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:
Jul. 04, 1989

Filed:

Jul. 07, 1987
Applicant:
Inventors:

Takao Kurihara, Tokyo, JP;

Masahiro Hamatsu, Tokyo, JP;

Assignee:

Clarion Co., Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J / ; H03K / ;
U.S. Cl.
CPC ...
377 33 ; 377 26 ; 370 18 ;
Abstract

A control circuit such as a microcomputer sets only the starting address of the memory in which initial information for generating a maximum length recurring sequence is stored and the number of chips of the maximum length recurring sequence and the initial information for generating a maximum length recurring sequence is set from the memory in the maximum length recurring sequence generator by a hardware. The hardware for accessing the memory is constructed by a counter working with a high speed clock. The number of chips of the maximum length recurring sequence set by the external control circuit is counted by a counter working with a high speed clock.


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