← Back to Patent Explorer
US3352162A Expired / Lapsed US ⏱️ 0.0 years remaining

Means for and method of detecting rotation

Assignee: Avco Manufacturing Corp
•
Filing: 1958-10-29
•
Granted: 1967-11-14
•
Expires: 1978-10-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Thomas G Hart

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 12:29
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/56; G01C19/5698; G01H; G01H17/00; G10; G10K; G10K11/00

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 88 words
IN A ROTATION SENSOR, A MEDIUM, A PAIR OF PIEZOELECTRIC TRANSDUCERS ASSOCIATED WITH SAID MEDIUM FOR ESTABLISHING A STANDING ACOUSTIC WAVE THEREIN, PIEZOELECTRIC DETECTOR TRANSDUCER IN COMMUNICATION WITH SAID MEDIUM, SAID DETECTOR TRANSDUCER BEING PARALLEL TO THE STANDING WAVE FOR DETECTING FORCES RESULTING FROM INTERACTION BETWEEN ROTATION AND LOCAL MOVEMENTS OF THE MEDIUM DUE TO THE STANDING WAVE, SAID ROTATION HAVING A COMPONENT AT RIGHT ANGLES TO SAID LOCAL MOVEMENTS, AND ELECTRONIC CIRCUIT MEANS FOR DRIVING SAID FIRST NAMED TRANSDUCERS AND DETECTING THE OUTPUT OF SAID DETECTOR TRANSDUCER.

References Cited (Backward Citations)

US2490452A Cited
US2683596A Cited
US2683247A Cited
US2836737A Cited
US2753469A Cited
US2880333A Cited
US2874568A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-11-13 1971-05-15 1971-11-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-11-13 1975-05-15 1975-11-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-11-13 1979-05-15 1979-11-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag