the capacitor being charged from a constant-current source

Full Title

Generating pulses having essentially a finite slope or stepped portions > having triangular shape > having sawtooth shape > using as active elements semiconductor devices (H03K4/787 - H03K4/84 take precedence) > in which a sawtooth voltage is produced across a capacitor > the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator > the capacitor being charged from a constant-current source