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1. 发明授权

US3553638A Sonar scanning mechanism 失效
标题翻译：声纳扫描机制
公开(公告)号：US3553638A
公开(公告)日：1983-01-11
申请号：US84118869
申请日：1969-06-19
申请人： WESTERN MARINE ELECTRONICS CO
发明人： SUBLETT KENNETH L
IPC分类号： B63C11/48 , G10K11/35 , B63B45/08 , G01S9/70
CPC分类号： B63C11/48 , G10K11/355
摘要： A MARINE SONAR SYSTEM IS DISCLOSED EMPLOYING A SUPPORT MECHANISM FOR AN ACOUSTIC TRANSDUCER CAPABLE OF STABILIZING THE TRANSDUCER FROM THE PITCH AND ROLL MOTION OF SHIP. THE TRANSDUCER IS FREELY SUSPENDED FROM A FRAME. A DRIVE MECHANISM FOR VAYING THE ANGLE OF THE TRANSDUCER INCLUDES TWO RING GEARS MESHED WITH PINION GEARS JOURNALED IN THE FRAME. THE RING GEARS ARE FREE TO ROTATE ABOUT THE PINION GEARS TO ALIGN WITH THE GRAVITY VECTOR. ADDITIONALLY, ROTATION OF TEH PINION GEARS ROTATES THE TRANSDUCER WITHOUT DISTURBING ITS ALIGNMENT WITH THE GRAVITY VECTOR. THE TRANSDUCER CAN BE AIMED TO VARYING WATER DEPTHS BY ROTATION OF THE PINION GEARS. THE PINION GEARS ARE DRIVEN BY AN INTERMEDIATE GEAR MECHANISM MESHED WITH VERTICAL RACK GEARS. THE RACK GEARS ARE SPLIT INTO HALVES SO THAT ONE-HALF CAN REMAIN IN MESH WITH A DRIVE MOTOR WHILE THE ENTIRE FRAME ON WHICH THE TRANSDUCER IS MOUNTED IS ROTATED TO AIM THE TRANSDUCER AT VARIOUS ANGLES. THE SONAR SYSTEM FURTHER INCLUDES MEANS FOR RAISING AND LOWERING THE TRANSDUCER RELATIVE TO THE HULL OF THE SHIP BETWEEN SCANNING AND REST POSITION.

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