FR877658A - Dispositif d'antennes dirigées pour larges bandes de fréquences - Google Patents

Dispositif d'antennes dirigées pour larges bandes de fréquences

Info

Publication number
FR877658A
FR877658A FR877658DA FR877658A FR 877658 A FR877658 A FR 877658A FR 877658D A FR877658D A FR 877658DA FR 877658 A FR877658 A FR 877658A
Authority
FR
France
Prior art keywords
frequency bands
wide frequency
directed antennas
antennas
directed
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 FR877658A publication Critical patent/FR877658A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C13—SUGAR INDUSTRY
    • C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
    • C13B5/00—Reducing the size of material from which sugar is to be extracted
    • C13B5/06—Slicing sugar beet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/24—Feelers; Feeler units
    • B23Q35/26—Feelers; Feeler units designed for a physical contact with a pattern or a model
    • B23Q35/30—Feelers; Feeler units designed for a physical contact with a pattern or a model for control of an electrical or electro-hydraulic copying system
    • B23Q35/32—Feelers; Feeler units designed for a physical contact with a pattern or a model for control of an electrical or electro-hydraulic copying system in which the feeler makes and breaks an electrical contact or contacts, e.g. with brush-type tracers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/54—Arrangements or details not restricted to group B23Q5/02 or group B23Q5/22 respectively, e.g. control handles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/305—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with sulfur or sulfur-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/14—Fungi; Culture media therefor
    • C12N1/16—Yeasts; Culture media therefor
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/22—Processes using, or culture media containing, cellulose or hydrolysates thereof
    • C—CHEMISTRY; METALLURGY
    • C13—SUGAR INDUSTRY
    • C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
    • C13B5/00—Reducing the size of material from which sugar is to be extracted
    • C13B5/08—Knives; Adjustment or maintenance thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/03—Biasing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
FR877658D 1940-11-21 1941-12-11 Dispositif d'antennes dirigées pour larges bandes de fréquences Expired FR877658A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE224519X 1940-11-21
DE131240X 1940-12-13
DE100141X 1941-01-10

Publications (1)

Publication Number Publication Date
FR877658A true FR877658A (fr) 1942-12-14

Family

ID=27180306

Family Applications (5)

Application Number Title Priority Date Filing Date
FR877024D Expired FR877024A (fr) 1940-11-21 1941-11-15 Commande pour machines à reproduire, notamment pour fraiseuses à reproduire
FR877658D Expired FR877658A (fr) 1940-11-21 1941-12-11 Dispositif d'antennes dirigées pour larges bandes de fréquences
FR878391D Expired FR878391A (fr) 1940-11-21 1942-01-10 Acide 1.5-dichloro-naphtalène-4.8-dicarboxylique, acide 1.5-dichloro-4.8-di-(oméga-chloracétyle)-naphtalène et procédé de préparation de ces produits
FR53326D Expired FR53326E (fr) 1940-11-21 1944-01-29 Dispositif d'antennes dirigées pour larges bandes de fréquence
FR53668D Expired FR53668E (fr) 1940-11-21 1944-05-31 Dispositif d'antennes dirigées pour larges bandes de fréquences

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR877024D Expired FR877024A (fr) 1940-11-21 1941-11-15 Commande pour machines à reproduire, notamment pour fraiseuses à reproduire

Family Applications After (3)

Application Number Title Priority Date Filing Date
FR878391D Expired FR878391A (fr) 1940-11-21 1942-01-10 Acide 1.5-dichloro-naphtalène-4.8-dicarboxylique, acide 1.5-dichloro-4.8-di-(oméga-chloracétyle)-naphtalène et procédé de préparation de ces produits
FR53326D Expired FR53326E (fr) 1940-11-21 1944-01-29 Dispositif d'antennes dirigées pour larges bandes de fréquence
FR53668D Expired FR53668E (fr) 1940-11-21 1944-05-31 Dispositif d'antennes dirigées pour larges bandes de fréquences

Country Status (4)

Country Link
BE (1) BE443465A (fr)
CH (8) CH131240A (fr)
FR (5) FR877024A (fr)
NL (1) NL103708C (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2480154A (en) * 1945-01-27 1949-08-30 Rca Corp Antenna
US2511029A (en) * 1945-02-06 1950-06-13 Int Standard Electric Corp Dipole antenna system
US2513078A (en) * 1947-06-19 1950-06-27 Andrew Corp Broad band television antenna
US2519209A (en) * 1945-03-30 1950-08-15 Hazeltine Research Inc Antenna
US2524993A (en) * 1945-09-14 1950-10-10 Victor H Rumsey Antenna
US2608658A (en) * 1949-09-23 1952-08-26 Ricka Richards Television antenna construction

