Patent US3381787A successfully refreshed from Google Patents.
US3381787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching system for remote phonograph reproducing unit
Assignee: Wurlitzer Co
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Filing: 1966-04-08
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Granted: 1968-05-07
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Expires: 1986-04-08
Abstract
No abstract record available.
Inventors
- 👤 Fred H Osborne
- 👤 Robert L Pfitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:03
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
244 words
A SWITCHING SYSTEM FOR INTERCONNECTING A COINOPERATED REMOTE PHONOGRAPH REPRODUCING UNIT, INCLUDING LOUDSPEAKER MEANS, WITH A MAIN PHONOGRAPH AT WHICH RECORDS ARE SELECTED AND PLAYED, COMPRISING MOTOR MEANS IN SAID REMOTE UNIT, MOTOR CONTROL MEANS IN SAID REMOTE UNIT CONNECTED TO SAID MOTOR MEANS FOR OPERATING SAID MOTOR MEANS IN PREDETERMINED MANNER AS AN INCIDENT TO THE MAKING OF A SELECTION IN SAID REMOTE UNIT, A CAM IN SAID REMOTE UNIT OPERATIVELY CONNECTED TO SAID MOTOR MEANS, SAID MOTOR CONTROL MEANS STOPPING SAID MOTOR MEANS WITH SAID CAM IN A PREDETERMINED POSITION FOLLOWING THE MAKING OF A SELECTION, AUDIO SWITCH MEANS OPERATIVELY CONNECTED WITH SAID CAM AND CLOSED WITH SAID CAM IN SAID PREDETERMINED POSITION TO INTERCONNECT SAID LOUDSPEAKER MEANS WITH SAID MAIN PHONOGRAPH TO REPRODUCE SOUND FROM SAID MAIN PHONOGRAPH, MOTOR SWITCH MEANS OPERATED BY SAID CAM AND CLOSED WITH SAID CAM IN SAID PREDETERMINED POSITION PARTIALLY TO ESTABLISH A POWER CIRCUIT TO SAID MOTOR MEANS, POWER MEANS IN SAID MAIN PHONOGRAPH, SWITCH MEANS IN SAID MAIN PHONOGRAPH OPEN WHEN SAID MAIN PHONOGRAPH IS OPERATING AND CLOSED WHEN SAID MAIN PHONOGRAPH STOPS OPERATING, AND MEANS INTERCONNECTING SAID MAIN PHONOGRAPH SWITCH MEANS, SAID POWER MEANS, SAID REMOTE UNIT POWER CIRCUIT TO RUN SAID MOTOR MEANS AND THEREBY TO ADVANCE SAID CAM A PREDETERMINED INCREMENT TO OPEN SAID AUDIO SWITCH MEANS AND SAID MOTOR SWITCH MEANS TO DE-ENERGIZE SAID MOTOR MEANS AND TO DE-ACTIVATE SAID LOUDSPEAKER MEANS UPON CLOSING OF SAID MAIN PHONOGRAPH SWITCH MEANS.
Claim 2
Dependent Claim
244 words
A SWITCHING SYSTEM FOR INTERCONNECTING A COINOPERATED REMOTE PHONOGRAPH REPRODUCING UNIT, INCLUDING LOUDSPEAKER MEANS, WITH A MAIN PHONOGRAPH AT WHICH RECORDS ARE SELECTED AND PLAYED, COMPRISING MOTOR MEANS IN SAID REMOTE UNIT, MOTOR CONTROL MEANS IN SAID REMOTE UNIT CONNECTED TO SAID MOTOR MEANS FOR OPERATING SAID MOTOR MEANS IN PREDETERMINED MANNER AS AN INCIDENT TO THE MAKING OF A SELECTION IN SAID REMOTE UNIT, A CAM IN SAID REMOTE UNIT OPERATIVELY CONNECTED TO SAID MOTOR MEANS, SAID MOTOR CONTROL MEANS STOPPING SAID MOTOR MEANS WITH SAID CAM IN A PREDETERMINED POSITION FOLLOWING THE MAKING OF A SELECTION, AUDIO SWITCH MEANS OPERATIVELY CONNECTED WITH SAID CAM AND CLOSED WITH SAID CAM IN SAID PREDETERMINED POSITION TO INTERCONNECT SAID LOUDSPEAKER MEANS WITH SAID MAIN PHONOGRAPH TO REPRODUCE SOUND FROM SAID MAIN PHONOGRAPH, MOTOR SWITCH MEANS OPERATED BY SAID CAM AND CLOSED WITH SAID CAM IN SAID PREDETERMINED POSITION PARTIALLY TO ESTABLISH A POWER CIRCUIT TO SAID MOTOR MEANS, POWER MEANS IN SAID MAIN PHONOGRAPH, SWITCH MEANS IN SAID MAIN PHONOGRAPH OPEN WHEN SAID MAIN PHONOGRAPH IS OPERATING AND CLOSED WHEN SAID MAIN PHONOGRAPH STOPS OPERATING, AND MEANS INTERCONNECTING SAID MAIN PHONOGRAPH SWITCH MEANS, SAID POWER MEANS, SAID REMOTE UNIT POWER CIRCUIT TO RUN SAID MOTOR MEANS AND THEREBY TO ADVANCE SAID CAM A PREDETERMINED INCREMENT TO OPEN SAID AUDIO SWITCH MEANS AND SAID MOTOR SWITCH MEANS TO DE-ENERGIZE SAID MOTOR MEANS AND TO DE-ACTIVATE SAID LOUDSPEAKER MEANS UPON CLOSING OF SAID MAIN PHONOGRAPH SWITCH MEANS.
References Cited (Backward Citations)
US2538358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |