Audible alarm and projection lamp attachment for a walking cane
US4583080A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1984 |
| Grant date | Apr 15, 1986 |
| Priority date | — |
| Expiry date | Dec 28, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S135/91
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An attachment for a walking cane to serve as audible alarm producing means and as a light projection lamp. The attachment has a hollow casing for mounting onto a cane so that a vertical portion of the cane protrudes from the front section of the casing and the horizontal portion of the cane protrudes from the rear section of the casing. Inside the casing, is a switch connected in circuit with an audible alarm producing device, a lamp and batteries. The switch is operable externally of the casing for selectively sounding the alarm or lighting the lamp. The casing has quickly separable and reengageable sections providing access to the interior or the casing for servicing the batteries. The sound actuating circuit may be arranged to modify the sound produced by the alarm device to increase its attention getting effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.