Very high frequency transponder, in particular a UHF...

Details Very high frequency transponder, in particular a UHF... Very high frequency transponder, in particular a UHF...

2005-12-15

2009-10-06

Brown, Vernal U (Department: 2612)

Communications: electrical

Selective

Interrogation response

C340S010400, C340S572100, C340S572200, C340S572400, C340S662000, C340S657000, C361S056000, C361S057000, C361S111000

Reexamination Certificate

active

07598843

ABSTRACT:
The UHF transponder includes protection against electrostatic discharge (ESD) formed by the modulation transistor (T1) and additional control means (20) for said transistor which fulfils two functions: its first response signal modulation function and an additional ESD protection function.

REFERENCES:
patent: 5345231 (1994-09-01), Koo et al.
patent: 5815355 (1998-09-01), Dawes
patent: 6549064 (2003-04-01), Bandy et al.
patent: 7460345 (2008-12-01), Brandl
patent: 2 330 957 (1999-05-01), None
patent: WO 96/38805 (1996-12-01), None
patent: WO 02/27650 (2002-04-01), None
patent: WO 2004/107077 (2004-12-01), None
European Search Report in corresponding European patent application No. EP 04 02 9823, completed Jan. 25, 2005.

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