Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1978-08-16
1981-01-20
James, Andrew J.
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
307304, 357 23, 357 59, 357 51, 357 13, H01L 2978, H03K 326, H03K 3353
Patent
active
042465028
ABSTRACT:
An on-board integrated circuit chip signal source which allows operation of the chip from previously incompatible and excessively high amplitude signal sources, and as well powers the chip from such sources as the input signal, a clock, etc. The invention utilizes a 3 plate capacitor, with the bottom plate formed of a heavily doped region of the silicon substrate. Signal is applied between the outside plates of the capacitor and a proportion of the signal is received between the center plate and one of the outside plates. A diode clamp connected between the center plate and a reference potential fixes the derived peak and average signal levels.
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patent: 4156249 (1979-05-01), Koo
patent: 4163242 (1979-07-01), Stein
James Andrew J.
Mitel Corporation
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