FR688618A - Device for amplifying the currents triggered by photoelectric cells - Google Patents

Device for amplifying the currents triggered by photoelectric cells

Info

Publication number
FR688618A
FR688618A FR688618DA FR688618A FR 688618 A FR688618 A FR 688618A FR 688618D A FR688618D A FR 688618DA FR 688618 A FR688618 A FR 688618A
Authority
FR
France
Prior art keywords
amplifying
photoelectric cells
currents
triggered
currents triggered
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz 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 Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of FR688618A publication Critical patent/FR688618A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/40056Circuits for driving or energising particular reading heads or original illumination means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
FR688618D 1929-02-11 1930-01-21 Device for amplifying the currents triggered by photoelectric cells Expired FR688618A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE338799X 1929-02-11

Publications (1)

Publication Number Publication Date
FR688618A true FR688618A (en) 1930-08-27

Family

ID=6222932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR688618D Expired FR688618A (en) 1929-02-11 1930-01-21 Device for amplifying the currents triggered by photoelectric cells

Country Status (3)

Country Link
US (1) US1972221A (en)
FR (1) FR688618A (en)
GB (1) GB338799A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477307A (en) * 1946-11-09 1949-07-26 Mackta Leo Combined x-ray and fluoroscopic apparatus
US2608128A (en) * 1949-03-09 1952-08-26 W M Welsh Mfg Company Phototube amplification
US3214593A (en) * 1961-08-28 1965-10-26 Honeywell Inc Component drift compensator
US10398192B2 (en) * 2010-05-21 2019-09-03 Samuel R. Hunter Bicycle pedal system

Also Published As

Publication number Publication date
US1972221A (en) 1934-09-04
GB338799A (en) 1930-11-27

Similar Documents

Publication Publication Date Title
FR688618A (en) Device for amplifying the currents triggered by photoelectric cells
FR667010A (en) Device for amplifying the currents of photo-electric cells used, for example, for television, telephotography, talking films and photometry
FR889279A (en) Device for amplifying small electrical quantities
FR702790A (en) Draw-spinning device
FR695832A (en) Thermionic amplifier for photoelectric device
SU26699A1 (en) Device to produce hydrogen
FR679223A (en) Device for obtaining intense photoelectric currents
FR669358A (en) Forage transport device
FR687326A (en) Improvements to amplification devices
FR673853A (en) Locker
FR634033A (en) Multiple amplifier device
FR38600E (en) Vacuum servo-clutch device
FR724623A (en) Reversible amplifier device
FR557557A (en) Device for amplifying electric currents
FR695042A (en) Power supply device for loudspeakers or condenser microphones
FR614816A (en) Device for supporting micro-telephones
ES113511A1 (en) Amplifier improvements.
FR696888A (en) Two-way amplification device for variable currents
FR734534A (en) Device for serving intermediate amplifying telephone exchanges
FR33666E (en) Thermoelectric couple association device for thermoelectric cells
ES113215A1 (en) Aerogeodeic device called "stereo-reflector".
FR699527A (en) Device for disinfecting microphones and telephone headphones
FR38378E (en) Vacuum servo-clutch device
FR664376A (en) Device allowing to tie quickly
FR705588A (en) Improvements to devices for cutting and closing currents by the photoelectric effect