H52 standard reference hydrophone专利检索-电缆靴电缆，导体和接线专利检索查询-专利查询网

H52 standard reference hydrophone

阅读：1001发布：2021-05-26

专利汇可以提供H52 standard reference hydrophone专利检索，专利查询，专利分析的服务。并且An electroacoustic transducer with features permitting a structure of minimum size to thereby permit reflection and absorption measurement to be made over a broad band of frequencies without disturbing the sound field. A plurality of lithium sulfate crystals are bonded to gold plated silver foil electrodes with an isolating space being provided between each adjacent pair of crystals. The crystal assembly is supported by compliant members within a wire frame which is surrounded by an expanded metal electrostatic shield. The whole assembly is enclosed within a castor oil filled butyl boot. Output terminals are connected through a hermetic-seal-through to a conventional preamplifier. Cable connections to the preamplifier are made through a pressure resistance coupling of unique design.，下面是H52 standard reference hydrophone专利的具体信息内容。

权利要求

1. A hydrophone which comprises: a hydrophone head assembly, a preamplifier electrically connected with said hydrophone head for amplifying potentials developed by said hydrophone head, a cable, said cable including electrical conductors connected with said preamplifier for conducting electrical pulses to a desired electrical instrument, said hydrophone head including a crystal assembly formed by two rows of linearly aligned crystals bonded face-to-face and connected electrically in parallel to each other and lying along the axis of said hydrophone head assembly, each of said linear rows including a spacing between adjacent ends of each of said crystals therein.

2. A hydrophone as claimed in claim 1; wherein, each of said crystals are rectangular in shape with the crystals of one row aligned with crystals of the other row.

3. A hydrophone as claimed in claim 2; wherein, said crystals are supported within a wire cage in axial alignment therewith, said wire cage including two U-shaped wires secured with the wires 90* from each other.

4. A hydrophone as claimed in claim 3; which includes, a closed end expanded metal cylinder surrounding said wire cage and connected to electrical ground which serves as an electrostatic shield for the crystal assembly, a butyl boot surrounding said expanded metal cylinder, and castor oil surrounding said crystal assembly and filling the space confined by said butyl boot.

5. A hydrophone as claimed in claim 4; which includes, a hydrophone head adapter assembly through which electrical conductors pass, means for connecting said electrical conductors with said crystal assembly, an adapter secured to said head adapter assembly for easy removal therefrom, said wire cage and said expanded metal cylindrical cylinder connected to said adapter, a stainless steel ring, said butyl boot secured to said stainless steel ring, said stainless steel ring adapted to be secured about said head adapter assembly for easy removal.

6. A hydrophone as claimed in claim 5; which includes, a cylindrical cable end connector, said cable end connector including a tapered inner surface on one end, a cable terminal tapered to match the taper on the inner surface of said cable end connector, said cable terminal including a plurality of axially aligned apertures therethrough, a cable, said cable housing a ferrule swagged on a portion of the length from the end thereof, said ferrule secured to said cable connector, electrical conductors passing through said apertures in said cable terminal, eyelets secured about said conductors and secured within said apertures in said cable terminal, said eyelets including outwardly extending shoulders which prevent their removal from said apertures, and a neoprene rubber surrounding said ferrule and a portion of said cable vulcanized thereto and to the end of said cable end connector.

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H52 standard reference hydrophone

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