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Friden EC-130 Data
See the Friden Data section for further important EC-130 Family Data
| Patents | |
|---|---|
| Drum Calculator (opens in new tab) | The first drum memory based EC130 prototype |
| CRT Calculator (opens in new tab) | EC 130 prototype with Ragen’s CRT display |
| Character Generator (opens in new tab) | EC 130 CRT character generator |
| Stack Calculator (opens in new tab) | Further development of the EC 130 architecture |
| Technical | |
|---|---|
| Field Service Manual ToC (opens in new tab) | Complete and comprehensive service manual. ToC only, apply to DoPECC for complete document |
| Power Supply (opens in new tab) | Reverse engineering of power supply |
| CRT Datasheet (opens in new tab) | Datasheet for the 5DEP1 CR tube |