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:
May. 19, 1998
Filed:
Jan. 06, 1997
Mahmoud Farhadiroushan, London, GB;
Sensor Dynamics Limited, Hamspire, GB;
Abstract
Apparatus comprising a source (1) of electromagnetic radiation; a sensing network (5) which comprises a plurality of sensing interferometers (10) each of which includes a wavelength filter for selecting a band of wavelengths (11) of electromagnetic radiation provided by the source (1) and is suitable for converting the magnitude of one or more physical parameters to a change in a sensor optical path length delay; a reference interferometer (7) for selecting a reference optical path delay; a wavelength selection device (8) for selecting one or more of the band of wavelengths (11) filtered by one or more of the sensing interferometers (10); and a detector (9) for converting the electromagnetic radiation selected by the wavelength selection device (8) to an electrical signal.