Wireless communication with dielectric medium
An electronic device may include a dielectric substrate, an electronic circuit supported by the substrate, for processing data, and a communication unit having an antenna. The communication unit may be mounted to the substrate in communication with the electronic circuit for converting between a first EHF electromagnetic signal containing digital information and a data signal conducted by the electronic circuit. The electromagnetic signal may be transmitted or received along a signal path by the antenna. An electromagnetic signal guide assembly may include a dielectric element made of a dielectric material disposed proximate the antenna in the signal path. The electromagnetic signal guide may have sides extending along the signal path. A sleeve element may extend around the dielectric element along sides of the dielectric element. The sleeve element may impede transmission of the electromagnetic signal through the sides of the dielectric element.
1. An electronic device comprising:
a dielectric substrate;
an electronic component disposed on the dielectric substrate and coupled to communicate data with one or more of a plurality of communication units disposed on the dielectric substrate;
a first communication unit coupled to a first transducer disposed on the dielectric substrate, the first transducer configured to convert data received from the electronic component, via the first communication unit, into an electromagnetic signal operating in an extremely high frequency (EHF) band of an electromagnetic frequency spectrum;
a second communication unit coupled to a second transducer disposed on the dielectric substrate, the second transducer configured to convert a received electromagnetic signal operating in the EHF band into data to send to the electronic component, via the second communication unit; and
a sleeve assembly having a first portion surrounding one or more sides of the first communication unit and having a second portion surrounding one or more sides of the second communication unit, the sleeve assembly extending continuously between the first and second portions.
2. The electronic device of claim 1 , further comprising a first electromagnetic signal guide assembly disposed between the first communication unit and the first portion of the sleeve assembly, the first electromagnetic signal guide comprising a first dielectric element composed of a first dielectric material.
3. The electronic device of claim 1 , further comprising a first electromagnetic signal guide assembly disposed between the first communication unit and the first portion of the sleeve assembly, the first electromagnetic signal guide comprising:
a first dielectric element composed of a first dielectric material; and
a first sleeve element extending around the first dielectric element along at least a portion of one or more sides of the first dielectric element, the first sleeve element impeding transmission of electromagnetic energy through the sides of the first dielectric element.
4. The electronic device of claim 3 , wherein the first sleeve element is composed of one of an electrically conductive material, an electromagnetically absorptive material, or an electromagnetically dissipative material.
5. The electronic device of claim 3 , wherein the first sleeve element is composed of a second dielectric material having a dielectric constant that is lower than a dielectric constant of the first dielectric element.
6. The electronic device of claim 1 , further comprising a second electromagnetic signal guide assembly disposed between the second communication unit and the second portion of the sleeve assembly, the second electromagnetic signal guide assembly comprising a second dielectric element composed of a third dielectric material.
7. The electronic device of claim 6 , the second electromagnetic signal guide assembly further comprising a second sleeve element extending around the second dielectric element along at least a portion of sides of the second dielectric element, the second sleeve element impeding transmission of electromagnetic energy through the sides of the second dielectric element.
8. The electronic device of claim 7 , wherein the second sleeve element is composed of one of an electrically conductive material, an electromagnetically absorptive material, or an electromagnetically dissipative material.
9. The electronic device of claim 7 , wherein the second sleeve element is composed of a fourth dielectric material having a dielectric constant that is lower than a dielectric constant of the second dielectric element.
10. The electronic device of claim 1 , wherein the first communication unit comprises a transmitter circuit having an input coupled to receive data from the electronic component and an output coupled to the first transducer.
11. The electronic device of claim 1 , wherein the second communication unit comprises a receiver circuit having an input coupled to the second transducer and an output coupled to send data to the electronic component.
12. The electronic device of claim 1 , wherein at least one of the first communication unit and the second communication unit is a transceiver.
13. The electronic device of claim 1 , wherein the sleeve assembly is comprised of at least one of an electrically conductive material, an electromagnetically absorptive material, and an electromagnetically dissipative material.
14. An electronic device comprising:
a dielectric substrate;
an electronic component disposed on the dielectric substrate and coupled to communicate data with at least one communication unit disposed on the dielectric substrate;
the at least one communication unit coupled to a transducer disposed on the dielectric substrate, the transducer configured to perform at least one of:
converting data received from the electronic component, via the at least one communication unit, into an electromagnetic signal operating in an extremely high frequency (EHF) band of an electromagnetic frequency spectrum; and
converting a received electromagnetic signal operating in the EHF band into data to send to the electronic component, via the at least one communication unit; and
a sleeve assembly surrounding one or more sides of the at least one communication unit.
15. The electronic device of claim 14 , further comprising an electromagnetic signal guide assembly disposed between the at least one communication unit and the sleeve assembly, the electromagnetic signal guide assembly comprising a dielectric element composed of a first dielectric material.
16. The electronic device of claim 15 , the electromagnetic signal guide assembly further comprising a sleeve element extending around the dielectric element along at least a portion of one or more sides of the dielectric element, the sleeve element impeding transmission of electromagnetic energy through the sides of the dielectric element.
17. The electronic device of claim 16 , wherein the sleeve element is composed of at least one of an electrically conductive material, an electromagnetically absorptive material, and an electromagnetically dissipative material.
18. The electronic device of claim 16 , wherein the sleeve element is composed of a second dielectric material having a dielectric constant that is lower than a dielectric constant of the first dielectric element.
19. The electronic device of claim 14 , wherein the at least one communication unit is a transceiver.
20. The electronic device of claim 14 , wherein the sleeve assembly is comprised of at least one of an electrically conductive material, an electromagnetically absorptive material, and an electromagnetically dissipative material.
21. The electronic device of claim 14 , wherein the sleeve assembly is comprised of at least one of an electrically conductive material, an electromagnetically absorptive material, and an electromagnetically dissipative material.
22. An apparatus comprising:
a dielectric substrate;
a communication unit coupled to a transducer disposed on the dielectric substrate, the transducer configured to perform at least one of:
converting data received from an electronic component, via the communication unit, into an electromagnetic signal operating in an extremely high frequency (EHF) band of an electromagnetic frequency spectrum; and
converting a received electromagnetic signal operating in the EHF band into data to send to the electronic component, via the communication unit; and
a sleeve assembly surrounding one or more sides of the communication unit.
23. The apparatus of claim 22 , further comprising:
an electromagnetic signal guide assembly disposed between the communication unit and the sleeve assembly, the electromagnetic signal guide assembly comprising:
a dielectric element composed of a first dielectric material;
a sleeve element extending around the dielectric element along at least a portion of one or more sides of the dielectric element, the sleeve element composed of:
one of an electrically conductive material, an electromagnetically absorptive material, an electromagnetically dissipative material; and
a second dielectric material having a dielectric constant that is lower than a dielectric constant of the first dielectric element.