Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement
Reexamination Certificate
2006-08-22
2006-08-22
Chin, Vivian (Department: 2644)
Electrical audio signal processing systems and devices
Binaural and stereophonic
Stereo speaker arrangement
C381S077000, C455S042000, C455S555000, C455S315000
Reexamination Certificate
active
07095866
ABSTRACT:
A high frequency signal transmission apparatus includes a transmitter for transmitting received signals from a signal source as a modulated signal on a high frequency 900 MHz carrier to a remote receiver. The remote receiver converts the high frequency carrier in at least one conversion step to a lower frequency carrier signal. The lower frequency carrier signal carrying the modulated signal is then converted to an audio output or to another carrier signal and retransmitted as a modulated second signal to another remote receiver capable of demodulating the signal and broadcasting the audio sounds or video images. The oscillators in the transmitter and receiver are selectable to operate at discrete frequencies. Automatic fine tuning control is provided in the receiver to accommodate drift of the oscillator in the receiver.
REFERENCES:
patent: 5272525 (1993-12-01), Borchardt et al.
patent: 5299264 (1994-03-01), Schotz et al.
patent: 5319716 (1994-06-01), McGreevy
patent: 5349386 (1994-09-01), Borchardt et al.
patent: 5410735 (1995-04-01), Borchardt et al.
patent: 5477539 (1995-12-01), Brown
patent: 5491839 (1996-02-01), Schotz
patent: 5581617 (1996-12-01), Schotz et al.
patent: 5619582 (1997-04-01), Oltman et al.
patent: 5666658 (1997-09-01), Borchardt et al.
patent: 5768696 (1998-06-01), Law
patent: 6067039 (2000-05-01), Pyner et al.
patent: 6137995 (2000-10-01), Durec et al.
patent: 6215981 (2001-04-01), Borchardt et al.
patent: 6256303 (2001-07-01), Drakoulis et al.
patent: 6922555 (2005-07-01), Mohindra
patent: 2003/0005138 (2003-01-01), Giffin et al.
Drakoulis Niko
Pace Ronald G.
Pedigo Michael K.
Phillips Russell A.
Akoo, Inc.
Chin Vivian
Faulk Devona E
Young & Basile P.C.
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