Electro-acoustic transducer with resistance to shock-waves

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic

Reexamination Certificate

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Details

C381S418000, C381S412000

Reexamination Certificate

active

10089861

ABSTRACT:
A transducer comprising a pair of spaced magnets at least partially forming a tunnel having a central axis. A coil having a first and a second side wall and an upper and a lower wall at least partially forms the tunnel. A reed having a central portion extends through the tunnel. The reed has a stationary end, a deflection end, and a tip portion which lies at least partially between the magnets, wherein the reed is mounted for deflection towards or away from the respective magnets.

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patent: 551 182 (1922-05-01), None
patent: 564 941 (1923-04-01), None

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