BR8000494A - FREQUENCY GENERATOR - Google Patents

FREQUENCY GENERATOR

Info

Publication number
BR8000494A
BR8000494A BR8000494A BR8000494A BR8000494A BR 8000494 A BR8000494 A BR 8000494A BR 8000494 A BR8000494 A BR 8000494A BR 8000494 A BR8000494 A BR 8000494A BR 8000494 A BR8000494 A BR 8000494A
Authority
BR
Brazil
Prior art keywords
frequency generator
generator
frequency
Prior art date
Application number
BR8000494A
Other languages
Portuguese (pt)
Inventor
Lempel B Zylberstejn
Original Assignee
Int Standard Electric 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of BR8000494A publication Critical patent/BR8000494A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • G06F1/0321—Waveform generators, i.e. devices for generating periodical functions of time, e.g. direct digital synthesizers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
    • H04M1/505—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies signals generated in digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Transmitters (AREA)
BR8000494A 1979-01-26 1980-01-25 FREQUENCY GENERATOR BR8000494A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7902027A FR2447647A1 (en) 1979-01-26 1979-01-26 Frequency generator for telephone system - provides mixed frequency signal from two programmable divider chains and mixer (BR 21.10.80)

Publications (1)

Publication Number Publication Date
BR8000494A true BR8000494A (en) 1980-10-21

Family

ID=9221245

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8000494A BR8000494A (en) 1979-01-26 1980-01-25 FREQUENCY GENERATOR

Country Status (2)

Country Link
BR (1) BR8000494A (en)
FR (1) FR2447647A1 (en)

Also Published As

Publication number Publication date
FR2447647A1 (en) 1980-08-22
FR2447647B3 (en) 1981-10-16

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