JPS5418173B2 - - Google Patents
Info
- Publication number
- JPS5418173B2 JPS5418173B2 JP2837172A JP2837172A JPS5418173B2 JP S5418173 B2 JPS5418173 B2 JP S5418173B2 JP 2837172 A JP2837172 A JP 2837172A JP 2837172 A JP2837172 A JP 2837172A JP S5418173 B2 JPS5418173 B2 JP S5418173B2
- 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.)
- Expired
Links
Landscapes
- Measurement Of Unknown Time Intervals (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2837172A JPS5418173B2 (en:Method) | 1972-03-21 | 1972-03-21 | |
| US342376A US3890463A (en) | 1972-03-15 | 1973-03-19 | System for use in the supervision of a motor-boat race or a similar timed event |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2837172A JPS5418173B2 (en:Method) | 1972-03-21 | 1972-03-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4897632A JPS4897632A (en:Method) | 1973-12-12 |
| JPS5418173B2 true JPS5418173B2 (en:Method) | 1979-07-05 |
Family
ID=12246753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2837172A Expired JPS5418173B2 (en:Method) | 1972-03-15 | 1972-03-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5418173B2 (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59173787A (ja) * | 1983-03-23 | 1984-10-01 | Sogo Bosai Kk | マラソン競技における実走行時間測定方式 |
| JPS59196493A (ja) * | 1983-04-23 | 1984-11-07 | Sogo Bosai Kk | マラソン競技における実走行時間測定方式 |
-
1972
- 1972-03-21 JP JP2837172A patent/JPS5418173B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4897632A (en:Method) | 1973-12-12 |