NON-CONTACT SENSING DEVICE AND ITS METHOD FOR COMPUTER PERIPHERALS
First Claim
Patent Images
1. A non-contact sensing device for computer peripherals for using with a digital pointing device, the non-contact sensing device comprising:
- a power supply for generating a power source signal;
a transmitting unit for converting the power source signal into an oscillating signal and sending the oscillating signal to the digital pointing device;
a sensing unit for receiving the oscillating signal sent back from the digital pointing device and converting the oscillating signal into a sensing signal; and
a controller for outputting a starting signal and a stopping signal with different time ratios to the transmitting unit and the sensing unit, so as to perform a dynamic switching based on the sensing signal.
1 Assignment
0 Petitions
Accused Products
Abstract
A non-contact sensing device for computer peripherals comprises a sensing unit, a controller and a transmitting unit. The sensing unit can detect a digital pointing device and generate a sensing signal. The controller outputs a starting signal and a stopping signal in different time ratios according to the sensing signal and makes the transmitting unit to generate an oscillating signal dynamically to be sent to the digital pointing device. Thereby, the electric power consumed by the non-contact sensing device can be reduced substantially.
19 Citations
9 Claims
-
1. A non-contact sensing device for computer peripherals for using with a digital pointing device, the non-contact sensing device comprising:
-
a power supply for generating a power source signal; a transmitting unit for converting the power source signal into an oscillating signal and sending the oscillating signal to the digital pointing device; a sensing unit for receiving the oscillating signal sent back from the digital pointing device and converting the oscillating signal into a sensing signal; and a controller for outputting a starting signal and a stopping signal with different time ratios to the transmitting unit and the sensing unit, so as to perform a dynamic switching based on the sensing signal. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A non-contact sensing method for computer peripherals used with a digital pointing device, the non-contact sensing method comprising steps of:
-
providing a power source signal; converting the power source signal into a oscillating signal and sending the oscillating signal to the digital pointing device; converting the oscillating signal sent back from the digital pointing device into a sensing signal; and outputting a starting signal and a stopping signal with different time ratios based on the sensing signal, so as to perform a dynamic switching. - View Dependent Claims (8, 9)
-
Specification