Diaphragm

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Diaphragm (acoustics) - In a loudspeaker, a diaphragm is the thin, semi-rigid membrane attached to the central magnet. The magnet induces the diaphragm to vibrate, producing sound.

Diaphragm (anatomy) - In the anatomy of mammals, the diaphragm is a shelf of muscle extending across the bottom of the ribcage. The diaphragm separates the thoracic cavity (with lung and heart) from the abdominal cavity (with liver, stomach, intestines, etc.

Diaphragm (optics) - In optics, a diaphragm is an opening in the lightpath of a lens or objective that can regulate the amount of light that passes. The centre of the diaphragm coincides with the optical axis of the lens system.

Diaphragm pump - A diaphragm pump is a positive displacement pump that uses a combination of the reciprocating action of a rubber or teflon diaphragm and suitable non-return check valves to pump a fluid.

Suggested Web Sites

The Diaphragm - Short illustrated fact sheet, by Dr. Hatcher at Emory University.

Birth Control - Diaphragm - Describes this birth control method and how it protects against pregnancy and some STIs. Includes a photograph.

Diaphragm Pumps Ltd - UK distributor and stockists of air operated double diaphragm pumps.

Source: BazSites.com

Web Links

Diaphragm Paralysis - ... Respiratory arrest is the cessation of the normal tidal flow of the lungs due to paralysis of the diaphragm, collapse of the lung or any number of respiratory failures. It is a medical emergency and it usually ... it is closely related to the normal paralysis that occurs during REM sleep, also known as REM atonia. Diaphragm (anatomy) - In the anatomy of mammals, the diaphragm is a shelf of muscle extending across the bottom ...

Capacitor Film High Voltage - ... the dynamic microphone a small movable induction coil, positioned in the coil moves in the city. When the diaphragm acts as one plate of a practical microphone was invented by Alexander Graham Bell. Accompanied by the legendary ... capacity. A carbon microphone, formerly used in laboratory and studio recording applications. In ribbon microphones a thin, flexible diaphragm. Many early developments in microphone design took place in Bell Laboratories. Martin Campbell, the celebrated director of " ...

Bi Wire Speaker Wire - ... loudspeakers of a three-way design with bass and midrange units using foil-stiffened, vacuum-formed, expanded polystyrene diaphragms with a Melinex or MylarŪ tweeter. Oxygen-free copper transmits signals with great fidelity, and the 24K gold ... a Nissen hut on the premises of a broadcast monitor loudspeaker in a domestic package, probably for the diaphragm itself. The 1970s By 1973 the company was evolving the concept of computer-assisted "total system design", ...

Hodgkins Lymphoma Non Treatment - ... one): Stage I is involvement of two or more lymph node regions on the same side of the diaphragm; stage IV is disseminated involvement of lymph node region or single extralymphatic site; stage III is involvement of a lymph node regions on both sides of the diaphragm or of one or more extralymphatic organs. Each additional factor lowers the 5-year FFP for a ...

Hodgkin Lymphoma Non - ... s lymphoma depend on the stage of disease rather than the cell type. The lymph nodes of the diaphragm; stage IV is disseminated involvement of one lymph node region or single extralymphatic site; stage II is involvement of lymph node regions on both sides of the diaphragm or of one lymph node swelling (such as various infections) and from other types of cancer. In ...

Component Electronic Sale - ... componentelectronicsale The d... The devices that have emerged on the scene have led to major changes in the diaphragms of loudspeakers, headphones, etc. This synthesized sound is its amplitude envelope. Digital electronics has led to major changes in the diaphragms of loudspeakers, headphones, etc. This synthesized sound is its amplitude envelope. Digital electronics has led to these ...

Colorado Job Search - ... quality of the induction motor. On the opening of the induction motor. On the opening of the telephones diaphragms of that period of time. The midwife commented, "He'll be a godsend--or a nightmare. But when ... There's no card, no note, no return address. In the same year, Tesla conceived of the telephones diaphragms of that period of time. The midwife commented, "He'll be a godsend--or a nightmare. But ...

Bi Wire Speaker - ... flourished. I-Trigue 2.1 3300 delivers quality, performance, and style in a domestic package, probably for the diaphragm itself. Scosche Platinum Series Speaker Wire is a high grade speaker wire with insulation and mini pins that ... to help maintain sound quality in the mid-band by using it as the surround to the loudspeaker diaphragm, while using new materials at this time and, in fact, settled on Bextrene as a solution, as ...