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US 7,890,053 B2Granted
Communication system
AssigneeSony Corporation
InventorTakanori Washiro
Life of this patent
Estimating the term…
Abstract
A communication system includes a transmitter including a transmission circuit unit that generates an RF signal for transmitting data and an electric-field-coupling antenna that transmits the RF signal as an electrostatic field, a receiver including an electric-field-coupling antenna and a reception circuit unit that subjects an RF signal received by the electric-field-coupling antenna to reception processing, and a surface-wave propagating means for providing a surface wave transmission line made of a conductor that propagates a surface wave radiated from the electric-field-coupling antenna of the transmitter along a surface of the surface wave transmission line.
Claims18
A communication system comprising:
- a transmitter including a transmission circuit unit that generates an RF signal for transmitting data and an electric-field-coupling antenna that transmits the RF signal as an electrostatic field;
- a receiver including an electric-field-coupling antenna and a reception circuit unit that subjects an RF signal received by the electric-field-coupling antenna to reception processing;
- and
- surface-wave propagating means for providing a surface wave transmission line made of a conductor that propagates a surface wave radiated from the electric-field-coupling antenna of the transmitter along a surface of the surface wave transmission line,
- wherein the surface wave transmission line is attached with, at least at one end thereof, an EFC electrode for electrostatic coupling with the electric-field-coupling antenna of the transmitter or the receiver to be substantially perpendicular to a traveling direction of the surface wave.
2 more elements
A communication system comprising:
- a transmitter including a transmission circuit unit that generates an RF signal for transmitting data and an electric-field-coupling antenna that transmits the RF signal as an electrostatic field;
- a receiver including an electric-field-coupling antenna and a reception circuit unit that subjects an RF signal received by the electric-field-coupling antenna to reception processing;
- surface-wave propagating means for providing a surface wave transmission line made of a conductor that propagates a surface wave radiated from the electric-field-coupling antenna of the transmitter along a surface of the surface wave transmission line;
- and
- plural communication spots in which the transmitter and the receiver are set,
- wherein the surface-wave propagating means includes a surface wave transmission line for transmitting a surface wave of an RF signal from the transmitter to the plural communication spot in which the receiver is set.
3 more elements
A communication system comprising:
- a transmitter including a transmission circuit unit that generates an RF signal for transmitting data and an electric-field-coupling antenna that transmits the RF signal as an electrostatic field;
- a receiver including an electric-field-coupling antenna and a reception circuit unit that subjects an RF signal received by the electric-field-coupling antenna to reception processing;
- and
- surface-wave propagating means for providing a surface wave transmission line made of a conductor that propagates a surface wave radiated from the electric-field-coupling antenna of the transmitter along a surface of the surface wave transmission line,
- wherein in the transmitter, an RF signal transmission path that transmits the RF signal generated by the transmission circuit unit is connected to substantially a center of an electrode of the electric-field-coupling antenna via a resonating section that resonates at a predetermined frequency, and
- wherein in the receiver, an RF signal transmission path that transmits the RF signal to the reception circuit unit to substantially a center of an electrode of the electric-field-coupling antenna via a resonating section that resonates at a predetermined frequency.
3 more elements
A communication apparatus comprising:
- a transmitter including a transmission circuit unit that generates an RF signal for transmitting data to a receiver and an electric-field-coupling antenna that transmits the RF signal as an electrostatic field;
- and
- surface-wave propagating unit for providing a surface wave transmission line made of a conductor that propagates a surface wave radiated from the electric-field-coupling antenna of the transmitter along a surface of the surface wave transmission line,
- wherein the surface wave transmission line is attached with, at least at one end thereof, an EFC electrode for electrostatic coupling with the electric-field-coupling antenna of the transmitter to be substantially perpendicular to a traveling direction of the surface wave.
1 more element
A communication system comprising:
- a transmitter including a transmission circuit unit that generates an RF signal for transmitting data to a receiver and an electric-field-coupling antenna that transmits the RF signal as an electrostatic field;
- surface-wave propagating unit for providing a surface wave transmission line made of a conductor that propagates a surface wave radiated from the electric-field-coupling antenna of the transmitter along a surface of the surface wave transmission line;
- and
- plural communication spots in which the transmitter and the receiver can be set,
- wherein the surface-wave propagating unit includes a surface wave transmission line for transmitting a surface wave of an RF signal from the transmitter to the plural communication spots in which the receiver can be set.
2 more elements
A communication apparatus comprising:
- a transmitter including a transmission circuit unit that generates an RF signal for transmitting data to a receiver and an electric-field-coupling antenna that transmits the RF signal as an electrostatic field;
- and
- surface-wave propagating unit for providing a surface wave transmission line made of a conductor that propagates a surface wave radiated from the electric-field-coupling antenna of the transmitter along a surface of the surface wave transmission line,
- wherein in the transmitter, an RF signal transmission path that transmits the RF signal generated by the transmission circuit unit is connected to substantially a center of an electrode of the electric-field-coupling antenna via a resonating section that resonates at a predetermined frequency.
1 more element
Dependencies are inferred from the claim text.