Systems and elements are disclosed for creating a continuous, collimated detection zone for an automatically-actuated device or container, such as an automatic waste container, wherein the detection zone can be made to match the periphery of a defined area, such as the opening periphery of the conta
Systems and elements are disclosed for creating a continuous, collimated detection zone for an automatically-actuated device or container, such as an automatic waste container, wherein the detection zone can be made to match the periphery of a defined area, such as the opening periphery of the container, is height adjustable and immune from ambient light fluctuations.
대표청구항▼
1. A system for detecting objects within one or more defined volumes of space, the system comprising:a housing module including a perimeter around a defined area;a plurality of light-emitting sources arrayed in combination with the housing module along, and in spaced-apart relation to, at least a se
1. A system for detecting objects within one or more defined volumes of space, the system comprising:a housing module including a perimeter around a defined area;a plurality of light-emitting sources arrayed in combination with the housing module along, and in spaced-apart relation to, at least a segment of the perimeter, the plurality of light-emitting sources being operable to emit diverging light;optical means integrated in combination with the housing module in spaced-apart relation with respect to the plurality of light-emitting sources, arrayed such that at least a portion of the diverging light emitted by the plurality of light-emitting sources falls incident upon the optical means and is shaped by the optical means to form a substantially continuous zone of substantially collimated light along the perimeter segment, wherein the substantially continuous zone of substantially collimated light along the perimeter segment defines a detection zone for the defined area, and wherein objects within the detection zone reflect the substantially collimated light; anddetection means integrated in combination with the housing module in spaced-apart relation with respect to the plurality of light-emitting sources and the optical means, arrayed such that at least a portion of the reflected substantially collimated light from objects within the detection zone falls incident upon the detection means, the detection means having a field of view that provides substantially continuous detection coverage for the perimeter segment to detect the reflected substantially collimated light falling upon the detection means, and operable to generate a signal in response to detection of the reflected substantially collimated light.2. The system of claim 1 wherein the optical means comprises lens means arrayed such that the diverging light from the light-emitting sources falling upon the lens means passes through the lens means to form the substantially continuous zone of substantially collimated light along the perimeter segment.3. The system of claim 2 wherein the lens means comprises a plurality of lens surface sections arranged along the perimeter segment in one-to-one correspondence with the plurality of light-emitting sources, wherein each of the lens surface sections has an optical focus situated within the housing module; andwherein each light-emitting source is substantially located at the optical focus of the corresponding lens surface section.4. The system of claim 2 further comprising condenser lens means in spaced-apart relation with respect to the light-emitting sources and the lens means, wherein at least a portion of the diverging light from the light-emitting sources falls incident upon, and passes through, the condenser lens means and onto the lens means, whereby the total amount of the diverging light from the light-emitting sources thus falling upon, and passing through, the lens means to form the substantially continuous zone of substantially collimated light along the perimeter segment is increased by the condenser lens means.5. The system of claim 1 wherein the optical means comprises reflective means arrayed such that the diverging light from the light-emitting sources falling incident upon the reflective means is reflected by the reflective means to form the substantially continuous zone of substantially collimated light along the perimeter segment.6. The system of claim 5 wherein the reflective means comprises a plurality of reflective surface sections arranged in spaced-apart relation with respect to the perimeter segment and in one-to-one correspondence with the plurality of light-emitting sources, wherein each of the reflective surface sections has an optical focus situated within the housing module; andwherein each light-emitting source is substantially located at the optical focus of the corresponding reflective surface section.7. The system of claim 5 further comprising condenser lens means in spaced-apart relation with respect to the light-emitting sources and the reflective means, wherein at least a portion of the diverging light from the light-emitting sources falls incident upon, and passes through, the condenser lens means and onto the reflective means, whereby the total amount of the diverging light from the light-emitting sources thus falling upon, and reflected by, the reflective means to form the substantially continuous zone of substantially collimated light along the perimeter segment is increased by the condenser lens means.8. A system for detecting objects within one or more defined volumes of space comprising:a housing module including a perimeter around a defined area;a plurality of light detectors arrayed in combination with the housing module along, and in spaced-apart relation to, at least a segment of the perimeter of the defined area, each of the plurality of light detectors having a diverging field of view and each of the plurality of light detectors being operative to provide a signal in response to light within the diverging field of view impinging on the light detector;optical means integrated in combination with the housing module in spaced-apart relation with respect to the plurality of light detectors such that at least a portion of the diverging fields of view of the light detectors falls incident upon the optical means and is shaped by the optical means to form a substantially continuous zone of substantially collimated field of view of the light detectors along the perimeter segment of the defined area;light-emitting means integrated in combination with the housing module in