delayedGenerator = new SignalGenerator(this);
delayedGenerator = new SignalGenerator(context, this);
	public void addDelayedSignal(DelayedSignal s) {		synchronized (delayedSignalQueue) {			if (delayedGenerator == null)				delayedGenerator = new SignalGenerator(this);			delayedSignalQueue.add(s);			delayedSignalQueue.notify();		}	}