Portable powered speaker

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

Reexamination Certificate

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Details

C381S383000, C381S345000, C381S351000, C381S300000

Reexamination Certificate

active

10909979

ABSTRACT:
A portable speaker system includes a telescoping enclosure containing at least two drivers. The telescoping enclosure includes an inner section nested within an outer section. Each of the inner section and the outer section includes at least one speaker driver. The telescoping enclosure is configurable in at least two positions, a retracted or collapsed position and an extended position. By extending the telescoping enclosure, greater channel separation and greater internal volume for the enclosure is achieved.

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patent: 5450495 (1995-09-01), Goldfarb
patent: 5664020 (1997-09-01), Goldfarb et al.
patent: 5864100 (1999-01-01), Newman
patent: 5883966 (1999-03-01), Kubo
patent: 5979591 (1999-11-01), Harrison
patent: 6079515 (2000-06-01), Newman
patent: 6176346 (2001-01-01), Wiener
patent: 6206999 (2001-03-01), Ritto et al.
patent: 6292573 (2001-09-01), Zurek et al.
patent: 6367579 (2002-04-01), Wiener

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