GB340964A - Improvements relating to electro-optical light image microphones - Google Patents

Improvements relating to electro-optical light image microphones

Info

Publication number
GB340964A
GB340964A GB17451/29A GB1745129A GB340964A GB 340964 A GB340964 A GB 340964A GB 17451/29 A GB17451/29 A GB 17451/29A GB 1745129 A GB1745129 A GB 1745129A GB 340964 A GB340964 A GB 340964A
Authority
GB
United Kingdom
Prior art keywords
condenser
transmitter
microphones
electro
light image
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
GB17451/29A
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.)
Elektro Physikalische Ges M B
Original Assignee
Elektro Physikalische Ges M B
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 Elektro Physikalische Ges M B filed Critical Elektro Physikalische Ges M B
Publication of GB340964A publication Critical patent/GB340964A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
GB17451/29A 1929-04-19 1929-06-06 Improvements relating to electro-optical light image microphones Expired GB340964A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE340964X 1929-04-19

Publications (1)

Publication Number Publication Date
GB340964A true GB340964A (en) 1931-01-01

Family

ID=6230675

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17451/29A Expired GB340964A (en) 1929-04-19 1929-06-06 Improvements relating to electro-optical light image microphones

Country Status (3)

Country Link
BE (1) BE362363A (enrdf_load_stackoverflow)
FR (1) FR678190A (enrdf_load_stackoverflow)
GB (1) GB340964A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE887208C (de) * 1938-01-08 1953-08-20 Telefunken Gmbh Bildabtastroehre mit einem Bildschirm aus einer Substanz, die bei Belichtung ihren Widerstand und/oder ihre Dielektrizitaets-konstante aendert

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE887208C (de) * 1938-01-08 1953-08-20 Telefunken Gmbh Bildabtastroehre mit einem Bildschirm aus einer Substanz, die bei Belichtung ihren Widerstand und/oder ihre Dielektrizitaets-konstante aendert

Also Published As

Publication number Publication date
BE362363A (enrdf_load_stackoverflow)
FR678190A (fr) 1930-03-19

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