Apparatus for transmitting contents information

Details Apparatus for transmitting contents information Apparatus for transmitting contents information

1993-04-08

1995-09-05

Hofsass, Jeffery A.

Communications: electrical

Condition responsive indicating system

With particular coupling link

340505, 340584, 340589, 340614, 34082554, 342 50, G08B 310

Patent

active

054482208

ABSTRACT:
An system is provided which, in one embodiment, utilizes an identification unit to identify the contents of a container and to transmit a coded identification signal to a remote receiver unit, thereby allowing emergency personnel or other interested persons to ascertain the contents of the container at an accident site. The identification unit includes a sensor positioned within the storage cavity of the container to detect whether a predetermined unsafe temperature or pressure condition exists therein. If the condition is detected, a coded identification signal, which may be in 8-bit binary form, is generated and transmitted. In an alternate embodiment, the identification unit is modified to answer an interrogation signal transmitted by a remote interrogation device when the interrogation signal corresponds to the material stored in the associated container.

REFERENCES:
patent: 3961323 (1976-06-01), Hartkorn
patent: 4028688 (1977-06-01), Goleman
patent: 4278841 (1981-07-01), Regennitter et al.
patent: 4835522 (1989-05-01), Andrejasich et al.
patent: 4924210 (1990-05-01), Matsui et al.
patent: 4970496 (1990-11-01), Kirkpatrick
patent: 5008661 (1991-04-01), Raj
patent: 5099226 (1992-03-01), Andrews

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