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Systems and methods for communicating in a personal area network
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Secure gateway having user identification and password authentication
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High amplitude sound wave generator
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Acoustic surveillance apparatus and method
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Wireless personal area network with automatic detachment
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Communications protocol in a wireless personal area network
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Bandwidth allocation in a wireless personal area network
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Biometric certificates
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Biometric certifying authorities
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System and method for authenticating electronic transactions using biometric certificates
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System and method for providing a unified communications link between divergent communication networks
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Method for providing video programming nearly on demand
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Inventory management method
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Schedule management method
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Telecommunication system with burst and continuous audio signals
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Voltage tunable half wavelength microstrip filter
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