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE866772C (de) * 1943-06-20 1953-02-12 Rieter Joh Jacob & Cie Ag Putzvorrichtung fuer Streckwerke
DE966670C (de) * 1944-01-20 1957-08-29 Armour Res Foundation Of Illin Magnetische Aufzeichnungsvorrichtung
DE927900C (de) * 1946-10-23 1955-05-20 British Acoustic Films Ltd Verfahren zum Markieren der unsichtbaren Tonaufzeichnungen von Magnettonbaendern
US2641621A (en) * 1950-02-27 1953-06-09 Albert E Greene Electric induction furnace
DE915670C (de) * 1951-08-17 1954-07-26 Thoma Company G M B H Putzvorrichtung fuer Textilmaschinen, insbesondere Spinnmaschinen
DE1034382B (de) * 1952-01-26 1958-07-17 Deutsche Elektronik Gmbh Verfahren und Vorrichtung zur sichtbaren Kennzeichnung des besprochenen Teiles von Magnetogrammtraegern
DE1021180B (de) * 1953-05-08 1957-12-19 Daniel Tefi Apparatebau Tonband
US2793344A (en) * 1953-11-23 1957-05-21 Donald K Reynolds Magnetic record testing means
DE1217092B (de) * 1962-10-05 1966-05-18 Teldec Telefunken Decca Verfahren zur Vervielfaeltigung von Aufzeichnungen auf Magnettonbaendern und Einrichtung zu seiner Durchfuehrung
DE3423619C2 (de) * 1984-06-27 1986-09-04 Balcke-Dürr AG, 4030 Ratingen Vorrichtung zur Reinigung der wärmetauschenden Flächen der Speichermassen von Regenerativ-Wärmetauschern
US5282575A (en) * 1992-04-24 1994-02-01 Dorr-Oliver Incorporated High pressure screen shower

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2480154A (en) * 1945-01-27 1949-08-30 Rca Corp Antenna
US2511029A (en) * 1945-02-06 1950-06-13 Int Standard Electric Corp Dipole antenna system
US2519209A (en) * 1945-03-30 1950-08-15 Hazeltine Research Inc Antenna
US2524993A (en) * 1945-09-14 1950-10-10 Victor H Rumsey Antenna
US2513078A (en) * 1947-06-19 1950-06-27 Andrew Corp Broad band television antenna
US2608658A (en) * 1949-09-23 1952-08-26 Ricka Richards Television antenna construction

Also Published As

Publication number Publication date
FR53668E (fr) 1946-07-11
FR877024A (fr) 1942-11-25
CH225358A (de) 1943-01-31
CH225764A (de) 1943-02-28
CH224519A (de) 1942-11-30
CH131240A (de) 1929-01-31
CH226051A (de) 1943-03-15
FR53326E (fr) 1945-10-16
NL103708C (fr)
FR878391A (fr) 1943-01-19
CH225551A (de) 1943-02-15
BE443465A (fr)
CH224999A (de) 1942-12-31
CH225210A (de) 1943-01-15

Similar Documents

Publication Publication Date Title
FR877658A (fr) Dispositif d'antennes dirigées pour larges bandes de fréquences
CH274634A (fr) Installation radioélectrique pour la réception d'ondes porteuses à impulsions.
FR894036A (fr) Dispositif d'accord de circuits oscillants
FR870819A (fr) Dispositif pour la réception d'ondes de fréquence ultra-élevée
FR870791A (fr) Générateur d'ondes ultra-courtes
FR837998A (fr) Dispositif d'antenne
FR873233A (fr) Antenne pour ondes courtes et ultra-courtes
FR951361A (fr) Dispositif d'accord
FR877453A (fr) Dispositif d'accord pour récepteurs radiophoniques du type superhétérodyne
FR877351A (fr) Dispositif d'accord inductif
FR52731E (fr) Dispositif d'antennes dirigées pour larges bandes de fréquences
FR878645A (fr) Appareil d'adaptation d'antenne pour ondes ultra-courtes
FR862402A (fr) Dispositifs récepteurs d'ondes radio-électriques
FR885836A (fr) Dispositif d'accord pour récepteur radio-électrique
FR884537A (fr) Dispositif de transformation d'impédances
FR883439A (fr) Dispositif pour transmettre des oscillations en haute fréquence à l'aide de conducteurs creux
FR885192A (fr) Dispositif d'accord pour appareil récepteur radio-électrique
FR874944A (fr) Dispositif d'accord pour ondes courtes
FR880368A (fr) Dispositif pour l'extension des bandes d'accord
FR971885A (fr) Dispositif de pointage réciproque d'émetteurs-récepteurs de photo-téléphonie ouphoto-télégraphie
FR949660A (fr) Dispositif de polarisation d'électrode pour appareillage à haute fréquence
FR894863A (fr) Dispositif pour la production d'ondes sonores
FR875458A (fr) Dispositif pour régler la fréquence propre de circuits électriques oscillants
FR895783A (fr) Circuit oscillant pour ondes ultra-courtes
FR885804A (fr) Générateur d'ondes ultra-courtes