Asynchronous brain computer interface in AR using steady-state motion visual evoked potential

A method and system are disclosed using steady-state motion visual evoked potential stimuli in an augmented reality environment. Requested stimuli data are received from a user application on a smart device. Sensor data and other context data are also received, where other context data includes data that is un-sensed. The requested stimuli data are transformed into modified stimuli based on the sensor data, and the other context data. Modified stimuli and environmental stimuli are presented to the user with a rendering device configured to mix the modified stimuli and the environmental stimuli, thereby resulting in rendered stimuli. Biosignals generated in response to the rendered stimuli are received from the user to a wearable biosignal sensing device. Received biosignals are classified based on the modified stimuli, resulting in a classified selection, which is returned to the user application.

The abstract as published by the patent office, from US2022326771A1. It describes the invention; it is not a statement of what is protected.

• Interface and electrodes

  Electrodes and arrays

• Signal processing

  Signal processing

• Decoding

  Neural decoding

What the filing appears to be about, read by published rules from its title, abstract and classification codes (A61B5/291, A61B5/378, A61B5/7267, G06F2218/12, G06F3/015). The claims define what a patent protects, and they are not read here.

Interface and electrodes

Everything downstream works with what the contacts pick up. Their number, size and distance from the neurons set the ceiling on the signal. The problem behind it: more contacts, closer to neurons, that still record after years in tissue that reacts to them.

Signal processing

A decoder is only as good as the features it is given, and recordings drift and pick up noise from movement, muscle and stimulation. The problem behind it: stable features from signals that change from day to day, computed fast enough to act on.

Decoding

This is the step that turns brain activity into a command or a word. Its accuracy and speed are what a user experiences. The problem behind it: accuracy that holds over months without frequent recalibration, for more than one user and one task.

Why the layer matters to the field, not a judgement of this filing. A patent family shows that protection was sought. It does not show that the technology was built, is used in a product, or works in people. The whole stack

One invention, published 10 times in 6 offices. Each publication opens in Espacenet.

• CanadaCA3214642A113 Oct 2022
• United StatesUS2022326771A113 Oct 2022US12008162B211 Jun 2024 · grantUS20240288940A129 Aug 2024
• International (PCT)a route to several countries, not a countryWO2022214969A113 Oct 2022
• South KoreaKR20230162116A28 Nov 2023KR102920039B128 Jan 2026 · grant
• European Patent Officea route to several countries, not a countryEP4320500A114 Feb 2024
• JapanJP2024518267A1 May 2024JP7691211B211 Jun 2025 · grant

1. 5 Apr 2021First filingEarliest priority, at United States. The family is counted in this year.
2. 5 Apr 2022ApplicationsFiled at Canada, United States, International (PCT), South Korea, European Patent Office, Japan.
3. 15 Apr 2022Owner recordedUnited States, on US2022326771A1: assignment; owner named: COGNIXION CORPORATION, CALIFORNIA.
4. 13 Oct 2022First publicationCA3214642A1, Canada.
5. 3 May 2024ApplicationFiled at United States.
6. 11 Jun 2024Grant publishedUS12008162B2, United States.
7. 27 May 2025Office recordSouth Korea, on KR20230162116A: notification of reason for refusal.
8. 11 Jun 2025Grant publishedJP7691211B2, Japan.
9. 28 Jan 2026Grant publishedKR102920039B1, South Korea.

Dates as the offices published them. Office records are in the offices' own words and are a selection: refusals, lapses and withdrawals, and records that name an owner. Each concerns one member of the family, not the family as a whole, and another member in the same office may stand. Whether a patent is in force today is not assessed.

Organisation

Cognixion · 11 families identified

Use case

Consumer

• Bibliographic data, family members and office records: European Patent Office, Open Patent Services (the DOCDB and INPADOC databases), read 7 Oct 2026.
• The record itself, with its claims and description: US2022326771A1 in Espacenet
• Counted as a BCI patent family: title or abstract names the field; classified G06F3/015 (input arrangements based on nervous-system activity); filed by 코그니션 코포레이션, an organisation already in the graph; cites a family already accepted. How families are found and judged