US3258533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ear-insert microphone
Assignee: Spacelabs Medical Inc
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Filing: 1962-10-16
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Granted: 1966-06-28
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Expires: 1982-10-16
Abstract
No abstract record available.
Inventors
- 👤 Alan D Bredon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:54
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/46; H04R1/08; H04R1/083; H04R1/10; H04R1/1016; H04R2420/00; H04R2420/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
APPARATUS FOR TRANSFORMING SPEED INTO ELECTRICAL SIGNALS COMPRISING: A UNITARY PLASTIC EAR MOLD ADAPTED TO CONFORM TO THE OUTER EAR AND THEREBY BLOCK THE TRANSMISSION OF AMBIENT SOUND TO THE MIDDLE EAR, AND HAVING PORJECTION MEANS FOR RETAINING SAID MOLD IN THE AURICLE OF SAID OUTER EAR; AN ENCLOSURE OF RESILIENT MATERIAL LOCATED WITHIN SAID EAR MOLD; MICROPHONE MEANS LOCATED WITHIN AND SUBSTANTIALLY SURROUNDED BY SAID RESILIENT ENCLOSURE; A CONDUIT DEFINING A SOUND PASSAGE FOR ACOUSTICALLY COUPLING SAID MICROPHONE MEANS WITH THE DUCT LEADING TO SAID MIDDLE EAR, VIA AN APERTURE IN SAID ENCLOSURE WHEREBY SAID APPARATUS IS RESPONSIVE ONLY TO THE VOICE OF THE WEARER; AND CONDUCTOR MEANS EXTENDING FROM SAID MICROPHONE MEANS WHEREBY SAID MICROPHONE MEANS MAY BE CONNECTED TO A UTILIZATION CIRCUIT.
Claim 2
Dependent Claim
125 words
APPARATUS FOR TRANSFORMING SPEED INTO ELECTRICAL SIGNALS COMPRISING: A UNITARY PLASTIC EAR MOLD ADAPTED TO CONFORM TO THE OUTER EAR AND THEREBY BLOCK THE TRANSMISSION OF AMBIENT SOUND TO THE MIDDLE EAR, AND HAVING PORJECTION MEANS FOR RETAINING SAID MOLD IN THE AURICLE OF SAID OUTER EAR; AN ENCLOSURE OF RESILIENT MATERIAL LOCATED WITHIN SAID EAR MOLD; MICROPHONE MEANS LOCATED WITHIN AND SUBSTANTIALLY SURROUNDED BY SAID RESILIENT ENCLOSURE; A CONDUIT DEFINING A SOUND PASSAGE FOR ACOUSTICALLY COUPLING SAID MICROPHONE MEANS WITH THE DUCT LEADING TO SAID MIDDLE EAR, VIA AN APERTURE IN SAID ENCLOSURE WHEREBY SAID APPARATUS IS RESPONSIVE ONLY TO THE VOICE OF THE WEARER; AND CONDUCTOR MEANS EXTENDING FROM SAID MICROPHONE MEANS WHEREBY SAID MICROPHONE MEANS MAY BE CONNECTED TO A UTILIZATION CIRCUIT.
References Cited (Backward Citations)
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US2946862A
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |