Thermal measuring and testing – Temperature measurement – Combined with diverse art device
Patent
1998-01-16
1999-12-28
Gutierrez, Diego
Thermal measuring and testing
Temperature measurement
Combined with diverse art device
374130, G01K 114, G01K 1300, G01J 508, G01J 562
Patent
active
060072423
ABSTRACT:
A cooking device includes an infrared ray sensor disposed to sense infrared radiation from food obliquely from the above. Infrared ray sensor includes a printed circuit board, a light receiving portion, a photointerrupter, and a chopper. The chopper includes a horizontal vane portion and a vertical vane portion. The chopper is disposed between the light receiving portion of infrared ray sensor and food such that the vertical vane portion passes between the light emitting device and light receiving device of photointerrupter and that horizontal vane portion passes between the light receiving portion of infrared ray sensor and food when chopper rotates. Thus, an improved microwave oven having a reduced occupied area which can be manufactured less costly can be provided.
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English abstract of JP 3-231125 (A), application No. 2-27492, Oct. 1991.
Fukunaga Eiji
Noda Masaru
Otsuki Yuichi
Takimoto Kazuyuki
Uehashi Hiroyuki
Gutierrez Diego
Sanyo Electric Co,. Ltd.
Tibbits Pia
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