NL58891C - - Google Patents

Info

Publication number: NL58891C
Authority: NL; Netherlands

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.)

1940-01-02

Publication of NL58891C publication Critical patent/NL58891C/xx

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range

NL58891D 1940-01-02 NL58891C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US312072A US2248242A (en)	1940-01-02	1940-01-02	Radio tuning system

Publications (1)

Publication Number	Publication Date
NL58891C true NL58891C (enrdf_load_stackoverflow)

Family

ID=23209757

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL58891D NL58891C (enrdf_load_stackoverflow)	1940-01-02

Country Status (3)

Country	Link
US (1)	US2248242A (enrdf_load_stackoverflow)
GB (1)	GB546248A (enrdf_load_stackoverflow)
NL (1)	NL58891C (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL59335C (enrdf_load_stackoverflow) *	1940-12-05
BE446844A (enrdf_load_stackoverflow) *	1941-08-16
US2417182A (en) *	1942-10-24	1947-03-11	Rca Corp	Short-wave permeability tuning system
DE974133C (de) *	1943-06-08	1960-09-22	Georg Von Dipl-Ing Schaub	Induktive Abstimmanordnung mit Kernverlagerung
US2486986A (en) *	1943-06-28	1949-11-01	Rca Corp	Permeability tuning system
US2687514A (en) *	1948-08-27	1954-08-24	Rca Corp	Two-band tuning network
US2565261A (en) *	1948-09-11	1951-08-21	Rca Corp	Permeability tuning system for superheterodyne receiver
US2882392A (en) *	1955-03-09	1959-04-14	Rca Corp	Receiver tuned by inductors with tracking by initial positionment of coils on cores

0
- NL NL58891D patent/NL58891C/xx active
1940
- 1940-01-02 US US312072A patent/US2248242A/en not_active Expired - Lifetime
1941
- 1941-01-02 GB GB91/41A patent/GB546248A/en not_active Expired

Also Published As

Publication number	Publication date
US2248242A (en)	1941-07-08
GB546248A (en)	1942-07-03

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