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Class Information
Number: 181/195
Name: Acoustics > Sound-modifying means > Intensifying horn > Particular shape of the horn > Wide angle annular outlet
Description: Subject matter wherein the horn has a mouth from which sound emanates and has at least a quarter circle silhouette when viewed from one of its sides.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7610991 |
Speaker and method of outputting acoustic sound |
Nov. 3, 2009 |
| 7275621 |
Skew horn for a loudspeaker |
Oct. 2, 2007 |
| 6712177 |
Cross-fired multiple horn loudspeaker system |
Mar. 30, 2004 |
| 6059069 |
Loudspeaker waveguide design |
May. 9, 2000 |
| 5020630 |
Loudspeaker and horn therefor |
Jun. 4, 1991 |
| 5004067 |
Cinema sound system for unperforated screens |
Apr. 2, 1991 |
| 4982436 |
Dual horn folded soundpath loudspeaker |
Jan. 1, 1991 |
| 4580655 |
Defined coverage loudspeaker horn |
Apr. 8, 1986 |
| 4496021 |
360 Degree radial reflex orthospectral horn for high-frequency loudspeakers |
Jan. 29, 1985 |
| 4348549 |
Loudspeaker system |
Sep. 7, 1982 |
| 4348750 |
Energy control device |
Sep. 7, 1982 |
| 4310065 |
Radial horn |
Jan. 12, 1982 |
| 4171734 |
Exponential horn speaker |
Oct. 23, 1979 |
| 4134471 |
Narrow angle cylindrical wave full range loudspeaker system |
Jan. 16, 1979 |
| 4104610 |
Ultrasonic wave horn |
Aug. 1, 1978 |
| 3972385 |
Horn speaker |
Aug. 3, 1976 |
| 3935925 |
Horn unit for a speaker |
Feb. 3, 1976 |
| 3930561 |
Low distortion pyramidal dispersion speaker |
Jan. 6, 1976 |
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