GB509376A - Improvements in instruments for modulating rays, especially for light-ray telephony - Google Patents

Improvements in instruments for modulating rays, especially for light-ray telephony

Info

Publication number
GB509376A
GB509376A GB27868/38A GB2786838A GB509376A GB 509376 A GB509376 A GB 509376A GB 27868/38 A GB27868/38 A GB 27868/38A GB 2786838 A GB2786838 A GB 2786838A GB 509376 A GB509376 A GB 509376A
Authority
GB
United Kingdom
Prior art keywords
telephony
instruments
ray
light
modulating
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
GB27868/38A
Other languages
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.)
Carl Zeiss AG
Original Assignee
Carl Zeiss 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 Carl Zeiss AG filed Critical Carl Zeiss AG
Publication of GB509376A publication Critical patent/GB509376A/en
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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/66—Transforming electric information into light information

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
GB27868/38A 1937-09-30 1938-09-24 Improvements in instruments for modulating rays, especially for light-ray telephony Expired GB509376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE509376X 1937-09-30

Publications (1)

Publication Number Publication Date
GB509376A true GB509376A (en) 1939-07-14

Family

ID=6547183

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27868/38A Expired GB509376A (en) 1937-09-30 1938-09-24 Improvements in instruments for modulating rays, especially for light-ray telephony

Country Status (3)

Country Link
FR (1) FR844084A (enrdf_load_stackoverflow)
GB (1) GB509376A (enrdf_load_stackoverflow)
NL (1) NL49615C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR844084A (fr) 1939-07-18
NL49615C (enrdf_load_stackoverflow)

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