← Back to Patent Explorer
US3217993A Expired / Lapsed US ⏱️ 0.0 years remaining

Control system for recording apparatus

Assignee: Individual
•
Filing: 1957-03-01
•
Granted: 1965-11-16
•
Expires: 1977-03-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James T Blakistone

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 00:48
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 225 words
A RECORDING SYSTEM OF THE CHARACTER DESCRIBED, RECORDING MEDIA TRANSPORT MEANS, A SINGLE FOUR-POSITION SWITCH HAVING ONLY A STOP POSITION, A RUN POSITION, A REWIND POSITION AND A FAST FORWARD POSITION, MEANS EFFECTIVE WHEN SAID SWITCH IS IN A STOP POSITION FOR RENDERING SAID TRANSPORT MEANS INEFFECTIVE, MEANS EFFECTIVE WHEN SAID SWITCH IS IN ITS RUN POSITION FOR OPERATING SAID TRANSPORT MEANS SO THAT THE RECORDING MEDIA TRANSPORTED THEREBY MOVES IN A FORWARD DIRECTION AT A RELATIVELY SLOW SPEED FOR RECORDING AND REPRODUCTION PURPOSES, MEANS EFFECTIVE WHEN SAID SWITCH IS IN ITS FAST FORWARD POSITION FOR OPERATING SAID TRANSPORT MEANS SO THAT THE RECORDING MEDIA TRANSPORTED THEREBY MOVES IN SAID FORWARD DIRECTION AT A RELATIVELY FAST SPEED, MEANS EFFECTIVE WHEN SAID SWITCH IS IN ITS REWIND POSITION FOR OPERATING SAID TRANSPORT MEANS SO THAT THE RECORDING MEDIA TRANSPORTED THEREBY IS TRANSPORTED AT A RELATIVELY HIGH SPEED IN A BACKWARD DIRECTION, A SECOND MANUALLY OPERABLE SWITCH, MEANS NORMALLY EFFECTIVE TO REPRODUCE A RECORDING WHEN THE FIRST MENTIONED SWITCH IS IN ITS RUN POSITION, MEANS OPERATED UPON OPERATION OF SAID SECOND SWITCH FOR DISABLING THE LAST MENTIONED MEANS AND FOR PRODUCING A RECORDING ON THE RECORDING MEDIA, AND MEANS EFFECTIVE AFTER SAID OPERATION OF SAID SECOND SWITCH FOR PREVENTING OPERATION OF SAID LAST MENTIONED MEANS WHEN SAID FIRST SWITCH IS MOVED BETWEEN ITS RUN AND OFF POSITIONS.
Claim 2
Dependent Claim 225 words
A RECORDING SYSTEM OF THE CHARACTER DESCRIBED, RECORDING MEDIA TRANSPORT MEANS, A SINGLE FOUR-POSITION SWITCH HAVING ONLY A STOP POSITION, A RUN POSITION, A REWIND POSITION AND A FAST FORWARD POSITION, MEANS EFFECTIVE WHEN SAID SWITCH IS IN A STOP POSITION FOR RENDERING SAID TRANSPORT MEANS INEFFECTIVE, MEANS EFFECTIVE WHEN SAID SWITCH IS IN ITS RUN POSITION FOR OPERATING SAID TRANSPORT MEANS SO THAT THE RECORDING MEDIA TRANSPORTED THEREBY MOVES IN A FORWARD DIRECTION AT A RELATIVELY SLOW SPEED FOR RECORDING AND REPRODUCTION PURPOSES, MEANS EFFECTIVE WHEN SAID SWITCH IS IN ITS FAST FORWARD POSITION FOR OPERATING SAID TRANSPORT MEANS SO THAT THE RECORDING MEDIA TRANSPORTED THEREBY MOVES IN SAID FORWARD DIRECTION AT A RELATIVELY FAST SPEED, MEANS EFFECTIVE WHEN SAID SWITCH IS IN ITS REWIND POSITION FOR OPERATING SAID TRANSPORT MEANS SO THAT THE RECORDING MEDIA TRANSPORTED THEREBY IS TRANSPORTED AT A RELATIVELY HIGH SPEED IN A BACKWARD DIRECTION, A SECOND MANUALLY OPERABLE SWITCH, MEANS NORMALLY EFFECTIVE TO REPRODUCE A RECORDING WHEN THE FIRST MENTIONED SWITCH IS IN ITS RUN POSITION, MEANS OPERATED UPON OPERATION OF SAID SECOND SWITCH FOR DISABLING THE LAST MENTIONED MEANS AND FOR PRODUCING A RECORDING ON THE RECORDING MEDIA, AND MEANS EFFECTIVE AFTER SAID OPERATION OF SAID SECOND SWITCH FOR PREVENTING OPERATION OF SAID LAST MENTIONED MEANS WHEN SAID FIRST SWITCH IS MOVED BETWEEN ITS RUN AND OFF POSITIONS.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-15 1969-05-17 1969-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-15 1973-05-17 1973-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-15 1977-05-17 1977-11-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag