US3176138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical communication system with modulated c.r.t. light source
Assignee: Individual
•
Filing: 1962-10-17
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Granted: 1965-03-30
•
Expires: 1982-10-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Coffee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:31
CPC Classifications
H; H04; H04B; H04B10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A DEVICE DISPOSED FOR GENERATION, MODULATION AND PROPAGATION OF RADIANT ENERGY COMPRISING: (A) A CATHODE RAY TUBE FOR DIRECTING A FLOW OF ELECTRONS TO A PREDETERMINED POINT; (B) A CONDUIT MOUNTED IN THE FORWARD END OF SAID CATHODE RAY TUBE AND PROVIDED WITH A PAIR OF WINDOWS DISPOSED IN DIAMETRICALLY OPPOSED RELATION, THE FIRST OF SAID WINDOWS BEING OF BERYLLIUM AND DISPOSED AT SAID PREDETERMINED POINT FOR TRANSMISSION OF SAID ELECTRON FLOW; (C) A LIQUID PHOSPHOR MEDIUM DISPOSED IN SAID CONDUIT FOR FLOW BETWEEN AND WINDOWNS FOR EXCITATION AND GENERATION OF RADIANT ENERGY IN THE INFRARED, ULTRAVIOLET AND VISIBLE PORTIONS OF THE ELECTROMAGNETIC WAVE SPECTRUM RESPONSIVE TO SAID ELECTRON FLOW; (D) THE SECOND OF SAID WINDOWS BEING TRANSPARENT TO RADIANT ENERGY IN THE INFRARED, ULTRAVIOLET, AND VISIBLE PORTIONS OF THE ELECTROMAGNETIC SPECTRUM, SAID SECOND WINDOW DISPOSED FOR PASSAGE OF SAID RADIANT ENERGY THERETHROUGH RESPONSIVE TO THE GENERATION (E) A HEAT EXCHANGER CONNECTED TO SAID CONDUIT FOR COOLING AND RECIRCULATING SAID MEDIUM THROUGH SAID CONDUIT; AND, (F) MEANS FOR COLLIMATING SAID RADIANT ENERGY FOR TRANSMISSION THEREOF.
Claim 2
Independent Claim
175 words
A DEVICE DISPOSED FOR GENERATION, MODULATION AND PROPAGATION OF RADIANT ENERGY COMPRISING: (A) A CATHODE RAY TUBE FOR DIRECTING A FLOW OF ELECTRONS TO A PREDETERMINED POINT; (B) A CONDUIT MOUNTED IN THE FORWARD END OF SAID CATHODE RAY TUBE AND PROVIDED WITH A PAIR OF WINDOWS DISPOSED IN DIAMETRICALLY OPPOSED RELATION, THE FIRST OF SAID WINDOWS BEING OF BERYLLIUM AND DISPOSED AT SAID PREDETERMINED POINT FOR TRANSMISSION OF SAID ELECTRON FLOW; (C) A LIQUID PHOSPHOR MEDIUM DISPOSED IN SAID CONDUIT FOR FLOW BETWEEN AND WINDOWNS FOR EXCITATION AND GENERATION OF RADIANT ENERGY IN THE INFRARED, ULTRAVIOLET AND VISIBLE PORTIONS OF THE ELECTROMAGNETIC WAVE SPECTRUM RESPONSIVE TO SAID ELECTRON FLOW; (D) THE SECOND OF SAID WINDOWS BEING TRANSPARENT TO RADIANT ENERGY IN THE INFRARED, ULTRAVIOLET, AND VISIBLE PORTIONS OF THE ELECTROMAGNETIC SPECTRUM, SAID SECOND WINDOW DISPOSED FOR PASSAGE OF SAID RADIANT ENERGY THERETHROUGH RESPONSIVE TO THE GENERATION (E) A HEAT EXCHANGER CONNECTED TO SAID CONDUIT FOR COOLING AND RECIRCULATING SAID MEDIUM THROUGH SAID CONDUIT; AND, (F) MEANS FOR COLLIMATING SAID RADIANT ENERGY FOR TRANSMISSION THEREOF.
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |