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Portable light detection system for the blind
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Wilber, R. L. Carpenter, B. L. |
| Copyright Year | 1973 |
| Description | System can be used to detect "ready" light on automatic cooking device, to tell if lights are on for visitors, or to tell whether it is daylight or dark outside. Device is actuated like flashlight. Light impinging on photo cell activates transistor which energizes buzzer to indicate presence of light. |
| File Size | 67828 |
| Page Count | 1 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19730000099 |
| Archival Resource Key | ark:/13960/t9v16sz6m |
| Language | English |
| Publisher Date | 1973-02-01 |
| Access Restriction | Open |
| Subject Keyword | Radiation Detectors Transistors Light Visible Radiation Photoelectric Cells Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |