FR879557A - Système d'antennes - Google Patents

Système d'antennes

Info

Publication number
FR879557A
FR879557A FR879557DA FR879557A FR 879557 A FR879557 A FR 879557A FR 879557D A FR879557D A FR 879557DA FR 879557 A FR879557 A FR 879557A
Authority
FR
France
Prior art keywords
antenna system
antenna
Prior art date
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.)
Expired
Application number
Other languages
English (en)
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR879557A publication Critical patent/FR879557A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B02C18/20—Sickle-shaped knives
    • 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
    • G01S3/08—Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/30—Non-electron-emitting electrodes; Screens characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/002—Chemical composition and manufacture chemical

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Knives (AREA)
FR879557D 1940-06-28 1942-02-24 Système d'antennes Expired FR879557A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE220609X 1940-06-28
DE81040X 1940-10-08
DE141140X 1940-11-14

Publications (1)

Publication Number Publication Date
FR879557A true FR879557A (fr) 1943-02-26

Family

ID=27180256

Family Applications (2)

Application Number Title Priority Date Filing Date
FR873361D Expired FR873361A (fr) 1940-06-28 1941-06-26 Procédé de transmission en télévision au moyen d'une onde porteuse
FR879557D Expired FR879557A (fr) 1940-06-28 1942-02-24 Système d'antennes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR873361D Expired FR873361A (fr) 1940-06-28 1941-06-26 Procédé de transmission en télévision au moyen d'une onde porteuse

Country Status (3)

Country Link
BE (1) BE441870A (fr)
CH (4) CH220609A (fr)
FR (2) FR873361A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020669B (de) * 1954-01-20 1957-12-12 Siemens Ag Leitungsgebundenes Fernsehuebertragungssystem nach dem Restseitenbandverfahren

Also Published As

Publication number Publication date
CH224629A (de) 1942-12-15
CH220609A (de) 1942-04-15
BE441870A (fr)
FR873361A (fr) 1942-07-07
CH226129A (de) 1943-03-15
CH225870A (de) 1943-02-28

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