MINI FLAT ANTENNA SYSTEM

• US 20140266935A1
• Filed: 03/14/2014
• Published: 09/18/2014
• Est. Priority Date: 03/15/2013
• Status: Abandoned Application

• Current Assignee: Senseonics, Incorporated (Senseonics Holdings, Inc.)
• Original Assignee: Senseonics, Incorporated (Senseonics Holdings, Inc.)
• Inventors: Tankiewicz, Szymon
• Application Number:
  US14/212,221
• Publication Number:
  US 20140266935A1
• Time in Patent Office: Days
• US Class Current: 343/720
• CPC Class Codes: H01Q 1/273 Adaptation for carrying or wearing by persons or animals
• CPC Class Codes: H01Q 7/00 Loop antennas 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
• CPC Class Codes: H01Q 7/06 with core of ferromagnetic material H01Q7/02 takes precedence

Abstract

A system for communicating with a subcutaneous sensor includes a transceiver with a flat antenna. The flat antenna may include a cross section in which the height and the width are not equal. The coils of the antenna may be mounted on a substrate, which may be flexible. The flexible substrate may allow the antenna to conform to the contours of body parts, such as arms, wrists, ankles, legs, or waists.

Claims

1. A system for detecting an analyte, comprising:

a sensor including a sensor antenna;

a transceiver including a transceiver antenna configured to couple with said sensor antenna such that said transceiver antenna supplies power to said sensor antenna and transmits and receives information,

wherein said transceiver antenna includes a coil having a cross section including a height and a width, and the height of the coil is smaller than half the size of the width.

2. The system of claim 1, wherein the cross section of the coil is oval shaped.

3. The system of claim 1, wherein the height of the coil is smaller than one-fifth the size of the width.

4. The system of claim 3, wherein the height of the coil is one tenth the width of the coil.

5. The system of claim 3, wherein the height of the coil is one-seventeenth the size of the width.

6. A transceiver configured to power and communicate with a sensor, comprising:

a housing;

a power source; and

at least one antenna including a coil having a cross section including a height and a width, and the height of the coil is smaller than half the size of the width of the coil.

7. The transceiver of claim 6, wherein the cross section of the coil is approximately oval shaped.

8. The transceiver of claim 6, wherein the height of the coil is at least one-fifth the size of the width of the coil.

9. The transceiver of claim 6, wherein the height of the coil is one tenth of the width of the coil or smaller.

10. The transceiver of claim 6, wherein the transceiver includes a plurality of antennas, each of the plurality of antennas including a coil having a cross section with a width smaller than a height, and said plurality of antennas are positioned directly adjacent each other.

11. The transceiver of claim 10, wherein said transceiver includes a controller configured to determine a strength of connection between each antenna of the plurality of antennas and a sensor.

12. The transceiver of claim 11, wherein said controller is configured to supply power only to the antennas of the plurality of antennas with a connection strength that is above a threshold.

13. The transceiver of claim 6, wherein said antenna includes a substrate, and the coil is mounted on the substrate.

14. The transceiver of claim 13, wherein the substrate includes a first end and a second end, and the first end and the second end are bent downwardly.

15. The transceiver of claim 14, wherein the substrate is approximately U-shaped.

16. The transceiver of claim 13, wherein the substrate is flexible.

17. The transceiver of claim 6, wherein the transceiver includes a plurality of antennas, and said plurality of antennas are positioned in an array.