GB593161A - Improvements in or relating to electric facsimile transmission systems - Google Patents

Improvements in or relating to electric facsimile transmission systems

Info

Publication number
GB593161A
GB593161A GB12313/45A GB1231345A GB593161A GB 593161 A GB593161 A GB 593161A GB 12313/45 A GB12313/45 A GB 12313/45A GB 1231345 A GB1231345 A GB 1231345A GB 593161 A GB593161 A GB 593161A
Authority
GB
United Kingdom
Prior art keywords
output
arrangement
valve
light source
ripple
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
GB12313/45A
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.)
Creed and Co Ltd
Original Assignee
Creed and Co 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 to BE465782D priority Critical patent/BE465782A/xx
Application filed by Creed and Co Ltd filed Critical Creed and Co Ltd
Priority to GB12313/45A priority patent/GB593161A/en
Priority to ES173139A priority patent/ES173139A1/es
Priority to FR930982D priority patent/FR930982A/fr
Publication of GB593161A publication Critical patent/GB593161A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/40056—Circuits 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)
GB12313/45A 1945-05-16 1945-05-16 Improvements in or relating to electric facsimile transmission systems Expired GB593161A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE465782D BE465782A (enrdf_load_stackoverflow) 1945-05-16
GB12313/45A GB593161A (en) 1945-05-16 1945-05-16 Improvements in or relating to electric facsimile transmission systems
ES173139A ES173139A1 (es) 1945-05-16 1946-04-06 Un sistema eléctrico de transmisión de facsímiles
FR930982D FR930982A (fr) 1945-05-16 1946-05-16 Perfectionnements aux systèmes de transmission électrique en facsimilé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12313/45A GB593161A (en) 1945-05-16 1945-05-16 Improvements in or relating to electric facsimile transmission systems

Publications (1)

Publication Number Publication Date
GB593161A true GB593161A (en) 1947-10-09

Family

ID=10002222

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12313/45A Expired GB593161A (en) 1945-05-16 1945-05-16 Improvements in or relating to electric facsimile transmission systems

Country Status (4)

Country Link
BE (1) BE465782A (enrdf_load_stackoverflow)
ES (1) ES173139A1 (enrdf_load_stackoverflow)
FR (1) FR930982A (enrdf_load_stackoverflow)
GB (1) GB593161A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE465782A (enrdf_load_stackoverflow)
FR930982A (fr) 1948-02-10
ES173139A1 (es) 1946-05-01

Similar Documents

Publication Publication Date Title
GB1057771A (en) Improvements in hearing aids
US4063199A (en) Radio frequency pulse width amplitude modulation system
GB928669A (en) Improvements relating to photographic printing apparatus
US4207459A (en) Optical communication system utilizing light emitting diode
GB593161A (en) Improvements in or relating to electric facsimile transmission systems
GB677506A (en) Improvements in pulse amplifiers
DE60321344D1 (de) Blindlöschung von Kreuzmodulation durch Addition eines modulierten Signals
US2774041A (en) Controlled single-sideband transmitter
GB592584A (en) Improvements in pulse modulation systems
US3370248A (en) Distortion reducing circuit
GB625063A (en) Improvements in or relating to mains-hum-reduction in apparatus for transmitting electrical oscillations
GB2209639A (en) Solid state high frequency single side band transmitter
GB657768A (en) Amplitude modulator
JPS5783942A (en) Analog signal transmitter
GB421340A (en) Improvements in or relating to methods of and arrangements for modulating high frequency transmitters
GB647285A (en) D.c. amplifier
SU132681A1 (ru) Способ нелинейной широкополосной частотной модул ции
GB619968A (en) Improvements relating to high frequency transmitting apparatus
GB483883A (en) Improvements in or relating to radio transmitting systems
GB420019A (en) Process and apparatus for the electric transmission of signals by high frequency waves
JPS6121016B2 (enrdf_load_stackoverflow)
GB579118A (en) Improvements in or relating to remote control arrangements
GB171453A (en) Improvements in and relating to modulation systems and the like in radio communication and the like
GB213034A (en) Improvements in or relating to radio-frequency transmission systems
JPS56125126A (en) Light modulating circuit