Signal lamp capable of detecting number of pedestrians on roadside and adjusting red light time
The utility model discloses a signal lamp capable of detecting the number of pedestrians on the roadside and adjusting the red light time, which comprises a lamp shell, a shielding supporting plate is welded and fixed on the outer side of the lamp shell, a signal lamp is connected to the outer side...
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Format: | Patent |
Sprache: | chi ; eng |
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