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Title: Stereo pick-up with casing serving as common pole piece

Abstract: A transducer for scanning or cutting disc-shaped record carriers, in which a movable element is omnidirectionally pivotable, one polepiece being provided for each of the two directions of oscillation. A third polepiece provided in common for the two directions of oscillation is formed by the casing of the transducer.


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Inventors: Smit, Elzo (Eindhoven, NL)

Application Number: 559736
Filing Date: 1975-03-19
Publication_date: 1977-06-21
Assignee: U.S. Philips Corporation (New York, NY)
Primary Class(es): 369/146 369/148
Other Classes:
US Patent Ref:
3043920Jul, 1962McConnell179/100.
3055988Sep, 1962Bauer179/100.
3230318Jan, 1966Engel179/100.
3294405Dec, 1966Pritchard179/100.
3299219Jan, 1967Madsen179/100.
3441688Apr, 1969Shaper179/100.
3646279Feb, 1972Stanton179/100.
3761647Sep, 1973Nemoto179/100.

Other Refs:
Primary Examiner: Konick, Bernard
Assistant Examiner: Faber, Alan
Attorney: Trifari; Frank R., Treacy; David R.