Invention Grant
- Patent Title: Remote entry chirp sound reduction method and system
- Patent Title (中): 远程进入啁啾声减少方法和系统
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Application No.: US12132011Application Date: 2008-06-03
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Publication No.: US07825779B2Publication Date: 2010-11-02
- Inventor: John Van Wiemeersch , John Demetriou , Lisa Boran
- Applicant: John Van Wiemeersch , John Demetriou , Lisa Boran
- Applicant Address: US MI Dearborn
- Assignee: Ford Global Technologies, LLC
- Current Assignee: Ford Global Technologies, LLC
- Current Assignee Address: US MI Dearborn
- Agency: Frank MacKenzie; Price, Heneveld, Cooper, DeWitt & Litton, LLP
- Main IPC: B60R25/10
- IPC: B60R25/10

Abstract:
A vehicle remote entry locking or unlocking chirp sound reduction system including a remote transmitter operable to transmit a signal, a receiver operable to receive the signal from the remote transmitter, a controller operably connected to the receiver and being operable in response to the signal from the remote transmitter, and a horn operably connected to the controller. The controller may be configured to cause the horn to generate an audible signal having a predetermined pulse duration which depends on at least one characteristic of a vehicle prior to or during actuation of the remote transmitter. Also provided is a method of reducing the sound of an audible signal generated by actuation of a vehicle remote entry system.
Public/Granted literature
- US20090295553A1 REMOTE ENTRY CHIRP SOUND REDUCTION METHOD AND SYSTEM Public/Granted day:2009-12-03
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