Electromagnetic radiation node for use in a network and lighting

Details Electromagnetic radiation node for use in a network and lighting Electromagnetic radiation node for use in a network and lighting

1991-01-02

1994-01-11

Crosland, Donnie L.

Communications: electrical

Systems

Selsyn type

340310R, 340310CP, H04B 300, H04M 1100

Patent

active

052785360

ABSTRACT:
A network (2) utilizing power conductor distribution and incorporating infra-red (IR) radiation nodes having IR transducers (4, 6, 8). The IR transducers are located in ceiling-mounted lighting fixtures (16, 18, 20) and are connected to power terminals in the lighting fixtures both for powering the IR transducers in operation and for communicating network information. The transducers are thus positioned optimally for good IR communication and require no additional cabling.

REFERENCES:
patent: 3818466 (1974-06-01), Honda
patent: 3971028 (1976-07-01), Funk
patent: 4703306 (1987-10-01), Barritt
patent: 4768020 (1988-08-01), Chen
patent: 4815106 (1989-03-01), Propp et al.
patent: 4977618 (1990-12-01), Allen
patent: 5068916 (1991-11-01), Harrison et al.
patent: 5081440 (1992-01-01), Ott et al.

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