Vinyl record player automatic stop and lift tonearm structure
US12322418B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 2, 2024 |
| Grant date | Jun 3, 2025 |
| Priority date | — |
| Expiry date | May 2, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B3/085
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a vinyl record player automatic stop and lift tonearm structure. The vinyl record player includes a turntable for placing a record and a base for installing a tonearm. The base includes an inner shaft portion arranged thereon. The tonearm includes a rotating shaft portion correspondingly assembled on the inner shaft portion. The base includes a sensor provided on the inner shaft portion. The tonearm includes a magnetic element arranged on a circumference of the rotating shaft portion and corresponding with the sensor. The base includes a bracket assembled thereon for installing the tonearm. The bracket has a central shaft connected to an electromagnetic unit and an elastic member. The electromagnetic unit is electrically controlled to drive the bracket down to link the tonearm, and the electromagnetic unit to release the bracket and use the compression force of the elastic member to lift the bracket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.