spaced-apart relation with respect to the plurality of light detectors and the optical means, the light-emitting means being operative to emit diverging light, the diverging light providing substantially continuous coverage for the perimeter segment to illuminate objects within the substantially continuous zone of substantially collimated field of view of the light detectors along the perimeter segment; andwherein the substantially continuous zone of substantially collimated field of view of the light detectors along the perimeter segment defines a detection zone for the defined area wherein objects within the detection zone reflect the diverging light from the light-emitting sources and at least a portion of the reflected light from objects within the detection zone falls incident upon, and is directed by, the optical means to impinge on at least one of the light detectors, whereby the light detectors illuminated by the reflected light provide the signal in response thereto.9. The system of claim 8 wherein the optical means comprises lens means such that the portion of the diverging fields of view of the light detectors falling incident upon the lens means passes through the lens means to form the substantially continuous zone of substantially collimated field of view of the light detectors along the perimeter segment and the reflected light from objects within the detection zone falling incident upon the lens means passes through the lens means and onto at least one of the light detectors, whereby the light detectors illuminated by the reflected light provide the signal in response thereto.10. The system of claim 9 wherein the lens means comprises a plurality of lens surface sections arranged along the perimeter segment in one-to-one correspondence with the plurality of light detectors, wherein each of the lens surface sections has an optical focus situated within the housing module; wherein each light detector is substantially located at the optical focus of the corresponding lens surface section.11. The system of claim 9 further comprising condenser lens means in spaced-apart relation with respect to the light detectors and the lens means; whereinat least a portion of the diverging fields of view of the light detectors falls incident upon, and passes through, the condenser lens means and onto the lens means to form the substantially continuous zone of substantially collimated field of view of the light detectors along the perimeter segment, and the reflected light from objects within the detection zone falling incident upon, and passing through, the lens means passes through the condenser lens means and onto at least one of the light detectors, whereby the total amount of the reflected light from objects in the detection zone impinging on the light detectors is increased by the condenser lens means.12. The system of claim 8 wherein the optical means comprises reflective means such that the portion of the diverging fields of view of the light detectors falling incident upon the reflective means is reflected by the reflective means to form the substantially continuous zone of substantially collimated field of view of the light detectors along the perimeter segment and the reflected light from objects within the detection zone falling incident upon the reflective means is reflected by the reflective means to impinge on at least one of the light detectors, whereby the light detectors illuminated by the reflected light from the reflective means provide the signal in response thereto.13. The system of claim 12 wherein the reflective means comprises a plurality of reflective surface sections arranged in spaced-apart relation with respect to the perimeter segment and in one-to-one correspondence with the plurality of light detectors, wherein each of the reflective surface sections has an optical focus situated within the housing module; and wherein each light detector is substantially located at the optical focus of the corresponding reflective surface section.14. The system of claim 12 further comprising condenser lens means in spaced-apart relation with respect to the light detectors and the reflective means; whereinat least a portion of the diverging fields of view of the light detectors falls incident upon, and passes through, the condenser lens means and onto the reflective means to form the substantially continuous zone of substantially collimated field of view of the light detectors along the perimeter segment, and the reflected light from objects within the detection zone falling incident upon, and reflected by, the reflective means passes through the condenser lens means and onto at least one of the light detectors, whereby the total amount of the reflected light from objects in the detection zone impinging on the light detectors is increased by the condenser lens means.15. A system for detecting objects within one or more defined volumes of space comprising:a housing module including a perimeter around a defined area;a plurality of light-emitting sources arrayed in combination with the housing module along, and in spaced-apart relation to, at least a segment of the perimeter of the defined area, each of the plurality of light-emitting sources being operative to emit diverging light;a plurality of light detectors arrayed in combination with the housing module along, and in spaced-apart relation to, the perimeter segment of the defined area, each of the plurality of light detectors having a diverging field of view and each of the plurality of light detectors being operative to provide a signal in response to light within the diverging field of view impinging on the light detector;optical means integrated in combination with the housing module in spaced-apart relation with respect to the plurality of light-emitting sources and the plurality of light detectors such that at least a portion of the diverging light emitted by the plurality of light-emitting sources falls incident upon the optical means and is shaped by the optical means to form a substantially continuous zone of substantially collimated light along the perimeter segment of the defined area and at least a portion of the diverging fields of view of the light detectors falls incident upon the optical means and is shaped by the optical means to form a substantially continuous zone of substantially collimated field of view of the light detectors along the perimeter segment of the defined area, wherein the substantially continuous zone of substantially collimated light along the perimeter segment and the substantially continuous