Reconfigurable handheld device to perform various tasks
First Claim
a. a. A system of downloadable compressed, crypto control program may instruct the handheld device to execute the different tasks.
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Abstract
The present invention relates in general a reconfigurable handheld device that can be used for multiple tasks, such as cell phone, TV receiver, video image transmitter, radar frequency scanner, surveillance terminal, approaching object warning system etc. The invention presents the program downloadable over network to add/sub the capabilities of the handheld devices. The invention presents the way to do real time encoding and compression to make video, audio, text or control message transmission with much less bandwidth needs. The invention presents the way to do quick, low power real time decoding and decompression of the messages received. The invention presents the new application of Radar related in handheld devices. The invention presents the infrastructure of using handheld terminal as surveillance network and database network. The invention presents the multiple iterations of variable length coding to save bandwidth.
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0 Claims
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a. a. A system of downloadable compressed, crypto control program may instruct the handheld device to execute the different tasks.
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b. b. A method to perform real time compression and crypto encoding with limited resource on handheld device.
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c. c. A method to perform real time decryption and decompression with limited resource on handheld device.
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d. d. A method to use handheld device as radar transmitter and receiver.
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e. e. An infrastructure to use handheld devices as surveillance network.
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f. f. An infrastructure to use handheld devices to generate a video clip database.
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g. g. The method of multiple iterations of variable length coding is selected to save the bandwidth.
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h. h. A set of applications including radar detection, radar scan, moving objects detection and warning may be introduced to handheld devices of claim 4.
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i. i. A method of claim 7 wherein a self adaptive decoding of variable length coding
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