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G11B3/085- Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers using automatic meansįinally, in a still further embodiment of the invention, the spindle of the latching roller is not completely disengaged from the zero cavity, at least in the latched positions for 33 and 45 r.p.m., and consequently the drum body is constantly subjected to a torsional pretension in the rotating direction towards the zero position by the latching roller which is constantly pressed against it under pretension. ![]() G11B3/08- Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers.of grooves or pits Reproducing by mechanical sensing Record carriers therefor G11B3/00- Recording by mechanical cutting, deforming or pressing, e.g.G11B- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER.239000003795 chemical substances by application Substances 0.000 description 1.230000000977 initiatory Effects 0.000 abstract description 3.230000000875 corresponding Effects 0.000 claims description 2.230000001276 controlling effect Effects 0.000 claims abstract description 12.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to DE2250127A priority Critical patent/DE2250127C3/en Application filed by US Philips Corp filed Critical US Philips Corp Application granted granted Critical Publication of US3907304A publication Critical patent/US3907304A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee US Philips Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US401872A Inventor Kurt Eisemann Current Assignee (The listed assignees may be inaccurate. ![]() Google Patents Switching device, in particular for a record player or changerĭownload PDF Info Publication number US3907304A US3907304A US401872A US40187273A US3907304A US 3907304 A US3907304 A US 3907304A US 401872 A US401872 A US 401872A US 40187273 A US40187273 A US 40187273A US 3907304 A US3907304 A US 3907304A Authority US United States Prior art keywords control device speed diameter positions tab Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. ![]() Google Patents US3907304A - Switching device, in particular for a record player or changer US3907304A - Switching device, in particular for a record player or changer
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