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US3846150A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for producing printed matter containing images and alpha-numerical characters

Assignee: Zellweger Uster AG
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Filing: 1972-07-14
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Granted: 1974-11-05
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Expires: 1992-07-14
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Abstract

Abstract 1. A METHOD OF PRODUCING PRINTED MATTER CONTAINING AT LEAST ONE CODED IMAGE AND AT LEAST ONE ALPHA-NUMERICAL CHARACTER, COMPRISING THE STEPS OF EMPOLYING A CARRIER FOR THE RECEPTION OF LATENT ELECTROSTATIC CHARGE IMAGES, FEEDING SUCH CARRIER IN A PREDETERMINED DIRECTION OF TRAVEL, FORMING ON THE CARRIER AT LATENT ELECTRODES CHARGE IMAGE CORRESPONDING TO SAID CODED IMAGE BY APPLYING VOLTAGE TO PREDETERMINED INDIVIDUAL ELECTRODES ON AN ELECTRODE ARRANGEMENT TO PRODUCE AN ELECTRICAL DISCHARGE FROM SAID ELECTRODE ARRANGEMENT TO THE CARRIER IN ORDER TO FORM A KATENT ELECTROSTATIC CHARGE IMAGE CHARACTERIZING AT LEAST PART OF SAID CODED IMAGE AND CORRESPONDING IN STRUCTURE TO THE ELECTRODES IMPINGED WITH VOLTAGE, AND DURING AT LEAST PART OF THE TIME WHEN SAID LATENT ELECTROSTATIC CHARGE IMAGE CHARACTERIZING AT LEAST PART OF SAID CODED IMAGE IS PRODUCED CARRYING OUT A CHANGE IN THE SPACING BETWEEN THE ELECTODE ARRANGEMENT AND THE CARRRIER IN ORDER TO THEREBY IMPROVE THE QUALITY OF THE ELECTROSTATICALLY PRINTED CODED IMAGE, AND DURING AT LEAST PART OF THE TIME WHEN THE LATENT ELECTROSTATIC CHARGE IMAGE CHARACTERIZING AT LEAST PART OF SAID CODED IMAGE IS PRODUCED CARRYING OUT A RELATIVE ALTERNATE MOVEMENT BETWEEN THE ELECTRODE ARRANGEMENT AND THE CARRIER IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE PLANE OF THE CARRIER SO AS TO PRODUCE THE ELECTROSTATIC CHARGE IMAGE CHARACTERIZING AT LEAST PART OF THE CODED IMAGE AND HAVING A SIZE LARGER THAN THE SIZE OF THE END SURFACES OF THE ENERGIZED INDIVIDUAL ELECTRODES CONFRONTING THE CARRIER FROM WHICH SAID LAST-MENTIONED ELECTROSTATIC CHARGE IMAGE IS PRODUCED, FEEDING THE CARRIER BEARING SAID LATENT ELECTROSTATIC CODED IMAGE PAST WRITTING ELECTRODES OF AN ELECTROSTATIC WRITING MECHANISM, FORMING A LATENT ELECTROSTATIC CHARGE IMAGE CORRESPONDING TO THE DESIRED ALPHA-NUMERICAL CHARACTER ON SAID CARRIER, AND THEREAFTER DEVELOPING BOTH OF THE FORMED LATENT ELECTROSTATIC CHARGE IMAGES WITH TONER PARTICLES.

Inventors

  • 👤 G Forgo
  • 👤 E Meyer
  • 👤 K Moser

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:25
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/32; G03G15/321; G06; G06K; G06K1/00; G06K1/12; G06K1/128; Y; Y10; Y10S; Y10S101/00; Y10S101/37; Y10S430/00; Y10S430/001; Y10S430/102

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 166 words
A METHOD OF PRODUCING PRINTED MATTER CONTAINING AT LEAST ONE CODED IMAGE AND AT LEAST ONE ALPHA-NUMERICAL CHARACTER, COMPRISING THE STEPS OF EMPOLYING A CARRIER FOR THE RECEPTION OF LATENT ELECTROSTATIC CHARGE IMAGES, FEEDING SUCH CARRIER IN A PREDETERMINED DIRECTION OF TRAVEL, FORMING ON THE CARRIER AT LATENT ELECTRODES CHARGE IMAGE CORRESPONDING TO SAID CODED IMAGE BY APPLYING VOLTAGE TO PREDETERMINED INDIVIDUAL ELECTRODES ON AN ELECTRODE ARRANGEMENT TO PRODUCE AN ELECTRICAL DISCHARGE FROM SAID ELECTRODE ARRANGEMENT TO THE CARRIER IN ORDER TO FORM A KATENT ELECTROSTATIC CHARGE IMAGE CHARACTERIZING AT LEAST PART OF SAID CODED IMAGE AND CORRESPONDING IN STRUCTURE TO THE ELECTRODES IMPINGED WITH VOLTAGE, AND DURING AT LEAST PART OF THE TIME WHEN SAID LATENT ELECTROSTATIC CHARGE IMAGE CHARACTERIZING AT LEAST PART OF SAID CODED IMAGE IS PRODUCED CARRYING OUT A CHANGE IN THE SPACING BETWEEN THE ELECTODE ARRANGEMENT AND THE CARRRIER IN ORDER TO THEREBY IMPROVE THE QUALITY OF THE ELECTROSTATICALLY PRINTED CODED IMAGE, AND DURING AT LEAST PART OF THE TIME WHEN
Claim 2
Independent Claim 166 words
A METHOD OF PRODUCING PRINTED MATTER CONTAINING AT LEAST ONE CODED IMAGE AND AT LEAST ONE ALPHA-NUMERICAL CHARACTER, COMPRISING THE STEPS OF EMPOLYING A CARRIER FOR THE RECEPTION OF LATENT ELECTROSTATIC CHARGE IMAGES, FEEDING SUCH CARRIER IN A PREDETERMINED DIRECTION OF TRAVEL, FORMING ON THE CARRIER AT LATENT ELECTRODES CHARGE IMAGE CORRESPONDING TO SAID CODED IMAGE BY APPLYING VOLTAGE TO PREDETERMINED INDIVIDUAL ELECTRODES ON AN ELECTRODE ARRANGEMENT TO PRODUCE AN ELECTRICAL DISCHARGE FROM SAID ELECTRODE ARRANGEMENT TO THE CARRIER IN ORDER TO FORM A KATENT ELECTROSTATIC CHARGE IMAGE CHARACTERIZING AT LEAST PART OF SAID CODED IMAGE AND CORRESPONDING IN STRUCTURE TO THE ELECTRODES IMPINGED WITH VOLTAGE, AND DURING AT LEAST PART OF THE TIME WHEN SAID LATENT ELECTROSTATIC CHARGE IMAGE CHARACTERIZING AT LEAST PART OF SAID CODED IMAGE IS PRODUCED CARRYING OUT A CHANGE IN THE SPACING BETWEEN THE ELECTODE ARRANGEMENT AND THE CARRRIER IN ORDER TO THEREBY IMPROVE THE QUALITY OF THE ELECTROSTATICALLY PRINTED CODED IMAGE, AND DURING AT LEAST PART OF THE TIME WHEN

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-04 1978-05-06 1978-11-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-04 1982-05-06 1982-11-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-04 1986-05-06 1986-11-05 $7700.00 Window Closed / Lapsed

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