CA1212464A - Dispositif de detection du son pour la television utilisant une boucle a asservissement de phase pour transposer la frequence - Google Patents

Dispositif de detection du son pour la television utilisant une boucle a asservissement de phase pour transposer la frequence

Info

Publication number
CA1212464A
CA1212464A CA000435567A CA435567A CA1212464A CA 1212464 A CA1212464 A CA 1212464A CA 000435567 A CA000435567 A CA 000435567A CA 435567 A CA435567 A CA 435567A CA 1212464 A CA1212464 A CA 1212464A
Authority
CA
Canada
Prior art keywords
signal
frequency
output
input
carrier
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
Application number
CA000435567A
Other languages
English (en)
Inventor
Abraham E. Rindal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
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
Priority claimed from US06/412,902 external-priority patent/US4470071A/en
Priority claimed from US06/437,826 external-priority patent/US4514763A/en
Application filed by RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA1212464A publication Critical patent/CA1212464A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Television Receiver Circuits (AREA)
CA000435567A 1982-08-30 1983-08-29 Dispositif de detection du son pour la television utilisant une boucle a asservissement de phase pour transposer la frequence Expired CA1212464A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US412,902 1982-08-30
US06/412,902 US4470071A (en) 1982-08-30 1982-08-30 Television sound detection system using a frequency translation phase-locked loop
US06/437,826 US4514763A (en) 1982-10-29 1982-10-29 Sound signal and impulse noise detector for television receivers
US437,826 1982-10-29

Publications (1)

Publication Number Publication Date
CA1212464A true CA1212464A (fr) 1986-10-07

Family

ID=27021953

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000435567A Expired CA1212464A (fr) 1982-08-30 1983-08-29 Dispositif de detection du son pour la television utilisant une boucle a asservissement de phase pour transposer la frequence

Country Status (1)

Country Link
CA (1) CA1212464A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry