US 6,492,957 B2 · Close-proximity radiation detection device for determining radiation shielding device effectiveness and a method therefor

Abstract

A radiation detection device for locally detecting radiation of RF energy emissions from close proximity direct line-of-sight electromagnetic fields emitted by a wireless transmit/receive electronic equipment antenna 22 or body 21 such as a cellular telephone, in miniature/planar design form with suitable embedding form-factoring fashioned arrangement capability joined with radiation shielding devices. Said radiation detection device operates without prerequisite need for a battery or external power source, operationally self-powered by the embodiments of this invention when exposed to electromagnetic field radiation of predetermined thresholding energy level setting for the user's own personal alerting verification and assessment means of suitable predetermined radiation detection measurement tester coupling to radiation shielding devices to encompass an overall shield effectiveness system solution in real-time monitoring response fashion operation.

Claims29

Dependent claims

A radiation detection device employing a simple and low parts count in lightweight thin miniature construction form and generally planar with suitable embedding and non-embedding fashion means for coupling or joining in predetermined coplanar fashion means with radiation shielding devices either permanently attached or optional not permanently attached configuration, without prerequisite need for a power source, said radiation detection device comprising of functional electrical circuit block arrangements of:

an antenna means,
a first conductive transmission means,
a crystal detector means,
a second conductive transmission means,
a stimulus indicator means, and
an optional auxiliary signal processing means,
where said functional electrical circuit block arrangements are connected in predetermined serial electrical block node configuration or cascading block node configuration for operational means of providing protective alertive detection, verification and real-time response monitoring assessment of potential harmful electromagnetic field (EMF) energy exposure,
whereby said radiation detection device design form, fit, and function does not alter or hinder the functional operation of radiation shielding devices.

5 more elements

A integrated shield detection device to provide combined functions of radiation monitoring detection means and shielding protection means from electromagnetic field (EMF) radiated emission, said integrated shield detection device is comprising of:

a subcomponent radiation detection device, and
a subcomponent radiation shielding device,
joined together in predetermined fashion to provide the user with overall shield effectiveness system solution for assessment means for determining radiation shielding arrangement device operational capability and functional reliability in a continuous personal monitoring mode fashion with verifying indication means of protective coverage from EMF energy exposure level intensity.

A method for shielding effectiveness figure-of-merit measure using a radiation detection device to provide measure rating for shielding effectiveness of integrated shield detection devices including subcomponent radiation shielding devices and radiation shielding devices from energy radiated electromagnetic fields (EMF) at predetermined spatial location points of said radiation shielding devices, said subcomponent radiation shielding devices and said integrated shield detection device, said method comprising the steps of:

measuring a means for providing a first relative reference calibration measuring means for normal and proper radiation detection operation thereby providing EMF energy measurement takened as to simulate a reference level without shielding in place,
measuring a means for providing a second relative reference calibration measuring means for indication of proper sensing by radiation detection device on the perspective blocking side of the radiation shielding device thereby providing an EMF energy measurement takened with shielding in place,
performing interpretive formula expression calculation of the decibel value rating comprising the ratio equating formula of electromagnetic field strength takened without and with shielding in place,
wherein the formula expression of said decibel value rating specification is alternatively restated in magnitude value rating specification for ease of the user's shielding effectiveness measure and interpretation,
whereby said method provide means of close-proximity protective alerting measure from EMF radiation source exposure as a verification device indicator means to aid the user's own personal verification of operational RF detection verification and shielding effectiveness figure of merit from potentially harmful direct line-of-sight of electromagnetic fields emanating from a wireless transmit/receive electronic equipment antenna or chassis body.

2 more elements

Dependencies are inferred from the claim text.

Close-proximity radiation detection device for determining radiation shielding device effectiveness and a method therefor

Life of this patent

Close-proximity radiation detection device for determining radiation shielding device effectiveness and a method therefor

Life of this patent

Abstract

Claims29