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.

Date of Patent:
Apr. 18, 1989

Filed:

Jun. 25, 1986
Applicant:
Inventor:

Masayuki Higuchi, Ueno, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ; H02J / ;
U.S. Cl.
CPC ...
365228 ; 365229 ;
Abstract

An electronic apparatus comprises a random access memory, a central processing unit which supplies a write/read signal to the random access memory to control the input/output of data of the random access memory, a replaceable power source for feeding the central processing unit, and a switch for isolating the random access memory from the write or read signal output from the central processing unit when the power source is replaced.


Find Patent Forward Citations

Higuchi, Masayuki. (1989). Electronic apparatus with replaceable power source (U.S. Patent No. 4823323). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4823323

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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