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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Hile; John W.
Address:
Birmingham, MI
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
4119440 Method of making ion implanted zener diode October 10, 1978
A method of making a zener diode having an accurately predetermined breakdown voltage. A discrete device and integrated circuit adaptation of this device is disclosed. A specially highly doped opposite conductivity type island is embedded in a high resistivity body portion. Embedded in
4065715 Pulse duration modulated signal transducer December 27, 1977
A transducer for producing a pulse duration modulated signal in accord with the value of a parameter. A reference capacitor-resistance circuit is provided having a predetermined rate of capacitor discharge and a second capacitor-resistance circuit is provided having a capacitor and a
4051504 Ion implanted zener diode September 27, 1977
A zener diode having an accurately predetermined breakdown voltage, and a method of making such a zener diode. A discrete device and integrated circuit adaptation of this device is disclosed. A specially highly doped opposite conductivity type island is embedded in a high resistivity bod
4001676 Solid-state threshold detector January 4, 1977
An apparatus for providing a warning when the magnitude of a monitored parameter, such as vehicle fuel level, is within a critical range. A charge pump repeatedly charges a variable capacitor having a capacitance progressively changing with the magnitude of the monitored parameter and a










 
 
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