zone of substantially collimated field of view of the light detectors along the perimeter segment are substantially coincident; and whereinthe substantially coincident substantially continuous zones of substantially collimated light and substantially collimated field of view of the light detectors along the perimeter segment define a detection zone for the defined area wherein objects within the detection zone reflect the substantially collimated light;wherein at least a portion of the reflected substantially collimated light from objects within the detection zone falls incident upon, and is directed by, the optical means to impinge on at least one of the light detectors,whereby the light detectors illuminated by the reflected substantially collimated light provide the signal in response thereto.16. The system of claim 15 wherein the optical means comprises lens means arranged such that the portion of the diverging light from the light-emitting sources falling incident upon the lens means passes through the lens means to form the substantially continuous zone of substantially collimated light along the perimeter segment, the portion of the diverging fields of view of the light detectors falling incident upon the lens means passes through the lens means to form the substantially continuous zone of substantially collimated field of view of the light detectors along the perimeter segment, and the reflected substantially collimated light from objects within the detection zone falling incident upon the lens means passes through the lens means and onto at least one of the light detectors, whereby the light detectors illuminated by the reflected substantially collimated light provide the signal in response thereto.17. The system of claim 16 wherein the lens means comprises a plurality of lens surface sections arranged along the perimeter segment in one-to-one correspondence with the plurality of light-emitting sources and one-to-one correspondence with the plurality of light detectors,wherein each of the lens surface sections has an optical focus situated within the housing module; and wherein each light-emitting source and each light detector is substantially located at the optical focus of the corresponding lens surface section.18. The system of claim 16 further comprising condenser lens means in spaced-apart relation with respect to the light-emitting sources and the light detectors and the lens means, wherein at least a portion of the diverging light from the light-emitting sources falls incident upon, and passes through, the condenser lens means and onto the lens means, whereby the total amount of the diverging light from the light-emitting sources thus falling incident upon, and passing through, the lens means to form the substantially continuous zone of substantially collimated light along the perimeter segment is increased by the condenser lens means; andwherein at least a portion of the diverging fields of view of the light detectors falls incident upon, and passes through, the condenser lens means and onto the lens means to form the substantially collimated field of view of the light detectors along the perimeter segment, and the reflected substantially collimated light from objects within the detection zone falling incident upon, and passing through, the lens means passes through the condenser lens means and onto at least one of the light detectors, whereby the total amount of the reflected substantially collimated light from objects in the detection zone impinging on the light detectors is increased by the condenser lens means.19. The system of claim 15 wherein the optical means comprises reflective means arranged such that the portion of the diverging light from the light-emitting sources falling incident upon the reflective means is reflected by the reflective means to form the substantially continuous zone of substantially collimated light along the perimeter segment and the portion of the diverging fields of view of the light detectors falling incident upon the reflective means is reflected by the reflective means to form the substantially continuous zone of substantially collimated field of view of the light detectors along the perimeter segment and the reflected substantially collimated light from objects within the detection zone falling incident upon the reflective means is reflected by the reflective means to impinge on at least one of the light detectors, whereby the light detectors illuminated by the reflected light from the reflective means provide the signal in response thereto.20. The system of claim 19 wherein the reflective means comprises a plurality of reflective surface sections arranged in spaced-apart relation with respect to the perimeter segment and in one-to-one correspondence with the plurality of light-emitting sources and one-to-one correspondence with the plurality of light detectors, wherein each of the reflective surface sections has an optical focus situated within the housing module; and whereineach light-emitting source and each light detector is substantially located at the optical focus of the corresponding reflective surface section.21. The system of claim 19 further comprising condenser lens means in spaced-apart relation with respect to the light-emitting sources and the light detectors and the reflective means, whereinat least a portion of the diverging light from the light-emitting sources falls incident upon, and passes through, the condenser lens means and onto the reflective means, whereby the total amount of the diverging light from the light-emitting sources thus failing incident upon and reflected by the reflective means to form the substantially continuous zone of substantially collimated light along the perimeter segment is increased by the condenser lens means; and whereinat least a portion of the diverging fields of view of the light detectors falls incident upon, and passes through, the condenser lens means and onto the reflective means to form the substantially continuous zone of substantially collimated field of view of the light detectors along the perimeter segment, and the reflected substantially collimated light from objects within the detection zone falling incident upon, and reflected by, the reflective means, passes through the condenser lens means and onto the light detectors, whereby the total amount of the reflected substantially collimated light from objects in the detection zone impinging on the light detectors is increased by the condenser lens means.
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