Aktieselskabet Bruel & Kjaer

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Patents Grantslast 30 patents

Information Patent Grant
Probe microphone
- Patent number 5,136,656
- Issue date Aug 4, 1992
- Aktieselskabet Bruel & Kjaer
- Erling Frederiksen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for providing a desired sound field as well as an ultrasonic...
- Patent number 4,910,838
- Issue date Mar 27, 1990
- Aktieselskabet Bruel & Kjaer
- Morten B. Jensen
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Pressure gradient microphone
- Patent number 4,887,300
- Issue date Dec 12, 1989
- Aktieselskabet Bruel & Kjaer
- Frederiksen Erling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photoacoustic gas analyzer
- Patent number 4,818,882
- Issue date Apr 4, 1989
- Aktieselskabet Bruel & Kjaer
- Sten A. Nexo
- G01 - MEASURING TESTING

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