Device for measuring the irradiation energy impinged upon a targ

Details Device for measuring the irradiation energy impinged upon a targ Device for measuring the irradiation energy impinged upon a targ

1975-01-30

1976-08-10

Stolwein, Walter

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

307117, 250214R, H01J 3912

Patent

active

039743756

ABSTRACT:
A device for measuring the irradiation energy impinged upon a target within a fixed period, having a photo-electric receiver impacted by irradiation. Such devices have become known by the designation "Lux hour meter". They are used, e.g. for tests, by which the influence of irradiation energy on the properties of materials, e.g. textiles, shall be determined.

REFERENCES:
patent: 3600584 (1971-08-01), Schneble
patent: 3626825 (1971-12-01), Years
patent: 3649128 (1972-03-01), Rothschild et al.
patent: 3703130 (1972-11-01), Watanabe
patent: 3727526 (1973-04-01), Hinds
patent: 3790789 (1974-02-01), Takahashi et al.

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