ATA706477A - DISTANCE MEASURING SYSTEM FOR FOCUSING CAMERAS - Google Patents

DISTANCE MEASURING SYSTEM FOR FOCUSING CAMERAS

Info

Publication number
ATA706477A
ATA706477A AT0706477A AT706477A ATA706477A AT A706477 A ATA706477 A AT A706477A AT 0706477 A AT0706477 A AT 0706477A AT 706477 A AT706477 A AT 706477A AT A706477 A ATA706477 A AT A706477A
Authority
AT
Austria
Prior art keywords
distance measuring
measuring system
focusing cameras
cameras
focusing
Prior art date
Application number
AT0706477A
Other languages
German (de)
Other versions
AT370885B (en
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Publication of ATA706477A publication Critical patent/ATA706477A/en
Application granted granted Critical
Publication of AT370885B publication Critical patent/AT370885B/en

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
    • G02B7/40—Systems for automatic generation of focusing signals using time delay of the reflected waves, e.g. of ultrasonic waves
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
    • G01S15/104—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics wherein the transmitted pulses use a frequency- or phase-modulated carrier wave

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Rehabilitation Tools (AREA)
AT0706477A 1976-10-04 1977-10-04 DISTANCE MEASURING SYSTEM FOR FOCUSING CAMERAS AT370885B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72939276A 1976-10-04 1976-10-04

Publications (2)

Publication Number Publication Date
ATA706477A true ATA706477A (en) 1982-09-15
AT370885B AT370885B (en) 1983-05-10

Family

ID=24930826

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0706477A AT370885B (en) 1976-10-04 1977-10-04 DISTANCE MEASURING SYSTEM FOR FOCUSING CAMERAS

Country Status (8)

Country Link
JP (1) JPS6045378B2 (en)
AT (1) AT370885B (en)
CA (1) CA1120578A (en)
CH (1) CH629312A5 (en)
DE (1) DE2744092C3 (en)
FR (1) FR2366582A1 (en)
GB (1) GB1588927A (en)
IT (1) IT1087398B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2801251A1 (en) * 1978-01-12 1979-07-19 Agfa Gevaert Ag DEVICE FOR FOCUSING THE LENS OF A PHOTOGRAPHIC OR KINEMATOGRAPHIC CAMERA
US4315676A (en) * 1978-11-13 1982-02-16 Polaroid Corporation Camera with auto ranging focusing and flash fire control
US4238143A (en) * 1979-01-02 1980-12-09 Polaroid Corporation Autofocus movie camera having pulsed terminal drive means
US4239354A (en) * 1979-01-02 1980-12-16 Polaroid Corporation Autofocus movie camera having improved focus response
WO1981000456A1 (en) * 1979-07-30 1981-02-19 Dorian Ind Pty Ltd Method and device for measuring distances
CA1154140A (en) * 1979-10-03 1983-09-20 John M. Reynard Echo recognition system
US4307952A (en) * 1980-06-03 1981-12-29 Polaroid Corporation Auto focus camera with electronic lens disc pawl release arrangement
JPS58187916A (en) * 1982-04-28 1983-11-02 West Electric Co Ltd Ultrasonic distance measuring device
GB2173620A (en) * 1985-04-11 1986-10-15 Frankie Wang Automatic distance-off alarms for reversing vehicles
GB2352294A (en) * 1996-09-11 2001-01-24 Michael William Hustwitt Ultrasonic object detection system
CN102478655A (en) * 2010-11-23 2012-05-30 比亚迪股份有限公司 Ultrasonic ranging method, ranging system and camera component with ranging system
DE102013200434A1 (en) * 2013-01-14 2014-07-17 Robert Bosch Gmbh Device and method for environment sensors
US10809346B2 (en) * 2017-06-30 2020-10-20 Rohm Co., Ltd. Semiconductor device, ultrasonic sensor, and moving body

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1932969A1 (en) * 1969-06-28 1971-01-07 Zeiss Ikon Ag Device for automatic distance adjustment of camera lenses
JPS4947861A (en) * 1972-09-14 1974-05-09
US3815409A (en) * 1973-02-15 1974-06-11 A Macovski Focused sonic imaging system
DE2317662B2 (en) * 1973-04-07 1975-01-30 Electroacustic Gmbh, 2300 Kiel Method for distance measurement according to the echo delay method
JPS534140B2 (en) * 1973-08-09 1978-02-14

Also Published As

Publication number Publication date
CA1120578A (en) 1982-03-23
JPS6045378B2 (en) 1985-10-09
DE2744092B2 (en) 1980-02-21
FR2366582B1 (en) 1980-07-25
GB1588927A (en) 1981-04-29
DE2744092C3 (en) 1980-10-09
DE2744092A1 (en) 1978-04-06
FR2366582A1 (en) 1978-04-28
IT1087398B (en) 1985-06-04
JPS5345267A (en) 1978-04-22
CH629312A5 (en) 1982-04-15
AT370885B (en) 1983-05-10

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