EP 1282947 A2 20030212 - OPTICAL FREE SPACE SIGNALLING SYSTEM
Title (en)
OPTICAL FREE SPACE SIGNALLING SYSTEM
Title (de)
FREIRAUM-OPTISCHES SIGNALISIERUNGSSYSTEM
Title (fr)
SYSTEME DE SIGNALISATION
Publication
Application
Priority
- GB 0002668 W 20000710
- GB 9916080 A 19990708
- GB 9916422 A 19990713
Abstract (en)
[origin: WO0105069A2] A signalling system is provided which employs one or more arrays of communication elements together with an additional optical element for increasing the apparent packing density of the elements in the arrays. In one embodiment, this is achieved by using a microlens array matched with the array of communication elements. In another embodiment two arrays are provided which are optically combined with a beamsplitter. In a third embodiment, two optical systems are provided which are offset in angle from each other so that there is a different mapping between position in the array and position within the field of view.
IPC 1-7
IPC 8 full level
H04N 7/22 (2006.01); H04B 10/112 (2013.01); H04B 10/114 (2013.01); H04B 10/2587 (2013.01)
CPC (source: EP)
H04B 10/1123 (2013.01); H04B 10/1125 (2013.01); H04B 10/1149 (2013.01); H04B 10/2587 (2013.01)
Citation (search report)
See references of WO 0105069A2
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 0105069 A2 20010118; WO 0105069 A3 20021114; AU 6166800 A 20010130; CA 2378410 A1 20010118; EP 1282947 A2 20030212; JP 2003523108 A 20030729
DOCDB simple family (application)
GB 0002668 W 20000710; AU 6166800 A 20000710; CA 2378410 A 20000710; EP 00948094 A 20000710; JP 2001509184 A 20000710