Communications: electrical – Selective – Having indication or alarm
Patent
1980-08-05
1982-10-12
Robinson, Thomas A.
Communications: electrical
Selective
Having indication or alarm
G08G 300
Patent
active
043541720
ABSTRACT:
Radio signals from at least one Navy Navigation Satellite are received and an accurately timed signal is extracted therefrom. The special signal is used as a synchronizing signal to synchronize the flashing of a plurality of navigation lights. Each navigation light receives the radio signal, extracts the special signal and generates a flash signal which is used to flash a lamp.
REFERENCES:
patent: 3532985 (1970-10-01), Glomb et al.
patent: 3787867 (1974-01-01), Dodge et al.
Nagamachi Koichi
Sato Yuji
Takeyasu Isaburo
Robinson Thomas A.
Zeni Lite Buoy Co., Ltd.
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