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:
Jun. 20, 1989
Filed:
Sep. 21, 1988
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
379355 ; 36518905 ;
Abstract
The memory device memorizes a number corresponding to a plurality of digits, for example, a unit phone number using a first memory array. A desired number is obtained by selecting a Y address. A readout operation is executed by inputting whole data selected by a Y address to a second memory array at once and outputting data sequentially from the second memory array by one digit. A write operation is executed by inputting data sequentially to the second memory array by one digit and outputting data from the second memory array to the first memory array at once.