Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Reexamination Certificate
2011-06-28
2011-06-28
Ensey, Brian (Department: 2614)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Plural or compound reproducers
C381S378000
Reexamination Certificate
active
07970159
ABSTRACT:
A noise reducing headset has one or more of the following features: (a) pair of earcups each seated in a yoke assembly mechanically coupled by a headband enclosing a flat spring formed with a slot that runs the length of the spring accommodating electrical wires electrically interconnecting electrical elements in the earcups, (b) each earcup having active noise reducing circuitry, (c) each earcup including a loudspeaker driver located off center in the earcup to allow an internal cavity inside each earcup to accommodate a loudspeaker driver, a microphone and an electronic printed circuit board and one of a battery and plug assembly, (d) one of the earcups accommodating a detachably secured plug assembly having a sensitivity switch covered by the earcup when the plug assembly is fully seated in the earcup, (e) the other earcup having a battery door that may be opened to allow insertion and removal of the battery and covered by a yoke assembly when the headset is worn by a user with the battery fully seated in the earcup.
REFERENCES:
patent: 3902120 (1975-08-01), Dascal et al.
patent: 4455675 (1984-06-01), Bose et al.
patent: 4499593 (1985-02-01), Antle et al.
patent: 4644581 (1987-02-01), Sapiejewski
patent: 4922542 (1990-05-01), Sapiejewski
patent: 4989271 (1991-02-01), Sapiejewski et al.
patent: 5134659 (1992-07-01), Moseley
patent: 5181252 (1993-01-01), Sapiejewski et al.
patent: 5208868 (1993-05-01), Sapiejewski
patent: 5305387 (1994-04-01), Sapiejewski
patent: 5675658 (1997-10-01), Brittain et al.
patent: 6236732 (2001-05-01), Griffith
patent: 6597792 (2003-07-01), Sapiejewski et al.
patent: 7215766 (2007-05-01), Wurtz
patent: 0 895 439 (1999-02-01), None
patent: WO 02/080504 (2002-10-01), None
EP Search Report in corresponding Application No. 05100954.6, dated Oct. 17, 2006.
Kleinschmidt David
Pavlotsky Leonid
Sapiejewski Roman
Bose Corporation
Ensey Brian
LandOfFree
Headphoning does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Headphoning, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Headphoning will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2634415