| Patents for G01H 7 - Measuring reverberation time (116) | |
|---|---|
| 11/1990 | |
| 11/13/1990 | CA1276078C Distributed sensor and method using coherence multiplexing of fiber-optic interferometric sensors |
| 08/1990 | |
| 08/01/1990 | EP0380310A2 An acoustic analysis device and a frequency conversion device used therefor |
| 02/1989 | |
| 02/21/1989 | US4807165 Method for the determination and display of signal arrival time, intensity and direction |
| 11/1988 | |
| 11/01/1988 | US4782284 Frequency analyzer |
| 12/1987 | |
| 12/29/1987 | CA1230828A1 Digital graphic equalizer |
| 10/1987 | |
| 10/13/1987 | US4699513 Distributed sensor and method using coherence multiplexing of fiber-optic interferometric sensors |
| 04/1987 | |
| 04/28/1987 | US4661982 Digital graphic equalizer |
| 10/1986 | |
| 10/21/1986 | US4618851 Apparatus for reproducing signals pre-stored in a memory |
| 08/1986 | |
| 08/20/1986 | EP0191588A2 Distributed sensor and method using coherence multiplexing of fiber-optic interferometric sensors |
| 10/1985 | |
| 10/30/1985 | EP0159546A1 Digital graphic equalizer |
| 10/22/1985 | US4549289 Method for correcting acoustic distortion |
| 06/1983 | |
| 06/28/1983 | US4389892 Reverberation characteristics measuring device |
| 06/1981 | |
| 06/16/1981 | US4272990 Device for the measurement of acoustic reverberation time and method |
| 06/1980 | |
| 06/17/1980 | CA1079842A1 Acoustic measuring system |
| 11/1978 | |
| 11/07/1978 | US4124895 Acoustic measuring system |
| 02/1976 | |
| 02/17/1976 | US3939405 Apparatus and method for making decay rate measurements |
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