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 NL271727ApublicationCriticalpatent/NL271727A/xx
H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
H03L7/00—Automatic control of frequency or phase; Synchronisation
H03L7/26—Automatic control of frequency or phase; Synchronisation using energy levels of molecules, atoms, or subatomic particles as a frequency reference
G—PHYSICS
G01—MEASURING; TESTING
G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J49/00—Particle spectrometers or separator tubes
H01J49/26—Mass spectrometers or separator tubes
H01J49/34—Dynamic spectrometers
H01J49/36—Radio frequency spectrometers, e.g. Bennett-type spectrometers, Redhead-type spectrometers
H01J49/38—Omegatrons ; using ion cyclotron resonance
Landscapes
Physics & Mathematics
(AREA)
Analytical Chemistry
(AREA)
Chemical & Material Sciences
(AREA)
Health & Medical Sciences
(AREA)
Life Sciences & Earth Sciences
(AREA)
High Energy & Nuclear Physics
(AREA)
Spectroscopy & Molecular Physics
(AREA)
Biochemistry
(AREA)
General Health & Medical Sciences
(AREA)
General Physics & Mathematics
(AREA)
Immunology
(AREA)
Pathology
(AREA)
Magnetic Resonance Imaging Apparatus
(AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves
(AREA)