← Back to Patent Explorer
US3359904A Expired / Lapsed US ⏱️ 0.0 years remaining

Piezoelectric projectile fuze

Assignee: Honeywell Inc
•
Filing: 1966-07-05
•
Granted: 1967-12-26
•
Expires: 1986-07-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Nerheim Eldon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:54
CPC Classifications
F; F42; F42C; F42C11/00; F42C11/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 174 words
ELECTRICAL SIGNAL PRODUCING MEANS RESPONSIVE TO THE IMPACT OF A PROJECTILE WITH ITS TARGET, SAID SIGNAL PRODUCING MEANS COMPRISING: A FIRST PIEZOELECTRIC CRYSTAL; MEANS CONNECTED TO SAID FIRST CRYSTAL TO GENERATE ENERGY FOR CRYSTAL ACTIVATION IN RESPONSE TO THE SETBACK FORCE PRODUCED IN THE LAUNCHING OF THE PROJECTILE; AN ELECTRIC ENERGY STORAGE MEANS CONNECTED TO SAID FIRST PIEZOELECTRIC CRYSTAL TO RECEIVE AND STORE THE ELECTRIC ENERGY GENERATED BY SAID FIRST CRYSTAL: OUTPUT MEANS; SWITCHING MEANS HAVING A FIRST TERMINAL CONNECTED TO SAID ELECTRIC ENERGY STORAGE MEANS, A SECOND TERMINAL TO SAID OUTPUT MEANS, AND FURTHER HAVING CONTROL TERMINAL; A SECOND PIEZOELECTRIC CRYSTAL; MEANS CONNECTED TO SAID SECOND CRYSTAL FOR COMPRESSING SAID SECOND CRYSTAL AND GENERATING AN ELECTRIC SIGNAL IN RESPONSE TO THE IMPACT OF THE PROJECTILE WITH THE TARGET; AND MEANS CONNECTING SAID SECOND CRYSTAL TO SAID CONTROL ELECTRODE OF SAID SWITCHING MEANS, WHEREBY SAID SWITCHING MEANS IS OPERATED IN RESPONSE TO THE ELECTRIC SIGNAL GENERATED BY SAID SECOND CRYSTAL TO DIRECT THE ELECTRIC ENERGY STORED IN SAID STORAGE MEANS TO SAID OUTPUT MEANS.
Claim 2
Dependent Claim 174 words
ELECTRICAL SIGNAL PRODUCING MEANS RESPONSIVE TO THE IMPACT OF A PROJECTILE WITH ITS TARGET, SAID SIGNAL PRODUCING MEANS COMPRISING: A FIRST PIEZOELECTRIC CRYSTAL; MEANS CONNECTED TO SAID FIRST CRYSTAL TO GENERATE ENERGY FOR CRYSTAL ACTIVATION IN RESPONSE TO THE SETBACK FORCE PRODUCED IN THE LAUNCHING OF THE PROJECTILE; AN ELECTRIC ENERGY STORAGE MEANS CONNECTED TO SAID FIRST PIEZOELECTRIC CRYSTAL TO RECEIVE AND STORE THE ELECTRIC ENERGY GENERATED BY SAID FIRST CRYSTAL: OUTPUT MEANS; SWITCHING MEANS HAVING A FIRST TERMINAL CONNECTED TO SAID ELECTRIC ENERGY STORAGE MEANS, A SECOND TERMINAL TO SAID OUTPUT MEANS, AND FURTHER HAVING CONTROL TERMINAL; A SECOND PIEZOELECTRIC CRYSTAL; MEANS CONNECTED TO SAID SECOND CRYSTAL FOR COMPRESSING SAID SECOND CRYSTAL AND GENERATING AN ELECTRIC SIGNAL IN RESPONSE TO THE IMPACT OF THE PROJECTILE WITH THE TARGET; AND MEANS CONNECTING SAID SECOND CRYSTAL TO SAID CONTROL ELECTRODE OF SAID SWITCHING MEANS, WHEREBY SAID SWITCHING MEANS IS OPERATED IN RESPONSE TO THE ELECTRIC SIGNAL GENERATED BY SAID SECOND CRYSTAL TO DIRECT THE ELECTRIC ENERGY STORED IN SAID STORAGE MEANS TO SAID OUTPUT MEANS.

References Cited (Backward Citations)

US2505042A Cited
US2970545A Cited
US2991716A Cited
US2934017A Cited
GB909549A Cited
GB944961A Cited
US3101054A Cited
US3200749A Cited
US3225695A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-12-25 1971-06-26 1971-12-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-12-25 1975-06-26 1975-12-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-12-25 1979-06-26 1979-12-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag