Weight measuring apparatus

Details Weight measuring apparatus Weight measuring apparatus

1992-12-15

1994-12-27

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

2503571, 2503591, G01G 900, G01N 2310, H01L 31117

Patent

active

053767985

ABSTRACT:
A low voltage, compact measuring apparatus for measuring the weight of a material is disclosed which uses a PIN diode in conjunction with a low noise processing circuit to detect particle radiation emitted from a source, which source has its detection intensity affected by a material to be measured. A light blocking, particle radiation permeable material protects the PIN diode from detecting light radiation.

REFERENCES:
patent: 3629586 (1971-12-01), Giles
patent: 4785186 (1988-11-01), Street et al.
C. Bilton, S. Hedges, P. R. Hobson and D. C. Imrie, "Low-cost silicon photodiode for x-ray detection." J. Phys. E: Sci. Instrum. vol. 21, No. 8 (Aug. 1988) pp. 809-811.
B. Jurgens, A. Vijftigschild, J. B. Vrijdaghs and H. J. Hopman, "Application of a pin photodiode as a low current electron detector with nanosecond time resolution." J. Phys. E: Sci. Instrum. vol. 8 (1975) pp. 629-630.

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