CA575448A - System for determining listening habits of wave signal receiver users - Google Patents

System for determining listening habits of wave signal receiver users

Info

Publication number
CA575448A
CA575448A CA575448A CA575448DA CA575448A CA 575448 A CA575448 A CA 575448A CA 575448 A CA575448 A CA 575448A CA 575448D A CA575448D A CA 575448DA CA 575448 A CA575448 A CA 575448A
Authority
CA
Canada
Prior art keywords
wave signal
signal receiver
listening habits
receiver users
determining listening
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
CA575448A
Other languages
French (fr)
Inventor
A. Rahmel Henry
L. Freeman Robert
H. Currey Charles
W. Holbrook Darrel
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 CA575448A publication Critical patent/CA575448A/en
Expired legal-status Critical Current

Links

CA575448A System for determining listening habits of wave signal receiver users Expired CA575448A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA575448T

Publications (1)

Publication Number Publication Date
CA575448A true CA575448A (en) 1959-05-05

Family

ID=35751304

Family Applications (1)

Application Number Title Priority Date Filing Date
CA575448A Expired CA575448A (en) System for determining listening habits of wave signal receiver users

Country Status (1)

Country Link
CA (1) CA575448A (en)

Similar Documents

Publication Publication Date Title
GB833390A (en) An fm reception system of high sensitivity
CA589329A (en) System for determining listening habits of wave signal receiver users
CA575448A (en) System for determining listening habits of wave signal receiver users
CA525109A (en) System and apparatus for determining the listening habits of wave signal receiver users
CA533638A (en) System of determining the listening habits of wave signal receiver users
CA580373A (en) System and apparatus for recording the listening habits of wave signal receiver users
CA570978A (en) System and apparatus for determining the listening or viewing habits of wave signal receiver users
CA600153A (en) System and apparatus for determining the listening or viewing habits of wave signal receiver users
CA499898A (en) Search signal apparatus for determining the listening habits of wave signal receiver users
AU221128B2 (en) Improvements in or relating to apparatus for determining the listening or viewing habits of wave signal receiver users
CA634229A (en) Method and apparatus for automatically determining the listening habits of wave signal receiver users
AU223585B2 (en) Apparatus for use in determining the listening or viewing habits of wave signal receiver users
AU2507357A (en) Improvements in or relating to apparatus for determining the listening or viewing habits of wave signal receiver users
AU221437B2 (en) Improvements in or relating to apparatus for determining the listening or viewing habits of wave signal receiver users
AU229227B2 (en) An FM reception system of high sensitivity
CA556333A (en) Receivers of electric signal communication systems
CA498857A (en) Search signal apparatus for determining the listening habits of wave signal receiver users
AU2361056A (en) Apparatus for use in determining the listening or viewing habits of wave signal receiver users
CA585047A (en) Monitoring system for wave signal receivers
AU2350256A (en) Improvements in or relating to apparatus for determining the listening or viewing habits of wave signal receiver users
AU4003958A (en) An FM reception system of high sensitivity
CA583984A (en) Twinplex telegraph signal receiver
CA537814A (en) Sound system for television receiver
AU217324B2 (en) Improvements in or relating to apparatus for recording listening habits of users of radio receivers andthe like
CA561095A (en) Single-sideband receiver for speech signals