Photocell, having inclined plate cathode

Details Photocell, having inclined plate cathode Photocell, having inclined plate cathode

1988-05-13

1989-10-24

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313261, H01J 4014

Patent

active

048764434

ABSTRACT:
In a photocell, in particular for detecting U.V. radiation, comprising a plate cathode (1), an anode (2) and lead-in and lead-off lines (3, 4; 5, 6) respectively, which are sealed in a glass envelope, the plate cathode consists of a sheet metal strip (13) which, at its ends (11, 12), is connected to said lead-in lines (3, 4), while said anode consists of a wire electrode (16) which, at its ends (14, 15), is connected to said lead-off lines (5, 6) and which is arranged on the plate cathode side facing the radiation to be detected substantially parallel to and spaced apart (d) from said plate cathode. By this it is possible to achieve less overall costs of production and at the same time very good efficiency.

REFERENCES:
patent: 2000705 (1975-05-01), Long
patent: 2103031 (1937-12-01), Foulke
patent: 2237242 (1941-04-01), Tykociner et al.
patent: 2283413 (1942-05-01), Cashman
patent: 2576251 (1951-11-01), Cisne
patent: 2604604 (1952-07-01), Elston
patent: 3244890 (1966-04-01), Wittwer, Jr.
patent: 3636399 (1972-01-01), Eastman et al.
patent: 3809939 (1974-05-01), Miram et al.

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