CA485535A - Automatic radio listener survey system - Google Patents

Automatic radio listener survey system

Info

Publication number
CA485535A
CA485535A CA485535A CA485535DA CA485535A CA 485535 A CA485535 A CA 485535A CA 485535 A CA485535 A CA 485535A CA 485535D A CA485535D A CA 485535DA CA 485535 A CA485535 A CA 485535A
Authority
CA
Canada
Prior art keywords
survey system
automatic radio
radio listener
listener survey
automatic
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
CA485535A
Other languages
French (fr)
Inventor
D. Horn William
R. Ragazzini John
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA485535A publication Critical patent/CA485535A/en
Expired legal-status Critical Current

Links

CA485535A Automatic radio listener survey system Expired CA485535A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA485535T

Publications (1)

Publication Number Publication Date
CA485535A true CA485535A (en) 1952-08-05

Family

ID=35625250

Family Applications (1)

Application Number Title Priority Date Filing Date
CA485535A Expired CA485535A (en) Automatic radio listener survey system

Country Status (1)

Country Link
CA (1) CA485535A (en)

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