Electricity: power supply or regulation systems – Self-regulating – Using a three or more terminal semiconductive device as the...
Patent
1998-02-12
2000-02-01
Berhane, Adolf Deneke
Electricity: power supply or regulation systems
Self-regulating
Using a three or more terminal semiconductive device as the...
323313, G05F 316
Patent
active
060207310
ABSTRACT:
A constant voltage output circuit is constructed by first and second bipolar transistors whose bases are connected, a first resistor connects the emitter of the first bipolar transistor to a constant voltage source (ground), second and third resistors which are serially connected connect the emitter of the second bipolar transistor to the constant voltage source, and a common base electric potential of the first and second bipolar transistors is determined so that an electric potential of the emitter of the first bipolar transistor and an electric potential of a connecting portion of the second and third resistors are equalized. With this construction, a circuit is provided having a stable constant output voltage, and the selection width of the constant output voltage is wide.
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patent: 5654673 (1997-08-01), Shinohara
patent: 5712557 (1998-01-01), Gehrt et al.
patent: 5714872 (1998-02-01), Heimerl et al.
Berhane Adolf Deneke
Canon Kabushiki Kaisha
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