Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1987-06-15
1988-08-16
Griffin, Robert L.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
455620, 372 65, 372107, H04B 900, H01S 303, H01S 308
Patent
active
047649836
ABSTRACT:
An adjustable positioning plate for aligning a communications laser transmitter or receiver station. The cabinet is anchored to a flat mounting plate by a three point suspension consisting of a ball fulcrum at the cabinet bottom front center and fixtures at the lower rear corners of the cabinet. Each rear fixture includes a horizontal adjustment relative to a block attached to the mounting plate and a vertical screw to furnish vertical adjustment. Four springs straddling the cabinet sides and cross rods across the top hold the cabinet tightly against the three point suspension.
REFERENCES:
patent: 2982859 (1961-05-01), Steinbrecher
patent: 3156825 (1964-11-01), Lines
patent: 3316800 (1967-05-01), Kibler
patent: 3404403 (1968-10-01), Vallese
patent: 3440563 (1969-04-01), Clement
patent: 3499713 (1970-03-01), Ito
patent: 4209689 (1980-06-01), Linford
patent: 4249265 (1981-02-01), Coester
Fruitman Martin
Griffin Robert L.
Laser Communications, Inc.
Telesz Jr. Andrew J.
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