Porous gas reservoir electrostatic transducer

An electrostatic transducer in which a plurality of perforated sheets are arranged adjacent one another in a stack. A gas-filled gap separates each adjacent pair of sheets. Conductive surfaces on each sheet impose an electric field within the respective gaps. A flexible positioning mechanism dispose...

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Bibliographische Detailangaben
Hauptverfasser:	BOLLEMAN, BRENT J, WHITEHEAD, LORNE A
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY FOR PERFORMING MECHANICAL WORK IN GENERAL GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL GENERATION LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY PERFORMING OPERATIONS PHYSICS PUBLIC ADDRESS SYSTEMS TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	An electrostatic transducer in which a plurality of perforated sheets are arranged adjacent one another in a stack. A gas-filled gap separates each adjacent pair of sheets. Conductive surfaces on each sheet impose an electric field within the respective gaps. A flexible positioning mechanism disposed between each adjacent pair of sheets maintains a desired average thickness of the gaps. A high porosity gas reservoir structure is fixed to one outer end of the stack, such that gas may flow through the sheets between the respective gaps and the reservoir. A cover sheet fixed to an end of the stack opposite the reservoir prevents gas flow between the gaps and the region external to the stack during operation of the transducer within its intended operating frequency range.