High frequency compression drivers
What is claimed is: 1. A compression driver comprising: a. an annular diaphragm having a first coil support portion, a second coil support portion, a first curved resilient portion, a second resilient... Read More
Inventors: Czerwinski, Eugene J.; Voishvillo, Alexander G.;, Assignee: |
Electroacoustic apparatus for reproducing lowest to medium frequencies
A primary object of the present invention is to provide an improved electroacoustic apparatus which transmits sounds up to less than 30 Hertz with high efficiency and a frequency characteristic as lin... Read More
Inventors: Weckler, Joachim;, Assignee: Institut Lucius (Echzell, DE); Eggebrecht; Eric (Mainz, DE); Schulte; Marcus (Griesheim, DE); Daser; Moritz (Haibach, DE); Giessler; Johannes (Mannheim, DE); Schmitz; Christoph (Bad Homburg, DE) |
Molded article having elastomeric mold member used therewith
OF THE PREFERRED EMBODIMENTS The present invention may be used to make a wide variety of molded articles which may have internal cavities, bores, or voids therein, either for positioning other compon... Read More
Inventors: Packard, Thomas J.; Quackenbush, James H.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Underwater video camera housing
What is claimed is: 1. An underwater video camera housing to receive a video camera for use in transmitting underwater pictures to a video receiver or video tape recorder device located in a remote ar... Read More
Inventors: Monteiro, George;, Assignee: |
Underwater camera enclosure including sonar range finding device
OF THE INVENTION Referring now to the drawing, in particular FIG. 1, the underwater photographic system including cylindrical housing 10 is shown according to one embodiment of the present invention.... Read More
Inventors: Breslau, Lloyd;, Assignee: |
Method and apparatus for underwater operation of non-waterproof equipment
What I claim is: 1. An apparatus for adapting a device for underwater operatin, comprising: a waterproof container for said device fabricated from a flexible material; a collapsible gas container fabr... Read More
Inventors: Gell, Jr., Harold A.;, Assignee: Sea Fathoms Industries (Silver Spring, MD) |
Waterproof camera housing
OF THE INVENTION Referring to FIGS. 1 and 2 of the drawings, the television broadcasting camera 1 comprises a camera proper 2 and a recorder 3 for recording sound and vision on tape. The camera prope... Read More
Inventors: Johnson, John D.;, Assignee: |
Waterproof casing
In order to achieve the above and other objects, a waterproof casing according to the present invention is formed with an air flow opening which is shielded on its inner side by an air-permeable water... Read More
Inventors: Kamata, Kazuo; Tasaka, Hisashi; Kubo, Takashi; Kono, Takaji;, Assignee: Fuji Photo Film Co., Ltd. (Kanagawa, JP) |
Weatherproof electrical enclosure
The present invention obviates the disadvantages and limitations of the previous weatherproof covers and outlet boxes while providing security against unauthorized access and tampering of the electric... Read More
Inventors: Williams, Jr., Howard M.;, Assignee: Hubbell Incorporated (Orange, CT) |
Seals with particle exclusion means
Via the novel design of the present invention, many of the prior problems have been alleviated, seal life has been improved and overall cost of seal assemblies has often been reduced. The new design i... Read More
Inventors: Borowski, Richard;, Assignee: Garlock Inc. (New York, NY) |
Advanced dive computer for use with a self-contained underwater breathing apparatus
These and other objects and advantages of this invention are accomplished by a dive computer for use by a user of a self-contained underwater breathing apparatus. The dive computer includes a microcom... Read More
Inventors: Cochran, Michael J.; Allen, Billie P.;, Assignee: Cochran Consulting, Inc. (Richardson, TX) |
Headphone including split earphones and coupling means for coupling it to the ears
Accordingly, the aim of the present invention is to overcome the above mentioned drawbacks, by providing a split-earphone headset or headphone including clamping means for quickly and easily coupling ... Read More
Inventors: Salzani, Augusto;, Assignee: |
Underwater audio communication system using bone conducted sound
The present invention provides an underwater audio communication system including a transceiver and at least one bone conduction transducer assembly which may be connected with and carried by a conven... Read More
Inventors: May, David F.;, Assignee: Trigger Scuba, Inc. (Columbus, IN) |
Collision avoidance method and system
The present invention is directed to a collision avoidance system including a reader device attached to a moving vehicle such as a construction vehicle and a tag device, which is worn on the body of a... Read More
Inventors: Bokhour, Edward;, Assignee: |
Torque sensor
In order to solve the aforesaid problems in the prior art, the present invention has been designed. A first object thereof is to provide a torque sensor which is provided with a cylinder whose magneti... Read More
