FR879557A - Antenna system - Google Patents
Antenna systemInfo
- 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
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)
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 (en) | 1943-02-26 |
Family
ID=27180256
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR873361D Expired FR873361A (en) | 1940-06-28 | 1941-06-26 | Method of transmission in television by means of a carrier wave |
FR879557D Expired FR879557A (en) | 1940-06-28 | 1942-02-24 | Antenna system |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR873361D Expired FR873361A (en) | 1940-06-28 | 1941-06-26 | Method of transmission in television by means of a carrier wave |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE441870A (en) |
CH (4) | CH220609A (en) |
FR (2) | FR873361A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1020669B (en) * | 1954-01-20 | 1957-12-12 | Siemens Ag | Conducted television transmission system based on the vestigial sideband method |
-
0
- BE BE441870D patent/BE441870A/xx unknown
-
1941
- 1941-06-20 CH CH220609D patent/CH220609A/en unknown
- 1941-06-26 FR FR873361D patent/FR873361A/en not_active Expired
- 1941-08-18 CH CH224629D patent/CH224629A/en unknown
- 1941-09-29 CH CH226129D patent/CH226129A/en unknown
- 1941-11-03 CH CH225870D patent/CH225870A/en unknown
-
1942
- 1942-02-24 FR FR879557D patent/FR879557A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH220609A (en) | 1942-04-15 |
FR873361A (en) | 1942-07-07 |
CH226129A (en) | 1943-03-15 |
CH225870A (en) | 1943-02-28 |
CH224629A (en) | 1942-12-15 |
BE441870A (en) |
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