AT377663B - CIRCUIT ARRANGEMENT FOR FREQUENCY MODULATION - Google Patents

CIRCUIT ARRANGEMENT FOR FREQUENCY MODULATION

Info

Publication number
AT377663B
AT377663B AT187377A AT187377A AT377663B AT 377663 B AT377663 B AT 377663B AT 187377 A AT187377 A AT 187377A AT 187377 A AT187377 A AT 187377A AT 377663 B AT377663 B AT 377663B
Authority
AT
Austria
Prior art keywords
circuit arrangement
frequency modulation
modulation
frequency
arrangement
Prior art date
Application number
AT187377A
Other languages
German (de)
Other versions
ATA187377A (en
Original Assignee
Ampex
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 Ampex filed Critical Ampex
Publication of ATA187377A publication Critical patent/ATA187377A/en
Application granted granted Critical
Publication of AT377663B publication Critical patent/AT377663B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/088—Aspects of digital computing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
    • H04N9/7912—Suppression of interfering signals at the reproducing side, e.g. noise the interfering signals being intermodulation signals
AT187377A 1981-07-02 1977-03-18 CIRCUIT ARRANGEMENT FOR FREQUENCY MODULATION AT377663B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813126045 DE3126045A1 (en) 1981-07-02 1981-07-02 Short-circuit direction indicators

Publications (2)

Publication Number Publication Date
ATA187377A ATA187377A (en) 1984-08-15
AT377663B true AT377663B (en) 1985-04-25

Family

ID=6135903

Family Applications (1)

Application Number Title Priority Date Filing Date
AT187377A AT377663B (en) 1981-07-02 1977-03-18 CIRCUIT ARRANGEMENT FOR FREQUENCY MODULATION

Country Status (2)

Country Link
AT (1) AT377663B (en)
DE (1) DE3126045A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2024931A6 (en) * 1990-10-29 1992-03-01 Iberduero Sa Power distribution line automatic defects detector
DE4112543A1 (en) * 1991-04-17 1992-10-22 Em Elektro Mechanik Gmbh Short circuit indicator with automatic reset for high and medium voltage networks - takes operating current from monitored network capacitively via field plates or inductively via coils
DE19757573B4 (en) * 1997-12-23 2006-04-13 Wolf Kusserow Method and device for indicating the direction of an energy flow in AC electrical networks
GB2462001B (en) * 2008-07-21 2012-05-30 Surenet Technology Ltd Fault detection and restoration system

Also Published As

Publication number Publication date
DE3126045A1 (en) 1983-01-13
ATA187377A (en) 1984-08-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties