TIMOTHY L GRIFFIN
Electrician in Shutesbury, MA

License number
Massachusetts 709
Issued Date
Jan 1, 1992
Expiration Date
Jul 31, 1998
Type
Systems Technician
Address
Address
Shutesbury, MA 01072

Professional information

Timothy Griffin Photo 1

Speaker Enclosures

US Patent:
D246174, Oct 25, 1977
Filed:
Oct 7, 1976
Appl. No.:
5/730693
Inventors:
Timothy L. Griffin - Shutesbury MA
International Classification:
D1401
US Classification:
D14 33


Timothy Griffin Photo 2

Speaker Enclosures

US Patent:
4014597, Mar 29, 1977
Filed:
Aug 27, 1975
Appl. No.:
5/608234
Inventors:
Timothy L. Griffin - Shutesbury MA
Assignee:
Amanita Sound, Incorporated - Easthampton MA
International Classification:
A47B 8106, A47B 4300, H05K 500
US Classification:
312 7R
Abstract:
Two main speaker enclosures when latched to each other at their open faces for transport purposes, enclose chambers that are of an internal configuration and dimension to respectively receive and hold two abutting auxiliary speakers in assembled relationship provided the two auxiliary speakers are inserted in a predetermined orientation. The chambers are formed by forwardly diverging walls of the speaker enclosures.


Timothy Griffin Photo 3

Loudspeaker Enclosure

US Patent:
4168762, Sep 25, 1979
Filed:
Jan 13, 1978
Appl. No.:
5/869303
Inventors:
Timothy L. Griffin - Shutesbury MA
Assignee:
Amanita Sound, Inc. - Easthampton MA
International Classification:
H05K 500, G10K 1300
US Classification:
181163
Abstract:
A loudspeaker enclosure comprises a shell having an opening therein and a loudspeaker mounting baffle disposed over the opening. The shell is formed entirely from one or more diaphragm members or passive radiators which oscillate in response to selected low frequency sound waves emanating from a loudspeaker mounted within the enclosure. The diaphragms forming the shell reinforce the forward acoustic radiation from the loudspeaker and militate against the formation of standing waves within the enclosure.


Timothy Griffin Photo 4

Shock Resistant Loudspeaker Enclosure

US Patent:
4129752, Dec 12, 1978
Filed:
Oct 20, 1977
Appl. No.:
5/843836
Inventors:
Timothy L. Griffin - Shutesbury MA
Assignee:
Amanita Sound, Inc. - Easthampton MA
International Classification:
H04R 102
US Classification:
179146E
Abstract:
A shock resistant loudspeaker enclosure includes a resilient shell formed with an opening therein and a resilient, shock resistant bracket secured to the shell about the periphery of the opening. A loudspeaker mounting board or baffle is secured to the shock resistant bracket through a rigid frame thereby closing the shell opening.