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:
Dec. 01, 2009
Filed:
Mar. 16, 2005
Krishnasamy Anandakumar, San Diego, CA (US);
Martin George Morris, Vista, CA (US);
Suresh Kumar Singamsetty, Carlsbad, CA (US);
Dennis Ching Chung Kwan, San Diego, CA (US);
Hock Thye Law, Carlsbad, CA (US);
Krishnasamy Anandakumar, San Diego, CA (US);
Martin George Morris, Vista, CA (US);
Suresh Kumar Singamsetty, Carlsbad, CA (US);
Dennis Ching Chung Kwan, San Diego, CA (US);
Hock Thye Law, Carlsbad, CA (US);
Free Alliance Sdn Bhd, Kuala Lumpur, MY;
Abstract
A wireless interface device is used to RF communicate between a computer system and input devices comprising a keyboard and a mouse. The interface device comprises a radio transmitter and receiver, wherein a modem encodes data to be sent by the radio transmitter and decodes data received by the radio receiver. A baseband circuit encrypts data to be transmitted and decrypts received data. The wireless interface device has power saving functions to extend the battery life of the input device and has the capability to automatically select between several communication frequencies or channels as well as automatically select between RF data rates.