Patent ID: 11971159
Assignee: SAVANT TECHNOLOGIES LLC
Field: Measurement (Instruments)
Classification: CPC F  G | IPC F  G

Claim 0:
1. A sensing device, comprising:
a sensor (i) being provided with a glass window to transmit light and (ii) configured to sense light incident upon the sensor;
a circuit board having the sensor provided on a side of the circuit board;
a Fresnel lens (i) being arranged above the sensor (ii) and configured to transmit light to the sensor; and
a housing (i) being made from a flame-resistant material (ii) comprising an accommodation space being configured to accommodate the sensor and the circuit board; (iii) further comprising a top housing and a bottom housing matched with each other, the top housing being arranged on a side of the circuit board where the sensor is provided, and the bottom housing being arranged on a side opposite of where the sensor is provided on the circuit board; and (iv) being provided with a center hole that is arranged in the top housing to expose the glass window;
wherein at least a portion of the housing is arranged between the Fresnel lens and the circuit board.