Dual-tone multi-frequency microphone
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Description
FIG. 1 is a top, front left isometric view of one embodiment of a dual-tone multi-frequency microphone showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a rear elevational view thereof.
The broken lines shown in FIGS. 1-4 and 6-7 are included for the purpose of illustrating environmental elements only and form no part of the claimed design.
Claims
The ornamental design for a dual-tone multi-frequency microphone, as shown and described.
Referenced Cited
Patent History
Patent number: D440560
Type: Grant
Filed: Jul 18, 2000
Date of Patent: Apr 17, 2001
Assignee: Motorola, Inc. (Schaumburg, IL)
Inventors: Masaru Tokiyama (Coral Springs, FL), Marc H. Pullman (Bartlett, IL)
Primary Examiner: Nanda Bondade
Attorney, Agent or Law Firm: Frank M. Scutch, III
Application Number: 29/126,645
Type: Grant
Filed: Jul 18, 2000
Date of Patent: Apr 17, 2001
Assignee: Motorola, Inc. (Schaumburg, IL)
Inventors: Masaru Tokiyama (Coral Springs, FL), Marc H. Pullman (Bartlett, IL)
Primary Examiner: Nanda Bondade
Attorney, Agent or Law Firm: Frank M. Scutch, III
Application Number: 29/126,645
Classifications