← Back to Patent Explorer
US3224008A Expired / Lapsed US ⏱️ 0.0 years remaining

Spark recording apparatus and method

Assignee: Berkeley Instruments
•
Filing: 1960-08-16
•
Granted: 1965-12-14
•
Expires: 1980-08-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jack S Hawley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 02:34
CPC Classifications
G; G06; G06K; G06K1/00; G06K1/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 128 words
IN A RECORDING APPARATUS FOR RECORDING INFORMATION ON PAPER TAPE, A SUBSTANTIALLY CYLINDRICAL RECORDING HEAD, THE RECORDING HEAD HAVING A PLURALITY OF DISCRETE CONTACT ELEMENTS SPACED LONGITUDINALLY AND CIRCUMFERENTIALLY OF THE RECORDING HEAD AND LYING IN A PLURALITY OF PARALLEL PLANES AT RIGHT ANGLES TO THE LONGITUDINAL AXIS OF THE RECORDING HEAD, MEANS FOR ROTATING THE RECORDING HEAD, MEANS FOR ADVANCING THE TAPE PAST ONE SIDE OF THE RECORDING HEAD, CONDUCTING MEANS MOUNTED ADJACENT TO THE RECORDING HEAD AND THE OTHER SIDE OF THE TAPE AND MEANS FOR APPLYING A VOLTAGE BETWEEN THE CONTACT ELEMENTS AND THE CONDUCTING MEANS TO CREATE ARCING BETWEEN THE CONDUCTING MEANS AND THE RECORDING HEAD TO BURN THE TAPE FOR RECORDING DATA IN A PLURALITY OF CHANNELS SPACED LATERALLY OF THE PAPER TAPE.
Claim 2
Dependent Claim 128 words
IN A RECORDING APPARATUS FOR RECORDING INFORMATION ON PAPER TAPE, A SUBSTANTIALLY CYLINDRICAL RECORDING HEAD, THE RECORDING HEAD HAVING A PLURALITY OF DISCRETE CONTACT ELEMENTS SPACED LONGITUDINALLY AND CIRCUMFERENTIALLY OF THE RECORDING HEAD AND LYING IN A PLURALITY OF PARALLEL PLANES AT RIGHT ANGLES TO THE LONGITUDINAL AXIS OF THE RECORDING HEAD, MEANS FOR ROTATING THE RECORDING HEAD, MEANS FOR ADVANCING THE TAPE PAST ONE SIDE OF THE RECORDING HEAD, CONDUCTING MEANS MOUNTED ADJACENT TO THE RECORDING HEAD AND THE OTHER SIDE OF THE TAPE AND MEANS FOR APPLYING A VOLTAGE BETWEEN THE CONTACT ELEMENTS AND THE CONDUCTING MEANS TO CREATE ARCING BETWEEN THE CONDUCTING MEANS AND THE RECORDING HEAD TO BURN THE TAPE FOR RECORDING DATA IN A PLURALITY OF CHANNELS SPACED LATERALLY OF THE PAPER TAPE.

References Cited (Backward Citations)

US2432303A Cited
US2527599A Cited
US2825621A Cited
US2836651A Cited
US2937064A Cited
US3095569A Cited
US3020118A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-13 1969-06-14 1969-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-13 1973-06-14 1973-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-13 1977-06-14 1977-12-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag