FR2404868A1 - Systeme d'objectif a focale variable a commande manuelle et automatique - Google Patents

Systeme d'objectif a focale variable a commande manuelle et automatique

Info

Publication number
FR2404868A1
FR2404868A1 FR7828216A FR7828216A FR2404868A1 FR 2404868 A1 FR2404868 A1 FR 2404868A1 FR 7828216 A FR7828216 A FR 7828216A FR 7828216 A FR7828216 A FR 7828216A FR 2404868 A1 FR2404868 A1 FR 2404868A1
Authority
FR
France
Prior art keywords
desired function
manual
lens system
automatically controlled
perform
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
FR7828216A
Other languages
English (en)
French (fr)
Other versions
FR2404868B1 (enrdf_load_stackoverflow
Inventor
John C Ostrowski
Norman D Staller
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.)
Polaroid Corp
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 FR2404868A1 publication Critical patent/FR2404868A1/fr
Application granted granted Critical
Publication of FR2404868B1 publication Critical patent/FR2404868B1/fr
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
    • G02B7/40—Systems for automatic generation of focusing signals using time delay of the reflected waves, e.g. of ultrasonic waves

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Lens Barrels (AREA)
  • Automatic Focus Adjustment (AREA)
  • Shutters For Cameras (AREA)
FR7828216A 1977-10-03 1978-10-03 Systeme d'objectif a focale variable a commande manuelle et automatique Granted FR2404868A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83858177A 1977-10-03 1977-10-03

Publications (2)

Publication Number Publication Date
FR2404868A1 true FR2404868A1 (fr) 1979-04-27
FR2404868B1 FR2404868B1 (enrdf_load_stackoverflow) 1984-08-10

Family

ID=25277484

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7828216A Granted FR2404868A1 (fr) 1977-10-03 1978-10-03 Systeme d'objectif a focale variable a commande manuelle et automatique

Country Status (6)

Country Link
JP (1) JPS5461525A (enrdf_load_stackoverflow)
CA (1) CA1122454A (enrdf_load_stackoverflow)
DE (1) DE2842851B2 (enrdf_load_stackoverflow)
FR (1) FR2404868A1 (enrdf_load_stackoverflow)
GB (1) GB2005852B (enrdf_load_stackoverflow)
IE (1) IE47956B1 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5573026A (en) * 1978-11-25 1980-06-02 Minolta Camera Co Ltd Automatic-manual focus controllable lens-barrel
JPS5573025A (en) * 1978-11-25 1980-06-02 Minolta Camera Co Ltd Changeover device of automatic-manual focus controllable lens-barrel
JPS5619033A (en) * 1979-07-25 1981-02-23 Canon Inc Automatic focus control unit
JPS5648620A (en) * 1979-09-28 1981-05-01 Nippon Seimitsu Kogyo Kk Automatic focus controlling mechanism of camera
JPS62201738U (enrdf_load_stackoverflow) * 1986-06-13 1987-12-23

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB975289A (en) * 1961-07-29 1964-11-11 Agfa Ag Zoom lens with a focus variation device selectively operable by hand or by motor and photographic camera comprising the same
FR2004667A1 (enrdf_load_stackoverflow) * 1968-03-25 1969-11-28 Polaroid Corp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB975289A (en) * 1961-07-29 1964-11-11 Agfa Ag Zoom lens with a focus variation device selectively operable by hand or by motor and photographic camera comprising the same
FR2004667A1 (enrdf_load_stackoverflow) * 1968-03-25 1969-11-28 Polaroid Corp

Also Published As

Publication number Publication date
IE781972L (en) 1979-04-03
DE2842851B2 (de) 1979-10-31
JPS5461525A (en) 1979-05-17
DE2842851A1 (de) 1979-04-05
GB2005852B (en) 1982-03-17
JPS5751084B2 (enrdf_load_stackoverflow) 1982-10-30
DE2842851C3 (enrdf_load_stackoverflow) 1980-07-17
CA1122454A (en) 1982-04-27
IE47956B1 (en) 1984-08-08
GB2005852A (en) 1979-04-25
FR2404868B1 (enrdf_load_stackoverflow) 1984-08-10

Similar Documents

Publication Publication Date Title
JPS5445128A (en) Exposure control system for camera
KR830007054A (ko) X선 시네스테레오 촬영장치
KR830007057A (ko) X선 시네 스테레오 촬영장치
JPS53131826A (en) Photographing system for photograph data of camera
FR2404868A1 (fr) Systeme d'objectif a focale variable a commande manuelle et automatique
JPS52110033A (en) Single lens reflex camera
FR2405493A1 (fr) Appareil de prise de vues photographiques avec mise au point automatique de l'objectif
FR2366582A1 (fr) Dispositif de telemetrie par ultrasons pour appareil de prise de vues
JPS56101128A (en) Automatic focus adjusting camera
JPS51120725A (en) Automatic forcusing camera
JPS52138924A (en) Focal detector
US3796485A (en) Twin lens camera system having sequential or simultaneous lens operation
JPS5332728A (en) Focus control device for camera
JPS53135324A (en) Strobe bulit-in camera with data filming device
FR2454637A1 (fr) Dispositif de commande d'exposition utilisable avec un appareil photographique a commande de flash electronique
JPS5210126A (en) Focus adjusting device for camera
JPS56132328A (en) Method for photographing circumferential wall in underground buried pipe
FR2288330A1 (fr) Dispositif de commande automatique du diaphragme pour objectif a focale variable
JPS5424618A (en) Data photographing device of data image rotation tyep for camera
GB1169826A (en) Improvements relating to Photographic Apparatus
JPS5370431A (en) Lens shift device with mechanism interlocked with diaphragm
JPS5748720A (en) Camera
BE798652A (fr) Appareil de commande de camera pour systeme de transmission d'images par telephone
FR1354141A (fr) Dispositif de commande automatique de diaphragme pour appareil photographique
JPS5657243A (en) Transparent electron microscopic image camera

Legal Events

Date Code Title Description
ST Notification of lapse