US6075867A – Micromechanical microphone – Google Patents

The d microphone that I bought for the eBay could not have been a better microphone I’ve got real good reports from it it’s very clear I will buy another one if I need one the people that packed the microphone that I actually sold the microphone did an excellent job of packing could not have been better I’m very happy with my purchase I’ll certainly do it again if I need one. Verified purchase: Yes Condition: Pre-owned. I have used Astatic Mic’s since the early seventy’s. The quality of sound has been one of the best for my hobby. Lately the PPT components have suffered. First, I love the old Art Deco appearance of this microphone. Unfortunately the D’s are quite out of date electronically. Frequently the original Dynamic Cartridges are shot.

Technical Details

This invention relates to supports and more particularly to supports for microphones and the like and has as its principal object the provision of an apparatus for this purpose which as a unitary assembly includes meansto adjustably mount the microphone and an illuminating. It is, of course, common practice to illuminate the face of a speaker or singer when the speaker or singer is using a microphone to amplify or broadcast his voice particularly when such person is located within a theater, auditorium, ball room or other public place, but heretofore such illumination has been accomplished by the use of spot lights positioned among the foot lights of the stage or at other points remote from the person.

This is objectionable in that the positions of the microphone and the person and the direction of the light beams must be predeterminedly correlated for smoothness of performance and in that an attendant is required for control and manipulation of the light sources. Moreover, considerable time is required to accomplish the arrangement and in places where considerable smoke or dust is in the atmosphere the long beams are objectionable as they are particularly noticeable and overindicate the presence of impurities in the atmosphere.

Also, such as illuminating arrangement casts objectionable shadows of the microphone and sometimes a portion of its support on the person and of the person on the background of the stage.

Astatic ( RDE Road Devil Amplified 4-Pin CB Microphone. Total price: $ Date First Available, September 23, Manufacturer, Astatic.

Like the condenser microphone, this is also a type of pressure microphone, and responds to sound pressure. Shown at left is a section view of a dynamic microphone. These microphones are known for their durability; they are less fragile than condenser microphones, and are able to take in much louder noises before they begin distorting the sound. They are often used by musicians performing live, due to both their ability to handle louder sounds and their physical durability.

Though this microphone type is not in wide-spread use today, it is the most common microphone type in the Steele Collection. The collection contains Dynamic microphones, a large selection of which is shown in the galleries below. The galleries are sorted both by polar response and manufacture date, if known. Microphones with the Omni-directional polar response type are the most numerous of the Dynamic microphones in Mr.

Astatic D104M6B-DX1 Radio Microphone

Shure introduced the Controlled Reluctance Transducer element in The elements had a unique design that made them immune to temperature and climate conditions. It consisted of a brass disc that was used as the main support for the built in transformer, magnetic assembly, diaphram, armature assembly and cover.

Great Hobbies, Ham Radio, Circuits, Plugs, Dating, Quotes, Relationships, Astatic Mic Chrome 4 pin connect CB Ham Radio by dagutzyone Citizens Band.

Your question may be answered by sellers, manufacturers, or customers who purchased this item, who are all part of the Amazon community. Please make sure that you’ve entered a valid question. You can edit your question or post anyway. Please enter a question. Astatic microphones are engineered to surpass all stock mic options, providing superior sound quality for CB, Amateur, and Single Side Band communications. Premium noise canceling sound quality and a.

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Astatic 302-AST878DM Amplified Ceramic Desk CB Microphone

American and Japanese microphones from the past. Astatic – Shure – Piezo – Turner. American AH. American D7TP.

Astatic JT Harmonica Microphone Late s Gray I found a JT web site and apparently the serial # doesn’t help date the mic but the style of label.

A microphone is a device that converts mechanical energy waves or sound into electrical energy waves. Speaking into a microphone excites moves a diaphragm that is coupled to a device that creates an electrical current proportional to the sound waves produced. Microphones are a part of everyday life.

They are used in telephones, transmitters for commercial radio and television broadcast, amateur radio, baby monitors, tape recorders, motion pictures , and public address systems. There are many different types of microphones—the design depending upon the application. Sound recording, radio and television, and motion picture studios use ribbon or condenser type microphones because of their high quality reproduction of sound.

Public address systems, telephones, and two-way radio communications systems can use carbon, ceramic, or dynamic microphones because of their versatility and low cost. The first microphone was invented as a telephone transmitter by Alexander Graham Bell in It was a liquid device that was not very practical.

Astatic JT-30 Harmonica Microphone Late 1940s Gray

Do you remember the microphone from the 80’s? This new microphone from Superstar is very similar to it but from what I remember this one feels better made! A very unusual mic to look at, but when you get it in your hand it is surprising how comfortable it feels. You hold the mic like a “pistol”, and the PTT is the “trigger” that you press with your forefinger.

series ASTATIC mini-gooseneck microphones as well as any other miniature You should retain proof of purchase to validate the purchase date and return it.

I believe this one may have been a special version offered to Shure executives upon the introduction of the in mid The element in this mic is dated June The tag is navy blue with embossed lettering. I have no idea who the original owner was but I do know who it will be buried with! My personal collection of mics and elements consists of about 30 microphones which are mostly Shure bullets, and some of the various models of the Astatic JT30 which have different model numbers from the early Astatic years.

You may be able to see the subtle differences between the various models, or maybe not. I do know that the early models were made in Youngstown Ohio, and the later models were made in Conneaut Ohio. The end of the shells that are more pointed give them the appearance of being slightly shorter, whether they actually are or not. Whatever the case, I prefer the more pointed shells myself. You should be able to notice the bottom part of the shells, the part where the tags are attached, are deeper on the early models than they are on the later models too.

The new grilles being used on the latest version of the Blues Blaster seem to have lost almost all the detail, and are slightly deeper than the older grilles. The rest are some of the lesser known models, and mics that I have customized in one way or another.


The present invention concerns a micromechanical microphone with a housing in which a transducer element is placed, and which has a sound inlet on one side of the transducer element and a pressure compensation hole on the other side. Primarily the pressure compensation hole has a high acoustic impedance at audio frequencies, and is placed in a, in other respects, closed rear chamber. The transducer element normally consists of a membrane which deflects due to the sound pressure, and an arrangement to convert this deflection into an electrical signal.

Commonly known microphones of small dimensions, as of the magnitude 3.

25, MICROPHONE SUPPORT William L. Woodworth, Youngstown, Ohio, assignor to The Astatic Corporation, Youngstown, Ohio, a corporation of Ohio.

Order by:. Available to:. Vintage Original Astatic Microphone Bag. The paint looks like it is fresh from the factory. The hammertone design is very vibrant This set includes Astatic JT with working crystal that is weak.

US2263668A – Microphone support – Google Patents

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I discovered a couple of Astatic D Microphones. Mic connections and manuals for lots of radios –

Hello and welcome to The House of Chrome. This unit has been tested and sadly does not work any more. This should be used for prop or display purposes only until a replacement element is used. This would make a great display piece and even make an excellent candidate for a mic lamp. This 77 has a classic midcentury look and was used by many musicians of that era as the mic had a fantastic sound. No dents, scratches or engravings. There are zero rips in the screens too.

Astatic JT30 brown + capsula shure vintage

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