Invention Grant
- Patent Title: Secure data transfer on a handheld communications device
- Patent Title (中): 在手持通信设备上安全的数据传输
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Application No.: US12394746Application Date: 2009-02-27
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Publication No.: US08345866B2Publication Date: 2013-01-01
- Inventor: Marc Drader , James Robinson , Michael Purdy
- Applicant: Marc Drader , James Robinson , Michael Purdy
- Applicant Address: CA Waterloo, Ontario
- Assignee: Research In Motion Limited
- Current Assignee: Research In Motion Limited
- Current Assignee Address: CA Waterloo, Ontario
- Agency: McCarthy Tétrault LLP
- Main IPC: H04L9/00
- IPC: H04L9/00
Abstract:
A handheld communications device comprises a display device, and a data processor that is in communication with the display device. The data processor is configured to generate an encryption key, and vary a visual output of the display device in accordance with a bit sequence of the encryption key. The varying visual output comprises a sequence of colors rendered on the display device and/or brightness levels output by the display device.
Public/Granted literature
- US20100223461A1 SECURE DATA TRANSFER ON A HANDHELD COMMUNICATIONS DEVICE Public/Granted day:2010-09-02
Information query
