Electrical audio signal processing systems and devices – Headphone circuits
Reexamination Certificate
2008-01-15
2008-01-15
Chin, Vivian (Department: 2615)
Electrical audio signal processing systems and devices
Headphone circuits
C381S077000, C381S370000, C381S067000, C340S815460
Reexamination Certificate
active
11482351
ABSTRACT:
A headphone system is provided with two earbud headphones and a control module, each fitted with a plurality of light emitting diodes (LEDs). The LEDs may be of many different colors and flash to the beat of the music. Patterns, colors, and intensity may be adjusted based on a user's preferences. The intensity, frequency, and light patterns of the LEDs may change when a threshold level is reached.
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www.ipodhacks. com/article.php?sid=1485.
http://www.petersofkensington.com.au/Product/ProductInfo.aspx?id=1601881&cid=557 (one page advertisement for iPod-iDog, release date was Dec. 2006).
http://www.zapwizard.com/MediaPC/IR—Headphone/Headset/Index.html (11 pages of regarding headphones; release date unknown).
http://www.everythingusb.com/digital—age—walk-free—wireless—headphones.html (4 pages regarding headphones; release date estimated at Oct. 2005).
http://downloads.nokiausa.com/userguides/HS3W.PDF (Nokia 2003) (16 pages regarding headset; copyright date of the user's guide is 2003).
http://www.sharperimage.com/us/en/catalog/product/sku—DA111BLU?cm—ven=adwords&cm—cat=Media&cm—pla=audio&cm—ite=ibeat (3 pages regarding advertisement for iBeat product and product manual; copyright date of product manual is 2005).
http://www.sharperimage.com/us/en/catalog/product/sku—SI222RED (6 pages regarding advertisement for iPulse Bear Speaker System and product manual; copyright date of product manual is 2006).
http://www.sharperimage.com/us/en/catalog/product/sku—SI345WHT (9 pages regarding advertisement for iPulse Stereo and product manual; copyright date of product manual is 2006).
Andrea Douglas J.
Liu Qunsheng
Andrea Electronics Corporation
Chin Vivian
Faulk Devona E.
Frommer & Lawrence & Haug LLP
Kowalski Thomas J.
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