Classifications

• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
  • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
  • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
  • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
  • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
  • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
  • G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
  • G06K19/07318—Means for preventing undesired reading or writing from or onto record carriers by hindering electromagnetic reading or writing
  • G06K19/07327—Passive means, e.g. Faraday cages
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K9/00—Screening of apparatus or components against electric or magnetic fields

Definitions

• the invention relates to luggage, file containers, bags, wrappings, stationery
• Accessory clothing such as wallets, luggage, briefcases, handbags, leather
• holding smaller papers are typically designed at a size that fits in a pocket, so the owner
• Radio frequency identification (RF-ID) technology is being rapidly adopted
• RF-ID utilizes "tags" comprised of an
• integrated circuit having data storage thereon, coupled to an antenna for receiving and
• Tags may be active, i.e., they may have a power supply such as a
• ID tags are attractive for many identification purposes because they can be read from short
• RF-ID tags may be placed on inventory
• RF-ID is also now being proposed for use in document and file tracking.
• RF-ID tag or even tagging each document, for tracking and identification purposes.
• serial numbers and model identifiers and from that identify manufacturing quantities of a competitor; it may further be possible to obtain shipping information such as
• RF-ID may aid thieves in identifying containers
• vehicle registration documents such devices may become a target of identity thieves, e.g.,
• RF-E tagged documents and files may reveal confidential
• conductive materials such as conductive paper, paperboard or plastic
• a pliable conductive sheet may be incorporated into a pliable conductive sheet
• paper sheets may be pliable, they may be incorporated into a passport wallet without
• a conductive plastic may be made transparent, and
• conductors may be incorporated into a variety of other products such as wallets; purses; shopping bags; gift or package wrapping papers; mail bags; briefcases; file folders including
• the conductive plastic may be any suitable material.
• the conductive plastic may be any suitable material.
• conductive material may be any suitable material.
• entire sheet may be of conductive material or the sheet may have a multi-part structure, one
• the sheet has sufficient adhesive to be secured over the top of
• the sheet may be wholly or partly transparent or translucent to permit visual
• Another aspect of the invention features an RF-ID jammer or disabler.
• jammer is usable in locations where the use of RF-ID is to be precluded, such as on loading
• the jammer can be enabled except
• RF-ID radio signals on the frequency normally used by an RF-ID interrogator, creating interference that prevents an interrogator from reading the tags.
• the disabler is useable
• Fig. 1 is an envelope incorporating conductive material
• Fig. 2 is an oversized envelope incorporating conductive material
• Fig. 3 is an alternative oversized envelope incorporating conductive
• Fig. 4 is a courier package incorporating conductive material
• Fig. 5 is an alternative courier package incorporating conductive material
• Fig. 6 is a passport wallet incorporating conductive material
• Fig. 7 is a package wrapped with a wrapping incorporating conductive
• Fig. 8 is a package with an RF-ID tag covered by an adhesive-backed
• Fig. 9 is a document with an RF-ID tag that has been enclosed on its front
• Fig. 10 is a government-originated document with an RF-E ) tag that has
• Fig. 11 is a briefcase incorporating conductive material
• Fig. 12 is an expandible file folder incorporating conductive material
• Fig. 13 is a purse or carry-on bag incorporating conductive material
• Fig. 14 is a wallet incorporating conductive material
• Fig. 15 is a filing cabinet incorporating, or having a drawer or compartment
• Fig. 16 is a conductive tarpaulin that may be draped over or surrounding a
• Fig. 17 is a conductive drapery that may be closed over a window to
• RF-ID used for RF-ID include 125-134 kHz, 13.56 MHz, UHF frequencies in the range of 400-
• tagged papers or products is blocked by forming a Faraday cage of conductive material(s)
• a Faraday cage may be formed around an
• a Faraday cage refers to any conductive
• the cage must enclose the protected object
• a Faraday cage may be formed of solid
• wavelength of radiation may be computed by dividing the frequency of the radiation into the
• radiation has a wavelength of about 20 meters.
• an effective Faraday cage can be formed by a typical business or
• Faraday cage may be created using metals or non-metallic conductors such as pliable
• Conductive materials e.g., conductive plastics and conductive papers.
• Conductive plastics and papers are well known in the art, and are typically formed by coating a substrate with
• conductive materials such as Aluminum, and/or embedding conductivity inducing materials,
• a substrate such as polypropylene fiber or paper or glass
• a conductive paperboard made as such by the inclusion of carbon-black.
• plastics and conductive materials including specifically military standard MEL-PRF-
• plastic material is typically translucent, that is, any coatings thereon are not typically at such
• This military standard also defmes Type I material, typically having a 1 ohm per square surface resistance, generally
• Type I material is often opaque owing to the thickness of coatings
• copper or silver may be used, and achieve reductions in
• Aluminum coated, closed enclosures, are typically sufficient for preventing substantial RF
• FIG. 1 a first embodiment of the invention is illustrated in which a
• standard business sized envelope 10 is formed of a conductive paper, conductive plastic
