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Class Information
Number: 381/386
Name: Electrical audio signal processing systems and devices > Electro-acoustic audio transducer > Mounting or support feature of housed loudspeaker
Description: Subject matter having a) a transducer for converting a time varying electrical signal into sound combined with an enclosure, casing, shell, or baffle, or b) details of the fastening of such a transducer to or within an enclosure, casing, shell, or baffle, or c) means to hold an enclosed transducer for or during use.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4379951 |
Electro-acoustic transducer means |
Apr. 12, 1983 |
| 4346640 |
Decorative light flashing apparatus and acousto-electric transducer therefor |
Aug. 31, 1982 |
| 4334211 |
Speaker grille for streamlined light bar mounted on vehicle roof |
Jun. 8, 1982 |
| 4331841 |
Grille covered speaker mounting assembly for automobile decks and the like |
May. 25, 1982 |
| 4306121 |
Electro-acoustic transducer assembly |
Dec. 15, 1981 |
| 4230907 |
Dynamic loudspeaker able to be driven at increased steady power |
Oct. 28, 1980 |
| 4221929 |
Speaker system |
Sep. 9, 1980 |
| 4205205 |
Dynamic loudspeaker having magnetic assembly adhesively bonded within a surrounding basket |
May. 27, 1980 |
| 4199657 |
Planar sound reproducing speaker system |
Apr. 22, 1980 |
| 4191865 |
Loudspeaker padring and method of making the same |
Mar. 4, 1980 |
| 4144416 |
Unitary tuned port and loudspeaker frame |
Mar. 13, 1979 |
| 4139734 |
Pivoted loudspeaker enclosure with visual indicator of optimum listening position |
Feb. 13, 1979 |
| 4036464 |
Headset hanger |
Jul. 19, 1977 |
| 4033653 |
Universal speaker stand |
Jul. 5, 1977 |
| 4032725 |
Speaker mounting |
Jun. 28, 1977 |
| 4031318 |
High fidelity loudspeaker system |
Jun. 21, 1977 |
| 4028504 |
Acoustic amplifier combined with transducer shock mount |
Jun. 7, 1977 |
| 3985201 |
Infinite sound reproduction chamber |
Oct. 12, 1976 |
| 3976838 |
High fidelity sound reproduction system |
Aug. 24, 1976 |
| 3967065 |
Plexiglas speakers |
Jun. 29, 1976 |
| 3935398 |
Transducer with improved armature and yoke construction |
Jan. 27, 1976 |
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