Wireless 900 MHz broadcast link

Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

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.

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

Wireless 900 MHz broadcast link does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Wireless 900 MHz broadcast link, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wireless 900 MHz broadcast link will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3701918

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