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. 17, 1978
Filed:
Feb. 02, 1978
Applicant:
Inventor:
Alexis C Renirie, Dieren, NL;
Assignee:
Vitatron Medical B.V., Dieren, NL;
Primary Examiner:
Int. Cl.
CPC ...
A61N / ;
U.S. Cl.
CPC ...
1284 / ; 1284 / ;
Abstract
A cardiac pacer for providing stimulus signals for pacing a human heart, adapted to utilize a lithium-type battery source having an internal resistance which increases with the energy depletion of such source, and having an interface circuit adapted to transfer power from the lithium-type battery source to the circuitry for providing stimulus signals, which interface circuit provides transfer characteristics which are a programmed function of said lithium source internal resistance.