Patents
US 11172302 B2: Methods of using headphones with noise cancellation of acoustic noise from tactile vibration driver
- Granted
- 2021-11-09
- Filed
- 2019-10-31 application 16670861
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Methods of operating headphones may involve filtering an input signal into a first filtered input signal and a second filtered input signal utilizing a filter. The second filtered input signal may be sent directly to a tactile vibration driver and tactile vibrations may be produced. A fixed, predetermined inverse transfer function may be applied to the first filtered input signal, generating an anti-wave signal. The anti-wave signal may be summed with the first filtered input signal, generating an output signal. Alternatively, a fixed, predetermined transfer function may be applied to the first filtered input signal, generating a modified input signal. The modified input signal may be subtracted from the first filtered input signal, generating an output signal. Audio sound waves may be produced with an acoustic driver responsive to the output signal, reducing effects of incidental acoustic noise generated by the tactile vibration driver.
Source: PVGPATDIS, file of 2026-04-10 (ipg211109.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Skullcandy, Inc. 126 patents | US company or organization | Park City, UT | SKULLCANDY, INC. State business registration EXACT high confidence: identical full name and state SKULLCANDY, INC. SEC filer EXACT medium confidence: identical full name, one of each nationally | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Branden Sheffield | Saratoga Springs, UT | 10 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H04R | Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; electric hearing aids; public address systems | H04R5/033 | PVGPATDIS, file of 2026-04-10 |
| G10K | Sound-producing devices; methods or devices for protecting against, or for damping, noise or other acoustic waves in general; acoustics not otherwise provided for | G10K11/178 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2024-06-26 | Release of security interest Release of security interest | CRYSTAL FINANCIAL LLC (D/B/A SLR CREDIT SOLUTIONS signed 2024-06-14 | SKULLCANDY, INC. PARK CITY, UT | 67867/318 | PASDL, file of 2026-10-15 |
| 2023-05-01 | Release of security interest Termination of assignment | PNC BANK, NATIONAL ASSOCIATION signed 2023-04-28 | SKULLCANDY, INC. PARK CITY, UT | 63502/910 | PASDL, file of 2026-10-15 |
| 2023-05-01 | Security interest Security interest Security interest | SKULLCANDY, INC. signed 2023-04-28 | CRYSTAL FINANCIAL LLC (D/B/A SLR CREDIT SOLUTIONS) BOSTON, MA | 63501/918 | PASDL, file of 2026-10-15 |
| 2023-04-28 | Security interest Security interest Security interest | SKULLCANDY, INC. signed 2023-04-28 | WELLS FARGO BANK, NATIONAL ASSOCIATION BOSTON, MA | 63489/869 | PASDL, file of 2026-10-15 |
| 2022-03-14 | Correction Corrective assignment to correct the the patent information previously recorded at reel: 055997 frame: 0710. assignor(s) hereby confirms the assignment. | SKULLCANDY, INC. signed 2021-04-14 | PNC BANK, NATIONAL ASSOCIATION PITTSBURGH, PA | 59451/760 | PASDL, file of 2026-10-15 |
| 2021-04-21 | Security interest Security interest Assignment of security interest | SKULLCANDY, INC. signed 2021-04-14 | PNC BANK, NATIONAL ASSOCIATION PITTSBURGH, PA | 55997/703 | PASDL, file of 2026-10-15 |
| 2019-10-31 | Assignment Assignment of assignor's interest | SHEFFIELD, BRANDEN signed 2018-03-13 | SKULLCANDY, INC. PARK CITY, UT | 50885/127 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.