BE420486A - - Google Patents

Info

Publication number: BE420486A
Authority: BE; Belgium

Application number

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.)

1937-05-28

Publication of BE420486A publication Critical patent/BE420486A/xx

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/02—Indicating arrangements
- H03J1/04—Indicating arrangements with optical indicating means
- H03J1/044—Illumination of the tuning dial; On and off switching of the illumination; Circuits related with illumination

BE420486D 1937-05-28 BE420486A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR49019T		1937-05-28

Publications (1)

Publication Number	Publication Date
BE420486A true BE420486A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=8684253

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE420486D BE420486A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1937-05-28

Country Status (3)

Country	Link
BE (1)	BE420486A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (2)	FR815175A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1)	GB507556A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

0
- BE BE420486D patent/BE420486A/xx unknown
1936
- 1936-12-18 FR FR815175D patent/FR815175A/fr not_active Expired
1937
- 1937-05-28 FR FR49019D patent/FR49019E/fr not_active Expired
- 1937-12-18 GB GB35136/37A patent/GB507556A/en not_active Expired

Also Published As

Publication number	Publication date
FR815175A (fr)	1937-07-07
FR49019E (fr)	1938-10-14
GB507556A (en)	1939-06-19

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