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:
Jun. 06, 1978
Filed:
Mar. 21, 1977
Albert Lewis Fowler, Kirkcaldry, SC;
David Martin Walker, Freuchie, SC;
Alastair Kershaw Stevenson, Glenrothes, SC;
Alan Graham Henderson, Markinch, SC;
Hughes Microelectronics Limited, Glenrothes, SC;
Abstract
A transducer responsive to a plurality of different parameters includes a plurality of sensing devices responsive to the parameters and arranged to combine two signals in relative proportions dependent upon the value of the parameter concerned. The two signals have the same frequency characteristic and are switched cyclically between different relative phases; typically the signals are switched between an in phase condition and a quadra-phase condition. A processing circuit is provided which compares the output of the different parameter sensing devices when the signals are in phase and in phase quadrature so as to derive output signals indicative of the values of the different parameters which are free of phase errors that would otherwise impair the output signals.