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:
Apr. 06, 1999
Filed:
Sep. 23, 1997
Applicant:
Inventors:
Neil McLellan, Garland, TX (US);
Mark A Gerber, Plano, TX (US);
Michael K Strittmatter, Carrollton, TX (US);
Joseph P Hundt, Corinth, TX (US);
Assignee:
Dallas Semiconductor, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
307150 ; 361679 ; 365226 ; 365229 ; 257678 ; 257704 ;
Abstract
The power cap includes a power supply positioned between a cover and a base. The cover is provided with clips to permit the attachment and detachment of the cover to the power supply and the base. The base is provided with surface mounted NRTC or NVSRAM chips and electrical contacts. The power supply is provided with a crystal oscillator and a battery for controlling the operation of the NRTC or NVSRAM chips, and spring contacts for maintaining the electrical connection between the base and the power supply.