Communications: directive radio wave systems and devices (e.g. – Radar transponder system – Unique identity
Patent
1987-05-29
1990-05-15
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Radar transponder system
Unique identity
342 51, G01S 1380
Patent
active
049261827
ABSTRACT:
A microwave data transmission apparatus adapted to transmit and receive information by microwaves, which the identification tag is made smaller in size and lighter in weight to considerably improve the convenience in setting operation for use in many applications, can be applied for the production control within the factory or the control for entering and leaving the room by a person having an identification tag.
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Copy of European Search Report.
Copy of Annex to European Search Report.
Higashi Kazutada
Nakano Hiroshi
Ohta Tomozo
Yamamoto Hirohiko
Sharp Kabushiki Kaisha
Sotomayor John B.
Tarcza Thomas H.
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