# US 12,191,561 B1 · Antennas for artificial reality systems

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- Number: US 12,191,561 B1
- Document ID: US12191561B1
- Status: Granted
- Kind: B1
- Application number: 17/866,475
- Filed: 2022-07-16
- Granted: 2025-01-07
- Earliest claimed: 2022-07-16
- Assignees: Meta Platforms Technologies, LLC
- Applicants: Meta Platforms Technologies, LLC
- Inventors: Liang Han; Lijun Zhang; Javier Rodriguez De Luis; Chia-Ching Lin; Meijiao Li
- Web page: https://patentgrep.com/patent/US12191561B1

## CPC

- H01Q 1/273: {Adaptation for carrying or wearing by persons or animals}
- H01Q 1/38: formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142)}
- H01Q 9/30: with feed to end of elongated active element, e.g. unipole (H01Q9/44 takes precedence)
- H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72)

## Abstract

The disclosed system may include an antenna feed that has various electronic components. The system may also include a lens that has one or more layers, and an antenna embedded on at least a portion of the layers of the lens. The antenna may be electrically connected to at least one of the electronic components of the antenna feed. Various other apparatuses, wearable electronic devices, and methods of manufacturing are also disclosed.

## Claims

### Claim 1

A system comprising:
an antenna feed that includes one or more electronic components;
a lens that comprises one or more layers;
an antenna embedded on at least a portion of at least one of the layers of the lens, wherein the antenna is electrically connected to at least one of the electronic components of the antenna feed; and
wherein the at least one of the layers of the lens comprises an eye-tracking laver or an active dimming layer.

### Claim 2 (depends on 1)

The system of claim 1, wherein the eye-tracking layer is formed at least partially using a nonconductive material, and wherein the antenna is at least partially etched into the nonconductive material of the eye-tracking layer.

### Claim 3 (depends on 1)

The system of claim 1, wherein the eye-tracking layer is formed at least partially using a nonconductive material, and wherein the antenna is at least partially printed onto the nonconductive material of the eye-tracking layer.

### Claim 4 (depends on 1)

The system of claim 1, wherein the antenna is formed using a transparent conductive material.

### Claim 5 (depends on 1)

The system of claim 1, wherein the active dimming layer is formed at least partially using a conductive material, and wherein the antenna is at least partially etched into the conductive material of the active dimming layer.

### Claim 6 (depends on 1)

The system of claim 1, wherein the antenna is operated according to one or more specified operating characteristics.

### Claim 7 (depends on 6)

The system of claim 6, wherein at least one of the specified operating characteristics of the antenna comprises a maximum level of total radiated power.

### Claim 8 (depends on 6)

The system of claim 6, wherein at least one of the specified operating characteristics of the antenna comprises a minimum level of directivity.

### Claim 9

A wearable electronic device comprising:
an antenna feed that includes one or more electronic components;
a lens that comprises one or more layers;
an antenna embedded on at least a portion of at least one of the layers of the lens, wherein the antenna is electrically connected to at least one of the electronic components of the antenna feed; and
wherein the at least one of the layers of the lens comprises an eye-tracking laver or an active dimming layer.

### Claim 10 (depends on 9)

The wearable electronic device of claim 9, wherein the lens includes at least two layers including the eye-tracking layer and the active dimming layer.

### Claim 11 (depends on 10)

The wearable electronic device of claim 10, wherein the eye-tracking layer includes the antenna embedded thereon, and wherein the active dimming layer includes a second, different antenna embedded thereon.

### Claim 12 (depends on 9)

The wearable electronic device of claim 9, wherein at least one of the layers of the lens includes a plurality of antennas disposed thereon.

### Claim 13 (depends on 12)

The wearable electronic device of claim 12, wherein the plurality of antennas is distributed over a minimum specified area of the at least one layer of the lens.

### Claim 14 (depends on 12)

The wearable electronic device of claim 12, wherein the plurality of antennas includes a first antenna configured to operate at a first specified frequency, and includes a second antenna configured to operate at a second, different specified frequency.

### Claim 15 (depends on 9)

The wearable electronic device of claim 9, further comprising:
a second antenna feed including one or more electronic components;
a second lens that includes one or more layers; and
a second antenna embedded on at least a portion of at least one of the layers of the second lens, wherein the second antenna is electrically connected to at least one of the electronic components of the second antenna feed.

### Claim 16 (depends on 15)

The wearable electronic device of claim 15, wherein antennas determined to interfere with each other are embedded on different lenses.

### Claim 17 (depends on 15)

The wearable electronic device of claim 15, wherein the antenna comprises at least one of a monopole antenna, a dipole antenna, a slot antenna, a loop antenna, an inverted-F antenna (IFA), or a planar inverted-F antenna (PIFA).

### Claim 18

A method of manufacturing comprising:
providing a lens that comprises one or more layers;
providing an antenna feed that includes one or more electronic components;
embedding an antenna on at least a portion of at least one of the layers of the lens;
electrically connecting the antenna to at least one of the electronic components of the antenna feed; and
wherein the at least one of the layers of the lens comprises an eye-tracking laver or an active dimming layer.
