Radiation receiving sensor and air conditioner, electronic cooker, and transport device including the same

A radiation receiving sensor comprising:

• an infrared receiver including a plurality of infrared receiving devices that receive infrared radiation;
• a lens that allows infrared radiation to enter the infrared receiver;
• a rotator that rotates the infrared receiver and the lens about a part of the lens;
• and
• a cover member that faces the infrared receiver through the lens and that has translucency,
• wherein the lens allows infrared radiation that has passed through the cover member to enter the infrared receiver,
• wherein the rotator rotates the infrared receiver and the lens at a first rotational speed while infrared radiation that has passed through the first area is entering the infrared receiver and at a second rotational speed while infrared radiation that has passed through the second area is entering the infrared receiver, the first rotational speed and the second rotational speed being different from each other.

An air conditioner comprising:

• a radiation receiving sensor including
• an infrared receiver including a plurality of infrared receiving devices that receive infrared radiation,
• a lens that allows infrared radiation to enter the infrared receiver,
• a rotator that rotates the infrared receiver and the lens about a part of the lens, and
• a cover member that faces the infrared receiver through the lens and that has translucency,
• wherein the lens allows infrared radiation that has passed through the cover member to enter the infrared receiver,
• wherein the cover member includes a first area having a first infrared transmittance and a second area having a second infrared transmittance, which is lower than the first infrared transmittance, and
• wherein a distance between the second area of the cover member and the lens is larger than a distance between the first area of the cover member and the lens, and an optical length of infrared radiation that enters the lens in the second area is larger than an optical length of infrared radiation that enters the lens in the first area.

An air conditioner comprising:

• a radiation receiving sensor including
• an infrared receiver including a plurality of infrared receiving devices that receive infrared radiation,
• a lens that allows infrared radiation to enter the infrared receiver,
• a rotator that rotates the infrared receiver and the lens about a part of the lens, and
• a cover member that faces the infrared receiver through the lens and that has translucency,
• wherein the lens allows infrared radiation that has passed through the cover member to enter the infrared receiver,
• wherein the rotator rotates the infrared receiver and the lens at a first rotational speed while infrared radiation that has passed through the first area is entering the infrared receiver and at a second rotational speed while infrared radiation that has passed through the second area is entering the infrared receiver, the first rotational speed and the second rotational speed being different from each other.

An electronic cooker comprising:

• a radiation receiving sensor including
• an infrared receiver including a plurality of infrared receiving devices that receive infrared radiation,
• a lens that allows infrared radiation to enter the infrared receiver,
• a rotator that rotates the infrared receiver and the lens about a part of the lens, and
• a cover member that faces the infrared receiver through the lens and that has translucency,
• wherein the lens allows infrared radiation that has passed through the cover member to enter the infrared receiver,
• wherein the cover member includes a first area having a first infrared transmittance and a second area having a second infrared transmittance, which is lower than the first infrared transmittance, and
• wherein a distance between the second area of the cover member and the lens is larger than a distance between the first area of the cover member and the lens, and an optical length of infrared radiation that enters the lens in the second area is larger than an optical length of infrared radiation that enters the lens in the first area.

An electronic cooker comprising:

• a radiation receiving sensor including
• an infrared receiver including a plurality of infrared receiving devices that receive infrared radiation,
• a lens that allows infrared radiation to enter the infrared receiver,
• a rotator that rotates the infrared receiver and the lens about a part of the lens, and
• a cover member that faces the infrared receiver through the lens and that has translucency,
• wherein the lens allows infrared radiation that has passed through the cover member to enter the infrared receiver,
• wherein the rotator rotates the infrared receiver and the lens at a first rotational speed while infrared radiation that has passed through the first area is entering the infrared receiver and at a second rotational speed while infrared radiation that has passed through the second area is entering the infrared receiver, the first rotational speed and the second rotational speed being different from each other.