Not known Details About Anti-Tamper Digital Clocks
Not known Details About Anti-Tamper Digital Clocks
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The reset period of time can be before the clock Consider period of time. Utilizing the clock to trigger the evaluate circuit might make use of a clock edge at an stop with the clock Examine time period to trigger the evaluate circuit.
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The reset period of time could possibly be previous to the evaluate time frame. Using the clock to cause the Consider circuit may perhaps use a clock edge at an conclude in the evaluate period of time to bring about the Examine circuit.
means for delaying the monotone sign to create a plurality of delayed monotone signals owning discretely escalating hold off occasions amongst a bare minimum hold off time along with a maximum hold off time and every on the plurality of delayed monotone alerts obtaining either a a single or possibly a zero logic price;
26. The method for detecting voltage tampering as defined in declare 23, whereby the Examine circuit decides regardless of whether the quantity of types within the plurality of delayed monotone indicators differs from a h2o degree quantity by over a predetermined threshold.
The methods of a way or algorithm described in connection with the embodiments disclosed herein may be embodied straight in hardware, or in a combination of hardware as well as a software module executed by a processor. A software module may perhaps reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, tricky disk, a detachable disk, a CD-ROM, or some other sort of storage medium identified from the artwork.
23. A way for detecting voltage tampering, comprising: offering a plurality of resettable hold off line segments, whereby resettable hold off line segments among a resettable hold off line segment linked to a bare minimum delay time and also a resettable hold off line segment linked to a most delay time are Just about every connected to discretely growing delay times;
The water amount number may very well be established determined by delayed monotone signals from one or more earlier evaluate time 310. The plurality of resettable hold off line segments may comprise faucets along a hold off line. Alternatively, the plurality of resettable hold off line segments comprises parallel hold off lines.
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A modern analogue clock, which happens to be fixed into our United kingdom registered style 6081840 anti-ligature clock
With reference to FIG. four, the plurality of resettable hold off line segments 210 may well comprise parallel segmented delay lines. A person hold off line phase could possibly have just one delay element that generates the minimum amount delayed monotone signal.
A monotone signal is provided through a clock Assess period of time connected to a clock. The monotone sign is delayed using Each and every of the plurality of resettable delay line segments to make a respective plurality of delayed monotone indicators. The clock is used to bring about an Appraise circuit that takes advantage of the plurality of delayed monotone indicators to detect a clock fault.
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In other additional in-depth facets of the invention, Every of your plurality of delayed monotone alerts could be either a one particular or maybe a zero. The evaluate circuit may perhaps ascertain irrespective of whether the volume of types within the plurality of delayed monotone indicators differs from a water level quantity by over a predetermined threshold.