FR689962A - Diaphragm for telephoto cameras - Google Patents

Diaphragm for telephoto cameras

Info

Publication number
FR689962A
FR689962A FR689962DA FR689962A FR 689962 A FR689962 A FR 689962A FR 689962D A FR689962D A FR 689962DA FR 689962 A FR689962 A FR 689962A
Authority
FR
France
Prior art keywords
diaphragm
telephoto cameras
telephoto
cameras
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.)
Expired
Application number
Other languages
French (fr)
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.)
Siemens and Halske AG
Original Assignee
Siemens and Halske AG
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 Siemens and Halske AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR689962A publication Critical patent/FR689962A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
FR689962D 1929-03-18 1930-02-14 Diaphragm for telephoto cameras Expired FR689962A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE689962X 1929-03-18

Publications (1)

Publication Number Publication Date
FR689962A true FR689962A (en) 1930-09-15

Family

ID=6598821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR689962D Expired FR689962A (en) 1929-03-18 1930-02-14 Diaphragm for telephoto cameras

Country Status (1)

Country Link
FR (1) FR689962A (en)

Similar Documents

Publication Publication Date Title
FR692281A (en) Advanced acoustic diaphragm
FR685304A (en) Support device for acoustic membranes
FR689962A (en) Diaphragm for telephoto cameras
FR671930A (en) Case for projection devices
FR601857A (en) Cane stand for cameras
FR724756A (en) Shutter for cameras
FR717319A (en) Holder for stereoscopic cameras
FR669001A (en) Optical device for cameras
FR681023A (en) Phonographic diaphragm
FR682504A (en) Shutter for cameras
FR37232E (en) Diaphragm for roentgen tubes
FR703714A (en) Vibrating membrane for phonic devices
FR712471A (en) Diaphragm for loudspeakers
FR721204A (en) Housing for diaphragm loudspeaker
FR707282A (en) Improvements to projection devices for sound cinematography
FR709022A (en) Improvements to shutters for cameras
FR595157A (en) Shutter for cameras
FR695592A (en) Acoustic device for loudspeakers
FR842247A (en) Diaphragm for stereoscopic cameras
FR656207A (en) Regulator for cinematographic cameras
FR738415A (en) Vibrating diaphragm for sound devices
FR709926A (en) Improvements to cameras for photography
FR675461A (en) Improvements to stereoscopic cameras
FR679417A (en) Improvements to focusing devices for cameras
FR714007A (en) Shutter for cameras