FR2658311A1 - Dispositif de zoom motorise. - Google Patents

Dispositif de zoom motorise. Download PDF

Info

Publication number
FR2658311A1
FR2658311A1 FR9101805A FR9101805A FR2658311A1 FR 2658311 A1 FR2658311 A1 FR 2658311A1 FR 9101805 A FR9101805 A FR 9101805A FR 9101805 A FR9101805 A FR 9101805A FR 2658311 A1 FR2658311 A1 FR 2658311A1
Authority
FR
France
Prior art keywords
lens
zoom
cpu
zoom device
control
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.)
Pending
Application number
FR9101805A
Other languages
English (en)
French (fr)
Inventor
Takahashi Hiroyuki
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2658311A1 publication Critical patent/FR2658311A1/fr
Pending 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
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Optical Elements Other Than Lenses (AREA)
FR9101805A 1990-03-26 1991-02-15 Dispositif de zoom motorise. Pending FR2658311A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3160690U JPH03120873U (enExample) 1990-03-26 1990-03-26

Publications (1)

Publication Number Publication Date
FR2658311A1 true FR2658311A1 (fr) 1991-08-16

Family

ID=31534391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9101805A Pending FR2658311A1 (fr) 1990-03-26 1991-02-15 Dispositif de zoom motorise.

Country Status (2)

Country Link
JP (1) JPH03120873U (enExample)
FR (1) FR2658311A1 (enExample)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4157489A (en) * 1977-06-08 1979-06-05 Burroughs Corporation Servo control system
EP0116210A2 (en) * 1982-12-07 1984-08-22 Matsushita Electric Industrial Co., Ltd. Optical lens moving mechanism
US4675589A (en) * 1984-09-21 1987-06-23 Vdo Adolf Schindling Ag Method and device for producing a pulsed setting voltage
EP0273382A2 (en) * 1986-12-27 1988-07-06 Victor Company Of Japan, Limited Drive control of zoom lens in zooming system
US4910789A (en) * 1987-10-07 1990-03-20 Kyocera Corporation Apparatus for controlling the adjustment rate of a lens assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4157489A (en) * 1977-06-08 1979-06-05 Burroughs Corporation Servo control system
EP0116210A2 (en) * 1982-12-07 1984-08-22 Matsushita Electric Industrial Co., Ltd. Optical lens moving mechanism
US4675589A (en) * 1984-09-21 1987-06-23 Vdo Adolf Schindling Ag Method and device for producing a pulsed setting voltage
EP0273382A2 (en) * 1986-12-27 1988-07-06 Victor Company Of Japan, Limited Drive control of zoom lens in zooming system
US4910789A (en) * 1987-10-07 1990-03-20 Kyocera Corporation Apparatus for controlling the adjustment rate of a lens assembly

Also Published As

Publication number Publication date
JPH03120873U (enExample) 1991-12-11

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