Inventors: Taniguchi, Manabu; Nagano, Hidenobu; Daido, Toshihiko; Kuramoto, Isao; Nohara, Makoto; Ueyama, Hirochika;, Assignee: Koyo Seiko Co., Ltd. (Osaka, JP) |
Power transfer system for a four-wheel drive vehicle
Accordingly, it is an object of the present invention to overcome the disadvantages associated with conventional four-wheel drive systems by providing a power transfer system having an "on-demand" fou... Read More
Inventors: Wilson, Robert J.; Sperduti, David; Adler, Randy W.;, Assignee: New Venture Gear, Inc. (Troy, MI) |
Vehicle steering apparatus
It is an object of the present invention to provide a vehicle steering apparatus capable of maintaining the relationship between the steering amount of a steering wheel and the turning amount of a tir... Read More
Inventors: Kojo, Takahiro; Kawamuro, Junji; Matsuda, Morihiro; Shindo, Masahiko;, Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota, JP) |
Self-contained continuously-variable transmission with mechanical integral torque converter having automatic drive control
OF THE INVENTION The invention is a Continuously Variable Transmission using a cylindrical impeller with an increasing diameter (10) that may be conic or parabolic and is powered by an engine transmi... Read More
Inventors: Borbolla Gonzalez, Teodoro R.;, Assignee: |
Cruise control device for vehicles
Therefore, the present invention has been made in view of the above problems, and it is an object of the present invention to provide a mechanical cruise control device for vehicles comprising a gear ... Read More
Inventors: Cho, Gi-han;, Assignee: Hyundai Mobis (Seoul, KR) |
Speaker system
It is therefore an object of this invention to provide a speaker system which can solve the problems of the conventional speaker system described above. The speaker system of the present disclosure ha... Read More
Inventors: Kasajima, Syoji; Kyouno, Noboru; Honma, Kazumi; Otsuka, Isao;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Compact spiral cavity loudspeaker enclosure
Having described my invention, what I now claim is: 1. A loudspeaker assembly which comprises: an outer sleeve having a front end and a rear end, a rear wall joined to the rear end of the outer sleeve... Read More
Inventors: Hathaway, Dana B.;, Assignee: |
Omni-directional sound system
What is claimed is: 1. An omni-directional sound system comprises: a control unit adapted to actuate different loudspeakers, including a bass loudspeaker means; and the bass loudspeaker means includin... Read More
Inventors: Schlenzig, Dieter; Apfel, Thomas;, Assignee: |
Overhanging structure
I claim: 1. An overhang structure which mounts on an outside of a building including a roof panel support provided by multiple spaced apart parallel roof channel members having opposed ends and which ... Read More
Inventors: Speers, George A.;, Assignee: |
Modular structural assembly and method of construction
I claim: 1. A modular structural assembly comprising an outer frame, a plurality of panels, and a plurality of clips for releasably securing the panels to the outer frame, the outer frame including a ... Read More
Inventors: Smrt, Thomas J.;, Assignee: |
Gable overhang
I claim: 1. An overhanging gable structure, comprising a plurality of brackets each one of which is mounted atop a stud of a frame of a building so as to be disposed between a top plate of an outside ... Read More
Inventors: Hitchins, William G.;, Assignee: |
Elliptical thread design
OF THE PREFERRED EMBODIMENT The screw structure of the subject invention is particularly suited for coupling together drilling elements fastened together to comprise a drilling tool used in down hole... Read More
Inventors: Chuang, Jo-Yu;, Assignee: TRW Inc (Cleveland, OH) |
Self-adhesive tape
We claim: 1. A self-adhesive tape comprising 100 parts by weight of a vinyl chloride/vinylisobutylether copolymer from 100 to 400 parts by weight of a mixture of nitrile rubber and a polyvinylchloride... Read More
Inventors: Ewald, Richard; Freiberg, Klaus;, Assignee: Braas & Co. GmbH (Frankfurt, DE) |
Gum-tape plate bonded roofing system
The present invention relates to a roofing system of the type wherein a single ply roofing membrane of rubber or the like is used as the top roof layer. More specifically, the present invention is rel... Read More
Inventors: Kelly, Thomas L.;, Assignee: |
Variable angle refractory anchor for connecting surfaces
I claim: 1. A variable angle refractory anchor comprising: (a) a first flag elongated member having straight sides and an arcuate end: (b) a second flat elongated member having straight sides and an a... Read More
Inventors: Page, Gary L.;, Assignee: Conoco Inc. (Ponca City, OK) |
Fastener for securing roofing material to cementitious roof decks having removable tab
In laboratory experiments designed to test the resistance of built-up roofing membranes to being uplifted by wind, essentially a vacuum is created above the built-up roofing stimulating the effect of ... Read More
Inventors: Young, Kenneth E.; Dudley, Hubert T.; Frohlich, Robert T.;, Assignee: W. R. Grace & Co. (Cambridge, MA) |
Gutter-related 
