Patent Number: 
Section: claims

1. A radiant energy emitting device, comprising:an outer housing including at least one aperture there through, the housing being operationally configured to (1) receive and contain radiant energy therein, and (2) emit radiant energy out through the aperture to a target surface;an energy emission means; anda sensor means disposed along the entire perimeter of the aperture of the housing, the sensor means being in communication with the energy emission means and operationally configured to detect the spatial relationship between the sensor means and the target surface along the perimeter of the aperture,said spatial relationship determining activation of the energy emission means. 2. The device of claim 1, wherein the sensor means includes a projected field sensor. 3. The device of claim 2, wherein the sensor means is a projected capacitive sensor. 4. The device of claim 2, wherein the sensor means is operationally configured to detect the target surface through a non-electrically conductive medium. 5. The device of claim 2, wherein the sensor means is a continuous sensor having a void there through. 6. The device of claim 2, wherein the sensor means is operationally configured to allow for passage of radiant energy there through. 7. The device of claim 1, wherein the sensor means includes a proximity sensor. 8. The device of claim 1, wherein the sensor means is a continuous sensor having a void there through. 9. The device of claim 8, wherein the perimeter of the void is about equal in length to the perimeter of the aperture. 10. The device of claim 1, further comprising a manual energy activation means for activating energy emission of the device. 11. The device of claim 1, wherein the sensor means is operationally configured for unattenuated radiant energy emission during device operation. 12. The device of claim 1, including a pistol-type grip having, a trigger means for activating energy emission of the device. 13. The device of claim 1, wherein the device is operationally configured to receive radiant energy from light-emitting diodes. 14. A device for emitting radiant energy onto a target surface, comprising:an outer housing including at least one aperture there through;an energy source for generating radiant energy, the energy source being in communication with the housing;an activation means in communication with the energy source; anda sensor means disposed along the entire perimeter of the aperture of the housing, the sensor means being in communication with the activation means and operationally configured to detect the spatial relationship between the sensor means and the target surface along the perimeter of the aperture, said spatial relationship determining, operation of the activation means; wherein the housing is operationally configured to emit radiant energy out through the aperture to the target surface. 15. The device of claim 14, wherein the sensor means includes a projected held sensor. 16. The device of claim 15, wherein the sensor means is operationally configured to detect the target surface through a non-electrically conductive medium. 17. The device of claim 14, wherein the radiant energy has a wavelength from about 10 nm to about 400 nm. 18. A method for delivering radiant energy to a target surface while preventing unintended radiant energy emission, comprising:providing a radiant, energy emitting device, comprising (A) an outer housing including at least one aperture there through, the housing being operationally configured to (1) receive and contain radiant energy therein, and (2) emit radiant energy out through the aperture to a target surface;(8) an energy emission means; and (C) a sensor means disposed about the entire aperture of the housing, the sensor means being in communication with the energy emission means and operationally configured to detect the spatial relationship between the sensor means and the target surface 360 degrees along the perimeter of the aperture, said spatial relationship determining activation of the energy emission means;directing the device toward a target surface until the sensor means detects the spatial relationship between the sensor means and the target surface; andactivating the energy emission means for delivering radiant energy to the target surface. 19. The method of claim 18 wherein the radiant energy is provided by light-emitting diodes. 20. The method of claim 18 wherein radiant energy is delivered in an auto-dosage-sequence. 21. The method of claim 18 wherein the sensor means includes a projected field sensor.