Invention Grant
- Patent Title: Circuit and method for a wireless accessory of a moblie device
- Patent Title (中): 移动设备的无线附件的电路和方法
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Application No.: US12338936Application Date: 2008-12-18
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Publication No.: US07936226B2Publication Date: 2011-05-03
- Inventor: Jari Akkila
- Applicant: Jari Akkila
- Applicant Address: FI Vantaa
- Assignee: Suunto Oy
- Current Assignee: Suunto Oy
- Current Assignee Address: FI Vantaa
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: FI20075938 20071220
- Main IPC: H03H9/02
- IPC: H03H9/02
Abstract:
The invention relates to a circuit and method for a wireless accessory of a portable computer. The circuit comprises an oscillator circuit, a control circuit connected to the oscillator circuit, and a quenching circuit connected to the oscillator circuit. According to the invention, the oscillator circuit is formed of an LC resonator, the quality factor of which is at least 10, and the quenching circuit is formed in such a way that the energy of the oscillator circuit is discharged by a predefined current.
Public/Granted literature
- US20090160568A1 CIRCUIT AND METHOD FOR A WIRELESS ACCESSORY OF A MOBLIE DEVICE Public/Granted day:2009-06-25
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