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US3265387A Expired / Lapsed US ⏱️ 0.0 years remaining

Supervisory device for supervising a sheet stack of a sheet printing press

Assignee: Roland Offsetmaschinenfabrik Faber and Schleicher AG
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Filing: 1964-10-16
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Granted: 1966-08-09
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Expires: 1984-10-16
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Abstract

No abstract record available.

Inventors

  • 👤 Alix Hans
  • 👤 Schuhmann Siegfried

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 08:34
CPC Classifications
G; G01; G01B; G01B17/00; B; B65; B65H; B65H1/00; B65H1/08; B65H1/18

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 148 words
A DEVICE SUPERVISING THE HEIGHT OF A STACK OF SHEETS FOR USE IN A SHEET PRINTING PRESS, SAID DEVICE COMPRISING AN ULTRASONIC SENSOR CONSTITUTING A TRANSMITTER FOR DIRECTING AN ULTRASONIC BEAM UPON ONE SIDE OF THE STACK TO BE SUPERVISED, MEANS FOR MOUNTING SAID TRANSMITTER ADJACENT TO BUT SPACED APART FROM SAID SIDE OF THE STACK, MEANS FOR SUPPLYING ELECTRIC ENERGY TO THE SENSOR, A SECOND ULTRASONIC SENSOR CONSTITUTING A RECEIVER FOR RECEIVING SOUND ENERGY REFLECTED BY SAID SIDE OF THE STACK, MOUNTING MEANS FOR MOUNTING SAID RECEIVER ADJACENT TO BUT SPACEWD APART FROM SAID SIDE OF THE STACK, AMPLIFYING MEANS CONNECTED TO SAID SECOND SENSOR AND CONTROLLED BY THE MAGNITUDE OF THE SOUND ENERGY RECEIVED BY SAID SENSOR, AND CONTROL MEANS CONNECTED IN CIRCUIT WITH SAID AMPLIFYING MEANS AND OPERATED IN RESPONSE TO A DEPARTURE OF THE MAGNITUDE OF THE REFLECTED SOUND ENERGY FROM A PREDETERMINED VALUE.
Claim 2
Independent Claim 148 words
A DEVICE SUPERVISING THE HEIGHT OF A STACK OF SHEETS FOR USE IN A SHEET PRINTING PRESS, SAID DEVICE COMPRISING AN ULTRASONIC SENSOR CONSTITUTING A TRANSMITTER FOR DIRECTING AN ULTRASONIC BEAM UPON ONE SIDE OF THE STACK TO BE SUPERVISED, MEANS FOR MOUNTING SAID TRANSMITTER ADJACENT TO BUT SPACED APART FROM SAID SIDE OF THE STACK, MEANS FOR SUPPLYING ELECTRIC ENERGY TO THE SENSOR, A SECOND ULTRASONIC SENSOR CONSTITUTING A RECEIVER FOR RECEIVING SOUND ENERGY REFLECTED BY SAID SIDE OF THE STACK, MOUNTING MEANS FOR MOUNTING SAID RECEIVER ADJACENT TO BUT SPACEWD APART FROM SAID SIDE OF THE STACK, AMPLIFYING MEANS CONNECTED TO SAID SECOND SENSOR AND CONTROLLED BY THE MAGNITUDE OF THE SOUND ENERGY RECEIVED BY SAID SENSOR, AND CONTROL MEANS CONNECTED IN CIRCUIT WITH SAID AMPLIFYING MEANS AND OPERATED IN RESPONSE TO A DEPARTURE OF THE MAGNITUDE OF THE REFLECTED SOUND ENERGY FROM A PREDETERMINED VALUE.

References Cited (Backward Citations)

US2639150A Cited
US2833540A Cited
US3172075A Cited
US3110009A Cited
US3149561A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-08 1970-02-07 1970-08-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-08 1974-02-07 1974-08-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-08 1978-02-07 1978-08-09 $7700.00 Window Closed / Lapsed

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