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| Number | Title | Issue Date |
| 8054651 | Simple and effective self regulating inductive power transfer system An inductive power transfer system for coupling a power source to a load across an air gap is provided, including a primary unit and a secondary unit separable from the primary unit and arranged to receive power inductively from the primary unit when placed proximat... | 11/08/2011 |
| 7792431 | Detection of an electromagnetic signal A signal detector system (10) comprises a single signal detector (11) having a limited on-time during which any received electromagnetic signal can be assessed. The signal detector (11) receives electromagnetic signals from a single direction in... | 09/07/2010 |
| 7537181 | Guidance system There is provided a guidance system for allowing an air vehicle to guide a moving object, comprising a Synthetic Aperture Radar located on the air vehicle, and a means of communication for allowing the air vehicle to communicate with the moving object, wherein the S... | 05/26/2009 |
| 7428036 | Liquid crystal switchable coupler for coupling at least two unpolarized light inputs A switchable coupler (10) has a first waveguide (15) defining an inlet port (31) for a first unpolarized light input (A) and a first outlet port (32), and also a second waveguide (16) defining an inlet port (41) for a second... | 09/23/2008 |
| 7392963 | Supersonic flight vehicle A supersonic guided weapon has radiation sensitive apparatus carried behind a radiation transparent window the window being formed within an open recess in the weapon nose, the recess being such that at supersonic speeds it forms shock waves which trap air within th... | 07/01/2008 |
| 7369721 | Optical imaging system with optical delay lines An electromagnetic signal processing system (10) comprises a plurality of optical fiber arrays (11, 12, 13, 14, 15 and 16) each having a cluster of optical fibers with their one ends (40) oriented to receive electromagnetic radiation from... | 05/06/2008 |
| 7292750 | Signal processing system A signal processing system (10) has a plurality of optical fibers (40, 42, 43) with their one ends (40) mounted in an array board (41) to receive electromagnetic radiation. A coupler (54) interconnects the other ends of the optical... | 11/06/2007 |
| 7231120 | Tapered optical fibre with a reflective coating at the tapered end An optical fibre core (39) having a reflective coating (33) along a first part of its length such that electromagnetic radiation may travel along the first part of the optical fibre by means of reflection, and further having a cladding (37) alon... | 06/12/2007 |
