← Back to Patent Explorer
US3317679A Expired / Lapsed US ⏱️ 0.0 years remaining

Video transducing apparatus with tape tensioning lever

Assignee: Loewe Opta GmbH
•
Filing: 1963-04-08
•
Granted: 1967-05-02
•
Expires: 1983-04-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Rank Wolfgang

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 06:34
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60; G11B15/61; G11B15/62

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 90 words
APPARATUS FOR MAGNETIC TAPE RECORDING/REPRODUCING OF TELEVISION SIGNALS COMPRISING A CYLINDER, MEANS FOR DRIVING AND GUIDING SAID TAPE TO, AROUND AND AWAY FROM SAID CYLINDER, A ROTATABLE DISC COAXIALLY MOUNTED WITHIN SAID CYLINDER, A TRANSDUCER UNIT CONNECTED WITH THE PERIPHERY OF SAID DISC, AND A TENSIONING LEVER FOR GUIDING SAID TAPE AWAY FROM SAID CYLINDER AND FOR GUIDING SAID ING AND RELEASING SAID TAPE; SAID TENSIONING LEVER BEING COORDINATED WITH A TIME-DELAY MEMBER RELEASING SAID TENSION OF SAID TAPE ONLY WHEN TAPE AND DRIVING MEANS ARE AT A COMPLETE STANDSTILL.
Claim 2
Dependent Claim 90 words
APPARATUS FOR MAGNETIC TAPE RECORDING/REPRODUCING OF TELEVISION SIGNALS COMPRISING A CYLINDER, MEANS FOR DRIVING AND GUIDING SAID TAPE TO, AROUND AND AWAY FROM SAID CYLINDER, A ROTATABLE DISC COAXIALLY MOUNTED WITHIN SAID CYLINDER, A TRANSDUCER UNIT CONNECTED WITH THE PERIPHERY OF SAID DISC, AND A TENSIONING LEVER FOR GUIDING SAID TAPE AWAY FROM SAID CYLINDER AND FOR GUIDING SAID ING AND RELEASING SAID TAPE; SAID TENSIONING LEVER BEING COORDINATED WITH A TIME-DELAY MEMBER RELEASING SAID TENSION OF SAID TAPE ONLY WHEN TAPE AND DRIVING MEANS ARE AT A COMPLETE STANDSTILL.

References Cited (Backward Citations)

US2919314A Cited
US2975242A Cited
US2998495A Cited
US3231668A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-05-01 1970-10-31 1971-05-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-05-01 1974-10-31 1975-05-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-05-01 1978-10-31 1979-05-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag