Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1990-12-11
1992-09-22
Hudspeth, David
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
307570, 2502011, H04N 900
Patent
active
051499894
ABSTRACT:
In a photo-electric converter having a first reset circuit for resetting a charge stored in a control electrode to a first potential and a second reset circuit for rendering a main electrode of an output circuit to assume a second potential after the resetting by the first reset circuit to reset the residual charge of the control electrode, a third reset circuit for making a third reset which is equivalent to the second reset prior to the first reset is provided.
REFERENCES:
patent: 4329577 (1982-05-01), Asano et al.
patent: 4942459 (1990-07-01), Hieda et al.
patent: 5023704 (1991-06-01), Hieda et al.
Oguchi Takahiro
Ohzu Hayao
Canon Kabushiki Kaisha
Hudspeth David
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