AU221128B2 - Improvements in or relating to apparatus for determining the listening or viewing habits of wave signal receiver users - Google Patents

Improvements in or relating to apparatus for determining the listening or viewing habits of wave signal receiver users

Info

Publication number
AU221128B2
AU221128B2 AU25073/57A AU2507357A AU221128B2 AU 221128 B2 AU221128 B2 AU 221128B2 AU 25073/57 A AU25073/57 A AU 25073/57A AU 2507357 A AU2507357 A AU 2507357A AU 221128 B2 AU221128 B2 AU 221128B2
Authority
AU
Australia
Prior art keywords
listening
relating
determining
wave signal
signal receiver
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
AU25073/57A
Other versions
AU2507357A (en
Inventor
Arnold Ishmel 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.)
AC Nielsen Co Ltd
Original Assignee
AC Nielsen Co Ltd
Filing date
Publication date
Application filed by AC Nielsen Co Ltd filed Critical AC Nielsen Co Ltd
Application granted granted Critical
Publication of AU221128B2 publication Critical patent/AU221128B2/en
Publication of AU2507357A publication Critical patent/AU2507357A/en
Expired legal-status Critical Current

Links

AU25073/57A 1957-02-04 Improvements in or relating to apparatus for determining the listening or viewing habits of wave signal receiver users Expired AU221128B2 (en)

Publications (2)

Publication Number Publication Date
AU221128B2 true AU221128B2 (en) 1957-08-08
AU2507357A AU2507357A (en) 1957-08-08

Family

ID=

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