Class 381/179 - Resistive

Subclass of Class 381 - Electrical audio signal processing systems and devices
Definition: Subject matter having an element the resistance of which
No. of patents: 4
Last issue date: 09/14/2004

Number	Title	Issue Date
6792123	Electroacoustic transducer An electrostatically operating electroacoustic transducer, operating as a sound receiver and configured to be mounted in a microphone capsule, has an electrode and a diaphragm connected to one another at a spacing from one another by a spacer ring, wherein on the el...	09/14/2004
5450372	Magnetoresistive microphone and acoustic sensing devices In accordance with the invention, a new type of microphone utilizes a magnetoresistive sensing element. Specifically, acoustical energy causes vibrations between a magnetoresistive element and a magnet, producing a variation in the resistance which can be...	09/12/1995
4340787	Electroacoustic transducer An electroacoustic transducer of the electrodynamic type comprises a flat magnetic system permeable to sound including a diaphragm with conducting tracks which are disposed within the system which has a mass provided with conducting tracks substantially e...	07/20/1982
3991285	Microphone having an electrostatic cartridge having a structural electrical resistor Microphone including an electrostatic microphone cartridge at least one of the electrodes of which is connected to a large resistor which forms part of an electronic circuit. The circuit may be the supply part or the input of the associated microphone amp...	11/09/1976

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