Pulse or digital communications – Repeaters – Testing
Patent
1987-09-21
1989-09-12
Cangialosi, Salvatore
Pulse or digital communications
Repeaters
Testing
H04L 2730
Patent
active
048667331
ABSTRACT:
A radio bus system formed by combining a spread spectrum (SS) communication radio bus system with an electrical power line bus system using a spread spectrum modulated signal of the same signal format as that used in the radio bus system. An information signal transmission system is formed which transmits an information signal between a controller and a device which may or may not be connected to the electrical power line bus system, the information signal to be transmitted being converted into a spread spectrum modulated signal by an SS modem on a transmitter side and being succeedingly converted into a radio signal in a radio transmitter part of the transceiver section on the transmitter side for radiating the radio signal. The received radio signal is then converted on the receiver side into a spread spectrum modulated signal in a radio receiver part of the transceiver section and converted into the information signal by the SS modem on the receiver side for transmission through the electrical power line.
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patent: 4438519 (1984-03-01), Bose
patent: 4475208 (1984-10-01), Ricketts
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patent: 4567588 (1986-01-01), Jerrim
patent: 4641322 (1987-02-01), Hasegawa
patent: 4724435 (1988-02-01), Moses et al.
patent: 4761796 (1988-08-01), Dunn et al.
patent: 4804938 (1989-02-01), Rouse et al.
Cangialosi Salvatore
NEC Home Electronics Ltd.
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