DE3416974A1 - Entfernungsmesser - Google Patents

Entfernungsmesser

Info

Publication number
DE3416974A1
DE3416974A1 DE19843416974 DE3416974A DE3416974A1 DE 3416974 A1 DE3416974 A1 DE 3416974A1 DE 19843416974 DE19843416974 DE 19843416974 DE 3416974 A DE3416974 A DE 3416974A DE 3416974 A1 DE3416974 A1 DE 3416974A1
Authority
DE
Germany
Prior art keywords
light receiving
light
receiving elements
receiving element
photocurrent
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
DE19843416974
Other languages
German (de)
English (en)
Other versions
DE3416974C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Takashi Yokosuka Kanagawa Nishibe
Kiziro Nishitama Tokio/Tokyo Suzuki
Takashi Tokio/Tokyo Tsutsumi
Shotaro Yokoyama
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.)
Konica Corp Tokio/tokyo Jp Fuji Electric Co L
Original Assignee
Fuji Electric Co Ltd
Konica Minolta Inc
Fuji Electric Corporate Research and Development 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 Fuji Electric Co Ltd, Konica Minolta Inc, Fuji Electric Corporate Research and Development Ltd filed Critical Fuji Electric Co Ltd
Publication of DE3416974A1 publication Critical patent/DE3416974A1/de
Application granted granted Critical
Publication of DE3416974C2 publication Critical patent/DE3416974C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/02—Details
    • G01C3/06—Use of electric means to obtain final indication
    • G01C3/08—Use of electric radiation detectors
    • G01C3/085—Use of electric radiation detectors with electronic parallax measurement

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Optical Distance (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE19843416974 1983-05-08 1984-05-08 Entfernungsmesser Granted DE3416974A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58080416A JPS59204704A (ja) 1983-05-08 1983-05-08 距離測定装置

Publications (2)

Publication Number Publication Date
DE3416974A1 true DE3416974A1 (de) 1984-11-08
DE3416974C2 DE3416974C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-01-24

Family

ID=13717684

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843416974 Granted DE3416974A1 (de) 1983-05-08 1984-05-08 Entfernungsmesser

Country Status (4)

Country Link
US (1) US4611910A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS59204704A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3416974A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2142497B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984004160A1 (en) * 1983-04-16 1984-10-25 Naoki Shimizu Three-dimensional distance-measuring device
JPS59204704A (ja) * 1983-05-08 1984-11-20 Konishiroku Photo Ind Co Ltd 距離測定装置
JPS603509A (ja) * 1983-06-21 1985-01-09 Fuji Electric Corp Res & Dev Ltd 距離測定装置用映像デ−タ比較回路
JPH07113961B2 (ja) * 1985-08-05 1995-12-06 キヤノン株式会社 信号処理装置
JPH0754371B2 (ja) * 1986-11-10 1995-06-07 富士電機株式会社 合焦状態検出方法
JP2676985B2 (ja) * 1990-06-26 1997-11-17 富士電機株式会社 光学器械の対象検出方式
JP2881995B2 (ja) * 1990-08-01 1999-04-12 富士電機株式会社 光学器械の対象検出装置
US5808291A (en) * 1995-08-30 1998-09-15 Minolta Co., Ltd. Image information detection system and optical equipment using the system
US5721977A (en) * 1996-01-19 1998-02-24 Minolta Co., Ltd. Distance measuring apparatus of camera improved in measuring process
AU2002212914A1 (en) * 2000-11-07 2002-05-21 Cellavision Ab Autofocusing
CN101270978A (zh) * 2007-03-21 2008-09-24 鸿富锦精密工业（深圳）有限公司 测距系统、测距方法、电子装置系统以及遥控器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004852A (en) * 1975-06-30 1977-01-25 Rockwell International Corporation Integrated automatic ranging device for optical instruments
DE2905115A1 (de) * 1978-02-13 1979-08-23 Honeywell Inc Entfernungsmesseinrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967056A (en) * 1973-02-26 1976-06-29 Minolta Camera Kabushiki Kaisha Automatic focusing apparatus
JPS5451556A (en) * 1977-09-29 1979-04-23 Canon Inc Distance measuring apparatus
JPS5589819A (en) * 1978-12-28 1980-07-07 Asahi Optical Co Ltd Focus detector of camera
US4298259A (en) * 1979-08-27 1981-11-03 Asaki Kogaku Kogyo Kabushiki Kaisha Focus detecting device for photographic camera
JPS58174910A (ja) * 1982-04-08 1983-10-14 Fuji Electric Co Ltd 合焦検出装置
JPS59204704A (ja) * 1983-05-08 1984-11-20 Konishiroku Photo Ind Co Ltd 距離測定装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004852A (en) * 1975-06-30 1977-01-25 Rockwell International Corporation Integrated automatic ranging device for optical instruments
DE2905115A1 (de) * 1978-02-13 1979-08-23 Honeywell Inc Entfernungsmesseinrichtung

Also Published As

Publication number Publication date
GB2142497B (en) 1986-10-29
GB8411226D0 (en) 1984-06-06
GB2142497A (en) 1985-01-16
JPS6357721B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-11-14
US4611910A (en) 1986-09-16
JPS59204704A (ja) 1984-11-20
DE3416974C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-01-24

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8128 New person/name/address of the agent

Representative=s name: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZ

D2 Grant after examination
8327 Change in the person/name/address of the patent owner

Owner name: KONICA CORP., TOKIO/TOKYO, JP FUJI ELECTRIC CO., L

8328 Change in the person/name/address of the agent

Free format text: FEILER, L., DR.RER.NAT. HAENZEL, W., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee