CA1033448A - Primary transmitter for t.v. programme broadcasting through receiver-secondary transmitters - Google Patents

Primary transmitter for t.v. programme broadcasting through receiver-secondary transmitters

Info

Publication number
CA1033448A
CA1033448A CA201,743A CA201743A CA1033448A CA 1033448 A CA1033448 A CA 1033448A CA 201743 A CA201743 A CA 201743A CA 1033448 A CA1033448 A CA 1033448A
Authority
CA
Canada
Prior art keywords
receiver
primary transmitter
secondary transmitters
programme broadcasting
programme
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
CA201,743A
Other languages
French (fr)
Other versions
CA201743S (en
Inventor
Henri Chemin
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.)
LGT Laboratoire General des Telecommunications
Original Assignee
LGT Laboratoire General des Telecommunications
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 LGT Laboratoire General des Telecommunications filed Critical LGT Laboratoire General des Telecommunications
Priority to CA259,215A priority Critical patent/CA1033051A/en
Application granted granted Critical
Publication of CA1033448A publication Critical patent/CA1033448A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
    • H04N5/40—Modulation circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/04—Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier
    • H04N7/045—Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier the carrier being frequency modulated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Television Systems (AREA)
CA201,743A 1973-06-08 1974-06-05 Primary transmitter for t.v. programme broadcasting through receiver-secondary transmitters Expired CA1033448A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA259,215A CA1033051A (en) 1973-06-08 1976-08-16 Receiver-secondary transmitter for t.v. programmes broadcasting from a primary transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7321025A FR2232894A1 (en) 1973-06-08 1973-06-08 Transmission of one or more televisgn programmes - employs double modulation of video signals and single stage detection

Publications (1)

Publication Number Publication Date
CA1033448A true CA1033448A (en) 1978-06-20

Family

ID=9120725

Family Applications (1)

Application Number Title Priority Date Filing Date
CA201,743A Expired CA1033448A (en) 1973-06-08 1974-06-05 Primary transmitter for t.v. programme broadcasting through receiver-secondary transmitters

Country Status (5)

Country Link
AR (2) AR207449A1 (en)
BR (1) BR7404763D0 (en)
CA (1) CA1033448A (en)
FR (1) FR2232894A1 (en)
IN (1) IN142139B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0019746A1 (en) * 1979-05-16 1980-12-10 Siemens Aktiengesellschaft Directional radio relay system for large communal antenna systems

Also Published As

Publication number Publication date
AR207357A1 (en) 1976-09-30
IN142139B (en) 1977-06-04
BR7404763D0 (en) 1975-01-21
FR2232894A1 (en) 1975-01-03
AR207449A1 (en) 1976-10-08
FR2232894B1 (en) 1980-06-20

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19950620