• Envelope 10 is sized to
• the document 12 contains an RF ID tag 14 the contents of which are to be
• envelope 10 may be made of pliable conductive material.
• envelope 10 forms a Faraday cage enclosing
• an interoffice clasp style envelope is utilized as a Faraday cage shield.
• Envelope 16 is again formed of a conductive material, and is sized to receive a standard
• Flap 22 connected to envelope 16 is
• envelope 16 closed over the opening of envelope 16 to form a Faraday cage, effective in shielding RF E) interrogation of tag 20.
• the closure of envelope 16 may take any variety of forms, such
• clasps or clips or, as illustrated, a string 24 to be wrapped about a closure bobbin 26.
• yet another embodiment of the invention is an envelope 28
• envelope 28 has a flap 34 which bears an RF ID tag 32.
• Adhesive 36 may be a conductive adhesive so that an effective conductive
• connection is made between flap 34 and the body of envelope 28 when adhesive 36 is
• Conductive adhesives may also be used another sizes and styles
• Conductive adhesive may, or may not, be used,
• a shipping container such as are commonly used by courier services, is formed of
• non-metallic pliable conductive material in this case rigid conductive cardboard.
• parcel container is designed to have some measure of rigidity.
• parcel container is designed to have some measure of rigidity.
• 40 may be made available by the courier service, ready for labeling and shipment, as is
• container may have a flap 42 bearing a
• parcel 46 bearing an RF ID tag 48 may be placed in container 40 in a conventional manner,
• the envelope 50 is formed of a pliable or rigid conductive material to shield a
• Figs. 1-3 may be used in conjunction with a conventional (non-conductive) courier service
• shielded /O items or wrapping papers or enclosures described herein may be sold or
• conductive packages include an area 45 and 55 sized for placement of a courier service air
• pliable conductive material may be incorporated into
• a passport As illustrated in Fig. 6 a passport
• wallet 60 may be lined with or formed of in part of conductive materials such as conductive
• the passport may contain a photograph 64 as well as an RF ID tag 66.
• Another surface of passport 62 may include VISAs or other markings of
• the photograph 64 are visible, even while the passport is retained within the wallet. This
• conductive material is translucent in part, such as may be accomplished using conductive
• a parcel containing an RF ID tag 70 may be packaged for
• a pliable conductive material e.g. conductive plastic or conductive paper or
• Conductive tapes or adhesives may be advantageously
• ID tag 70 from interrogation can be formed in this way regardless of the size of packages.
• Fig. 16 illustrates an alternative of this concept in which a conductive
• tarpaulin 74 is draped over a package bearing an RF-ID tag 70 to shield the tag from
• a conductive sheet 82 e.g., a sheet of metallic, of paper or
• plastic material that is rendered adhesive by a layer of adhesive attached to one side thereof
• immunity to interrogation may be provided to RF DD tag 80.
• conductive sheets 82 bearing adhesive in areas 84 may
• RF ID tag 80 also be used to encapsulate an RF ID tag 80, found on a document or other thin item.
• a first sheet 82' is placed on the front side of the document or thin item
• the adhesive sheets utilized in this manner may take on a variety of sizes and shapes, ranging from a sufficient size to encapsulate an entire document such as an 8.5 x 11
• Fig. 10 illustrates an embodiment in which such sheets are relatively
• Vehicle registration certificate 90 is of the kind that would be typically found in the glove
• a combination of suitably sized RF ID shielding sheets 82 could be
• plastic RF ID sheets may potentially be made transparent or translucent so that they shield
• RF ID tag side of a location of RF ID tag may protect the passport RF ID tag from interrogation while
• conductive may be conductive as well, or may be nonconductive.
• Fig. 11 illustrates a bundle of papers 92 bearing one or more RF ID tags 94 to
• Fig. 11 a conventional briefcase or attache case is lined
• ID tag 94 may also be shielded while inside what appears to be a typical file folder, because
• Fig. 12 illustrates an expendable folder style folder made of a conductive
• File folder 96 has a top
• flap 98 which may be folded over the top of folder to form a conductive enclosure and thus
• RF ID tag 102 may be shielded when placed inside of a handbag, purse or carry-on bag
• conductive material such as pliable conductive paper or
• closing the bag about an object may form a Faraday cage and shield the object from unwanted interrogation.
• the same principle may be applied to other soft or
• hard sided luggage not limited to briefcases and handbags as shown in Figs. 11 and 13.
• a man's or woman's wallet 106 may be lined or formed partially of conductive
• an RF ID shielded wallet may
• this window 112 may be utilized to form this window 112 thus providing RF ID shielding even while
• the transparent or translucent section 112 may be incorporated into wallet
• Fig. 15 illustrates a
• file cabinet 110 which may be made from wood or another nonconductive building material,
• Such a cabinet in accordance with principles of present invention maybe lined or formed partly of conductive material thus
• Fig. 17 illustrates the use of a cloaking drapery 116 to protect an interior
• Such cloaks or draperies may be used to
• cloaks may be used to cordon a portion of the building such as a room or secure area to
• Such cloaks can be permanently installed
• Cloaks or temporary cloaking screens can be set upon racking, or hung on
• windows may be cloaked by conductive
• plastic films of the types earlier described which can be opaque, translucent or transparent.
• Such may be used for shielding in offices, hotels and private homes.
• conductive paints or other liquids that can be used to form a conductive Faraday cage barrier around an object to be protected; e.g., a clear coat of conductive material maybe

