JPS4944408A - - Google Patents
Info
- Publication number
- JPS4944408A JPS4944408A JP47088689A JP8868972A JPS4944408A JP S4944408 A JPS4944408 A JP S4944408A JP 47088689 A JP47088689 A JP 47088689A JP 8868972 A JP8868972 A JP 8868972A JP S4944408 A JPS4944408 A JP S4944408A
- 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.)
- Pending
Links
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47088689A JPS4944408A (en) | 1972-09-06 | 1972-09-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47088689A JPS4944408A (en) | 1972-09-06 | 1972-09-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4944408A true JPS4944408A (en) | 1974-04-26 |
Family
ID=13949792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP47088689A Pending JPS4944408A (en) | 1972-09-06 | 1972-09-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4944408A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5197104A (en) * | 1975-02-19 | 1976-08-26 | Kidochunyusono chunyuzairyo | |
JPS5773783A (en) * | 1980-10-23 | 1982-05-08 | Agurikaruchiyuraru Ebieeshiyon | Device for converting sound into visual display |
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1972
- 1972-09-06 JP JP47088689A patent/JPS4944408A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5197104A (en) * | 1975-02-19 | 1976-08-26 | Kidochunyusono chunyuzairyo | |
JPS5829363B2 (en) * | 1975-02-19 | 1983-06-22 | 日本国有鉄道 | How can I help you? |
JPS5773783A (en) * | 1980-10-23 | 1982-05-08 | Agurikaruchiyuraru Ebieeshiyon | Device for converting sound into visual display |