US3564904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic holography with color rendition
Assignee: Holotron Corp
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Filing: 1967-12-18
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Granted: 1971-02-23
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Expires: 1987-12-18
Abstract
Abstract A FORM OF ULTRASONIC HOLOGRAPHY IN WHICH MULTIPLE HOLOGRAMS ARE FORMED AT THE ULTRASONIC DETECTOR SURFACE BY UTILIZING ULTRASONIC BEAMS OF DIFFERENT FREQUENCIES. AN IMAGE MAY BE RECONSTRUCTED WITH LIGHT FROM EACH HOLOGRAM FORMED BY DIRECTING THE LIGHT TO THE ULTRASONIC HOLOGRAM AND VIEWING WITH SUITABLE OPTICS THE DIFFRACTED IMAGES. BY CAUSING EACH IMAGE FROM EACH HOLOGRAM TO BE RENDERED IN DIFFERENT COLOR LIGHT AND BY BRINGING TO REGISTER THE DIFFERENT COLORED IMAGES, A MULTICOLORED IMAGE MAY BE VIEWED.
Inventors
- 👤 Byron B Brenden
- 👤 Victor I Neeley
- 👤 David R Hoegger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:19
CPC Classifications
G; G03; G03H; G03H5/00; G03H3/00; Y; Y10; Y10S; Y10S359/00; Y10S359/901
Claims Analysis
Total Claims: 0
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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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |