초록 ▼

An exemplary embodiment of the invention is a power system including a first power source, a first DC bus coupled to the first power source and a second DC bus coupled to the first power source. A power conditioning device is coupled to the first DC bus and the second DC bus. A load receives power f

An exemplary embodiment of the invention is a power system including a first power source, a first DC bus coupled to the first power source and a second DC bus coupled to the first power source. A power conditioning device is coupled to the first DC bus and the second DC bus. A load receives power from the power conditioning device.

대표청구항 ▼

An exemplary embodiment of the invention is a power system including a first power source, a first DC bus coupled to the first power source and a second DC bus coupled to the first power source. A power conditioning device is coupled to the first DC bus and the second DC bus. A load receives power f

An exemplary embodiment of the invention is a power system including a first power source, a first DC bus coupled to the first power source and a second DC bus coupled to the first power source. A power conditioning device is coupled to the first DC bus and the second DC bus. A load receives power from the power conditioning device. further comprising an air bag device coupled to the control circuit which outputs a bag deployment enabling signal to deploy the air bag device only if the signal data is at least equal to the passenger identity reference value. 9. The passenger detection system defined in claim 8, wherein the passenger identity reference value corresponds to a current signal selected to be midway between a relatively high current level which flows through the at least three antenna electrodes when an adult is seated on the seat and a relatively low current level which flows through the at least three antenna electrodes when a child is on the seat. 10. The passenger detection system defined in claim 9, wherein the passenger identity reference value is further selected as a function of the characteristics of the seat. 11. The passenger detection system defined in claim 8, wherein the control circuit outputs an air bag deployment prohibiting signal, when it determines that the signal data is smaller than the passenger identity reference value. 12. The passenger detection system defined in claim 9, wherein the control circuit is operative to store a passenger loading reference value which is represented by the current level flowing through the at least three electrodes and selected to be lower than the relatively low current level flowing through the at least three antenna electrodes when the child is seated on the seat. 13. The passenger detection system defined in claim 1, further comprising an amplitude varying circuit coupled to the electric field generation device and operative to control the amplitude of a source forward signal such that the source forward signal has a uniform amplitude when applied to each of the at least three spaced-apart antenna electrodes. 14. The passenger detection system defined in claim 13, wherein the information detection circuit includes an impedance element coupled in series with the amplitude varying circuit to receive the source forward signal from the electric field generation device and with each of the at least three spaced-apart antenna electrodes, the information detection circuit further having an operational amplifier operative to amplify an output signal resulting from a voltage differential across the impedance element if a passenger is seated on the seat. 15. The passenger detection system defined in claim 3, further comprising a problem diagnostic circuit operative to verify communication between the control circuit and an air bag device. 16. The passenger detection system as defined in claim 1, further comprising a phase detector circuit connected between the electric field generation device and the at least three spaced apart antenna electrodes for measuring respective phase shifts resulting from a passenger seated on the seat. 17. The passenger detection system according to claim 1, wherein the array of at least three spaced-apart antenna electrodes are disposed on a backrest section of the seat. 18. A passenger detection system comprising: an array of at least three spaced-apart antenna electrodes disposed on a seat, at least two of said antenna electrodes arranged in a linear row and at least one antenna electrode offset from said linear row; an electric field generation device connectable to said at least three spaced-apart antenna electrodes for generating an electric field around at least one antenna electrode of said at least three spaced-apart antenna electrodes; a switching circuit for selecting a particular antenna electrode from said at least three spaced-apart antenna electrodes and connecting said selected antenna electrode to said electric field generation device to produce said electric field around said selected antenna electrode; an information detection circuit for detecting said electric field around said selected antenna electrode, and obtaining information related to a current flowing in said selected antenna electrode resulting from said electric field around said sel