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:
Nov. 16, 1999
Filed:
Sep. 30, 1997
Applicant:
Inventors:
Jon B Newman, Centerville, UT (US);
William P Baker, Salt Lake City, UT (US);
Assignee:
Iomega Corporation, Roy, UT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J / ;
U.S. Cl.
CPC ...
307 38 ; 307 40 ; 307 85 ; 307141 ;
Abstract
An apparatus for preventing peripherals from back powering a host computer is disclosed. The apparatus use a timer and associated logic circuitry to determine the time period between signals being sent to the host computer from the peripheral device. Under predetermined time-out conditions, the current output by the peripheral is disabled to prevent the peripheral from back powering a main computer.