Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2005-03-29
2005-03-29
Maung, Nay (Department: 2684)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S575100, C455S090200, 57
Reexamination Certificate
active
06873862
ABSTRACT:
An apparatus comprising a pair of headphones which have selective port connections formed in their housings allowing connection with an auxiliary audio appliances such as an AM/FM radio, CD player, cassette players, MP3 player as well as a cellular telephone. The apparatus specifically has one port for connection to a cellular telephone which is connected to a switching circuit which when activated by the occurrence a telephonic connection interrupts the audio from the auxiliary audio appliance.
REFERENCES:
patent: 4499593 (1985-02-01), Antle
patent: 5247705 (1993-09-01), Attig et al.
patent: 5862235 (1999-01-01), Kowalczyk
patent: 5978689 (1999-11-01), Tuoriniemi et al.
patent: 6304764 (2001-10-01), Pan
patent: 6606506 (2003-08-01), Jones
patent: 20020094845 (2002-07-01), Inasaka
Aminzay Shaima Q
Gipple & Hale
Hale John S.
Maung Nay
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