Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Having specific delay in producing output waveform
Reexamination Certificate
2006-11-28
2006-11-28
Ton, My-Trang Nu (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Having specific delay in producing output waveform
C327S284000
Reexamination Certificate
active
07142031
ABSTRACT:
To enhance the accuracy of the delay time of the delay device by reducing the change in the power supply voltage for the delay device, and a delay device that delays an incoming transmission signal, comprising: a delay element that operates on a power supply voltage Vdd and a power supply voltage Vss and delays the transmission signal, the voltage Vdd being larger than the voltage Vss; an addition circuit that outputs to an output of the delay element, a predetermined voltage that is larger than the voltage Vss and smaller than the voltage Vdd. This delay element includes a digital circuit that outputs one of output voltages of two possible values in correspondence with an input voltage. Furthermore, the addition circuit outputs a voltage substantially similar to a threshold voltage that said output of the digital circuit inverts from one of the output voltages of two possible values to another thereof.
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Okayasu Toshiyuki
Suda Masakatsu
Advantest Corporation
Nu Ton My-Trang
Osha & Liang LLP
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