NL173440B - Werkwijze voor seismische exploratie. - Google Patents

Werkwijze voor seismische exploratie.

Info

Publication number
NL173440B
NL173440B NLAANVRAGE7012785,A NL173440DA NL173440B NL 173440 B NL173440 B NL 173440B NL 173440D A NL173440D A NL 173440DA NL 173440 B NL173440 B NL 173440B
Authority
NL
Netherlands
Prior art keywords
seismic exploration
seismic
exploration
Prior art date
Application number
NLAANVRAGE7012785,A
Other languages
English (en)
Original Assignee
Texas Instruments Inc
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.)
Publication of NL173440B publication Critical patent/NL173440B/nl

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
    • H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
    • H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
NLAANVRAGE7012785,A 1952-10-29 Werkwijze voor seismische exploratie. NL173440B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL319391X 1952-10-29

Publications (1)

Publication Number Publication Date
NL173440B true NL173440B (nl)

Family

ID=19783926

Family Applications (2)

Application Number Title Priority Date Filing Date
NL81348D NL81348C (nl) 1952-10-29
NLAANVRAGE7012785,A NL173440B (nl) 1952-10-29 Werkwijze voor seismische exploratie.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL81348D NL81348C (nl) 1952-10-29

Country Status (6)

Country Link
US (1) US2721295A (nl)
CH (1) CH319391A (nl)
DE (1) DE931544C (nl)
FR (1) FR1085716A (nl)
GB (1) GB744713A (nl)
NL (2) NL173440B (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2906921A (en) * 1956-08-23 1959-09-29 Gen Electric Magnetron
US3013180A (en) * 1958-05-01 1961-12-12 Gen Electric Magnetron device and system
US3176188A (en) * 1960-10-28 1965-03-30 Gen Electric Mixed lines crossed fields oscillator or amplifier
US3121822A (en) * 1960-10-28 1964-02-18 Gen Electric Circuits for unimoding crossed field devices
EP0300608A3 (en) * 1987-07-23 1990-07-18 English Electric Valve Company Limited Magnetrons
GB9723478D0 (en) 1997-11-07 1998-01-07 Eev Ltd Magnetrons

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE663509C (de) * 1934-08-21 1938-08-08 Telefunken Gmbh Mehrfach geschlitzte Magnetronroehre
NL107565C (nl) * 1941-09-06
US2480462A (en) * 1944-01-07 1949-08-30 Western Electric Co Tunable magnetron
US2418469A (en) * 1944-05-04 1947-04-08 Bell Telephone Labor Inc Tuner for multiresonators
US2496500A (en) * 1945-07-18 1950-02-07 Raytheon Mfg Co Electron discharge device

Also Published As

Publication number Publication date
GB744713A (en) 1956-02-15
FR1085716A (fr) 1955-02-07
CH319391A (de) 1957-02-15
US2721295A (en) 1955-10-18
NL81348C (nl)
DE931544C (de) 1955-08-11

Similar Documents

Publication Publication Date Title
NL173440B (nl) Werkwijze voor seismische exploratie.
NL154532B (nl) Werkwijze voor het bereiden van een polyamideimidevoorloper.
FR1069323A (fr) Vibrateur sonore
FR1065383A (fr) Amortisseur-stabilisateur
NL170670B (nl) Werkwijze voor het bereiden van een ferromagnetische toner.
CA485339A (en) Geophysical exploration involving the detection of natural neutrons
FR1066586A (fr) Enregistreur de chocs
AT184741B (de) Brunnen-Explorationssystem
NL168469B (nl) Jacobsladder of emmerketting.
FR1091902A (fr) Détonateur
GR14135B (el) Μεθοδος προς ενεργοποιησιν μορφωμενων σωματων εξ ανθρακος.
GR15037B (el) Μεθοδος χρησιμοποιησεως των υπολειμματων του ορυκτελαιου.
AT177917B (de) Treppe
GR15032B (el) Τροπος παρασκευης πετρελαιοσαπωνος.
FI32234A (fi) Geofysikaalinen etsintätapa
FR1090675A (fr) Hydrophone perfectionné
NL180767B (nl) Werkwijze voor het verbinden van foelies.
FR62647E (fr) Ceinture ombilicale
FR1049114A (fr) Ceinture ombilicale
FR1060708A (fr) éphéméride conceptionnel
GR15378B (el) Μεθοδος κατασκευης βασεως αμπαζουρ.
GR13499B (el) Μεθοδος δια την ν - διχλωρακετυλιωσιν αριλαμινοαλκοολων.
CA488360A (en) Method of detection
GR14242B (el) Μεθοδος στερεοσκοπικης απεικονισεως αντικειμενων.
GR16035B (el) Μεθοδος παρασκευης παραγωγων της 2 - 4 - διαμινο - πυριμιδινης.