DE1993413U - Kommunikationsgeraet. - Google Patents

Kommunikationsgeraet.

Info

Publication number
DE1993413U
DE1993413U DE1966P0026665 DEP0026665U DE1993413U DE 1993413 U DE1993413 U DE 1993413U DE 1966P0026665 DE1966P0026665 DE 1966P0026665 DE P0026665 U DEP0026665 U DE P0026665U DE 1993413 U DE1993413 U DE 1993413U
Authority
DE
Germany
Prior art keywords
light
optical system
focal point
visible
communication device
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
DE1966P0026665
Other languages
German (de)
English (en)
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.)
GE Healthcare UK Ltd
Original Assignee
GE Healthcare UK 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
Priority claimed from GB4891/65A external-priority patent/GB1124061A/en
Application filed by GE Healthcare UK Ltd filed Critical GE Healthcare UK Ltd
Publication of DE1993413U publication Critical patent/DE1993413U/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/112—Line-of-sight transmission over an extended range
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/10—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors reflecting into the field of view additional indications, e.g. from collimator
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
DE1966P0026665 1965-02-04 1966-02-03 Kommunikationsgeraet. Expired DE1993413U (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4891/65A GB1124061A (en) 1965-02-04 1965-02-04 Improvements relating to communication equipment

Publications (1)

Publication Number Publication Date
DE1993413U true DE1993413U (de) 1968-09-05

Family

ID=9785810

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1966P0026665 Expired DE1993413U (de) 1965-02-04 1966-02-03 Kommunikationsgeraet.

Country Status (2)

Country Link
DE (1) DE1993413U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL6601299A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
NL6601299A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1966-08-05

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