GB378948A - Improvements in or relating to television and like apparatus - Google Patents

Improvements in or relating to television and like apparatus

Info

Publication number
GB378948A
GB378948A GB1490231A GB1490231A GB378948A GB 378948 A GB378948 A GB 378948A GB 1490231 A GB1490231 A GB 1490231A GB 1490231 A GB1490231 A GB 1490231A GB 378948 A GB378948 A GB 378948A
Authority
GB
United Kingdom
Prior art keywords
drum
aperture
london
mirror
lens drum
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
GB1490231A
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi 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 BE387352D priority Critical patent/BE387352A/xx
Priority to BE386275D priority patent/BE386275A/xx
Priority to BE388637D priority patent/BE388637A/xx
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to GB1490231A priority patent/GB378948A/en
Publication of GB378948A publication Critical patent/GB378948A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/30Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
    • H04N3/34Elemental scanning area oscillated rapidly in direction transverse to main scanning direction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/02Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
GB1490231A 1931-05-20 1931-05-20 Improvements in or relating to television and like apparatus Expired GB378948A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE387352D BE387352A (enrdf_load_stackoverflow) 1931-05-20
BE386275D BE386275A (enrdf_load_stackoverflow) 1931-05-20
BE388637D BE388637A (enrdf_load_stackoverflow) 1931-05-20
GB1490231A GB378948A (en) 1931-05-20 1931-05-20 Improvements in or relating to television and like apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1490231A GB378948A (en) 1931-05-20 1931-05-20 Improvements in or relating to television and like apparatus

Publications (1)

Publication Number Publication Date
GB378948A true GB378948A (en) 1932-08-22

Family

ID=10049549

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1490231A Expired GB378948A (en) 1931-05-20 1931-05-20 Improvements in or relating to television and like apparatus

Country Status (2)

Country Link
BE (3) BE386275A (enrdf_load_stackoverflow)
GB (1) GB378948A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE388637A (enrdf_load_stackoverflow)
BE387352A (enrdf_load_stackoverflow)
BE386275A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB1424410A (en) Methods of and systems for sharpness in the reproduction of continuous-tone pictures
GB378948A (en) Improvements in or relating to television and like apparatus
GB1045080A (en) Optical scanning apparatus
GB276399A (en) Improvements in or relating to picture telegraphy and the like
JPS5639680A (en) Method and device for image pickup of television
GB411489A (en) Improvements in or relating to television and similar systems
US2226997A (en) Television transmitter
GB1507626A (en) Telecine equipment comprising an arrangement for projecting images of markers on to a photosensitive surface
GB375385A (en) Improvements in or relating to television and like systems
JPS535649A (en) Automatic focusing device
US1933392A (en) Television transmitting system
GB372370A (en) Improvements in or relating to television and like apparatus
US1970312A (en) Electrooptical system
US1943395A (en) Television apparatus
DE544036C (de) Vorrichtung fuer den Bildwurf von Reklamen mittels in Form von Zeichen ausgebildeterLichtquellen auf weite Entfernungen
GB430570A (en) Improvements in or relating to optical systems for use in television or like apparatus
GB412905A (en) Improvements in and relating to television apparatus
US1765453A (en) Television apparatus
GB378079A (en) Improvements in or relating to television apparatus
GB595575A (en) Continuous facsimile scanner
GB445938A (en) Improvements in or relating to television and like scanning systems
SU118052A1 (ru) Способ записи телевизионных изображений строчек
GB381544A (en) Improvements in or relating to television scanning apparatus
GB406709A (en) Improvements in or relating to scanning apparatus for use in television picture telegraph and like systems
US1739312A (en) Spot illumination of lens cells