Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1996-01-11
1997-06-24
Cunningham, Terry
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
327310, 327313, 327314, 327326, 327328, 327543, G05F 302
Patent
active
056420722
ABSTRACT:
A high voltage generator circuit comprises a boosting circuit, limiter circuit, and a bypass circuit. When a supply voltage is inputted into the boosting circuit a high voltage is generated and supplied to the limiter circuit. When the high voltage generated by the boosting circuit exceeds a limit voltage of the limiter circuit, the limiter circuit operates and the output voltage of the boosting circuit is thus maintained at a constant value. When the output voltage exceeds the limit voltage of the limiter circuit and an output current of the boosting circuit exceeds a reference value, a portion of the output current of the boosting circuit equivalent to a difference between the output current and a predetermined value is bypassed and discharged by the bypass circuit stated above.
REFERENCES:
patent: 3829717 (1974-08-01), Harrison
patent: 4656369 (1987-04-01), Lou
patent: 4904885 (1990-02-01), Yamada et al.
patent: 5029282 (1991-07-01), Ito
patent: 5079455 (1992-01-01), McCafferty et al.
patent: 5180928 (1993-01-01), Choi
patent: 5347185 (1994-09-01), Tailliet
Atsumi Shigeru
Itoh Yasuo
Miyamoto Junichi
Cunningham Terry
Kabushiki Kaisha Toshiba
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