FR1026594A - Method of transmission of selective pulses at vocal frequencies - Google Patents

Method of transmission of selective pulses at vocal frequencies

Info

Publication number
FR1026594A
FR1026594A FR1026594DA FR1026594A FR 1026594 A FR1026594 A FR 1026594A FR 1026594D A FR1026594D A FR 1026594DA FR 1026594 A FR1026594 A FR 1026594A
Authority
FR
France
Prior art keywords
transmission
selective pulses
vocal frequencies
vocal
frequencies
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Jaenke Haessler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mix und Genest AG
Original Assignee
Mix und Genest AG
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 Mix und Genest AG filed Critical Mix und Genest AG
Application granted granted Critical
Publication of FR1026594A publication Critical patent/FR1026594A/en
Expired legal-status Critical Current

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
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)
FR1026594D 1949-10-26 1950-10-26 Method of transmission of selective pulses at vocal frequencies Expired FR1026594A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1026594X 1949-10-26
DEM1121A DE825857C (en) 1949-10-26 1949-10-27 Method for the transmission of audio frequency dialing pulses

Publications (1)

Publication Number Publication Date
FR1026594A true FR1026594A (en) 1953-04-29

Family

ID=25986497

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1026594D Expired FR1026594A (en) 1949-10-26 1950-10-26 Method of transmission of selective pulses at vocal frequencies

Country Status (2)

Country Link
DE (1) DE825857C (en)
FR (1) FR1026594A (en)

Also Published As

Publication number Publication date
DE825857C (en) 1951-12-20

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