Headphoning

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

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.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

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.

Rate now

     

Profile ID: LFUS-PAI-O-2634415

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.