GB2066014B - Focus indicator - Google Patents

Focus indicator

Info

Publication number
GB2066014B
GB2066014B GB7943233A GB7943233A GB2066014B GB 2066014 B GB2066014 B GB 2066014B GB 7943233 A GB7943233 A GB 7943233A GB 7943233 A GB7943233 A GB 7943233A GB 2066014 B GB2066014 B GB 2066014B
Authority
GB
United Kingdom
Prior art keywords
focus indicator
focus
indicator
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
GB7943233A
Other versions
GB2066014A (en
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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB7943233A priority Critical patent/GB2066014B/en
Publication of GB2066014A publication Critical patent/GB2066014A/en
Application granted granted Critical
Publication of GB2066014B publication Critical patent/GB2066014B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Focusing (AREA)
GB7943233A 1979-12-14 1979-12-14 Focus indicator Expired GB2066014B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7943233A GB2066014B (en) 1979-12-14 1979-12-14 Focus indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7943233A GB2066014B (en) 1979-12-14 1979-12-14 Focus indicator

Publications (2)

Publication Number Publication Date
GB2066014A GB2066014A (en) 1981-07-01
GB2066014B true GB2066014B (en) 1984-05-02

Family

ID=10509863

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7943233A Expired GB2066014B (en) 1979-12-14 1979-12-14 Focus indicator

Country Status (1)

Country Link
GB (1) GB2066014B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3219503C2 (en) * 1982-05-25 1985-08-08 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Device for automatic focusing on objects to be viewed in optical devices
GB2122835B (en) * 1982-06-30 1986-08-06 Eastman Kodak Co Rangefinder
US4630927A (en) * 1983-02-15 1986-12-23 General Electric Company Optical projector
JPS59158029A (en) * 1983-02-28 1984-09-07 松下電工株式会社 Reflection type photoelectric switch
JPS59162514A (en) * 1983-03-08 1984-09-13 Dainippon Screen Mfg Co Ltd Focus adjusting method of image scanning and recording device

Also Published As

Publication number Publication date
GB2066014A (en) 1981-07-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee