Circadian clock seat
First Claim
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1. Apparatus for reducing jetlag effects, comprising:
- a chair adaptable to receive a traveler and having a seat pan, the seat pan having a front edge, the depth of the seat pan preselected such that, when a traveler sits in the chair, the thighs of the traveler extend over the front edge of the seat pan, the seat pan being elevated such that the legs of the traveler will bend at the knee and extend downwardly below the plane of the seat pan;
a luminaire mounted adjacent the front edge of the seat pan and adaptable to shine light upward and frontward, such that the popliteal regions of a traveler sitting in the chair are illuminated; and
a source of light operatively connected to the luminaire to transmit light thereto,the intensity of the light preselected to bioactively change the biological clock of the traveler upon exposure of the popliteal regions of the traveler to light.
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Abstract
Apparatus for adjusting the biological clock of, e.g., an intercontinental or transcontinental airline traveler includes a luminaire disposed adjacent a front edge of a seat pan of a seat. The luminaire is coupled to or includes a light source; preferably the light source is disposed remotely from the luminaire and is coupled to the luminaire by a light guide. The luminaire may have a flexible reflecting element to increase light intensity on the backs of the traveler'"'"'s knees. Using the luminaire to shine bright light on the backs of the knees of the traveler permits adjustment of the biological clock of the traveler in flight.
29 Citations
18 Claims
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1. Apparatus for reducing jetlag effects, comprising:
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a chair adaptable to receive a traveler and having a seat pan, the seat pan having a front edge, the depth of the seat pan preselected such that, when a traveler sits in the chair, the thighs of the traveler extend over the front edge of the seat pan, the seat pan being elevated such that the legs of the traveler will bend at the knee and extend downwardly below the plane of the seat pan; a luminaire mounted adjacent the front edge of the seat pan and adaptable to shine light upward and frontward, such that the popliteal regions of a traveler sitting in the chair are illuminated; and a source of light operatively connected to the luminaire to transmit light thereto, the intensity of the light preselected to bioactively change the biological clock of the traveler upon exposure of the popliteal regions of the traveler to light. - View Dependent Claims (2, 3, 4)
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5. A combination chair and therapeutic lamp for altering the biological clock of a person sitting in the chair, comprising:
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a seat pan having a front edge and a top surface, the seat pan being elevated and disposed such that the person'"'"'s thighs will extend over the front edge and such that the person'"'"'s calves will extend downwardly to a position below the elevation of the seat pan; a luminaire mounted in the chair adjacent the front edge of the seat pan and having a ventral sidewall and a dorsal sidewall, the ventral sidewall and the dorsal sidewall defining a luminaire interior, the ventral sidewall disposed frontward and upward of the dorsal sidewall and having at least a portion which is light-transparent such that light will shine through the sidewall from the interior upwardly and outwardly with respect to the front edge of the seat pan; a light emitter disposed in the interior of the luminaire and adaptable to emit light of a predetermined intensity upwardly and outwardly through the transparent portion of the ventral sidewall to illuminate the backs of the person'"'"'s knees; and means for making the light emitter emit the light. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. Apparatus for adjusting the biological clock of a person, comprising:
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a seat having a seat pan, the seat pan having a front edge; means for supporting the feet of the person; the seat pan having a predetermined depth perpendicular to the front edge and a predetermined height, as measured from the means for supporting the feet of the person in a direction perpendicular to the depth; a luminaire mounted in the seat to be adjacent the front edge of the seat pan and operable to illuminate any point within a popliteal region locus extending upwardly and frontwardly of the front edge of the seat pan with at least a predetermined light intensity; a light source coupled to the luminaire to furnish light thereto; and a switch coupling the light source to a source of electrical power.
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Specification