Holographic system for object location and identification
US4209853A · kind A · utility
Inventor
Key dates
| Filing date | Jul 22, 1974 |
| Grant date | Jun 24, 1980 |
| Priority date | — |
| Expiry date | Jul 22, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P90/02
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An arrangement is provided for locating and identifying objects using holographic techniques. Improvements are achieved by array configuration and particularly with the use of a plurality of arrays to provide different types of information related to the same object. In one embodiment, a high resolution narrow field-of-view array is provided in combination with a low resolution wide field-of-view array. The low resolution array resolves the ambiguity for object location and the high resolution array permits object identification; wherein the combination of a high resolution narrow field-of-view array and a low resolution wide field-of-view array provides significant advantages over the conventional high resolution wide field-of-view array. A general purpose high resolution wide field-of-view array may be provided for obtaining desired information. In a mode requiring high computational rates, portions of the general purpose array may be selected to provide specific information. For example, a high resolution narrow field-of-view sub-array and a low resolution wide field-of-view sub-array may each be part of the general purpose array, selected as a limited set of array points. Proce…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.