# US 8,542,131 B2 · Musical key fob vehicle locator > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,542,131 B2 - Document ID: US8542131B2 - Status: Granted - Kind: B2 - Application number: 13/052,036 - Filed: 2011-03-18 - Published: 2012-09-20 - Granted: 2013-09-24 - Earliest claimed: 2011-03-18 - Applicants: Deborah Michelle Jahn - Inventors: Deborah Michelle Jahn - Web page: https://patentgrep.com/patent/US8542131B2 ## CPC - G08G 1/005: including pedestrian guidance indicator - G08G: TRAFFIC CONTROL SYSTEMS (guiding railway traffic, ensuring the safety of railway traffic B61L; arrangement of road signs or traffic signals E01F9/00; radar or analogous systems, sonar systems, lidar systems specially adapted for traffic control G01S13/91, G01S15/88, G01S17/88; {radar or analogous systems, sonar systems, lidar systems specially adapted for anti-collision purposes G01S13/93, G01S15/93, G01S17/93}) ## Abstract A musical key fob vehicle locator is disclosed that provides the ability to locate one's vehicle audibly. The musical key fob vehicle locator provides a radiofrequency linked controller to a vehicle and contains a digital audio file system to play music, a song, a riff or other recorded music composed and performed by musicians using actual musical instruments to facilitate the recording. This approach provides a pleasant, personalized, and uniquely recognizable audio locator that reflects the taste, personality, and likes of the vehicle owner. ## Claims ### Claim 1 A musical key fob vehicle locator system for finding a vehicle in a parking area, the locator system comprising: a portable radiofrequency controller for producing a cellular network frequency output; a radiofrequency receiver operable on the cellular network frequency output of said portable radiofrequency controller and installed in a vehicle; a digital audio file system wirelessly controlled by said portable radiofrequency controller through control signals output from said radiofrequency receiver and installed in a vehicle; a digital audio file source that provides digital audio files to the digital audio file system; an amplifier electrically coupled to an output of said digital audio file system and installed in a vehicle; and a speaker electrically coupled to an output of said amplifier and installed in a vehicle. ### Claim 2 (depends on 1) The musical key fob locator system of claim 1 wherein said digital audio file source is a non-volatile memory device. ### Claim 3 (depends on 1) The musical key fob locator system of claim 1 wherein said digital audio file source is a magnetic storage device. ### Claim 4 (depends on 1) The musical key fob locator system of claim 1 wherein said digital audio file source is an optical storage device. ### Claim 5 (depends on 1) The musical key fob locator system of claim 1 further comprising a door lock and unlock function. ### Claim 6 (depends on 1) The musical key fob locator system of claim 1 further comprising a trunk lock and unlock function. ### Claim 7 (depends on 1) The musical key fob locator system of claim 1 further comprising a panic button function. ### Claim 8 (depends on 1) The musical key fob locator system of claim 1 further comprising a volume control function. ### Claim 9 (depends on 1) The musical key fob locator system of claim 1 further comprising a vehicle start function. ### Claim 10 (depends on 1) The musical key fob locator system of claim 1 further comprising a digital audio file control function. ### Claim 11 (depends on 1) The musical key fob locator system of claim 1 wherein said portable radiofrequency controller is a wireless communications device. ### Claim 12 A method for locating a vehicle in a parking area comprising the steps of: enabling a portable radiofrequency controller; producing a cellular network signal at the portable radiofrequency controller; receiving the produced cellular network signal at a radiofrequency receiver installed in a vehicle; activating a digital audio file system play function by producing a control signal at the radiofrequency receiver installed in a vehicle upon receipt of the produced cellular network signal; and disabling the digital audio file system. ### Claim 13 (depends on 12) The method of claim 12 wherein said portable radiofrequency controller is a wireless communications device. ### Claim 14 A musical key fob vehicle locator system for finding a vehicle in a parking area, the locator system comprising: a wireless communications device for producing information content comprising control signals contained within a radiofrequency output; a cellular communications network for receiving said radiofrequency output and relaying the information content of said radiofrequency output; a radiofrequency receiver for receiving said information content; a digital audio file system wirelessly controlled by said wireless communications device through control signals output from said wireless communications device; a digital audio file source that provides digital audio files to the digital audio file system; an amplifier electrically coupled to an output of said digital audio file system; and a speaker electrically coupled to an output of said amplifier. ### Claim 15 (depends on 14) The musical key fob locator system of claim 14 further comprising a volume control function. ### Claim 16 (depends on 14) The musical key fob locator system of claim 14 further comprising a digital audio file control function. ### Claim 17 (depends on 14) The musical key fob locator system of claim 14 further comprising a digital audio file transfer function. ### Claim 18 (depends on 14) The musical key fob locator system of claim 14 further comprising a digital audio file purchase function.