GB1378759A - Photo-electric automatic positioning device - Google Patents

Photo-electric automatic positioning device

Info

Publication number
GB1378759A
GB1378759A GB5630671A GB5630671A GB1378759A GB 1378759 A GB1378759 A GB 1378759A GB 5630671 A GB5630671 A GB 5630671A GB 5630671 A GB5630671 A GB 5630671A GB 1378759 A GB1378759 A GB 1378759A
Authority
GB
United Kingdom
Prior art keywords
disc
image
signals
pattern
indicate
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
GB5630671A
Other languages
English (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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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
Priority claimed from JP10676970A external-priority patent/JPS4921470B1/ja
Priority claimed from JP10676870A external-priority patent/JPS4921469B1/ja
Application filed by Nippon Kogaku KK filed Critical Nippon Kogaku KK
Publication of GB1378759A publication Critical patent/GB1378759A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
GB5630671A 1970-12-04 1971-12-03 Photo-electric automatic positioning device Expired GB1378759A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10676970A JPS4921470B1 (enExample) 1970-12-04 1970-12-04
JP10676870A JPS4921469B1 (enExample) 1970-12-04 1970-12-04

Publications (1)

Publication Number Publication Date
GB1378759A true GB1378759A (en) 1974-12-27

Family

ID=26446878

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5630671A Expired GB1378759A (en) 1970-12-04 1971-12-03 Photo-electric automatic positioning device

Country Status (5)

Country Link
US (1) US3744914A (enExample)
CH (1) CH538731A (enExample)
DE (1) DE2160282B2 (enExample)
FR (1) FR2117409A5 (enExample)
GB (1) GB1378759A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943359A (en) * 1973-06-15 1976-03-09 Hitachi, Ltd. Apparatus for relatively positioning a plurality of objects by the use of a scanning optoelectric microscope
US3919545A (en) * 1974-05-06 1975-11-11 Minnesota Mining & Mfg Object positioning apparatus
DD158824A1 (de) * 1980-11-03 1983-02-02 Adelbrecht Schorcht Anordnung zur automatischen justierung mindestens eines gegenstandes
US4755053A (en) * 1986-11-12 1988-07-05 Hewlett-Packard Company Secondary alignment fiducials for automatic alignment using machine vision.
US6177217B1 (en) * 1999-07-23 2001-01-23 Eastman Kodak Company Method and apparatus for precise positioning of arrays with periodic structures
CN116030743B (zh) * 2023-03-30 2023-06-13 合肥市航嘉显示科技有限公司 一种led显示器及其亮度调节检测结构

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3348050A (en) * 1957-07-15 1967-10-17 Avco Mfg Corp Passive infrared tracking and ranging system
US3356849A (en) * 1964-08-21 1967-12-05 Theodore R Whitney Detector of coded signals using phase-lock techniques

Also Published As

Publication number Publication date
CH538731A (de) 1973-06-30
DE2160282B2 (de) 1976-07-01
FR2117409A5 (enExample) 1972-07-21
DE2160282A1 (de) 1972-06-29
US3744914A (en) 1973-07-10

Similar Documents

Publication Publication Date Title
US3971002A (en) Device for the optical read-out of a diffractive track belonging to a data carrier in the form of a disc or tape
US3316348A (en) Scanning system for recording pictorial data
GB1466221A (en) Optical information reading system
GB1435922A (en) Reading optical recordings
GB1141636A (en) Improvements in or relating to methods for the photo-optical recording or reproduction of data consisting of individual symbols
GB1138128A (en) Positioning systems
US4171879A (en) Optical disc reader having diffraction minima at non-interrogated tracks
GB1378759A (en) Photo-electric automatic positioning device
GB1248853A (en) Optical apparatus for sensing angular motion
US3956627A (en) Light beam target and apparatus using the same
AU572750B2 (en) Reading an optical disk
GB1299214A (en) Display instruments for aircraft
FR2374804A1 (fr) Appareil d'elimination des erreurs de base de temps dans un signal d'informations
GB1492214A (en) Optical device for a surface vehicle guidance system using a light-contrast pattern
JPS533305A (en) Optical reproduction device
US3401398A (en) Electrical impulse recording and projection system
US2429597A (en) Rotating radio beacon simulator
GB1368819A (en) Automatic focusing device
GB1343483A (en) Optical demodulation system
GB1303694A (enExample)
GB1524804A (en) Lamp for a glidepath lighting system
GB1510836A (en) Apparatus for testing the degree of correlation between two individual images
JPS57198627A (en) Reticle
JPS534491A (en) Scanning beam navigation beacon by transmitting coherence reference signal and thin twooway phase shift array
JPS5382303A (en) Information recording panel and its reproducing system

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee