Irradiation device

Details Irradiation device Irradiation device

1984-01-23

1986-02-11

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Electric switch in the supply circuit

3071414, 307142, 315119, 315121, 361192, 361194, H05B 3702, H05B 3906, H05B 4104, H05B 4118

Patent

active

045701091

ABSTRACT:
An irradiation device including a series arrangement of an ultraviolet radiation source (5), a first switch (3) and a second switch (4). Under normal conditions the radiation source (5) is switched on and off by the first switch (3). The second switch (4) is operative only if the first switch (3) fails. By means of a simple circuit (7, 20, 17, 6; R), the defective device cannot be switched on again.

REFERENCES:
patent: 2760116 (1956-08-01), Yaeger
patent: 3927348 (1975-12-01), Zawadski
patent: 4189665 (1980-02-01), Van der Meulen
patent: 4207500 (1980-06-01), Duve et al.
patent: 4303867 (1981-12-01), Van der Meulen

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