Radiation detection method and apparatus

Claim 1

A medical diagnostic apparatus for detecting the temperature differential between two sites on the surface of a person's body comprising: a single thermal radiation detector; a plurality of lenses arranged to respectively receive thermal radiation from different sites on the person's body along different optical paths and to focus the received radiation onto the single detector; means for alternately interrupting the flow of thermal radiation from the different sites to the detector so that the thermal radiation from not more than one of the sites is received by the detector at any time; means for converting the received thermal radiation from each site to corresponding temperature indicative signals; means for averaging the temperature indicative signals derived from each corresponding site to determine the surface temperature of each site; and wherein the plurality of lenses are concentric and lie in a common plane.

Claim 8

An apparatus for detecting the temperatures of a plurality of areas on the surface of an object comprising: a thermal radiation detector; a plurality of concentric lenses arranged to respectively receive thermal radiation from different areas on the surface of an object; a plurality of deflecting mirrors positioned to respectively deflect the radiation from the field of view from each of the lenses onto the detector such that the radiation from the fields of view focus on the detector; and means for passing radiation from not more than one field of view to the detector at any time.

Claim 9

An apparatus for detecting the temperatures of a plurality of areas on the surface of an object comprising: a thermal radiation detector; a plurality of concentric lenses arranged to respectively receive thermal radiation from different areas on the surface of an object; a plurality of deflecting mirrors positioned to respectively deflect the radiation from the field of view from each of the lenses onto the detector such that the radiation from the fields of view focus on the detector; and means for passing radiation from not more than one field of view to the detector at any time.

Claim 14

An apparatus for detecting the temperatures of a plurality of areas on the surface of an object comprising: a thermal radiation detector; a plurality of lenses arranged to respectively have different fields of view of the object of which the temperature is to be determined; a mirror switching mechanism which oscillates at a predetermined frequency; and a plurality of deflecting mirrors positioned to respectively deflect the radiation from the fields of view from the lenses onto the mirror switching mechanism which in turn alternately deflects each field of view onto the detector.

Claim 15

An apparatus for detecting the temperatures of a plurality of areas on the surface of an object comprising: a thermal radiation detector; a plurality of lenses arranged to respectively have different fields of view of the object of which the temperature is to be determined; a mirror switching mechanism which oscillates at a predetermined frequency; and a plurality of deflecting mirrors positioned to respectively deflect the radiation from the fields of view from the lenses onto the mirror switching mechanism which in turn alternately deflects each field of view onto the detector.

Claim 19

An apparatus for detecting the temperatures of a plurality of areas on the surface of an object comprising: an infrared radiation detector; a plurality of combinations of mirror-lens arrangements for receiving and focusing thermal radiation from different areas onto the detector; means for alternately interrupting the thermal radiation from the different areas to said detector at a predetermined frequency so that the thermal radiation from not more than one area of the object is received by the detector at any time; and means for averaging the temperature radiation received from each area a number of times and comparing that average with the average for another area.

Claim 20

An apparatus for detecting the temperatures of a plurality of areas on the surface of an object comprising: an infrared radiation detector; a plurality of combinations of mirror-lens arrangements for receiving and focusing thermal radiation from different areas onto the detector; means for alternately interrupting the thermal radiation from the different areas to said detector at a predetermined frequency so that the thermal radiation from not more than one area of the object is received by the detector at any time; and means for averaging the temperature radiation received from each area a number of times and comparing that average with the average for another area.

Claim 21

A method for remotely determining the temperatures of a plurality of areas on the surface of an object comprising the steps of: providing a thermal radiation detector; providing a plurality of lenses which respectively receive thermal radiation from different areas on the surface of the object and focus the radiation onto the detector; alternately interrupting the flow of thermal radiation to the detector from the different areas so that the thermal radiation from not more than one area of the object is received by the detector at any time; converting the received thermal radiation to a temperature indicative signal; and averaging a plurality of the temperature indicative signals for determining the average surface temperature of each area, and comparing that average with the average for another area.

Claim 22

A method for remotely determining the temperatures of a plurality of areas on the surface of an object comprising the steps of: providing a thermal radiation detector; providing a plurality of lenses which respectively receive thermal radiation from different areas on the surface of the object and focus the radiation onto the detector; alternately interrupting the flow of thermal radiation to the detector from the different areas so that the thermal radiation from not more than one area of the object is received by the detector at any time; converting the received thermal radiation to a temperature indicative signal; and averaging a plurality of the temperature indicative signals for determining the average surface temperature of each area, and comparing that average with the average for another area.

Claim 23

A method for detecting the occurrence of ovulation in a woman's menstrual cycle, comprising the steps of: providing a thermal radiation detector; providing at least two concentrically arranged lenses lying in a common plane; focusing one of the two lenses on a hormonally sensitive area of the body of the woman; focusing another one of the two lenses on a hormonally insensitive area of the body of a woman; positioning each of the two lenses such that thermal radiation from each area is focused onto the thermal radiation detector; alternately blocking the radiation from each of the at least two lenses so that only radiation from one of the areas is received by the detector at any time; converting the received radiation to temperature indicative signals; comparing the signals corresponding to one of the areas to the signals corresponding to the other of the areas; providing an indication of ovulation when the signals are representative of different temperatures at each of the areas; and averaging a plurality of the temperature indicative signals for determining the average surface temperature of each area, and comparing that average with the average for another area.

Claim 24

A method for detecting the occurrence of ovulation in a woman's menstrual cycle, comprising the steps of: providing a thermal radiation detector; providing at least two concentrically arranged lenses lying in a common plane; focusing one of the two lenses on a hormonally sensitive area of the body of the woman; focusing another one of the two lenses on a hormonally insensitive area of the body of a woman; positioning each of the two lenses such that thermal radiation from each area is focused onto the thermal radiation detector; alternately blocking the radiation from each of the at least two lenses so that only radiation from one of the areas is received by the detector at any time; converting the received radiation to temperature indicative signals; comparing the signals corresponding to one of the areas to the signals corresponding to the other of the areas; providing an indication of ovulation when the signals are representative of different temperatures at each of the areas; and averaging a plurality of the temperature indicative signals for determining the average surface temperature of each area, and comparing that average with the average for another area.