Light communication system and illumination apparatus therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 16, 2009
Grant Date -
Mar 2, 2006
app pub date -
Aug 26, 2005
filing date -
Sep 1, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An illumination apparatus is used in the light communication system. The apparatus receives electricity from a commercial alternating-current power source and a light-emitting element in the apparatus emits light. The zero passage time of commercial alternating-current power source is detected and signals are transmitted from illumination apparatus, or intercommunications between terminals of communication equipment take place, during a specific reserved time that is in synchronization with this zero passage time.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully