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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Application No. | Application Title | Issue Date |
| 20110266087 | Condenser Microphone A condenser microphone includes a cylindrical microphone case having a condenser microphone unit therein; a microphone connector having an insulating base, one ground pin and two signal pins are embedded in the microphone connector; and a cylindrical connector sleeve fi... | 11/03/2011 |
| 20110261979 | DIAPHRAGM AND CONDENSER MICROPHONE USING SAME A diaphragm is disclosed. The diaphragm includes a vibrating member, a projection extruding from a periphery of the vibrating member, a supporting member surrounding the vibrating member. A first gap is formed between the vibrating member and the supporting member. The ... | 10/27/2011 |
| 20110255716 | DIAPHRAGM AND CONDENSER MICROPHONE USING SAME A diaphragm is disclosed. A diaphragm includes a vibrating member capable of vibrating relative to the backplate and suspended by the supporting member extending from the vibrating member. The supporting member extends from a periphery of the vibrating member along a di... | 10/20/2011 |
| 20060090955 | Microphone diaphragms defined by logarithmic curves and microphones for use therewith Microphone diaphragms are provided having an active area with a periphery defined by at least a portion of a logarithmic curve. In some embodiments, the periphery is defined by at least a portion of a golden spiral. The microphone diaphragms may be used in pressure micr... | 05/04/2006 |
| 20050236224 | Microphone assembly fitted to vehicle-mounted control module panel, that fits well A microphone assembly fitted to a panel of a vehicle-mounted control module, provided with a housing for housing a microphone and having an opening section on a surface facing the panel, and a holding case for holding the housing so as to be capable of pivoting, and whe... | 10/27/2005 |
