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This Proposal has been approved, and is now a Milestone
To the proposer’s knowledge, is this achievement subject to litigation?
Is the achievement you are proposing more than 25 years old? Yes
Is the achievement you are proposing within IEEE’s designated fields as defined by IEEE Bylaw I-104.11, namely: Engineering, Computer Sciences and Information Technology, Physical Sciences, Biological and Medical Sciences, Mathematics, Technical Communications, Education, Management, and Law and Policy. Yes
Did the achievement provide a meaningful benefit for humanity? Yes
Was it of at least regional importance? Yes
Has an IEEE Organizational Unit agreed to pay for the milestone plaque(s)? Yes
Has an IEEE Organizational Unit agreed to arrange the dedication ceremony? Yes
Has the IEEE Section in which the milestone is located agreed to take responsibility for the plaque after it is dedicated? Yes
Has the owner of the site agreed to have it designated as an IEEE Milestone? Yes
Year or range of years in which the achievement occurred:
Title of the proposed milestone:
Single-element unidirectional microphone - Shure Unidyne I, 1939
Plaque citation summarizing the achievement and its significance:
In 1939, Shure introduced the Unidyne dynamic microphone. Employing the revolutionary Uniphase acoustical design, the patented Unidyne microphone provided directional characteristics with a single dynamic microphone element. This break-through of using a single element instead of multiple elements to obtain directionality offered lower cost, greater reliability, and improved performance for communication systems and public address systems. Unidyne microphones are still manufactured and widely used today.
In what IEEE section(s) does it reside?
IEEE Organizational Unit(s) which have agreed to sponsor the Milestone:
IEEE Organizational Unit(s) paying for milestone plaque(s):
Unit: Chicago Section
Senior Officer Name: Sharon Phillips
IEEE Organizational Unit(s) arranging the dedication ceremony:
Unit: Chicago Section
Senior Officer Name: Sharon Phillips
IEEE section(s) monitoring the plaque(s):
IEEE Section: Chicago
IEEE Section Chair name: Sharon Phillips
Proposer name: George Thomas
Proposer email: Proposer's email masked to public
Please note: your email address and contact information will be masked on the website for privacy reasons. Only IEEE History Center Staff will be able to view the email address.
Street address(es) and GPS coordinates of the intended milestone plaque site(s):
5800 W. Touhy Ave. Niles, IL 60714-4608
Describe briefly the intended site(s) of the milestone plaque(s). The intended site(s) must have a direct connection with the achievement (e.g. where developed, invented, tested, demonstrated, installed, or operated, etc.). A museum where a device or example of the technology is displayed, or the university where the inventor studied, are not, in themselves, sufficient connection for a milestone plaque.
Please give the address(es) of the plaque site(s) (GPS coordinates if you have them). Also please give the details of the mounting, i.e. on the outside of the building, in the ground floor entrance hall, on a plinth on the grounds, etc. If visitors to the plaque site will need to go through security, or make an appointment, please give the contact information visitors will need. Shure Incorporated 5800 W. Touhy Ave. Niles, IL 60714-4608
Shure Incorporated was the technology developer.
Are the original buildings extant?
The original building location is not a secure option.
Details of the plaque mounting:
The plaque will be mounted on a wall in the lobbly of Shure's worldwide headquarters in Niles, Illinois.
How is the site protected/secured, and in what ways is it accessible to the public?
The building is secure at all times. Visitors can simply enter the lobby entrance to view both the plaque and Shure's display of historical microphones and documents. Additional access to the building would need to be arranged with Shure.
Who is the present owner of the site(s)?
What is the historical significance of the work (its technological, scientific, or social importance)?
What obstacles (technical, political, geographic) needed to be overcome?
What features set this work apart from similar achievements?
Supporting texts and citations to establish the dates, location, and importance of the achievement: Minimum of five (5), but as many as needed to support the milestone, such as patents, contemporary newspaper articles, journal articles, or chapters in scholarly books. 'Scholarly' is defined as peer-reviewed, with references, and published. You must supply the texts or excerpts themselves, not just the references. At least one of the references must be from a scholarly book or journal article. All supporting materials must be in English, or accompanied by an English translation.
Supporting materials (supported formats: GIF, JPEG, PNG, PDF, DOC): All supporting materials must be in English, or if not in English, accompanied by an English translation. You must supply the texts or excerpts themselves, not just the references. For documents that are copyright-encumbered, or which you do not have rights to post, email the documents themselves to firstname.lastname@example.org. Please see the Milestone Program Guidelines for more information.
Please email a jpeg or PDF a letter in English, or with English translation, from the site owner(s) giving permission to place IEEE milestone plaque on the property, and a letter (or forwarded email) from the appropriate Section Chair supporting the Milestone application to email@example.com with the subject line "Attention: Milestone Administrator." Note that there are multiple texts of the letter depending on whether an IEEE organizational unit other than the section will be paying for the plaque(s).