Detecting apparatus for cold cathode lamp
A detecting apparatus for a lamp is disclosed. The detecting apparatus includes a central processing unit for receiving a spectrum signal and converting the spectrum signal into a digital signal, a converter for converting the digital signal to an analog signal, a controller for receiving the analog signal and generating an operating signal, and an amplifier for receiving the operating signal and outputting a voltage signal to activate the lamp, wherein the spectrum signal is analyzed and differentiated such that an operating condition for the lamp is obtained.
1. A detecting apparatus for a lamp, comprising:
a central processing unit for receiving a spectrum signal and converting said spectrum signal into a digital signal;
a converter for converting said digital signal to an analog signal;
a controller for receiving said analog signal and generating an operating signal;
an amplifier for receiving said operating signal and outputting a voltage signal to activate said lamp;
a display for displaying a condition;
a spectrometer for receiving a light from said lamp and generating a spectrum signal; and
a lens between said lamp and a spectrometer for focusing the light from said lamp and transmitting to said spectrometer through an optical fiber,
wherein said spectrum signal is analyzed and differentiated such that an operating condition for said lamp is obtained.
2. The detecting apparatus as claimed in claim 1 , wherein said lamp is a cold cathode lamp.
3. The detecting apparatus as claimed in claim 1 , wherein said operating condition is an optimal operating frequency and a voltage.
4. The detecting apparatus as claimed in claim 1 , wherein said converter is a digital/analog transmitter.
5. The detecting apparatus as claimed in claim 1 , further comprising a resistance between said amplifier and said lamp for protecting said amplifier.