Patent ID: 11915631
Assignee: FUJIAN NASHIDA ELECTRONIC INCORPORATED COMPANY
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  B | IPC B  G

Claim 9:
10. The digital-display control apparatus, as recited in claim 9, wherein the number 1 representing that the sensing distance value is 10 cm, wherein number 2 representing that the sensing distance value is 20 cm, wherein number 3 representing that the sensing distance value is 30 cm, wherein number 4 representing that the sensing distance value is 40 cm, wherein numbers 5 representing that the sensing distance value is 50 cm, wherein number 6 representing that sensing distance value is 60 cm, wherein number 7 representing that sensing distance is 70 cm, wherein number 8 representing that sensing distance value is 80 cm, wherein number 9 representing that sensing distance value is 90 cm.