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. 21, 1991
Filed:
Mar. 23, 1990
Applicant:
Inventor:
Arthur F Hogrefe, Laurel, MD (US);
Assignee:
The Johns Hopkins University, Baltimore, MD (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61N / ;
U.S. Cl.
CPC ...
1284 / ; 128642 ;
Abstract
The present invention is a universal interface allowing a main implant to supply power and receive data from remotely implanted sensor modules through a minimum number of interconnecting lines. The main module can supply a single DC voltage, two sequentially applied DC voltages or an AC voltage to the sensor module. A capacitor means in the sensor module supplies power while the sensor module is transmitting data.