Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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Filing date
Publication date
Application filed by RCA Corp, Radio Corporation of AmericafiledCriticalRCA Corp
Application grantedgrantedCritical
Publication of FR864042ApublicationCriticalpatent/FR864042A/fr
G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
G01D15/14—Optical recording elements; Recording elements using X-or nuclear radiation
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR864042D1939-03-311940-03-11Procédé d'enregistrement et de reproduction d'impulsions électriques
ExpiredFR864042A
(fr)