US3389218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic facsimile system
Assignee: Cavitron Ultrasonics Inc
•
Filing: 1963-12-23
•
Granted: 1968-06-18
•
Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Balamuth Lewis
- 👤 Kleesattel Claus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:19
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/12; H04N1/16; H04N1/024; H04N1/032; H04N1/0323
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
100 words
IN A FACSIMILE REPRODUCTING SYSTEM, A SCANNING DRUM HAVING A RAISED HELIX EXTENDING RADIALLY OUTWARD FROM ITS PERIPHERAL SURFACE, A RECORD SHEET MAINTAINED IN CONTACT WITH SAID RAISED HELIX, A PRESSURE BLADE MOUNTED ADJACENT SAID RECORD SHEET, AND MEANS COUPLED TO SAID PRESSURE BLADE AND RESPONSIVE TO AN ELECTRICAL SIGNAL PULSE TO VIBRATE SAID PRESSURE BLADE AT A FREQUENCY IN THE ULTRASONIC RANGE TO URGE SAID RECORD SHEET AGAINST SAID HELIX WITH SUBSTANTIAL FORCE THEREBY PRODUCING AN IMPRINT ON SAID SHEET, THE COMPLIANCE OF SAID SCANNING DRUM AND HELIX BEING GREATER THAN THAT OF SAID PRESSURE BLADE AND MOUNTING MEANS.
Claim 2
Dependent Claim
100 words
IN A FACSIMILE REPRODUCTING SYSTEM, A SCANNING DRUM HAVING A RAISED HELIX EXTENDING RADIALLY OUTWARD FROM ITS PERIPHERAL SURFACE, A RECORD SHEET MAINTAINED IN CONTACT WITH SAID RAISED HELIX, A PRESSURE BLADE MOUNTED ADJACENT SAID RECORD SHEET, AND MEANS COUPLED TO SAID PRESSURE BLADE AND RESPONSIVE TO AN ELECTRICAL SIGNAL PULSE TO VIBRATE SAID PRESSURE BLADE AT A FREQUENCY IN THE ULTRASONIC RANGE TO URGE SAID RECORD SHEET AGAINST SAID HELIX WITH SUBSTANTIAL FORCE THEREBY PRODUCING AN IMPRINT ON SAID SHEET, THE COMPLIANCE OF SAID SCANNING DRUM AND HELIX BEING GREATER THAN THAT OF SAID PRESSURE BLADE AND MOUNTING MEANS.
Claim 3
Dependent Claim
99 words
FOR USE IN FACSIMILE REPRODUCING APPARATUS, A SCANNING DRUM COMPRISING A CYLINDRICAL MEMBER ADAPTED TO BE ROTATED ABOUT ITS AXIS, A HELICAL GROOVE FORMED IN THE PERIPHERAL SURFACE OF SAID MEMBER, RESILIENT STRIP MEANS MOUNTED IN SAID GROOVE HAVING A RAISED PORTION ON ITS OUTER SURFACE EXTENDING SUBSTANTIALLY THE ENTIRE LENGTH THEREOF TO PROVIDE A HELICAL RIDGE EXTENDING RADIALLY OUTWARD OF THE PERIPHERAL SURFACE OF SAID DRUM, SAID STRIP MEANS PROVIDING WITHIN SAID GROOVE AN HERMETICALLY SEALED CHAMBER SUBSTANTIALLY COEXTENSIVE WITH SAID HELICAL RIDGE, AND VARIABLE PRESSURE MEANS WITHIN SAID CHAMBER FOR CONTROLLING THE COMPLIANCE OF SAID HELICAL RIDGE.
Claim 4
Dependent Claim
99 words
FOR USE IN FACSIMILE REPRODUCING APPARATUS, A SCANNING DRUM COMPRISING A CYLINDRICAL MEMBER ADAPTED TO BE ROTATED ABOUT ITS AXIS, A HELICAL GROOVE FORMED IN THE PERIPHERAL SURFACE OF SAID MEMBER, RESILIENT STRIP MEANS MOUNTED IN SAID GROOVE HAVING A RAISED PORTION ON ITS OUTER SURFACE EXTENDING SUBSTANTIALLY THE ENTIRE LENGTH THEREOF TO PROVIDE A HELICAL RIDGE EXTENDING RADIALLY OUTWARD OF THE PERIPHERAL SURFACE OF SAID DRUM, SAID STRIP MEANS PROVIDING WITHIN SAID GROOVE AN HERMETICALLY SEALED CHAMBER SUBSTANTIALLY COEXTENSIVE WITH SAID HELICAL RIDGE, AND VARIABLE PRESSURE MEANS WITHIN SAID CHAMBER FOR CONTROLLING THE COMPLIANCE OF SAID HELICAL RIDGE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |