US Patent No: 4,395,594

Number of patents in Portfolio can not be more than 2000

Method and apparatus for forcing randomization of idle channel seizures

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Importance

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Abstract

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A base station (14) in an idle channel marked mobile radiotelephone system is provided with means (26, 27) for inhibiting station removal of idle marking tone from a channel for a time interval .tau..sub.RD of randomly selectable duration following initiation of the tone on the channel. That inhibit interval forces mobile units using so-called instant channel grabbers at idle tone initiation time to operate through at least two full executions of the normal access-requesting tone program, thereby providing an opportunity for a mobile unit using a random-delay seizure algorithm to access the channel between or during the executions of the instant channel grabber mobile unit.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AMERICAN TELEPHONE AND TELEGRAPH COMPANYMURRAY HILL, NJ1082
BELL TELEPHONE LABORATORIES, INCORPORATEDMURRAY HILL, NJ13

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Meyerle, John A Manasquan, NJ 1 4

Cited Art Landscape

Patent Info (Count) # Cites Year
 
AKAMAI TECHNOLOGIES, INC. (1)
* 2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 26 2009
 
U.S. PHILIPS CORPORATION (1)
* 4,319,222 Transmitter apparatus for an information transmission system 7 1980
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
AT&T CORP. (1)
* 5,875,401 Method and apparatus for initiating wireless messages 91 1996
 
GENERAL ELECTRIC COMPANY (1)
* 4,658,435 Radio trunking system with transceivers and repeaters using special channel acquisition protocol 47 1985
 
MOTOROLA, INC. (1)
* 4,811,380 Cellular radiotelephone system with dropped call protection 60 1988
 
Other [Check patent profile for assignment information] (1)
* 4,601,059 Communications control circuit with adaptive timing 4 1984
* Cited By Examiner