JPS57174786A - Detector for number of persons - Google Patents

Detector for number of persons

Info

Publication number
JPS57174786A
JPS57174786A JP56060808A JP6080881A JPS57174786A JP S57174786 A JPS57174786 A JP S57174786A JP 56060808 A JP56060808 A JP 56060808A JP 6080881 A JP6080881 A JP 6080881A JP S57174786 A JPS57174786 A JP S57174786A
Authority
JP
Japan
Prior art keywords
fixed object
information
circuit
persons
zero
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.)
Granted
Application number
JP56060808A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0138272B2 (pm
Inventor
Susumu Maeda
Kazuo Tokui
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP56060808A priority Critical patent/JPS57174786A/ja
Publication of JPS57174786A publication Critical patent/JPS57174786A/ja
Publication of JPH0138272B2 publication Critical patent/JPH0138272B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M11/00—Counting of objects distributed at random, e.g. on a surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP56060808A 1981-04-22 1981-04-22 Detector for number of persons Granted JPS57174786A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56060808A JPS57174786A (en) 1981-04-22 1981-04-22 Detector for number of persons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56060808A JPS57174786A (en) 1981-04-22 1981-04-22 Detector for number of persons

Publications (2)

Publication Number Publication Date
JPS57174786A true JPS57174786A (en) 1982-10-27
JPH0138272B2 JPH0138272B2 (pm) 1989-08-11

Family

ID=13153009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56060808A Granted JPS57174786A (en) 1981-04-22 1981-04-22 Detector for number of persons

Country Status (1)

Country Link
JP (1) JPS57174786A (pm)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS516075A (ja) * 1974-07-03 1976-01-19 Hitachi Ltd Ninzukenshutsusochi
JPS5289360A (en) * 1976-01-21 1977-07-26 Hitachi Ltd Jam detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS516075A (ja) * 1974-07-03 1976-01-19 Hitachi Ltd Ninzukenshutsusochi
JPS5289360A (en) * 1976-01-21 1977-07-26 Hitachi Ltd Jam detector

Also Published As

Publication number Publication date
JPH0138272B2 (pm) 1989-08-11

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