FEED METHOD AND BRANCH FEED APPARATUS FOR SUBMARINE OBSERVATION SYSTEM

PROBLEM TO BE SOLVED: To reduce a size and a cost of a branch feed apparatus which supplies constant currents to respective submarine observation devices in a branch-type feed system. SOLUTION: This system is composed of a land feed apparatus 11 which supplies a constant current to a trunk system fe...

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1. Verfasser:	YONEZAKI YOSHITAKA
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETECTING MASSES OR OBJECTS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERATION GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY TESTING TRANSMISSION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce a size and a cost of a branch feed apparatus which supplies constant currents to respective submarine observation devices in a branch-type feed system. SOLUTION: This system is composed of a land feed apparatus 11 which supplies a constant current to a trunk system feed line 2, a branch feed apparatus 4 by which the current supplied to the trunk feed line 2 is branched out, branch feed lines 5 to which constant currents are supplied from the branch feed apparatus 4, and respective submarine observation devices 3 to be fed connected in series to the respective branch feed lines 5. The branch feed apparatus 4 comprises branch lines connected in parallel to each other and a simple current limiter 42 composed of Zener diodes, transistors, etc., by which branch currents supplied to the branch lines are made to be constant.