Although unannounced searches are not explicitly prohibited in the Constitution, the Fourth Amendment's protection against unreasonable searches and seizures implicity embraces the common law principle that law enforcement officers should announce their purpose and authority before forcibly entering an individual's home.
Despite this common law background, 34 states, the District of Columbia, and the federal government have enacted statutes requiring that law enforcement officers knock and announce their presence prior to making forced entry to premises.
ACE*COMM announces ACE*COMM Network Business Intelligence(TM) (NBI) solutions
Asentinel announces the first user conference for the telecom expense management industry
Cognio will announce WiFi and RFID enhancements to its Spectrum Expert(TM) platforms.
Crescendo Networks will announce its NxTGen Architecture, the first multi-gigabit, feature concurrent application delivery solution for data centers.
E[acute accent]--Alcatel announces OmniSwitch 6800L and OmniVista 2770 Quarantine Manager
announces the launch of its Ultra High Capacity Portable External Lithium Super Battery
July 5, 2005 - Advance Nanotech subsidiary Bio-Nano Sensium Technologies announces a limited beta test program of its wireless biosensor system.
March 15, 2005 - Advance Nanotech announces it would fund the latest research of Dr.
February 3 - AVNA announces the final closing of a $20 million financing of common stock and the formation of, and initial appointments to, the company's Corporate Advisory Board.
February 16 - AVNA announces a joint venture with Toumaz Technology Ltd.