JPS52149435A - Code formation processing system - Google Patents

Code formation processing system

Info

Publication number
JPS52149435A
JPS52149435A JP6680976A JP6680976A JPS52149435A JP S52149435 A JPS52149435 A JP S52149435A JP 6680976 A JP6680976 A JP 6680976A JP 6680976 A JP6680976 A JP 6680976A JP S52149435 A JPS52149435 A JP S52149435A
Authority
JP
Japan
Prior art keywords
processing system
formation processing
code formation
code
thru
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.)
Granted
Application number
JP6680976A
Other languages
Japanese (ja)
Other versions
JPS5438017B2 (en
Inventor
Ichizo Nakano
Junzo Okunaka
Koichi Sato
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP6680976A priority Critical patent/JPS52149435A/en
Publication of JPS52149435A publication Critical patent/JPS52149435A/en
Publication of JPS5438017B2 publication Critical patent/JPS5438017B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE: To enable the usage of conventional ROM's and to increase the economy, by reducing the number of the N signals selected by M from the key switch section to the number of address inputs of the read only memories (M/2 < J < M), thru a simple operational circuit.
COPYRIGHT: (C)1977,JPO&Japio
JP6680976A 1976-06-08 1976-06-08 Code formation processing system Granted JPS52149435A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6680976A JPS52149435A (en) 1976-06-08 1976-06-08 Code formation processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6680976A JPS52149435A (en) 1976-06-08 1976-06-08 Code formation processing system

Publications (2)

Publication Number Publication Date
JPS52149435A true JPS52149435A (en) 1977-12-12
JPS5438017B2 JPS5438017B2 (en) 1979-11-19

Family

ID=13326548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6680976A Granted JPS52149435A (en) 1976-06-08 1976-06-08 Code formation processing system

Country Status (1)

Country Link
JP (1) JPS52149435A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5674375U (en) * 1979-11-12 1981-06-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5674375U (en) * 1979-11-12 1981-06-18

Also Published As

Publication number Publication date
JPS5438017B2 (en) 1979-11-19

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