IT1087398B - ULTRASONIC TELEMETER SYSTEM FOR CAMERA OR CAMERA - Google Patents

ULTRASONIC TELEMETER SYSTEM FOR CAMERA OR CAMERA

Info

Publication number
IT1087398B
IT1087398B IT27949/77A IT2794977A IT1087398B IT 1087398 B IT1087398 B IT 1087398B IT 27949/77 A IT27949/77 A IT 27949/77A IT 2794977 A IT2794977 A IT 2794977A IT 1087398 B IT1087398 B IT 1087398B
Authority
IT
Italy
Prior art keywords
camera
telemeter system
ultrasonic
ultrasonic telemeter
telemeter
Prior art date
Application number
IT27949/77A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1087398B publication Critical patent/IT1087398B/en

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28Systems for automatic generation of focusing signals
    • G02B7/40Systems for automatic generation of focusing signals using time delay of the reflected waves, e.g. of ultrasonic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06Systems determining the position data of a target
    • G01S15/08Systems for measuring distance only
    • G01S15/10Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/102Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
    • G01S15/104Systems 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)
  • Automatic Focus Adjustment (AREA)
  • Rehabilitation Tools (AREA)
  • Focusing (AREA)
IT27949/77A 1976-10-04 1977-09-27 ULTRASONIC TELEMETER SYSTEM FOR CAMERA OR CAMERA IT1087398B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1087398B true IT1087398B (en) 1985-06-04

Family

ID=24930826

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27949/77A IT1087398B (en) 1976-10-04 1977-09-27 ULTRASONIC TELEMETER SYSTEM FOR CAMERA OR CAMERA

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
US4239354A (en) * 1979-01-02 1980-12-16 Polaroid Corporation Autofocus movie camera having improved focus response
US4238143A (en) * 1979-01-02 1980-12-09 Polaroid Corporation Autofocus movie camera having pulsed terminal drive means
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
FR2366582B1 (en) 1980-07-25
AT370885B (en) 1983-05-10
DE2744092A1 (en) 1978-04-06
CH629312A5 (en) 1982-04-15
DE2744092C3 (en) 1980-10-09
ATA706477A (en) 1982-09-15
FR2366582A1 (en) 1978-04-28
JPS6045378B2 (en) 1985-10-09
CA1120578A (en) 1982-03-23
JPS5345267A (en) 1978-04-22
GB1588927A (en) 1981-04-29
DE2744092B2 (en) 1980-02-21

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