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:
Mar. 10, 1998
Filed:
May. 02, 1997
Applicant:
Inventor:
Motoki Ide, Tokyo, JP;
Assignee:
NEC Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ; G06F / ; H04B / ; G08B / ;
U.S. Cl.
CPC ...
34082522 ; 34082544 ; 34082547 ; 395430 ; 395575 ; 364200 ;
Abstract
A selective calling receiver operated by causing a processor to execute a prestored program includes a non-writable mask ROM prestoring the program, a patch register for storing a patch address, a programmable patch memory for storing a patch program, a comparator for detecting a coincidence between a value of the patch register and an instruction code fetch address, and a patch control circuit for controlling the microprocessor so as to execute the patch program in the patch memory.