4631
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The Tektronix 4631 Video Hard Copy Unit is a printer for CRT storage displays, e.g., the 613, or 4010-series terminals.
Using a special "1-dimensional", magnetically deflected CRT, it exposes dry silver paper (3M type 777, shelf life 6 months only). The image is developed by heating the paper.
Print time is 18 seconds except for high-res copies from 19" terminals, for which it can be doubled.
Links
Documents referencing 4631
| Document | Class | Title | Authors | Year | Links |
|---|---|---|---|---|---|
| A-3119.pdf | Article | Mar/Apr 1975 New Products and Literature - Supplement No.2 to 1975 Catalog | 1975 | 213 • 314 • Telequipment D32 • 5B31 • 4631 • TM 500 Audio Frequency Communications Package • TM506 • RTM506 • PS503A | |
| Data Acquisition and Processing on Electron Beam Fusion Accelerators - William Boyer 1978.pdf | Article | Data Acquisition and Processing on Electron Beam Fusion Accelerators | William B. Boyer | 1978 | R7912 • 7912AD • 4010 • 4610 • 4631 • 1340 |
| Technology Report January 1980.pdf | Article | Hard Copy - Big Business for Tektronix | Jon Mutton | 1980 | 4601 • 4602 • 4610 • 4620 • 4623 • 4631 • 4632 • 4663A • 4634 • Information Display Division |
| Tekniques vol.4 no.5.pdf | Article | On-Line Calorimetry Data Acquisition and Analysis | D.L. Raschella • J.R. Uchida • J.R. Peterson | 1980 | 4051 • 4924 • 4631 • 4662 |
| Tekniques vol.4 no.7.pdf | Article | Getting the Best Possible Copies from your 4631 Hard Copy Unit | Terry Davis • George Kusiowski • Cathy Cramer | 1980 | 4631 |
Patents that may apply to 4631
| Page | Title | Inventors | Filing date | Grant date | Links |
|---|---|---|---|---|---|
| Patent US 3426238A | Charge image storage method and apparatus | Chuck Gibson | 1966-12-07 | 1969-02-04 | Direct-view storage CRT • 4010-1 • 4601 • 4610 • 4611 • 4631 • 4632 |
| Patent US 3679824A | Facsimile system | Chuck Gibson | 1970-05-04 | 1972-07-25 | Direct-view storage CRT • 4010-1 • 4601 • 4610 • 4611 • 4631 • 4632 |
| Patent US RE28773E | Charge image storage method and apparatus | Chuck Gibson | 1973-04-09 | 1976-04-13 | Direct-view storage CRT • 4010-1 • 4601 • 4610 • 4611 • 4631 • 4632 |
Prices
| Year | Catalog price | In 2026 dollars |
|---|---|---|
| 1975 | $3,895 | ~$24,200 |
Pictures
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front of the tube
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CRT connector
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tube face detail
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A 4107 terminal and 4631 printer in instrumentation for the Mighty Oak nuclear test
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