IT8983388A0 - BI STANDARD FREQUENCY SHIFT GENERATOR, ESPECIALLY FOR MESHED TELEVISION NETWORKS. - Google Patents

BI STANDARD FREQUENCY SHIFT GENERATOR, ESPECIALLY FOR MESHED TELEVISION NETWORKS.

Info

Publication number
IT8983388A0
IT8983388A0 IT8983388A IT8338889A IT8983388A0 IT 8983388 A0 IT8983388 A0 IT 8983388A0 IT 8983388 A IT8983388 A IT 8983388A IT 8338889 A IT8338889 A IT 8338889A IT 8983388 A0 IT8983388 A0 IT 8983388A0
Authority
IT
Italy
Prior art keywords
meshed
frequency shift
standard frequency
television networks
shift generator
Prior art date
Application number
IT8983388A
Other languages
Italian (it)
Other versions
IT1233805B (en
Inventor
Jean Alain Chabas
Joel Remy
Original Assignee
Marconi Adret Sa
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 Marconi Adret Sa filed Critical Marconi Adret Sa
Publication of IT8983388A0 publication Critical patent/IT8983388A0/en
Application granted granted Critical
Publication of IT1233805B publication Critical patent/IT1233805B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/0805—Details of the phase-locked loop the loop being adapted to provide an additional control signal for use outside the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Radio Relay Systems (AREA)
IT8983388A 1988-05-05 1989-04-26 BI STANDARD GENERATOR OF FREQUENCY DISPLACEMENT, ESPECIALLY FOR MESH TELEVISION NETWORKS. IT1233805B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8806027A FR2631180B1 (en) 1988-05-05 1988-05-05 BI-STANDARD FREQUENCY TRANSPOSITION GENERATOR, PARTICULARLY FOR TELEVISION MESH NETWORK

Publications (2)

Publication Number Publication Date
IT8983388A0 true IT8983388A0 (en) 1989-04-26
IT1233805B IT1233805B (en) 1992-04-17

Family

ID=9366009

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8983388A IT1233805B (en) 1988-05-05 1989-04-26 BI STANDARD GENERATOR OF FREQUENCY DISPLACEMENT, ESPECIALLY FOR MESH TELEVISION NETWORKS.

Country Status (7)

Country Link
DE (1) DE3914693A1 (en)
ES (1) ES2014083A6 (en)
FR (1) FR2631180B1 (en)
GB (1) GB2219157B (en)
IT (1) IT1233805B (en)
NO (1) NO891623L (en)
SE (1) SE8901293L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2698221B1 (en) * 1992-11-17 1995-07-21 Erfatec PILOT OSCILLATOR FOR TV TRANSMITTER AND TRANSMITTER.
GB9505522D0 (en) * 1995-03-18 1995-05-03 Gen Electric Co Plc Commodity consumption registering meters
US6549242B1 (en) * 1997-04-04 2003-04-15 Harris Corporation Combining adjacent TV channels for transmission by a common antenna
CN104348537B (en) * 2014-10-29 2017-09-26 成都锐新科技有限公司 A kind of fast-forwarding system based on microwave equipment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571621A (en) * 1983-06-15 1986-02-18 Microband Corporation Of America Television transmitter
NL8500675A (en) * 1985-03-11 1986-10-01 Philips Nv AM RECEIVER.
US4817197A (en) * 1986-07-18 1989-03-28 Nippon Telegraph And Telephone Corporation Mobile communication apparatus

Also Published As

Publication number Publication date
ES2014083A6 (en) 1990-06-16
SE8901293L (en) 1989-11-06
FR2631180B1 (en) 1991-03-29
DE3914693A1 (en) 1989-11-16
SE8901293D0 (en) 1989-04-11
DE3914693C2 (en) 1992-10-29
GB8910024D0 (en) 1989-06-21
GB2219157B (en) 1992-09-30
NO891623L (en) 1989-11-06
GB2219157A (en) 1989-11-29
IT1233805B (en) 1992-04-17
FR2631180A1 (en) 1989-11-10
NO891623D0 (en) 1989-04-20

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940429