CH224236A - Monitoring frame with magnetizable core. - Google Patents

Monitoring frame with magnetizable core.

Info

Publication number: CH224236A
Authority: CH; Switzerland
Prior art keywords: monitoring frame; magnetizable core; magnetizable; core; monitoring
Prior art date: 1938-12-23

Application number

Other languages

German (de)

Inventor

Fides Gesellschaft Beschraenk

Original Assignee

Fides Gmbh

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.)

1938-12-23

Filing date

1940-03-15

Publication date

1942-11-15

1940-03-15 Application filed by Fides Gmbh filed Critical Fides Gmbh

1942-11-15 Publication of CH224236A publication Critical patent/CH224236A/en

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C335/00—Thioureas, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C335/04—Derivatives of thiourea
- C07C335/16—Derivatives of thiourea having nitrogen atoms of thiourea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C335/22—Derivatives of thiourea having nitrogen atoms of thiourea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton being further substituted by carboxyl groups
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/04—Details
- G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
General Physics & Mathematics (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Insulating Of Coils (AREA)

CH224236D 1938-12-23 1940-03-15 Monitoring frame with magnetizable core. CH224236A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DE224236X		1938-12-23
DES16414D DE968243C (en)	1938-12-23	1938-12-28	Monitoring frame with magnetizable core in the manner of the earth core
DE170339X		1939-03-17

Publications (1)

Publication Number	Publication Date
CH224236A true CH224236A (en)	1942-11-15

Family

ID=42731913

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH224236D CH224236A (en)	1938-12-23	1940-03-15	Monitoring frame with magnetizable core.

Country Status (3)

Country	Link
CH (1)	CH224236A (en)
DE (1)	DE968243C (en)
FR (1)	FR869869A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2939138A (en) *	1956-11-06	1960-05-31	Collins Radio Co	Bearing correction means for a direction finding antenna

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE217245A (en) *	1923-06-06
DE714189C (en) *	1938-10-06	1941-11-25	Telefunken Gmbh	Monitoring frame with shielding cylinder

1938
- 1938-12-28 DE DES16414D patent/DE968243C/en not_active Expired
1940
- 1940-03-15 CH CH224236D patent/CH224236A/en unknown
1941
- 1941-02-08 FR FR869869D patent/FR869869A/en not_active Expired

Also Published As

Publication number	Publication date
FR869869A (en)	1942-02-24
DE968243C (en)	1958-01-30

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