BE476344A - - Google Patents

Info

Publication number
BE476344A
BE476344A BE476344DA BE476344A BE 476344 A BE476344 A BE 476344A BE 476344D A BE476344D A BE 476344DA BE 476344 A BE476344 A BE 476344A
Authority
BE
Belgium
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 BE476344A publication Critical patent/BE476344A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
    • H04Q1/4465—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency the same frequency being used for all signalling information, e.g. A.C. nr.9 system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Selective Calling Equipment (AREA)
BE476344D 1946-06-20 BE476344A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18576/46A GB619878A (en) 1946-06-20 1946-06-20 Improvements in or relating to communicatioin systems and to signal receivers therefor

Publications (1)

Publication Number Publication Date
BE476344A true BE476344A (ja)

Family

ID=27799778

Family Applications (1)

Application Number Title Priority Date Filing Date
BE476344D BE476344A (ja) 1946-06-20

Country Status (5)

Country Link
US (1) US2515553A (ja)
BE (1) BE476344A (ja)
CH (1) CH298702A (ja)
FR (1) FR951198A (ja)
GB (1) GB619878A (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1098648A (fr) * 1954-01-22 1955-08-16 Lignes Telegraph Telephon Dispositif de réception de signaux télégraphiques
US2913711A (en) * 1954-10-15 1959-11-17 Itt Signal control system
FR2455827A1 (fr) * 1979-05-03 1980-11-28 Ibm France Dispositif de diagnostic et d'alarme pour un reseau de communication de donnees
DE2923716A1 (de) * 1979-06-12 1980-12-18 Fuss Fritz Kg Verfahren zur uebertragung binaerer signale ueber ein fremdes drahtnetz

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1696274A (en) * 1926-11-30 1928-12-25 Bell Telephone Labor Inc Substation circuits
US2205142A (en) * 1937-02-03 1940-06-18 Holtzer Cabot Electric Co Loudspeaking telephone system
US2371291A (en) * 1939-08-14 1945-03-13 Transmission system
USRE23057E (en) * 1942-01-29 1948-12-14 atkins
US2370338A (en) * 1944-05-11 1945-02-27 James C White Notebook leaf elevating and turning device

Also Published As

Publication number Publication date
US2515553A (en) 1950-07-18
FR951198A (fr) 1949-10-18
GB619878A (en) 1949-03-16
CH298702A (fr) 1954-05-15

Similar Documents

Publication Publication Date Title
BE463006A (ja)
FR954764A (ja)
FR915522A (ja)
BE464077A (ja)
NL66978C (ja)
NL65573C (ja)
NL133714B (ja)
LU28277A1 (ja)
BE478915A (ja)
BE477442A (ja)
BE457494A (ja)
BE475606A (ja)
BE475314A (ja)
BE474374A (ja)
BE473755A (ja)
BE464883A (ja)
BE464875A (ja)
BE464863A (ja)
BE464790A (ja)
BE464634A (ja)
BE464613A (ja)
BE464529A (ja)
BE464485A (ja)
BE464440A (ja)
BE464439A (ja)