GB647892A - Improvements in television transmitters - Google Patents

Improvements in television transmitters

Info

Publication number
GB647892A
GB647892A GB1718047A GB1718047A GB647892A GB 647892 A GB647892 A GB 647892A GB 1718047 A GB1718047 A GB 1718047A GB 1718047 A GB1718047 A GB 1718047A GB 647892 A GB647892 A GB 647892A
Authority
GB
United Kingdom
Prior art keywords
frame
pulses
switch
pulse
valve
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
GB1718047A
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.)
Zenith Electronics LLC
Original Assignee
Zenith Radio Corp
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 Zenith Radio Corp filed Critical Zenith Radio Corp
Priority to GB1718047A priority Critical patent/GB647892A/en
Priority to CH271268D priority patent/CH271268A/de
Priority to DEZ1355A priority patent/DE863078C/de
Publication of GB647892A publication Critical patent/GB647892A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/165—Centralised control of user terminal ; Registering at central

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
GB1718047A 1947-06-30 1947-06-30 Improvements in television transmitters Expired GB647892A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1718047A GB647892A (en) 1947-06-30 1947-06-30 Improvements in television transmitters
CH271268D CH271268A (de) 1947-06-30 1947-06-30 Fernsehanlage.
DEZ1355A DE863078C (de) 1947-06-30 1950-09-29 Fernsehsender

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1718047A GB647892A (en) 1947-06-30 1947-06-30 Improvements in television transmitters

Publications (1)

Publication Number Publication Date
GB647892A true GB647892A (en) 1950-12-28

Family

ID=10090656

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1718047A Expired GB647892A (en) 1947-06-30 1947-06-30 Improvements in television transmitters

Country Status (2)

Country Link
CH (1) CH271268A (de)
GB (1) GB647892A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1053036A (fr) * 1952-03-25 1954-01-29 Radio Electr Soc Fr Perfectionnements aux systèmes de synchronisation applicables au matériel de liaison secrète à impulsions

Also Published As

Publication number Publication date
CH271268A (de) 1950-10-15

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