Patent application number | Description | Published |
20120327505 | METHOD OF PERFORMING TARGET RAMAN GAIN LOCKING AND RAMAN FIBER AMPLIFIER - An embodiment of the present invention discloses a method of performing target Raman gain locking and a Raman fiber amplifier. The Raman fiber amplifier comprises a coupler ( | 12-27-2012 |
20140251591 | COOLING SYSTEM - A cooling system includes a first detection module, a second detection module, a control module connected to the first detection module and the second detection module, and a fan connected to the control module. The first detection module is used to detect a first temperature value and input a first voltage value to the control module according to the first temperature value. The second detection module is used to detect a second temperature value and input a second voltage value to the control module according to the second temperature value. The control device is used to control the fan according to a difference value between the first voltage and the second voltage. | 09-11-2014 |
20140253095 | PHASE DETECTING SYSTEM FOR THREE PHASE ALTERNATING CURRENT - An alternating current phase detecting system includes a first arithmetic circuit, a second arithmetic circuit, and an inverted output module connected to the second arithmetic circuit. The first arithmetic circuit receives any first alternating current signal and the second arithmetic circuit receives a second alternating current signal. The first alternating current signal is converted to a first output signal and is output to the second arithmetic circuit. The second arithmetic circuit outputs a second output signal to the inverted output module which is fed by the second alternating current signal and the first output signal. The inverted output module obtains a phase value difference between the first alternating current signal and the second alternating current signal to establish 120 degree sequentiality between the two, or otherwise, to enable correct electrical connections to be made to a powered device. | 09-11-2014 |
20140260602 | WATER-LEVEL DETECTING SYSTEM AND WATER-LEVEL DETECTING METHOD - A water-level detecting system includes a water receiving module located in an electronic device, a first sliding rheostat, a varicap, a frequency-to-voltage converter, a comparing module, and an indicator module. The water receiving module includes a water tank, a floating block received in the water tank, and a connecting portion. The floating block is moved by the rising water level in the water tank to slide the first sliding rheostat. A voltage of the varicap is changeable when the first sliding rheostat slides, and a voltage of the frequency-to-voltage converter is changeable according to the voltage of the varicap. The comparing module compares the voltage of the frequency-to-voltage converter with a predetermined voltage, and the indicator module lights up when the voltage of the frequency-to-voltage converter is greater than the predetermined voltage. The disclosure further offers a water-level detecting method. | 09-18-2014 |
20140263388 | DELIVERY DETECTING SYSTEM AND DELIVERY DETECTING METHOD - A delivery detecting system includes a Schmidt trigger circuit for receiving a periodic signal, a differential circuit connected to the Schmidt trigger circuit, and a monostable circuit connected to the differential circuit. The Schmidt trigger circuit is used to convert the periodic signal to a first square signal. The differential circuit is used to convert the first square signal to a triangular signal. The monostable circuit is used to convert the triangular signal to a second square signal. The invention further offers a delivery detecting method. | 09-18-2014 |
20140266148 | COIN-LEVEL DETERMINATION SYSTEM FOR COIN BOX - A system for detecting the level of coins in a coin box of a vending machine includes a voltage output circuit, a coin detecting circuit, and an indication circuit. The voltage output circuit receives a DC voltage, and provides a stable reference voltage. The coin detecting circuit receives the stable reference voltage, and detects the resistance of the coins in the coin box on the basis that the aggregate of accumulated coins creates an electrical connection across the coin box in parallel with known-value resistors in the coin detecting circuit. An amplification of the reference voltage takes place and the indication circuit receives the amplified reference voltage, to indicate by display or otherwise that the coin box is filled with coins or is not yet filled with coins. | 09-18-2014 |
20140285351 | VOLTAGE DETECTING SYSTEM - A voltage detecting system is configured for detecting a voltage supplied to an electronic device. The voltage detecting system includes a voltage measuring circuit configured to measure the voltage, a voltage converting circuit electrically coupled to the voltage, and a voltage comparing circuit. The voltage measuring circuit has a first measuring range and a second measuring range that is wider than the first measuring range. The voltage converting circuit is capable of the converting the voltage to an output voltage according to a predetermined ratio. The voltage comparing circuit compares the output voltage with a reference voltage. If the output voltage is greater than the reference voltage, the voltage comparing circuit informs the voltage measuring circuit to select the second measuring range. If the output voltage is not greater than the reference voltage, the voltage comparing circuit informs the voltage measuring circuit to select the first measuring range. | 09-25-2014 |
20150247505 | TEMPERATURE SENSING AND CONTROLLING SYSTEM FOR ELECTRONIC DEVICE - A temperature sensing and controlling system includes a temperature sensing module, a fan rotating speed, a display module, and a second control module. The temperature sensing module is configured to sense an actual temperature value inside the electronic device. The first control module is coupled to the temperature sensing module and is configured to control a rotating speed of a fan of the electronic device according to the sensed actual temperature value. The second control module is coupled to the display module and is configured to drive the display module to display the sensed actual temperature value according to a control signal output by the temperature sensing module. | 09-03-2015 |