Multiple wavelength sensor drivers
First Claim
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1. A physiological sensor comprising:
- a plurality of light emitters comprising at least a first light emitter and a second light emitter;
an electrical grid configured to activate one or more light emitters of the plurality of light emitters by addressing at least one row conductor and at least one column conductor, wherein each of the one or more light emitters comprises a first terminal and a second terminal;
a first contact communicatively coupled with the first terminal of the first light emitter, the second terminal of the second light emitter, a first row conductor, and a first column conductor; and
a second contact communicatively coupled with the second terminal of the first light emitter, the first terminal of the second light emitter, a second row conductor, and a second column conductor.
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Abstract
A physiological sensor has light sources arranged in one or more rows and one or more columns. Each light source is activated by addressing at least one row and at least one column. The light sources are capable of transmitting light of multiple wavelengths and a detector is responsive to the transmitted light after attenuation by body tissue.
1076 Citations
19 Claims
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1. A physiological sensor comprising:
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a plurality of light emitters comprising at least a first light emitter and a second light emitter; an electrical grid configured to activate one or more light emitters of the plurality of light emitters by addressing at least one row conductor and at least one column conductor, wherein each of the one or more light emitters comprises a first terminal and a second terminal; a first contact communicatively coupled with the first terminal of the first light emitter, the second terminal of the second light emitter, a first row conductor, and a first column conductor; and a second contact communicatively coupled with the second terminal of the first light emitter, the first terminal of the second light emitter, a second row conductor, and a second column conductor. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A physiological sensor comprising:
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a plurality of light sources arranged in one or more rows and one or more columns, the plurality of light sources comprising at least a first light source and a second light source, wherein one or more light sources of the plurality of light sources are activated by addressing at least one row conductor and at least one column conductor, wherein each of the one or more light sources comprises a first contact and a second contact; a first electrical node communicatively coupled with the first contact of the first light source, the second contact of the second light source, a first row conductor, and a first column conductor; and a second electrical node communicatively coupled with the second contact of the first light source, the first contact of the second light source, a second row conductor, and a second column conductor. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method, comprising:
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providing a plurality of light sources in one or more rows and one or more columns, the plurality of light sources comprising at least a first light source and a second light source, wherein one or more light sources of the plurality of light sources are activated by addressing at least one row conductor and at least one column conductor, wherein each of the one or more light sources comprises a first contact and a second contact; providing a first electrical node communicatively coupled with the first contact of the first light source, the second contact of the second light source, a first row conductor, and a first column conductor; providing a second electrical node communicatively coupled with the second contact of the first light source, the first contact of the second light source, a second row conductor, and a second column conductor; activating the first light source by addressing a first row drive line communicatively coupled to the first row conductor, and a second column drive line communicatively coupled to the second column conductor; and activating the second light source by addressing a second row drive line communicatively coupled to the second row conductor, and a first column drive line communicatively coupled to the first column conductor. - View Dependent Claims (18, 19)
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Specification