Title:
SYSTEM AND METHOD FOR PROTECTING TRANSMISSIONS OF WIRELESS MICROPHONES OPERATING IN TELEVISION BAND WHITE SPACE
Document Type and Number:
WIPO Patent Application WO/2011/153638
Kind Code:
A3
Abstract:
A wireless microphone system broadcasts a pilot tone at the designated ATSC pilot position in the TV Band channel being used by the wireless microphone system. The pilot tone is a readily detectable waveform transmitted in the ATSC pilot position. The pilot tone can be generated by any one of: a standalone pilot tone generator; a pilot tone generator incorporated into a wireless microphone receiver; or, a pilot tone generator incorporated into a wireless microphone.
Inventors:
WU SHIQUAN (CA)
SAMARASOORIYA VAJIRA (CA)
SAMARASOORIYA VAJIRA (CA)
Application Number:
PCT/CA2011/050274
Publication Date:
February 02, 2012
Filing Date:
May 05, 2011
Export Citation:
Assignee:
WI LAN INC (CA)
WU SHIQUAN (CA)
SAMARASOORIYA VAJIRA (CA)
WU SHIQUAN (CA)
SAMARASOORIYA VAJIRA (CA)
International Classes:
H04R29/00; H04N17/00
Domestic Patent References:
| WO2011036223A1 | 2011-03-31 |
Foreign References:
| US20110043710A1 | 2011-02-24 | |||
| US20100189273A1 | 2010-07-29 | |||
| US6944241B1 | 2005-09-13 |
Other References:
See also references of EP 2569957A4
Attorney, Agent or Firm:
BRION RAFFOUL (2515 Bank StreetOttawa, Ontario K1V 0W8, CA)
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