Electrical transmission or interconnection systems – With nonswitching means responsive to external nonelectrical... – Temperature responsive
Patent
1989-02-13
1991-10-22
Callahan, Timothy P.
Electrical transmission or interconnection systems
With nonswitching means responsive to external nonelectrical...
Temperature responsive
307602, 307263, 307268, 307450, 307603, 307605, H03K 513, H03K 5159, H03K 1728
Patent
active
050598376
ABSTRACT:
A delay circuit for receiving a number of input signals and for providing a delay in accordance with the input signals. The delay circuit includes: an output circuit for producing a first output signal when a node is above a threshold voltage, and for producing a second output signal, which is different from the first output signal, when the node is below the threshold voltage; a device for maintaining the node voltage at a level which is above the threshold voltage so that the output circuit produces the first output signal; and a plurality of switching devices for causing, the node voltage to decrease below the threshold voltage so that the output circuit produces the second output signal. Depending on which one of the switching devices is rendered conductive, the node voltage will decrease at a different rate, thereby causing the output circuit to produce the second output signal at different delay times.
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European Search Report.
IBM Technical Disclosure Bulletin (vol. 31, No. 1, Jun. 1988) pp. 21-23, "Device Parameter Independent Delay Circuit".
Erdelyi Charles K.
Marshall Mark G.
Callahan Timothy P.
IBM
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