JPS53142825A - Keyboard display system - Google Patents

Keyboard display system

Info

Publication number
JPS53142825A
JPS53142825A JP5748177A JP5748177A JPS53142825A JP S53142825 A JPS53142825 A JP S53142825A JP 5748177 A JP5748177 A JP 5748177A JP 5748177 A JP5748177 A JP 5748177A JP S53142825 A JPS53142825 A JP S53142825A
Authority
JP
Japan
Prior art keywords
display system
keyboard display
loads
switch
driving
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
JP5748177A
Other languages
Japanese (ja)
Other versions
JPS5624293B2 (en
Inventor
Tatsuro Konuma
Mitsuyasu Miyatsu
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP5748177A priority Critical patent/JPS53142825A/en
Publication of JPS53142825A publication Critical patent/JPS53142825A/en
Publication of JPS5624293B2 publication Critical patent/JPS5624293B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To reduce the number of driving loads for specific loads, by stopping the scanning operation for a given time when the output of a shift register corresponds to the switch ON signal, and by illuminating the lamp of switch corresponding to the counter with the driving circuit of display matrix.
COPYRIGHT: (C)1978,JPO&Japio
JP5748177A 1977-05-18 1977-05-18 Keyboard display system Granted JPS53142825A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5748177A JPS53142825A (en) 1977-05-18 1977-05-18 Keyboard display system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5748177A JPS53142825A (en) 1977-05-18 1977-05-18 Keyboard display system

Publications (2)

Publication Number Publication Date
JPS53142825A true JPS53142825A (en) 1978-12-12
JPS5624293B2 JPS5624293B2 (en) 1981-06-05

Family

ID=13056896

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5748177A Granted JPS53142825A (en) 1977-05-18 1977-05-18 Keyboard display system

Country Status (1)

Country Link
JP (1) JPS53142825A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS585830A (en) * 1981-07-03 1983-01-13 Brother Ind Ltd Keyboard input device
JPS60174947U (en) * 1984-04-27 1985-11-20 株式会社ノーリツ input/output control device
WO1988006316A1 (en) * 1987-02-14 1988-08-25 Fanuc Ltd Power supply circuit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4941026A (en) * 1972-08-26 1974-04-17
JPS4955226A (en) * 1972-09-28 1974-05-29
JPS50128958A (en) * 1974-03-29 1975-10-11
JPS5222829A (en) * 1975-08-15 1977-02-21 Hitachi Ltd Method to identify the contact
JPS53105937U (en) * 1977-01-31 1978-08-25

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4941026A (en) * 1972-08-26 1974-04-17
JPS4955226A (en) * 1972-09-28 1974-05-29
JPS50128958A (en) * 1974-03-29 1975-10-11
JPS5222829A (en) * 1975-08-15 1977-02-21 Hitachi Ltd Method to identify the contact
JPS53105937U (en) * 1977-01-31 1978-08-25

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS585830A (en) * 1981-07-03 1983-01-13 Brother Ind Ltd Keyboard input device
JPS60174947U (en) * 1984-04-27 1985-11-20 株式会社ノーリツ input/output control device
WO1988006316A1 (en) * 1987-02-14 1988-08-25 Fanuc Ltd Power supply circuit
US5006728A (en) * 1987-02-14 1991-04-09 Fanuc Ltd. Dual path power supply circuit with time controlled switching

Also Published As

Publication number Publication date
JPS5624293B2 (en) 1981-06-05

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