class Detector(DeviceBase):
    def __init__(self,  name):
        DeviceBase.__init__(self, name)        

    def doInitialize(self):   
        DeviceBase.doInitialize(self)  
                
    def start():
        print "startd" 
    
    def stop():
        print "stopd" 

    def doClose(self):   
        DeviceBase.doClose(self)