MEASURING SYSTEM FOR DIAL TONE DELAY TIME

Title:

MEASURING SYSTEM FOR DIAL TONE DELAY TIME

Document Type and Number:

Japanese Patent JPS53142109

Kind Code:

A

Abstract:

PURPOSE: To reduce the memory area of the main memory for the delay time measuriement of the dial tone by installing the memory part which can be used in common by the subscribers within the main memory.

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Inventors:

KATAJIMA KIYOOMI
INOUE SATOSHI

Application Number:

JP5737577A

Publication Date:

December 11, 1978

Filing Date:

May 17, 1977

Export Citation:

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Assignee:

NIPPON ELECTRIC CO

International Classes:

H04M3/36; (IPC1-7): H04M3/36

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