| Share | Phrase |
|---|
| 30.30% | phototransistor emitter |
| 24.17% | scanner phototransistor |
| 18.36% | phototransistor collector |
| 8.25% | phototransistor base |
| 5.17% | phototransistor [does] close |
| 4.02% | comprise phototransistor [perform operation] |
| 3.72% | include phototransistor [perform operation] |
| 3.71% | position phototransistor [perform operation] |
| 2.27% | phototransistor [does] have |