1
John G Metro, Denis P Galipeau: Transistor overcurrent protection circuit. Cherry Semiconductor Corporation, Robert M Asher, August 30, 1994: US05343141 (7 worldwide citation)

A transistor overcurrent protection circuit using an error amplifier to make a voltage comparison between a threshold voltage and the collector voltage of a current sensing transistor. The current sensing transistor is arranged in a circuit such that the collector current of the current sensing tran ...


2
Walter S Gontowski Jr, John G Metro, Steven S Yole: Relaxation oscillator integrated circuit having shortable zener diodes for adjusting discharge current. Cherry Semiconductor Corporation, Robert M Asher, June 2, 1987: US04670721 (3 worldwide citation)

An oscillator integrated circuit is disclosed in which a predetermined current is reliably established through a discharge transistor by zener zapping appropriate circuit components. In accordance with an embodiment, a plurality of zener diodes are provided in parallel with a plurality of resistors ...