The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 16, 2007
Filed:
Oct. 24, 2003
Dario Calogero Castiglione, Reading, GB;
Luisa Deias, Cagliari, IT;
Inigo Ederra-urzainqui, Isaba, ES;
David Brian Haskett, Limerick, IE;
Derek Jenkins, Wantage, GB;
Alexandre Vincent Samuel Bernard Laisne, Vains, FR;
Alec John Mccalden, Farncombe, GB;
James Peter O'neil, Sheffield, GB;
Jorge Teniente-vallinas, Lodosa, ES;
Frank Van DE Water, Waalre, NL;
Alfred A. Zinn, Seeheim-Jugenheim, DE;
Peter DE Maagt, Katwijk, NL;
Chris Mann, St Mawgan, GB;
Dario Calogero Castiglione, Reading, GB;
Luisa Deias, Cagliari, IT;
Inigo Ederra-Urzainqui, Isaba, ES;
David Brian Haskett, Limerick, IE;
Derek Jenkins, Wantage, GB;
Alexandre Vincent Samuel Bernard Laisne, Vains, FR;
Alec John McCalden, Farncombe, GB;
James Peter O'Neil, Sheffield, GB;
Jorge Teniente-Vallinas, Lodosa, ES;
Frank Van De Water, Waalre, NL;
Alfred A. Zinn, Seeheim-Jugenheim, DE;
Peter De Maagt, Katwijk, NL;
Chris Mann, St Mawgan, GB;
Agence Spatiale Europeenne, Paris, FR;
Abstract
The invention relates to a tuneable phase shifter and/or attenuator comprising a waveguide having a channel and a piece of photo-responsive material () disposed within the waveguide along an internal wall of said channel, a light source disposed outside the waveguide to emit light through an aperture () of said internal wall to impinge on at least part of an outside surface of said piece of photo-responsive material ().