Noise cancellation device
Latest Umevoice, Inc. Patents:
Description
FIG. 1 is a perspective view of a first embodiment as seen from the front and upper right of a noise cancellation device showing our new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a perspective view of a second embodiment as seen from the front and upper right of a noise cancellation device;
FIG. 8 is a right side elevational view thereof;
FIG. 9 is a left side elevational view thereof;
FIG. 10 is a top plan view thereof;
FIG. 11 is a front elevational view thereof; and,
FIG. 12 is a rear elevational view thereof.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D427998
Type: Grant
Filed: Jul 20, 1999
Date of Patent: Jul 11, 2000
Assignee: Umevoice, Inc. (Novato, CA)
Inventors: Joseph B. Tate (Sausalito, CA), Steven B. Wolff (Woodacre, CA), Vidya Sagar Rao (San Ramon, CA)
Primary Examiner: Brian N. Vinson
Law Firm: Burns Doane Swecker & Mathis L.L.P.
Application Number: 0/108,105
Type: Grant
Filed: Jul 20, 1999
Date of Patent: Jul 11, 2000
Assignee: Umevoice, Inc. (Novato, CA)
Inventors: Joseph B. Tate (Sausalito, CA), Steven B. Wolff (Woodacre, CA), Vidya Sagar Rao (San Ramon, CA)
Primary Examiner: Brian N. Vinson
Law Firm: Burns Doane Swecker & Mathis L.L.P.
Application Number: 0/108,105
Classifications
Current U.S. Class:
Telephone Equipment (D14/240);
Mouthpiece Or Earpiece (24) (D14/249)
International Classification: 1403;
International Classification: 1403;