JPS533733A - Test unit of keyboard encoder - Google Patents

Test unit of keyboard encoder

Info

Publication number
JPS533733A
JPS533733A JP7867876A JP7867876A JPS533733A JP S533733 A JPS533733 A JP S533733A JP 7867876 A JP7867876 A JP 7867876A JP 7867876 A JP7867876 A JP 7867876A JP S533733 A JPS533733 A JP S533733A
Authority
JP
Japan
Prior art keywords
test unit
keyboard encoder
encoder
keyboard
exeucted
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
JP7867876A
Other languages
Japanese (ja)
Inventor
Atsushi Sakamoto
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 JP7867876A priority Critical patent/JPS533733A/en
Publication of JPS533733A publication Critical patent/JPS533733A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: Two tw-way multiplexers loop-connect selectively between two input terminals of the keyboard encoder, so that the function test can be exeucted undre the same state as the key depressed.
COPYRIGHT: (C)1978,JPO&Japio
JP7867876A 1976-07-01 1976-07-01 Test unit of keyboard encoder Pending JPS533733A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7867876A JPS533733A (en) 1976-07-01 1976-07-01 Test unit of keyboard encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7867876A JPS533733A (en) 1976-07-01 1976-07-01 Test unit of keyboard encoder

Publications (1)

Publication Number Publication Date
JPS533733A true JPS533733A (en) 1978-01-13

Family

ID=13668521

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7867876A Pending JPS533733A (en) 1976-07-01 1976-07-01 Test unit of keyboard encoder

Country Status (1)

Country Link
JP (1) JPS533733A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58176737A (en) * 1982-04-08 1983-10-17 Usac Electronics Ind Co Ltd Keyboard test device
CN1044958C (en) * 1990-12-31 1999-09-01 汤姆森消费电子有限公司 Microprocessor controlled digital AFT unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58176737A (en) * 1982-04-08 1983-10-17 Usac Electronics Ind Co Ltd Keyboard test device
CN1044958C (en) * 1990-12-31 1999-09-01 汤姆森消费电子有限公司 Microprocessor controlled digital AFT unit

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