Combination lens and window retainer and housing assembly for a motion detector system
US6181489A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1998 |
| Grant date | Jan 30, 2001 |
| Priority date | — |
| Expiry date | Nov 16, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B13/193
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A housing assembly includes a combination lens and window retainer, an inner optical lens, an outer optical window and a front cover. The retainer includes a middle body structure, a pair of side wing structures, an inner seat and an outer seat. The middle body structure has opposite lateral sides, interior portions and exterior portions. The side wing structures are attached to and extend in opposite lateral directions from the opposite lateral sides of the middle body structure. Each side wing structure has exterior portions. The inner seat is defined on the interior portions of the middle body structure. The outer seat is defined forwardly of the inner seat on the exterior portions of the middle body structure and of the side wing structures. The inner optical lens is mounted to the inner seat of the retainer. The middle body structure and side wing structures together define an opening aligned with the inner optical lens and provides an unobstructed forward panoramic field of view through the retainer. The outer optical window is sandwiched between the front cover and the retainer and disposed in an overlying relationship to the opening of the retainer. The front cover houses t…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.