|
|
Apparatus and method for supporting and working on sheet material
The invention resides in a bed for supporting sheet material in a spread condition while it is worked upon, the bed being comprised of bristles having ends located in a ...
|
|
|
Pressure sensitive adhesive label
A label for use with a support surface including a sheet member having first and second opposing major surfaces. A layer of moisture dissipative material is applied to ...
|
|
|
Sign making web with dry adhesive layer
The invention resides in a laminated web for use in making signs of the kind comprised of characters, symbols or other shapes cut from a sheet of colored sign material ...
|
|
|
Electro-acoustic transducer with active dome
What is claimed is: 1. In an electro-acoustic transducer comprising a rigid case capped by a self-supporting active radiating membrane made from a polymer material ...
|
|
|
Transducer with rearwardly disposed damping elements
I claim: 1. In a loudspeaker of the type comprising: a substantially conical diaphragm, support means for said diaphragm, and means for causing said diaphragm to vibrate ...
|
|
|
Electronic muffler assembly with exhaust bypass
The present invention relates generally to active noise cancellation systems, and particularly to active noise cancellation systems for use in quieting the engine ...
|
|
|
Active exhaust silencer
The invention is an active silencer that can have a low-profile for canceling noise from an exhaust pipe, and a method of making the same. The active silencer has a ...
|
|
|
System and method for reducing engine noise
In the following detailed description, certain specific terminology is used for clarity purposes and for describing a particular embodiment of the system. However, the ...
|
|
|
Method of making a variable capacitor microphone
One of the objects of our invention is to provide a method of making a variable capacitor microphone comprising that maintains its polarization after a long period of ...
|
|
|
Micro-microphone
What is claimed is: 1. A micro-microphone for attachment to the clothing or directly to the body of a user, the micro-microphone comprising: a housing having a housing ...
|