JPS533733A - Test unit of keyboard encoder - Google Patents
Test unit of keyboard encoderInfo
- 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
Links
Landscapes
- Input From Keyboards Or The Like (AREA)
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
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)
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 |
-
1976
- 1976-07-01 JP JP7867876A patent/JPS533733A/en active Pending
Cited By (2)
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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