Patent · US Expired

Car-directing apparatus for an alarm system

US4536750A · kind A · utility

2Cited by
7References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 23, 1983
Grant dateAug 20, 1985
Priority date
Expiry dateJun 23, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08G1/205
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A car-directing apparatus for an alarm system, directing dispatched engineers in a dispatch car to the site of an emergency or abnormality. The car-directing apparatus is fixedly arranged in a part of a predetermined area protected by the alarm system and has a display unit capable of indicating the site of the emergency or abnormality and/or a signal emitter for emitting a car-directing signal toward the dispatch car when the car approaches the site of the emergency or abnormality. The car-directing apparatus also has a built-in electric power unit including a chargeable battery.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.