Title:
トランスポンダ通信装置
Document Type and Number:
Japanese Patent JP4190587
Kind Code:
B2
Abstract:
A transponder communication device interrogates an operational test transponder that is permanently within a receiving range of the transponder communication device. In response thereto, the operational test transponder sends operational test information to the transponder communication device. The transponder communication device checks whether received operational test information is valid, and generates an error signal if the received operational test information is invalid.
Inventors:
Berger Dominique Joseph
Staudinger Max
Staudinger Max
Application Number:
JP52935598A
Publication Date:
December 03, 2008
Filing Date:
March 19, 1998
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
H04B1/59; H04B17/00; G06K17/00; G06K19/07; H04B5/02; H04Q5/22
Domestic Patent References:
| JP3206740A | ||||
| JP6131510A | ||||
| JP6201821A | ||||
| JP9093328A |
Attorney, Agent or Firm:
Kenji Yoshitake
Hidetoshi Tachibana
Takeshi Sekine
Takahashi
Hidetoshi Tachibana
Takeshi Sekine
Takahashi