Abstract An electronic temperature measuring and indicating device, in which a sensing head which is exposed to the temperature to be measured, is connected to a conventional electronic analog to digital read-out device. A battery supplies the power to the unit and is connected through a mercury switch to the analog digital converter. When the thermometer is held in its upright operating position, the mercury switch establishes contact between wires leading from the switch and the battery. When the device is not in use and is placed in a substantially horizontal position, the mercury flows to a portion of a switch chamber in which no electrical connection is made between the wires, and the thermometer in its ''''off'''' position causes no drain on the battery. All components are completely encased within a sealed, leak-proof housing.
Inventors
👤 Robert A Cone
Bibliographic Details
Application Number—
JurisdictionUS
Data Sourcegoogle_patents
Last Synchronized2026-10-31 02:05
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/16; G01K1/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
116 words
An electronic thermometer comprising: a sensing head for measuring the ambient temperature; power means; an electronic analog to digital converter; electronic digital read-out means; position responsive switch means connected to said power means and to said analog to digital converter for establishing an electrical connection therebetween; sealed housing for said power means, said analog to digital converter, said electric digital read-out means and said switch means; said thermometer being maintainable in a substantially horizontal position and in a substantially vertical position, and said electrical connection being established for measuring the ambient temperature when the thermometer is maintained in one of said positions and being broken when said thermometer is maintained in the ohter of said positions.
Claim 2
Dependent Claim
116 words
An electronic thermometer comprising: a sensing head for measuring the ambient temperature; power means; an electronic analog to digital converter; electronic digital read-out means; position responsive switch means connected to said power means and to said analog to digital converter for establishing an electrical connection therebetween; sealed housing for said power means, said analog to digital converter, said electric digital read-out means and said switch means; said thermometer being maintainable in a substantially horizontal position and in a substantially vertical position, and said electrical connection being established for measuring the ambient temperature when the thermometer is maintained in one of said positions and being broken when said thermometer is maintained in the ohter of said positions.
Claim 3
Dependent Claim
34 words
The electronic thermometer of claim 1 in which the ambient temperature is measured by the thermometer in substantially vertical position and the electrical connection is broken when the thermometer is in substantially horizontal position.
Claim 4
Dependent Claim
15 words
The electronic thermometer of claim 1 in which the switch means comprise a mercury switch.
Claim 5
Dependent Claim
14 words
The electronic thermometer of claim 3 in which the power means comprise a battery.