Patent US3717945A successfully refreshed from Google Patents.
US3717945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image construction system using multiple arrays of drop generators
Assignee: Eastman Kodak Co
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Filing: 1970-09-08
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Granted: 1973-02-27
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Expires: 1990-09-08
Abstract
Abstract Arrays of laterally spaced orifices, all communicating with a liquid pressure supply, all subjected to vibration at the same frequency to separate the liquid jets into streams of individual drops, provide a system for locating all of the drops with a predetermined space-time correlation by irradiating the drops in space at a predetermined time to make them visible, thus creating variable three dimensional visible shapes for study.
Inventors
- 👤 R Taylor
- 👤 Brimer R Van
- 👤 F Culp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:32
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/07; B41J2/105; G; G09; G09F; G09F13/00; G09F13/24
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
172 words
Display apparatus for controlled placement in space and time of repetitiously generated liquid drops comprising: a plurality of arrays of orifices for generation of a plurality of rows of liquid jets each directed along specific parallel trajectories related to the other jets, liquid supply means providing liquid under pressure to all of said orifices, means for stimulating all of said jets at a common frequency to separate each jet into individual drops, switching means for selective removal of drops from the respective trajectories of said jets, data transfer means for continuous generation of a data matrix in response to a master intelligence input and operative to produce a three-dimensional visible display of said matrix by communication with and control of said switching means, a stroboscopic illumination source arranged to irradiate the liquid jets for direct three-dimensional observation in space of said matrix formed by said unremoveD drops in said jets, and a control incorporated in said data transfer means connected to actuate said illumination source in synchronized relation with said switching means.
Claim 2
Dependent Claim
172 words
Display apparatus for controlled placement in space and time of repetitiously generated liquid drops comprising: a plurality of arrays of orifices for generation of a plurality of rows of liquid jets each directed along specific parallel trajectories related to the other jets, liquid supply means providing liquid under pressure to all of said orifices, means for stimulating all of said jets at a common frequency to separate each jet into individual drops, switching means for selective removal of drops from the respective trajectories of said jets, data transfer means for continuous generation of a data matrix in response to a master intelligence input and operative to produce a three-dimensional visible display of said matrix by communication with and control of said switching means, a stroboscopic illumination source arranged to irradiate the liquid jets for direct three-dimensional observation in space of said matrix formed by said unremoveD drops in said jets, and a control incorporated in said data transfer means connected to actuate said illumination source in synchronized relation with said switching means.
Claim 3
Independent Claim
144 words
The method of creating a three-dimensional display pattern in space by selective spatial and positional control over a large number of small liquid drops, comprising the steps of a. generating a plurality of rows of liquid jets all directed along parallel trajectories in space, b. stimulating each of such jets at a common frequency to cause each jet to break into individual drops having related positions in space, c. switching selected ones of said drops from their respective trajectories and removing such drops from the system and thus causing the remaining drops periodically to from a pattern of predetermined three-dimensional configuration, an d. irradiating the remaining drops at predetermined time intervals coordinated with the stimulating frequency and the switching to make a plurality of the drops simultaneously visible at the instant when such drops form a three-dimensional pattern in a selected region in space.
Claim 4
Independent Claim
144 words
The method of creating a three-dimensional display pattern in space by selective spatial and positional control over a large number of small liquid drops, comprising the steps of a. generating a plurality of rows of liquid jets all directed along parallel trajectories in space, b. stimulating each of such jets at a common frequency to cause each jet to break into individual drops having related positions in space, c. switching selected ones of said drops from their respective trajectories and removing such drops from the system and thus causing the remaining drops periodically to from a pattern of predetermined three-dimensional configuration, an d. irradiating the remaining drops at predetermined time intervals coordinated with the stimulating frequency and the switching to make a plurality of the drops simultaneously visible at the instant when such drops form a three-dimensional pattern in a selected region in space.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |