NL246793A - - Google Patents

Info

Publication number
NL246793A
NL246793A NL246793DA NL246793A NL 246793 A NL246793 A NL 246793A NL 246793D A NL246793D A NL 246793DA NL 246793 A NL246793 A NL 246793A
Authority
NL
Netherlands
Application number
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.)
Publication of NL246793A publication Critical patent/NL246793A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/14Arrangements providing for calling or supervisory signals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/14Solid thermionic cathodes characterised by the material

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Selective Calling Equipment (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
NL246793D 1959-12-24 NL246793A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL246793 1959-12-24

Publications (1)

Publication Number Publication Date
NL246793A true NL246793A (nl)

Family

ID=19752101

Family Applications (2)

Application Number Title Priority Date Filing Date
NL246793D NL246793A (nl) 1959-12-24
NL107299D NL107299C (nl) 1959-12-24

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL107299D NL107299C (nl) 1959-12-24

Country Status (5)

Country Link
US (1) US3131352A (nl)
CH (1) CH402958A (nl)
DE (1) DE1141347B (nl)
GB (1) GB935855A (nl)
NL (2) NL107299C (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3306984A (en) * 1963-12-16 1967-02-28 Bell Telephone Labor Inc Elimination of talk-off in in-band signaling systems

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2184826A (en) * 1936-11-20 1939-12-26 Lorenz C Ag Signal transmission system
FR831118A (fr) * 1936-12-22 1938-08-23 Lorenz C Ag Dispositif de transmission de messages par des courants alternatifs porteurs à haute fréquence, en particulier dans les installations radiophoniques avec fils
US2215483A (en) * 1937-12-27 1940-09-24 Hartford Nat Bank & Trust Co Carrier wave telephony system
US2880312A (en) * 1955-02-02 1959-03-31 I D E A Inc Transistor oscillator-mixer with received and local oscillations applied between emitter and base
US2871295A (en) * 1956-10-29 1959-01-27 Gen Dynamics Corp Automatic frequency correction in suppressed carrier communication systems
US2891145A (en) * 1956-12-05 1959-06-16 Avco Mfg Corp Detector and agc system

Also Published As

Publication number Publication date
DE1141347B (de) 1962-12-20
US3131352A (en) 1964-04-28
NL107299C (nl)
CH402958A (de) 1965-11-30
GB935855A (en) 1963-09-04

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