Radiant energy – Photocells; circuits and apparatus – Housings
Patent
1996-03-29
1998-07-21
Le, Que
Radiant energy
Photocells; circuits and apparatus
Housings
2502141, 257433, H01J 502
Patent
active
057838194
ABSTRACT:
A solar radiation sensor comprises a light sensing element 1 detecting the uantity of light entering therein, and first and second lead legs 4, 5 each conducting an electric signal representing the quantity of the light detected by the light sensing element 2. Light sensing element 2 and first and second lead legs 4, 5 are supported on a sensor casing body 1, so that light sensing element 2 is housed inside a transparent cover 3. Each of first and second lead legs 4, 5 has one end 4a, 5a formed into a contact portion connected to light sensing element 2 and the other end 4b, 5b formed into an external connecting terminal, thereby reducing the number of welded or soldered connections. An engaging ridge 1a is provided on the sensor casing body 1 to fix light sensing element 2 with respect to cover 3. First and second lead legs 4, 5 are integrated with sensor casing body 1.
REFERENCES:
patent: 4437002 (1984-03-01), Taniguchi et al.
patent: 4516027 (1985-05-01), Schimmelpfennig et al.
patent: 5298742 (1994-03-01), Friauf et al.
patent: 5436492 (1995-07-01), Yamanaka
patent: 5523608 (1996-06-01), Kitaoka et al.
Maruyama Noboru
Shimoyama Masaki
Le Que
Yokogawa IMT Corporation Matsushita Electric Industrial Co., Ltd
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