SE317128BSE460865ASE460865ASE317128BSE 317128 BSE317128 BSE 317128BSE 460865 ASE460865 ASE 460865ASE 460865 ASE460865 ASE 460865ASE 317128 BSE317128 BSE 317128B
Authority
SE
Sweden
Application number
SE460865A
Inventor
C Granqvist
Original Assignee
Aga Ab
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 Aga AbfiledCriticalAga Ab
Priority to SE460865ApriorityCriticalpatent/SE317128B/xx
Priority to GB986966Aprioritypatent/GB1075096A/en
Priority to DE19661516066prioritypatent/DE1516066A1/de
Priority to US539497Aprioritypatent/US3412329A/en
Publication of SE317128BpublicationCriticalpatent/SE317128B/xx
H04N17/00—Diagnosis, testing or measuring for television systems or their details
G—PHYSICS
G01—MEASURING; TESTING
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
G—PHYSICS
G01—MEASURING; TESTING
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave