Apparatus for removing X-rays and other harmful radiation from visible radiation

An apparatus for housing a cathode ray tube and for conveying an image for visual observation from which harmful electromagnetic radiation has been removed comprising:

• a. image conveying means for conveying by reflectance the visible image originating from a cathode ray tube, said image conveying means being comprised of a material which is reflective of visible radiation and substantially transmissive of electromagnetic radiation of wavelengths shorter than visible radiation;
• b. image receiving means, for receiving the visible image conveyed by said image conveying means, said image receiving means being substantially reflective of visible radiation and substantially transmissive of radiation of wavelengths shorter than visible radiation;
• c. barrier means which encase said cathode ray tube and said image conveying means, said barrier means being adapted to absorb the electromagnetic radiation emitted by said cathode ray tube which is not reflected by said image conveying means;
• d. aperture means in said barrier means through which the visible radiation reflected by said image conveying means is conveyed to said image receiving means;
• and
• e. wherein said image receiving means is mounted external to said barrier means encasement by mounting means having means for adjusting the position of said image receiving means relative to said image transmitting means.

An apparatus which removes harmful radiation from the visible image producing radiation emitted by a cathode ray tube comprising:

• a. image conveying means for conveying by reflectance the visible image originating from a cathode ray tube, said image conveying means being comprised of a reflective layer and an absorptive layer, said reflective layer being substantially reflective of visible electromagnetic radiation and substantially transmissive of electromagnetic radiation of wavelengths shorter than visible radiation, and said absorptive layer being comprised of a material capable of absorbing the electromagnetic radiation transmitted by said reflective layer;
• and
• b. image receiving means for receiving the visible image conveyed by said image conveying means, said image receiving means being substantially reflective of visible electromagnetic radiation and substantially transmissive of electromagnetic radiation of wavelengths shorter than visible radiation;
• and
• c. wherein said conveying means and image receiving means are mounted in a housing, and wherein said housing has means for mounting said housing on a cabinet incorporating a cathode ray tube;
• and wherein said means for mounting said housing includes means for adjusting the vertical alignment of said housing relative to said cathode ray tube and means for adjusting the lateral distance separating said housing from said cathode ray tube.

An apparatus which removes harmful radiation from the visible image producing radiation emitted by a cathode ray tube comprising:

• a. image conveying means for conveying by reflectance the visible image originating from a cathode ray tube, said image conveying means being comprised of a reflective layer and an absorptive layer, said reflective layer being substantially reflective of visible electromagnetic radiation and substantially transmissive of electromagnetic radiation of wavelengths shorter than visible radiation, and said absorptive layer being comprised of a material capable of absorbing the electromagnetic radiation transmitted by said reflective layer;
• and
• b. image receiving means for receiving the visible image conveyed by said image conveying means, said image receiving means being substantially reflective of visible electromagnetic radiation and substantially transmissive of electromagnetic radiation of wavelengths shorter than visible radiation;
• and
• c. wherein the reflective layer of said image conveying member is electrically grounded.

An apparatus which removes harmful radiation from the visible image producing radiation emitted by a cathode ray tube comprising:

• a. image conveying means for conveying by reflectance the visible image originating from a cathode ray tube, said image conveying means being comprised of a reflective layer and an absorptive layer, said reflective layer being substantially reflective of visible electromagnetic radiation of wavelengths shorter than visible radiation, and said absorptive layer being comprised of a material capable of absorbing the electromagnetic radiation transmitted by said reflective layer;
• and
• b. image receiving means for receiving the visible image conveyed by said image conveying means, said image receiving means being substantially reflective of visible electromagnetic radiation and substantially transmissive of electromagnetic radiation of wavelengths shorter than visible radiation;
• and
• c. wherein the reflective layer of said image receiving means is electrically grounded.

An apparatus which removes harmful radiation from the visible image producing radiation emitted from a cathode ray tube comprising:

• a. image conveying means for conveying by reflectance the visible image originating from a cathode ray tube, said image conveying means being comprised of a reflective layer being substantially reflective of visible electromagnetic radiation and substantially transmissive of electromagnetic radiation of wavelengths shorter than visible radiation, and said absorptive layer being comprised of a material capable of absorbing the electromagnetic radiation transmitted by said reflective layer;
• and
• b. image receiving means for receiving the visible image conveyed by said image conveying means, said image receiving means being substantially reflective of visible electromagnetic radiation and substantially transmissive of electromagnetic radiation of wavelengths shorter than visible radiation;
• and
• c. wherein said image conveying means and image receiving means being mounted in a housing and said housing opposes a cathode ray tube, said image conveying means and image receiving means being mounted in said housing by means which permit adjustment of the position of said image conveying means relative to said cathode ray tube, and the position of said image receiving means relative to said image conveying means.

An apparatus which removes harmful radiation from the visible image producing radiation emitted by a cathode ray tube comprising:

• a. a cathode ray tube;
• and
• b. image conveying means for conveying by reflectance the visible image originating from said cathode ray tube, said image conveying means being comprised of a reflective layer and an absorptive layer, said reflective layer being substantially reflective of visible electromagnetic radiation and substantially transmissive of electromagnetic radiation of wavelengths shorter than visible radiation, and said absorptive layer being comprised of a material capable of absorbing the electromagnetic radiation transmitted by said reflective layer;
• said absorptive layer of said image conveying means comprising a harmful radiation absorptive barrier opposite to said cathode ray tube, and
• c. image receiving means for receiving the visible image conveyed by said image conveying means, said image receiving means being substantially reflective of visible electromagnetic radiation and substantially transmissive of electromagnetic radiation of wavelengths shorter than visible radiation.