JPS50122652A - - Google Patents
Info
- Publication number
- JPS50122652A JPS50122652A JP2981274A JP2981274A JPS50122652A JP S50122652 A JPS50122652 A JP S50122652A JP 2981274 A JP2981274 A JP 2981274A JP 2981274 A JP2981274 A JP 2981274A JP S50122652 A JPS50122652 A JP S50122652A
- Authority
- JP
- Japan
- 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
Links
Landscapes
- Locating Faults (AREA)
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2981274A JPS5737829B2 (https=) | 1974-03-15 | 1974-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2981274A JPS5737829B2 (https=) | 1974-03-15 | 1974-03-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50122652A true JPS50122652A (https=) | 1975-09-26 |
| JPS5737829B2 JPS5737829B2 (https=) | 1982-08-12 |
Family
ID=12286420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2981274A Expired JPS5737829B2 (https=) | 1974-03-15 | 1974-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5737829B2 (https=) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5211026A (en) * | 1975-07-16 | 1977-01-27 | Nippon Gakki Seizo Kk | Optical detection system of depressed keys |
-
1974
- 1974-03-15 JP JP2981274A patent/JPS5737829B2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5211026A (en) * | 1975-07-16 | 1977-01-27 | Nippon Gakki Seizo Kk | Optical detection system of depressed keys |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5737829B2 (https=) | 1982-08-12 |