JPS5221720A - Omnidirectional observing devcice - Google Patents

Omnidirectional observing devcice

Info

Publication number
JPS5221720A
JPS5221720A JP9796575A JP9796575A JPS5221720A JP S5221720 A JPS5221720 A JP S5221720A JP 9796575 A JP9796575 A JP 9796575A JP 9796575 A JP9796575 A JP 9796575A JP S5221720 A JPS5221720 A JP S5221720A
Authority
JP
Japan
Prior art keywords
devcice
omnidirectional
observing
scanning signal
half frequency
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.)
Pending
Application number
JP9796575A
Other languages
Japanese (ja)
Inventor
Seijiro Kushibe
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.)
Konan Camera Research Institue Inc
Original Assignee
Konan Camera Research Institue Inc
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 Konan Camera Research Institue Inc filed Critical Konan Camera Research Institue Inc
Priority to JP9796575A priority Critical patent/JPS5221720A/en
Publication of JPS5221720A publication Critical patent/JPS5221720A/en
Pending legal-status Critical Current

Links

Landscapes

  • Closed-Circuit Television Systems (AREA)

Abstract

PURPOSE: Close observation all over the inside of tube made possible by circularly scanning a picture formed by a moving convex mirror along tube axis and by displaying it using horizontal scanning signal having a half frequency of circular scanning signal having a half frequency of circular scanning signal.
COPYRIGHT: (C)1977,JPO&Japio
JP9796575A 1975-08-11 1975-08-11 Omnidirectional observing devcice Pending JPS5221720A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9796575A JPS5221720A (en) 1975-08-11 1975-08-11 Omnidirectional observing devcice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9796575A JPS5221720A (en) 1975-08-11 1975-08-11 Omnidirectional observing devcice

Publications (1)

Publication Number Publication Date
JPS5221720A true JPS5221720A (en) 1977-02-18

Family

ID=14206370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9796575A Pending JPS5221720A (en) 1975-08-11 1975-08-11 Omnidirectional observing devcice

Country Status (1)

Country Link
JP (1) JPS5221720A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139767A (en) * 1981-06-22 1992-08-18 Mitsui Toatsu Chemicals, Incorporated Production method of goethite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139767A (en) * 1981-06-22 1992-08-18 Mitsui Toatsu Chemicals, Incorporated Production method of goethite

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