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Class Information
Number: 181/148
Name: Acoustics > Diaphragm and enclosure
Description: Subject matter having means that can be vibrated by sound waves or produce sound waves and means to support and means to at least partially contain the vibrated means.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4173267 |
Speaker cabinet |
Nov. 6, 1979 |
| 4168762 |
Loudspeaker enclosure |
Sep. 25, 1979 |
| 4167985 |
Speaker system |
Sep. 18, 1979 |
| 4161230 |
Loudspeaker equipment |
Jul. 17, 1979 |
| 4149034 |
Resolution enhanced sound detecting apparatus |
Apr. 10, 1979 |
| 4147229 |
Vibratile mode speaker cabinet |
Apr. 3, 1979 |
| 4142603 |
Adjustable speaker cabinet |
Mar. 6, 1979 |
| 4139076 |
Loudspeaker enclosure with enhanched bass response |
Feb. 13, 1979 |
| 4139075 |
Loudspeaker device |
Feb. 13, 1979 |
| 4131179 |
High fidelity speaker system |
Dec. 26, 1978 |
| 4129752 |
Shock resistant loudspeaker enclosure |
Dec. 12, 1978 |
| 4122910 |
Omniphonic microphone and loudspeaker system |
Oct. 31, 1978 |
| 4122911 |
Loudspeaker assembly |
Oct. 31, 1978 |
| 4100372 |
Audio console system for home and vehicle |
Jul. 11, 1978 |
| 4031318 |
High fidelity loudspeaker system |
Jun. 21, 1977 |
| 4029170 |
Radial sound port speaker |
Jun. 14, 1977 |
| 4010821 |
Omnidirectional sympathetically driven sound reproduction device |
Mar. 8, 1977 |
| 3980154 |
Cabinet for improving the sound output of an amplifier |
Sep. 14, 1976 |
| 3977494 |
Adjustable support and housing for a doll and the like |
Aug. 31, 1976 |
| 3976162 |
Personal speaker system |
Aug. 24, 1976 |
| 3967065 |
Plexiglas speakers |
Jun. 29, 1976 |
| 3952834 |
Embedded type speaker with over lying grill |
Apr. 27, 1976 |
| 3953675 |
Audio speaker system |
Apr. 27, 1976 |
| 3945461 |
Sound speaker system |
Mar. 23, 1976 |
| 3938617 |
Speaker enclosure |
Feb. 17, 1976 |
| 3931867 |
Wide range speaker system |
Jan. 13, 1976 |
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