Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Josef Lutz, Rohrau AT

Josef Lutz, Rohrau AT

Patent application numberDescriptionPublished
20080212409Membrane For a Mems Condenser Microphone - A membrane (09-04-2008
20080230304Membrane for an Electroacoustic Transducer - A membrane (09-25-2008
20080292119Asymmetrical Moving Systems for a Piezoelectric Speaker and Asymmetrical Speaker - The present invention discloses a moving system (11-27-2008
20100040246COMPOUND MEMBRANE, METHOD OF MANUFACTURING THE SAME, AND ACOUSTIC DEVICE - A compound membrane (02-18-2010
20100092011MEMBRANE FOR AN ELECTROACOUSTIC TRANSDUCER AND ACOUSTIC DEVICE - A membrane for an electroacoustic transducer is disclosed, wherein said membrane (04-15-2010
20100195864ELECTRO-ACOUSTIC TRANSDUCER COMPRISING A MEMS SENSOR - An electro-acoustic transducer (08-05-2010
20100239109ACOUSTIC DEVICE AND METHOD OF MANUFACTURING SAME - An acoustic device (09-23-2010
20100246840METHOD OF DETERMINING THE HARMONIC AND ANHARMONIC PORTIONS OF A RESPONSE SIGNAL OF A DEVICE - A method of determining the harmonic and anharmonic portions of a response signal (RS) of a device (09-30-2010
20110019866MEMBRANE FOR AN ELECTROACOUSTIC TRANSDUCER - A membrane for an electroacoustic transducer is disclosed having a first area, a second area, which is arranged for translatory movement in relation to said first area, and a third area, which connects said first area and said second area, wherein local, planar spring constants along a closed line within said third area encompassing said second area, are determined in such a way that local, translatory spring constants along said line in a direction of said translatory movement are substantially constant or exclusively have substantially flat, mutual changes.01-27-2011
20110056302ELECTRONIC CIRCUIT FOR CONTROLLING A CAPACITIVE PRESSURE SENSOR AND CAPACITIVE PRESSURE SENSOR SYSTEM - An electronic circuit (03-10-2011
20110103621THERMO-ACOUSTIC LOUDSPEAKER - A thermo-acoustic loudspeaker has a heating sheet and a plurality of support bars supporting the heating sheet away from a substrate. The heating sheet has at least one opening adjacent to each cavity. During manufacture, the opening or openings are used to etch away the material of the layer under the heating sheet. The layer under the heating sheet may be a sacrificial layer for example of photoresist or silicon dioxide.05-05-2011

Patent applications by Josef Lutz, Rohrau AT