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Gated-clock registers for low-power circuitry
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Temporary equipment identifier message notification method
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Cellular communication system with multiple code rates
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Synchronized frequency hopping
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User interface for cellular telephone
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User interface for cellular telephone
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Method and apparatus for regenerating the symbol clock of a cellular telephone following a sleep cycle
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Method and apparatus for frequency agility in a communication system
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Methods and apparatus for detecting the presence of a prescribed signal in a channel of a communications system
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System and method for increasing the available energy in non-rechargeable batteries
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Method and apparatus for automatic telephone dialing from a pager message
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Matched filters for processing related signal components
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Method and apparatus for improving receiver performance in a land mobile communications system
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Digital modulator and upconverter having single-bit delta-sigma data converters
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Method for reducing time required to receive and decode a temporary equipment identifier message
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Method and apparatus for low power mobile unit for cellular communications system
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Efficient request-reply protocol for a client-server model
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Method and apparatus for efficient handoffs by mobile communication entities
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User interface for cellular telephone
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Portable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messages
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