FR842418A - Procédé pour le déphasage d'impulsions de très courte durée - Google Patents
Procédé pour le déphasage d'impulsions de très courte duréeInfo
- Publication number
- FR842418A FR842418A FR842418DA FR842418A FR 842418 A FR842418 A FR 842418A FR 842418D A FR842418D A FR 842418DA FR 842418 A FR842418 A FR 842418A
- Authority
- FR
- France
- Prior art keywords
- short duration
- phase shifting
- shifting pulses
- pulses
- duration
- 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
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0009—Apparatus or processes specially adapted for manufacturing conductors or cables for forming corrugations on conductors or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
- B21C37/205—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with annular guides
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR842418T | 1938-02-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR842418A true FR842418A (fr) | 1939-06-12 |
Family
ID=9311441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR842418D Expired FR842418A (fr) | 1938-02-16 | 1938-02-16 | Procédé pour le déphasage d'impulsions de très courte durée |
Country Status (4)
Country | Link |
---|---|
US (1) | US2208422A (fr) |
CH (1) | CH220878A (fr) |
FR (1) | FR842418A (fr) |
NL (2) | NL91748C (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE767938C (de) * | 1940-11-24 | 1955-03-10 | Telefunken Gmbh | Anordnung zur Herstellung zweier Impulsreihen mit einstellbarer gegenseitiger Phasenverschiebung |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE472150A (fr) * | 1940-02-03 | |||
NL72118C (fr) * | 1941-03-05 | |||
US2421020A (en) * | 1941-03-11 | 1947-05-27 | Standard Telephones Cables Ltd | Detection of obstacles by electromagnetic waves |
BE470448A (fr) * | 1942-03-20 | |||
BE475753A (fr) * | 1942-06-23 | |||
US2416089A (en) * | 1942-06-26 | 1947-02-18 | Gen Electric | Selective pulse amplifier system |
US2433369A (en) * | 1942-07-24 | 1947-12-30 | Standard Telephones Cables Ltd | Antenna system and method of using same |
BE479419A (fr) * | 1942-08-24 | |||
US2438927A (en) * | 1942-08-24 | 1948-04-06 | Standard Telephones Cables Ltd | Modulation means and method |
US2605464A (en) * | 1942-11-28 | 1952-07-29 | James R Moore | Synchronized pulse-echo detection system |
US2624044A (en) * | 1943-01-19 | 1952-12-30 | Allen H Schooley | Precision range finding apparatus |
US2481515A (en) * | 1943-03-30 | 1949-09-13 | Sperry Corp | Method and apparatus for pulseecho distance measuring |
US2948893A (en) * | 1943-04-06 | 1960-08-09 | John Robert Page | Automatic range indicating system |
US2489075A (en) * | 1943-04-17 | 1949-11-22 | Gen Electric | Pulse echo testing apparatus |
US2629867A (en) * | 1943-04-17 | 1953-02-24 | Allen H Schooley | Range aperturing device |
US2512703A (en) * | 1943-10-14 | 1950-06-27 | Sperry Corp | Radar direction and range indicating apparatus |
US2477485A (en) * | 1943-11-12 | 1949-07-26 | Gen Electric | Pulse echo beacon transponder |
US2432516A (en) * | 1943-12-30 | 1947-12-16 | Bell Telephone Labor Inc | Keyed pulse generator |
US2537065A (en) * | 1944-04-18 | 1951-01-09 | Sperry Corp | Gate generator |
US2522367A (en) * | 1944-08-05 | 1950-09-12 | Radio Patents Corp | Radio distance measuring system |
US2483187A (en) * | 1944-08-30 | 1949-09-27 | Philco Corp | Pulse radio echo distance indicator |
US2489852A (en) * | 1944-12-04 | 1949-11-29 | Gen Electric | Electronic trigger pulse generator |
US2591856A (en) * | 1944-12-09 | 1952-04-08 | Bell Telephone Labor Inc | Pulse echo distance indicator |
US2622151A (en) * | 1945-08-03 | 1952-12-16 | Conrad H Hoeppner | Pulse amplitude discriminator circuit |
US2543462A (en) * | 1945-10-19 | 1951-02-27 | Conrad L Longmire | Pulse equalizer |
US2680806A (en) * | 1949-12-24 | 1954-06-08 | Du Mont Allen B Lab Inc | Noise reducing synchronization circuit |
FR1015728A (fr) * | 1950-03-30 | 1952-10-20 | Csf | Perfectionnements aux appareils à faisceau électronique focalisé, tels que notamment microscopes |
-
0
- NL NL220878D patent/NL220878A/xx unknown
- NL NL91748D patent/NL91748C/xx active
-
1938
- 1938-02-16 FR FR842418D patent/FR842418A/fr not_active Expired
- 1938-12-09 US US244814A patent/US2208422A/en not_active Expired - Lifetime
-
1939
- 1939-01-30 CH CH220878D patent/CH220878A/fr unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE767938C (de) * | 1940-11-24 | 1955-03-10 | Telefunken Gmbh | Anordnung zur Herstellung zweier Impulsreihen mit einstellbarer gegenseitiger Phasenverschiebung |
Also Published As
Publication number | Publication date |
---|---|
CH220878A (fr) | 1942-04-30 |
NL91748C (fr) | |
NL220878A (fr) | |
US2208422A (en) | 1940-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR842418A (fr) | Procédé pour le déphasage d'impulsions de très courte durée | |
FR854015A (fr) | Procédé de modulation pour émetteur de t. s. f. | |
FR939024A (fr) | Synchroniseur pour oscillateurs | |
FR861685A (fr) | Procédé pour l'obtention de diazotypie | |
FR857780A (fr) | Procédé et dispositif pour la propulsion | |
FR852547A (fr) | Procédé et dispositif pour le nettoyage des dents | |
FR803632A (fr) | Procédé pour réduire la durée d'impulsions | |
FR841149A (fr) | Distributeur-doseur, notamment pour savons fluides | |
FR856178A (fr) | Procédé pour le refroidissement de béton | |
FR831567A (fr) | Procédé pour la projection de vues animées | |
FR875507A (fr) | Procédé pour l'établissement de constructions démontables | |
FR851990A (fr) | Procédé et dispositif pour la fabrication de magnésium | |
FR848589A (fr) | Procédé et dispositif pour le découpage de tubes de tous genres | |
FR849447A (fr) | Procédé pour la sélection des ondes modulées | |
FR892081A (fr) | Procédé pour fabriquer du beurre | |
FR875887A (fr) | Procédé et dispositif pour la production de magnésium | |
FR842021A (fr) | Procédé d'accumulation mécanique d'impulsions, notamment pour les transmissions télégraphiques | |
FR854355A (fr) | Procédé et dispositif pour améliorer le rendement des savons | |
FR846082A (fr) | Procédé et dispositif pour le reprofilage rationnel des chaussées | |
FR798155A (fr) | Procédé pour l'enregistrement d'impulsions | |
FR874881A (fr) | Procédé et dispositif pour la conduite des moules de chocolat | |
FR890387A (fr) | Disposition pour obtenir de courtes impulsions | |
FR853733A (fr) | Procédé pour la polymérisation des hydrocarbures non saturés | |
FR873207A (fr) | Procédé et dispositif pour la division de fréquences | |
FR857117A (fr) | Procédé pour la solidification du yogourth |