JPH0552117B2 - - Google Patents

Info

Publication number
JPH0552117B2
JPH0552117B2 JP27126689A JP27126689A JPH0552117B2 JP H0552117 B2 JPH0552117 B2 JP H0552117B2 JP 27126689 A JP27126689 A JP 27126689A JP 27126689 A JP27126689 A JP 27126689A JP H0552117 B2 JPH0552117 B2 JP H0552117B2
Authority
JP
Japan
Prior art keywords
signal
echo
function
ultrasonic sensor
sensor
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 - Fee Related
Application number
JP27126689A
Other languages
English (en)
Japanese (ja)
Other versions
JPH03132195A (ja
Inventor
Toshio Tetsumura
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.)
SHOGAKU IKUEISHA KYOIKU KENKYUSHO KK
SHOGAKU IKUEISHA KYOIKU KENKYUSHO
Original Assignee
SHOGAKU IKUEISHA KYOIKU KENKYUSHO KK
SHOGAKU IKUEISHA KYOIKU KENKYUSHO
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
Application filed by SHOGAKU IKUEISHA KYOIKU KENKYUSHO KK, SHOGAKU IKUEISHA KYOIKU KENKYUSHO filed Critical SHOGAKU IKUEISHA KYOIKU KENKYUSHO KK
Priority to JP27126689A priority Critical patent/JPH03132195A/ja
Priority to GB9113687A priority patent/GB2250117B/en
Priority to DE3991548A priority patent/DE3991548C1/de
Priority to AU45224/89A priority patent/AU4522489A/en
Priority to PCT/JP1989/001183 priority patent/WO1990007828A1/ja
Publication of JPH03132195A publication Critical patent/JPH03132195A/ja
Priority to US07/994,068 priority patent/US5793409A/en
Publication of JPH0552117B2 publication Critical patent/JPH0552117B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
JP27126689A 1989-01-09 1989-10-17 テレビの視聴者数計数装置 Granted JPH03132195A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP27126689A JPH03132195A (ja) 1989-10-17 1989-10-17 テレビの視聴者数計数装置
GB9113687A GB2250117B (en) 1989-01-09 1989-11-20 Apparatus for grasping tv viewing condition in household
DE3991548A DE3991548C1 (de) 1989-01-09 1989-11-20 Elektrisches Gerät zum Ermitteln der Fenrsehprogramm-Einschaltquote
AU45224/89A AU4522489A (en) 1989-01-09 1989-11-20 Apparatus for grasping tv viewing condition in household
PCT/JP1989/001183 WO1990007828A1 (en) 1989-01-09 1989-11-20 Apparatus for grasping tv viewing condition in household
US07/994,068 US5793409A (en) 1989-01-09 1992-12-18 Apparatus for grasping TV viewing condition in household

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27126689A JPH03132195A (ja) 1989-10-17 1989-10-17 テレビの視聴者数計数装置

Publications (2)

Publication Number Publication Date
JPH03132195A JPH03132195A (ja) 1991-06-05
JPH0552117B2 true JPH0552117B2 (enrdf_load_stackoverflow) 1993-08-04

Family

ID=17497688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27126689A Granted JPH03132195A (ja) 1989-01-09 1989-10-17 テレビの視聴者数計数装置

Country Status (1)

Country Link
JP (1) JPH03132195A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3159869B2 (ja) * 1994-05-09 2001-04-23 松下電器産業株式会社 熱物体検出装置および測定法
US20050120366A1 (en) * 2003-11-28 2005-06-02 Canon Kabushiki Kaisha Determining viewer watching behaviour from recorded event data

Also Published As

Publication number Publication date
JPH03132195A (ja) 1991-06-05

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees