Class G11B : INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
Subclass 3/085: Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor (G11B 11/00 takes precedence) Arrangements of heads Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic means (G11B 3/095 takes precedence)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11335363 | Tonearm device and reproduction device | Sep 17, 19 | May 17, 22 | Panasonic Intellectual Property Management Co., Ltd. |
| 11217271 | Control system for fully automatic turntable | May 14, 21 | Jan 04, 22 | Hanpin Electron Co. Ltd. |
| 11031030 | Automatic tonearm lifter | Sep 10, 20 | Jun 08, 21 | Ya Horng Electronic Co. Ltd.; THORENS GMBH; |
| 10789974 | Tonearm unit and playback device | Oct 23, 17 | Sep 29, 20 | Panasonic Intellectual Property Management Co., Ltd. |
| 10607634 | Light monitoring circuit for a manual to automatic turntable conversion | Nov 03, 18 | Mar 31, 20 | Not available |
| 10141012 | Manual to automatic turntable player conversion | Sep 11, 17 | Nov 27, 18 | Not available |
| 9997175 | Electric arm lifting and turntable's auto-stop assembly of record player | Sep 15, 17 | Jun 12, 18 | Hanpin Electron Co. Ltd. |
| 9741328 | Apparatus for varying the pitch of audible tones driven by a turntable | Jan 20, 16 | Aug 22, 17 | Not available |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0124,443 | TONE ARM AND RECORD PLAYER | Dec 21, 22 | Apr 20, 23 | Ogasawara Precision Laboratory Co., Ltd. |
| 2021/0201,939 | AUTOMATIC TONEARM LIFTER | Sep 10, 20 | Jul 01, 21 | YA HORNG ELECTRONIC CO., LTD.; THORENS GMBH; |
| 2020/0058,321 | TONEARM UNIT AND PLAYBACK DEVICE | Oct 23, 17 | Feb 20, 20 | Not available |
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