Landscapes

• Engineering & Computer Science (AREA)
• Computer Hardware Design (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Physics & Mathematics (AREA)
• General Engineering & Computer Science (AREA)
• Computer Security & Cryptography (AREA)
• Electromagnetism (AREA)
• Power Engineering (AREA)
• General Physics & Mathematics (AREA)
• Theoretical Computer Science (AREA)
• Credit Cards Or The Like (AREA)
• Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
• Packages (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (2)

Family

ID=37215500

Family Applications (1)

Country Status (7)

Cited By (2)

Families Citing this family (58)

Citations (7)

Family Cites Families (41)

• 2005
  • 2005-04-26 US US11/114,696 patent/US20060254815A1/en not_active Abandoned
• 2006
  • 2006-04-26 CN CNA2006800220518A patent/CN101213894A/zh active Pending
  • 2006-04-26 CA CA002606089A patent/CA2606089A1/en not_active Abandoned
  • 2006-04-26 JP JP2008509111A patent/JP2008539530A/ja active Pending
  • 2006-04-26 EP EP06769897A patent/EP1875791A4/en not_active Withdrawn
  • 2006-04-26 AU AU2006241095A patent/AU2006241095A1/en not_active Abandoned
  • 2006-04-26 WO PCT/US2006/015988 patent/WO2006116588A2/en not_active Ceased

Patent Citations (7)

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