JPS5343265A - Coding and decoding system in time division telephone exchange - Google Patents

Coding and decoding system in time division telephone exchange

Info

Publication number
JPS5343265A
JPS5343265A JP11714776A JP11714776A JPS5343265A JP S5343265 A JPS5343265 A JP S5343265A JP 11714776 A JP11714776 A JP 11714776A JP 11714776 A JP11714776 A JP 11714776A JP S5343265 A JPS5343265 A JP S5343265A
Authority
JP
Japan
Prior art keywords
coding
time division
decoding system
telephone exchange
division telephone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP11714776A
Other languages
Japanese (ja)
Inventor
Kozo Kamata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP11714776A priority Critical patent/JPS5343265A/en
Publication of JPS5343265A publication Critical patent/JPS5343265A/en
Pending legal-status Critical Current

Links

Landscapes

  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)

Abstract

PURPOSE: To reduce the required number of high quality coding and decoding circuits by establishing the high quality and low quality coding and decoding circuits and selectively using them.
COPYRIGHT: (C)1978,JPO&Japio
JP11714776A 1976-10-01 1976-10-01 Coding and decoding system in time division telephone exchange Pending JPS5343265A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11714776A JPS5343265A (en) 1976-10-01 1976-10-01 Coding and decoding system in time division telephone exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11714776A JPS5343265A (en) 1976-10-01 1976-10-01 Coding and decoding system in time division telephone exchange

Publications (1)

Publication Number Publication Date
JPS5343265A true JPS5343265A (en) 1978-04-19

Family

ID=14704616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11714776A Pending JPS5343265A (en) 1976-10-01 1976-10-01 Coding and decoding system in time division telephone exchange

Country Status (1)

Country Link
JP (1) JPS5343265A (en)

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