US3906478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sleep preventing device
Assignee: Individual
•
Filing: 1974-05-30
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Granted: 1975-09-16
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Expires: 1994-05-30
Abstract
Abstract A hollow shallow cylindrical member is provided with a clip for detachably securing the member to an ear of a driver of a vehicle or other user. The member transmits external noise to the ear and is also provided with a battery powered buzzer turned on by a normally open mercury containing tilt switch when the user''s head tilts forward, sideways or backward at an angle of at least 40*. The noise of the buzzer prevents the user from falling asleep.
Inventors
- 👤 John L Smey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:00
CPC Classifications
G; G08; G08B; G08B21/00; G08B21/02; G08B21/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
118 words
A sleep prevention device, comprising: A HOLLOW SHALLOW CYLINDRICAL MEMBER HAVING AN INNER FLAT PERFORATED SURFACE AND AN OUTER SURFACE IN THE FORM OF A SOUND COLLECTING DIAPHRAGM; EAR ENGAGING MEANS SECURED TO THE INNER SURFACE AND DESIGNED TO DETACHABLY ENGAGE AN EAR OF THE USER TO SECURE THE MEMBER THERETO, WHEREBY SOUND MAY BE COLLECTED BY THE DIAPHRAGM AND TRANSFERRED TO THE EAR VIA THE MEMBER WITHOUT BEING BLOCKED; A BATTERY IN THE MEMBER; AN ELECTRIC BUZZER IN THE MEMBER; AND A NORMALLY OPEN MERCURY CONTAINING TILT SWITCH IN THE MEMBER CONNECTED IN SERIES WITH THE BATTERY AND BUZZER AND BEING CLOSED WHEN THE HEAD OF THE USER TILTS AT LEAST 40* WITH RESPECT TO THE VERTICAL.
Claim 2
Dependent Claim
118 words
A sleep prevention device, comprising: A HOLLOW SHALLOW CYLINDRICAL MEMBER HAVING AN INNER FLAT PERFORATED SURFACE AND AN OUTER SURFACE IN THE FORM OF A SOUND COLLECTING DIAPHRAGM; EAR ENGAGING MEANS SECURED TO THE INNER SURFACE AND DESIGNED TO DETACHABLY ENGAGE AN EAR OF THE USER TO SECURE THE MEMBER THERETO, WHEREBY SOUND MAY BE COLLECTED BY THE DIAPHRAGM AND TRANSFERRED TO THE EAR VIA THE MEMBER WITHOUT BEING BLOCKED; A BATTERY IN THE MEMBER; AN ELECTRIC BUZZER IN THE MEMBER; AND A NORMALLY OPEN MERCURY CONTAINING TILT SWITCH IN THE MEMBER CONNECTED IN SERIES WITH THE BATTERY AND BUZZER AND BEING CLOSED WHEN THE HEAD OF THE USER TILTS AT LEAST 40* WITH RESPECT TO THE VERTICAL.
Claim 3
Dependent Claim
47 words
The device of claim 1 furthEr including a manually operable on-off switch disposed in series with the tilt switch, battery and buzzer, the manual switch being disposed inside the member and having a control button extending out of an opening in the side wall of the member.
References Cited (Backward Citations)
US2754497A
Cited
US2910679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-15 | 1979-03-17 | 1979-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-15 | 1983-03-17 | 1983-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-15 | 1987-03-17 | 1987-09-16 | $7700.00 | Window Closed / Lapsed |