KR890009325U - Computer peripheral input / output port switching circuit - Google Patents
Computer peripheral input / output port switching circuitInfo
- Publication number
- KR890009325U KR890009325U KR2019870018065U KR870018065U KR890009325U KR 890009325 U KR890009325 U KR 890009325U KR 2019870018065 U KR2019870018065 U KR 2019870018065U KR 870018065 U KR870018065 U KR 870018065U KR 890009325 U KR890009325 U KR 890009325U
- Authority
- KR
- South Korea
- Prior art keywords
- output port
- switching circuit
- computer peripheral
- port switching
- peripheral input
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870018065U KR900008959Y1 (en) | 1987-10-23 | 1987-10-23 | Input/output port transfer circuit for computer peripheral apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870018065U KR900008959Y1 (en) | 1987-10-23 | 1987-10-23 | Input/output port transfer circuit for computer peripheral apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890009325U true KR890009325U (en) | 1989-05-30 |
KR900008959Y1 KR900008959Y1 (en) | 1990-09-29 |
Family
ID=19268831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019870018065U KR900008959Y1 (en) | 1987-10-23 | 1987-10-23 | Input/output port transfer circuit for computer peripheral apparatus |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900008959Y1 (en) |
-
1987
- 1987-10-23 KR KR2019870018065U patent/KR900008959Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900008959Y1 (en) | 1990-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 20010830 Year of fee payment: 12 |
|
LAPS | Lapse due to unpaid annual fee |