Patent ID: 11914178
Assignee: ZHEJIANG DAHUA TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC F  G  H  Y | IPC G  H

Claim 5:
6. The lighting device of claim 5 further comprising:
a lamp holder;
a reflection cup;
an isolator mounted on the lamp holder for isolating the light source to the lamp holder and the reflection cup;
an optocoupler mounted below the master blade for determining a position of the optocoupler baffle;
two first pressing plates for fixing the infrared filter;
a first seal for sealing the motor;
a first cover plate for covering the motor;
a second seal for sealing the lamp holder; and
a second cover plate for covering the lamp holder, the second cover plate including a second pressing plate and a glass cover of the lamp holder.