SE317100BSE103765ASE103765ASE317100BSE 317100 BSE317100 BSE 317100BSE 103765 ASE103765 ASE 103765ASE 103765 ASE103765 ASE 103765ASE 317100 BSE317100 BSE 317100B
Authority
SE
Sweden
Application number
SE103765A
Inventor
G Gassmann
W Gepraegs
Original Assignee
Standard Radio & Telefon
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 Standard Radio & TelefonfiledCriticalStandard Radio & Telefon
Publication of SE317100BpublicationCriticalpatent/SE317100B/xx
H04N9/643—Hue control means, e.g. flesh tone control
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
H03D13/007—Circuits for comparing the phase or frequency of two mutually-independent oscillations by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations
H03D13/008—Circuits for comparing the phase or frequency of two mutually-independent oscillations by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations using transistors
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N9/00—Details of colour television systems
H04N9/44—Colour synchronisation
H04N9/455—Generation of colour burst signals; Insertion of colour burst signals in colour picture signals or separation of colour burst signals from colour picture signals