System for supervising and guiding persons in construction

Details System for supervising and guiding persons in construction System for supervising and guiding persons in construction

1984-10-04

1987-11-24

Goldberg, E. A.

Boots, shoes, and leggings

364516, 340573, G06F 1520, G06G 748

Patent

active

047093307

ABSTRACT:
A system for supervising and guiding workers at various places in a construction such as an underground substation, underground market, building, or tunnel is disclosed which includes a number of receivers arranged in a number of sections of the construction for receiving infrared radiation emitted from workers to produce a detection signal, a detection device arranged in a central control room for processing the detection signals supplied from the receivers to detect positions of workers in the construction, and communication devices provided in each section and the central control room for providing the workers with various kinds of instructions, commands and messages for preventing a disaster and escaping an emergency.

REFERENCES:
patent: 3098220 (1963-07-01), De Graaf
patent: 3122847 (1964-03-01), Redfield et al.
patent: 3478344 (1969-11-01), Schwitzgebel et al.
patent: 4025194 (1977-05-01), Teppo
patent: 4110741 (1978-08-01), Hubert et al.
patent: 4227577 (1980-10-01), Iida
patent: 4468656 (1984-08-01), Clifford et al.

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