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| 振幅 (shinpuku) | |||
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| パルスの大きさ | |||
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ampiezza : 42 phrases in 15 subjects |
| Antennas and waveguides | 1 |
| Automatic control | 2 |
| Electric motors | 1 |
| Electronics | 21 |
| Lighting other than cinema | 1 |
| Magnetics | 3 |
| Mathematics | 2 |
| Microsoft | 1 |
| Piezoelectric crystals | 1 |
| Radio | 2 |
| Radiology | 1 |
| Sound recording | 3 |
| Telegraphy | 1 |
| Telephony | 1 |
| Vacuum tubes | 1 |