CA525109A - Systeme et appareil pour determiner les habitudes des usagers de recepteurs de signaux a ondes - Google Patents

Systeme et appareil pour determiner les habitudes des usagers de recepteurs de signaux a ondes

Info

Publication number
CA525109A
CA525109A CA525109A CA525109DA CA525109A CA 525109 A CA525109 A CA 525109A CA 525109 A CA525109 A CA 525109A CA 525109D A CA525109D A CA 525109DA CA 525109 A CA525109 A CA 525109A
Authority
CA
Canada
Prior art keywords
determining
wave signal
signal receiver
listening habits
receiver users
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
CA525109A
Other languages
English (en)
Inventor
A. Rahmel Henry
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.)
TNC US Holdings Inc
Original Assignee
AC Nielsen Co
Publication date
Application granted granted Critical
Publication of CA525109A publication Critical patent/CA525109A/fr
Expired legal-status Critical Current

Links

CA525109A Systeme et appareil pour determiner les habitudes des usagers de recepteurs de signaux a ondes Expired CA525109A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA525109T

Publications (1)

Publication Number Publication Date
CA525109A true CA525109A (fr) 1956-05-15

Family

ID=35678823

Family Applications (1)

Application Number Title Priority Date Filing Date
CA525109A Expired CA525109A (fr) Systeme et appareil pour determiner les habitudes des usagers de recepteurs de signaux a ondes

Country Status (1)

Country Link
CA (1) CA525109A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2864941A (en) * 1956-09-26 1958-12-16 Nielsen A C Co Monitoring apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2864941A (en) * 1956-09-26 1958-12-16 Nielsen A C Co Monitoring apparatus

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