JPS5215377A - Space filter - Google Patents

Space filter

Info

Publication number
JPS5215377A
JPS5215377A JP9123975A JP9123975A JPS5215377A JP S5215377 A JPS5215377 A JP S5215377A JP 9123975 A JP9123975 A JP 9123975A JP 9123975 A JP9123975 A JP 9123975A JP S5215377 A JPS5215377 A JP S5215377A
Authority
JP
Japan
Prior art keywords
space filter
discriminate
sorting
distinguish
measuring
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
JP9123975A
Other languages
Japanese (ja)
Other versions
JPS5542706B2 (en
Inventor
Akira Kobayashi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP9123975A priority Critical patent/JPS5215377A/en
Publication of JPS5215377A publication Critical patent/JPS5215377A/en
Publication of JPS5542706B2 publication Critical patent/JPS5542706B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)

Abstract

PURPOSE: Distinguish not only moving speed but also moving direction by sorting a number of photoelectric conversion elements into groups and measuring the output for frequency and discriminate for phase.
COPYRIGHT: (C)1977,JPO&Japio
JP9123975A 1975-07-26 1975-07-26 Space filter Granted JPS5215377A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9123975A JPS5215377A (en) 1975-07-26 1975-07-26 Space filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9123975A JPS5215377A (en) 1975-07-26 1975-07-26 Space filter

Publications (2)

Publication Number Publication Date
JPS5215377A true JPS5215377A (en) 1977-02-04
JPS5542706B2 JPS5542706B2 (en) 1980-11-01

Family

ID=14020858

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9123975A Granted JPS5215377A (en) 1975-07-26 1975-07-26 Space filter

Country Status (1)

Country Link
JP (1) JPS5215377A (en)

Also Published As

Publication number Publication date
JPS5542706B2 (en) 1980-11-01

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