US3983801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed printer
Assignee: Oki Electric Industry Co Ltd
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Filing: 1975-03-14
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Granted: 1976-10-05
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Expires: 1995-03-14
Abstract
Abstract A high speed printer for printing desired letters, figures, signs, etc., on a paper by depositing ink particles on the paper after properly controlling ink droplets or selectively controlling corpuscles, characterized in that at least one ink mist passage is provided at a location closely adjacent to the surface of ink solution. An air feed port also is provided for introducing air into said ink mist passage after the air passes the ink mist source or its vicinity so that the produced ink mist will flow into said ink mist passage without forming any small convection.
Inventors
- 👤 Akinori Watanabe
- 👤 Katsuhide Tanoshima
- 👤 Matsusaburo Noguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:41
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/215; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
176 words
A high speed printer for printing symbols comprising a printing paper on which said symbols are printed, ink being deposited on said paper by charging ink drops and selectively electrically controlling said ink drops, said ink drops being formed from an ink mist, said ink mist being supplied to the vicinity of said printing paper under control of an air flow stream through an ink mist passage, an ink reservoir containing said ink and a plurality of vibrators for vibrating said ink to form an ink mist above the top of the surface of the ink and a source of air flow for carrying said ink mist to the vicinity of said printing paper through said ink mist passage, characterized in that said ink mist passage is formed of a surface having one end thereof in close proximate relation to said surface of the ink and an air feed port is provided to carry said air to the vicinity of said surface of the ink to carry the ink mist directly into said ink mist passage.
Claim 2
Dependent Claim
176 words
A high speed printer for printing symbols comprising a printing paper on which said symbols are printed, ink being deposited on said paper by charging ink drops and selectively electrically controlling said ink drops, said ink drops being formed from an ink mist, said ink mist being supplied to the vicinity of said printing paper under control of an air flow stream through an ink mist passage, an ink reservoir containing said ink and a plurality of vibrators for vibrating said ink to form an ink mist above the top of the surface of the ink and a source of air flow for carrying said ink mist to the vicinity of said printing paper through said ink mist passage, characterized in that said ink mist passage is formed of a surface having one end thereof in close proximate relation to said surface of the ink and an air feed port is provided to carry said air to the vicinity of said surface of the ink to carry the ink mist directly into said ink mist passage.
Claim 3
Dependent Claim
38 words
A high speed printer as set forth in claim 1, wherein said ink mist passage comprises a plurality of parallel separated chambers, with one end each of said chambers being in close proximate relation to said ink surface.
Claim 4
Dependent Claim
29 words
A high speed printer as set forth in claim 2, comprising a plurality of vibrators, with respective ones of said vibrators being located below respective ones of said chambers.
Claim 5
Dependent Claim
49 words
A high speed printer as set forth in claim 1, wherein said ink mist passage comprises a plurality of vertically oriented channels, said channels being formed of a plurality of vertically extending parallel baffle members defining said separate channels said ink mist being carried through said plurality of channels.
Claim 6
Dependent Claim
46 words
A high speed printer as set forth in claim 1, wherein said ink mist passage comprises a vertically oriented block containing a plurality of separate chambers arrayed vertically in matrix form with the bottom of the block being in close proximate relation to said ink surface.
Claim 7
Dependent Claim
104 words
A high speed printer as set forth in claim 1, wherein said ink reservoir comprises a dome-shaped mist distributor provided with a passage at its top and a flange around a pertinent peripheral part thereof, and a mist generator provided with a plurality of said vibrators at its bottom and an air inlet pipe at an upper peripheral part thereof, both said mist distributor and said mist generator being combined together by placing the flange of said mist distributor on the top end of said mist generator, with the bottom end of said mist distributor being positioned close to the surface of the ink.
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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) | 1979-10-05 | 1980-04-05 | 1980-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-05 | 1984-04-05 | 1984-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-05 | 1988-04-05 | 1988-10-05 | $7700.00 | Window Closed / Lapsed |