Iswarya et al., 2016 - Google Patents

Classifications

• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q1/00—Details of, or arrangements associated with, aerials
  • H01Q1/12—Supports; Mounting means
  • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
  • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
  • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
  • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
  • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q1/00—Details of, or arrangements associated with, aerials
  • H01Q1/12—Supports; Mounting means
  • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
  • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
  • H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q9/00—Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
  • H01Q9/04—Resonant aerials
  • H01Q9/16—Resonant aerials with feed intermediate between the extremities of the aerial, e.g. centre-fed dipole
  • H01Q9/26—Resonant aerials with feed intermediate between the extremities of the aerial, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
  • H01Q9/27—Spiral aerials
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q1/00—Details of, or arrangements associated with, aerials
  • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
  • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q9/00—Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
  • H01Q9/04—Resonant aerials
  • H01Q9/16—Resonant aerials with feed intermediate between the extremities of the aerial, e.g. centre-fed dipole
  • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q9/00—Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
  • H01Q9/04—Resonant aerials
  • H01Q9/30—Resonant aerials with feed to end of elongated active element, e.g. unipole
  • H01Q9/40—Element having extended radiating surface
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q9/00—Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
  • H01Q9/04—Resonant aerials
  • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING; COUNTING
  • G06K—RECOGNITION OF DATA; 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
  • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
  • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
  • G06K19/07773—Antenna details
  • G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q21/00—Aerial arrays or systems
  • H01Q21/06—Arrays of individually energised active aerial units similarly polarised and spaced apart
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING; COUNTING
  • G06K—RECOGNITION OF DATA; 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
  • G06K19/0723—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q7/00—Loop aerials with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q13/00—Waveguide horns or mouths; Slot aerials; Leaky-waveguide aerials; Equivalent structures causing radiation along the transmission path of a guided wave

Similar Documents