FR1443228A - Multi-frequency signal receiving circuit - Google Patents

Multi-frequency signal receiving circuit

Info

Publication number
FR1443228A
FR1443228A FR15242A FR15242A FR1443228A FR 1443228 A FR1443228 A FR 1443228A FR 15242 A FR15242 A FR 15242A FR 15242 A FR15242 A FR 15242A FR 1443228 A FR1443228 A FR 1443228A
Authority
FR
France
Prior art keywords
frequency signal
signal receiving
receiving circuit
circuit
frequency
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
FR15242A
Other languages
French (fr)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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
Priority claimed from US366463A external-priority patent/US3319011A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to FR15242A priority Critical patent/FR1443228A/en
Application granted granted Critical
Publication of FR1443228A publication Critical patent/FR1443228A/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
    • H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR15242A 1964-05-11 1965-04-29 Multi-frequency signal receiving circuit Expired FR1443228A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR15242A FR1443228A (en) 1964-05-11 1965-04-29 Multi-frequency signal receiving circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US366463A US3319011A (en) 1964-05-11 1964-05-11 Multifrequency signal receiver circuit
FR15242A FR1443228A (en) 1964-05-11 1965-04-29 Multi-frequency signal receiving circuit

Publications (1)

Publication Number Publication Date
FR1443228A true FR1443228A (en) 1966-06-24

Family

ID=26163505

Family Applications (1)

Application Number Title Priority Date Filing Date
FR15242A Expired FR1443228A (en) 1964-05-11 1965-04-29 Multi-frequency signal receiving circuit

Country Status (1)

Country Link
FR (1) FR1443228A (en)

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