Electric blanket

Details Electric blanket Electric blanket

1985-10-21

1986-12-30

Goldberg, E. A.

Electric heating

Heating devices

Combined with diverse-type art device

219518, 219529, 200 85R, H05B 334

Patent

active

046330623

ABSTRACT:
The temperature control of an electric blanket changes the preset temperature in accordance with the presence or absence of a human body so as to ensure comfortable sleeping. The preset temperature is changed to a higher temperature setting upon connecting the power source. When the user goes to bed so that the human body is detected by human body detecting means, the higher temperature setting is automatically decreased by setting changing means to the temperature preset by temperature setting means. Also, when the user rises for the time being after having fallen asleep, the preset temperature is automatically raised so that the user is again allowed to fall asleep comfortably.

REFERENCES:
patent: 836282 (1906-11-01), Shellhamer
patent: 2424438 (1947-07-01), Downie
patent: 4020482 (1977-04-01), Feldl
patent: 4264904 (1981-04-01), McCoy

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