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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 |
| 4778027 |
Rhythmizer |
Oct. 18, 1988 |
| 4765580 |
Loudspeaker support |
Aug. 23, 1988 |
| 4757548 |
Speaker system and dome-shaped enclosure therefor |
Jul. 12, 1988 |
| 4755975 |
Piezoelectric transducer for transmitting or receiving ultrasonic waves |
Jul. 5, 1988 |
| 4745584 |
Sonar transducer array |
May. 17, 1988 |
| 4733748 |
Loudspeaker mounting device for car radio |
Mar. 29, 1988 |
| 4727587 |
Acoustical transducer mounting arrangement |
Feb. 23, 1988 |
| 4700395 |
Recreational cooler and speaker system |
Oct. 13, 1987 |
| 4665550 |
Electrodynamic loudspeaker having omnidirectional sound emission |
May. 12, 1987 |
| 4638884 |
Chambered headrest mounting for stereophonic loudspeakers |
Jan. 27, 1987 |
| 4593404 |
Method of improving the acoustics of a hall |
Jun. 3, 1986 |
| 4578808 |
Electro-acoustic transducers |
Mar. 25, 1986 |
| 4566178 |
Process for assembling a cone speaker |
Jan. 28, 1986 |
| 4565905 |
Loudspeaker construction |
Jan. 21, 1986 |
| 4562590 |
Water-resistant device for protecting an electronic sound producing apparatus and loudspeaker system |
Dec. 31, 1985 |
| 4550796 |
Mount for loudspeaker on vehicle panel |
Nov. 5, 1985 |
| 4550229 |
Trumpet horn speaker |
Oct. 29, 1985 |
| 4535475 |
Audio reproduction apparatus |
Aug. 13, 1985 |
| 4509192 |
Speaker enclosure |
Apr. 2, 1985 |
| 4501934 |
Loudspeaker system |
Feb. 26, 1985 |
| 4489770 |
Waterproof enclosure |
Dec. 25, 1984 |
| 4488010 |
Loudspeaker |
Dec. 11, 1984 |
| 4484658 |
Speaker support assembly |
Nov. 27, 1984 |
| 4472606 |
Mobile radio-telephone handset and holder |
Sep. 18, 1984 |
| 4465905 |
Loudspeaker assembly |
Aug. 14, 1984 |
| 4401858 |
Method for controlling wrinkles in a vibratile diaphragm |
Aug. 30, 1983 |
| 4395589 |
Electro-acoustical structure |
Jul. 26, 1983 |
| 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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