Preamplifier - Wikipedia, the free encyclopedia
edit] Examples the integrated preamplifier in a foil electret microphone. the first stages of an instrument amplifier. a stand-alone unit for use in live music and recording studio applications. as
Invention Patent
Inventor of the Week This Week Inventor Archive Inventor Search Foil Electret Microphone In the 1960s a pair of Bell Labs scientists James Edward West and Gerhard M Sessler worked together to produce
Hexapedia - Preamplifier
Examples are: the integrated preamplifier in a foil electret microphone. the first stages of an instrument amplifier. an audio mixing desk. a masthead amplifier used with television receiver antenna
Lavaliere Microphone
A foil electret microphone is a relatively new type of condenser microphone invented at Bell laboratories in 1962, andoften simply called an electret microphone. An electret is a dielectric material
electret+foil+microphone: electret+foil+microphone
|
