JPS5762014A - Range finding circuit - Google Patents

Range finding circuit

Info

Publication number
JPS5762014A
JPS5762014A JP55136367A JP13636780A JPS5762014A JP S5762014 A JPS5762014 A JP S5762014A JP 55136367 A JP55136367 A JP 55136367A JP 13636780 A JP13636780 A JP 13636780A JP S5762014 A JPS5762014 A JP S5762014A
Authority
JP
Japan
Prior art keywords
light
led1
time
varies
phi1
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
JP55136367A
Other languages
English (en)
Other versions
JPS6332125B2 (ja
Inventor
Akira Takahashi
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP55136367A priority Critical patent/JPS5762014A/ja
Priority to US06/299,291 priority patent/US4479706A/en
Priority to DE3135710A priority patent/DE3135710A1/de
Publication of JPS5762014A publication Critical patent/JPS5762014A/ja
Priority to US06/599,772 priority patent/US4533227A/en
Publication of JPS6332125B2 publication Critical patent/JPS6332125B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
    • 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
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measurement Of Optical Distance (AREA)
JP55136367A 1980-09-09 1980-09-30 Range finding circuit Granted JPS5762014A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP55136367A JPS5762014A (en) 1980-09-30 1980-09-30 Range finding circuit
US06/299,291 US4479706A (en) 1980-09-09 1981-09-03 Distance measuring circuit
DE3135710A DE3135710A1 (de) 1980-09-09 1981-09-09 Entfernungsmesser-schaltanordnung
US06/599,772 US4533227A (en) 1980-09-09 1984-04-13 Distance measuring circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55136367A JPS5762014A (en) 1980-09-30 1980-09-30 Range finding circuit

Publications (2)

Publication Number Publication Date
JPS5762014A true JPS5762014A (en) 1982-04-14
JPS6332125B2 JPS6332125B2 (ja) 1988-06-28

Family

ID=15173502

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55136367A Granted JPS5762014A (en) 1980-09-09 1980-09-30 Range finding circuit

Country Status (1)

Country Link
JP (1) JPS5762014A (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4813062U (ja) * 1971-06-24 1973-02-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4813062U (ja) * 1971-06-24 1973-02-14

Also Published As

Publication number Publication date
JPS6332125B2 (ja) 1988-06-28

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