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Stable Periodic Signal Generator (clock) based on Beta Particle Emissions

Detailed Technology Description: A device and method for generating a stable periodic signal were developed for use as a frequency or time keeping signal source.

Others: Patent: 7,476,865

*Abstract

This invention is for a device and method for generating a stable periodic signal for use as a frequency or time keeping signal source. Emissions from a radioactive thin film are detected and used to generate a periodic signal based on the radioisotope's decay rate. To improve stability, a dead-time controlling attenuator responds to the radioactive emission detector signal and attenuates it for a selected dead-time interval. The insensitivity of beta emissions to ambient conditions makes the device stable under most conditions.

Potential Applications

Precise time or frequency reference for sensors, cellular telephones, communication devices

Advantages

Low cost
Long life
Simple, robust design
Minimal-power consumption
Unaffected by ambient conditions such as temperature
Uses Ni-63, a safe radioisotope
- Predictable rate-of-decay can be systematically corrected

*Licensing: Patrick Govangpjg26@cornell.edu(607) 254-2330

Country/Region: USA

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