FR2478829A1 - Jumelles optiques a mecanisme de mise au point automatique - Google Patents

Jumelles optiques a mecanisme de mise au point automatique Download PDF

Info

Publication number
FR2478829A1
FR2478829A1 FR8105645A FR8105645A FR2478829A1 FR 2478829 A1 FR2478829 A1 FR 2478829A1 FR 8105645 A FR8105645 A FR 8105645A FR 8105645 A FR8105645 A FR 8105645A FR 2478829 A1 FR2478829 A1 FR 2478829A1
Authority
FR
France
Prior art keywords
lens
binoculars
module
windows
optical
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
FR8105645A
Other languages
English (en)
French (fr)
Other versions
FR2478829B1 (2
Inventor
Isao Ishibai
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.)
Hoya Corp
Original Assignee
Hoya 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 Hoya Corp filed Critical Hoya Corp
Publication of FR2478829A1 publication Critical patent/FR2478829A1/fr
Application granted granted Critical
Publication of FR2478829B1 publication Critical patent/FR2478829B1/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
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/06—Focusing binocular pairs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telescopes (AREA)
  • Automatic Focus Adjustment (AREA)
FR8105645A 1980-03-21 1981-03-20 Jumelles optiques a mecanisme de mise au point automatique Granted FR2478829A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3488580A JPS56132309A (en) 1980-03-21 1980-03-21 Automatically focusable binoculars

Publications (2)

Publication Number Publication Date
FR2478829A1 true FR2478829A1 (fr) 1981-09-25
FR2478829B1 FR2478829B1 (2) 1984-05-04

Family

ID=12426593

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8105645A Granted FR2478829A1 (fr) 1980-03-21 1981-03-20 Jumelles optiques a mecanisme de mise au point automatique

Country Status (5)

Country Link
US (1) US4650297A (2)
JP (1) JPS56132309A (2)
DE (1) DE3111104C2 (2)
FR (1) FR2478829A1 (2)
GB (1) GB2073904B (2)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57196206A (en) * 1981-05-29 1982-12-02 Hoya Corp Autofocus binocular
JPS63500131A (ja) * 1985-06-24 1988-01-14 アメリカン テレフオン アンド テレグラフ カムパニ− 光学的切り混ぜ装置
US5235458A (en) * 1990-02-20 1993-08-10 Minolta Camera Kabushiki Kaisha Binocular
US5311354A (en) * 1990-07-30 1994-05-10 Minolta Camera Kabushiki Kaisha Telescope
US5092075A (en) * 1991-02-22 1992-03-03 Campos Jose M Storage device for use in emergencies or as a combination hand caster including fishing reel, tackle storage box and flashlight storage handle
US5572361A (en) * 1991-10-17 1996-11-05 Minolta Camera Kabushiki Kaisha Binocular system with automatic diopter power adjustment
US5371626A (en) * 1993-03-09 1994-12-06 Benopcon, Inc. Wide angle binocular system with variable power capability
JP3708991B2 (ja) * 1994-12-28 2005-10-19 ペンタックス株式会社 インナーフォーカスの望遠鏡

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB981228A (en) * 1960-10-07 1965-01-20 Julius Durst Focusing device for photographic camera lenses
GB1448424A (en) * 1973-07-09 1976-09-08 Honeywell Inc Focus detecting apparatus
US4160904A (en) * 1977-09-19 1979-07-10 Honeywell Inc. Digital continuous focus proportional controller
GB2030725A (en) * 1978-09-11 1980-04-10 Hoya Corp Focussing binoculars
GB2048511A (en) * 1979-04-23 1980-12-10 Hoya Corp Binoculars having an automatic focussing system
GB2052781A (en) * 1979-06-04 1981-01-28 Hoya Corp Inoculars including an eye span adjustment mechanism

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1044055A (en) * 1974-12-04 1978-12-12 Norman L. Stauffer Signal processor for focus detecting apparatus
US4083056A (en) * 1975-09-09 1978-04-04 Asahi Kogaku Kogyo Kabushiki Kaisha Focus detecting device for single-lens reflex cameras
JPS5346026A (en) * 1976-10-08 1978-04-25 Bell & Howell Japan Automatic focal length measuring device
JPS53105223A (en) * 1977-02-25 1978-09-13 Ricoh Co Ltd Optical system of distance detector for automatic focusing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB981228A (en) * 1960-10-07 1965-01-20 Julius Durst Focusing device for photographic camera lenses
GB1448424A (en) * 1973-07-09 1976-09-08 Honeywell Inc Focus detecting apparatus
US4160904A (en) * 1977-09-19 1979-07-10 Honeywell Inc. Digital continuous focus proportional controller
GB2030725A (en) * 1978-09-11 1980-04-10 Hoya Corp Focussing binoculars
GB2048511A (en) * 1979-04-23 1980-12-10 Hoya Corp Binoculars having an automatic focussing system
GB2052781A (en) * 1979-06-04 1981-01-28 Hoya Corp Inoculars including an eye span adjustment mechanism

Also Published As

Publication number Publication date
GB2073904B (en) 1984-10-31
JPS56132309A (en) 1981-10-16
DE3111104A1 (de) 1982-01-14
DE3111104C2 (de) 1983-12-01
GB2073904A (en) 1981-10-21
US4650297A (en) 1987-03-17
FR2478829B1 (2) 1984-05-04

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Legal Events

Date Code Title Description
ST Notification of lapse