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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dictaphone Corp
Original Assignee
Dictaphone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dictaphone CorpfiledCriticalDictaphone Corp
Application grantedgrantedCritical
Publication of FR1088902ApublicationCriticalpatent/FR1088902A/fr
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
G11B5/004—Recording on, or reproducing or erasing from, magnetic drums
FR1088902D1949-04-081950-04-08Procédé et appareil d'enregistrement sonore pour indiquer le degré d'avancement de l'enregistrement
ExpiredFR1088902A
(fr)