The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 13, 2010
Filed:
Feb. 06, 2006
Paul Griffin, Nashville, TN (US);
Paul Griffin, Nashville, TN (US);
Griffin Technology, Inc., Nashville, TN (US);
Abstract
A rotary encoder is used to select a transmission frequency for an FM transmitter associated with a portable electronic device such as a cellular telephone, MP3 player or other portable type electronic device. The rotary encoder is turned in a clockwise or counterclockwise direction to raise or lower the transmission frequency of the FM transmitter. Movement of the rotary encoder is translated into a frequency change on a linear, circular or exponential basis by a microprocessor. The transmission frequency of the FM transmitter is then altered to the selected frequency and the selected frequency is displayed on an LCD screen of the portable electronic device. The rotary encoder may also be used in connection with an accessory for a portable electronic device.