NL111338C - - Google Patents

Info

Publication number
NL111338C
NL111338C NL185255A NL185255A NL111338C NL 111338 C NL111338 C NL 111338C NL 185255 A NL185255 A NL 185255A NL 185255 A NL185255 A NL 185255A NL 111338 C NL111338 C NL 111338C
Authority
NL
Netherlands
Application number
NL185255A
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 claimed from US338032A external-priority patent/US2910553A/en
Application filed filed Critical
Application granted granted Critical
Publication of NL111338C publication Critical patent/NL111338C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/162Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
NL185255A 1953-02-20 1954-02-19 NL111338C (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US338032A US2910553A (en) 1953-02-20 1953-02-20 Subscription television encoding apparatus
US40719254 US2866961A (en) 1953-02-20 1954-02-01 Subscription television encoding apparatus

Publications (1)

Publication Number Publication Date
NL111338C true NL111338C (xx) 1965-06-15

Family

ID=26990998

Family Applications (1)

Application Number Title Priority Date Filing Date
NL185255A NL111338C (xx) 1953-02-20 1954-02-19

Country Status (7)

Country Link
US (1) US2866961A (xx)
BE (1) BE526655A (xx)
CH (1) CH333034A (xx)
DE (1) DE946068C (xx)
FR (1) FR1099999A (xx)
GB (1) GB756758A (xx)
NL (1) NL111338C (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2931854A (en) * 1955-11-18 1960-04-05 Zenith Radio Corp Filter-rectifier-gate circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2539556A (en) * 1941-07-11 1951-01-30 Bell Telephone Labor Inc Variable delay speech privacy system
US2414101A (en) * 1943-06-04 1947-01-14 Faximile Inc Graphic privacy system
US2554507A (en) * 1947-08-11 1951-05-29 Faximile Inc Ciphering device

Also Published As

Publication number Publication date
BE526655A (xx) 1956-08-17
FR1099999A (fr) 1955-09-14
US2866961A (en) 1958-12-30
CH333034A (de) 1958-09-30
GB756758A (en) 1956-09-12
DE946068C (de) 1956-07-26

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