FR1303683A - Multi-frequency signal receiver - Google Patents

Multi-frequency signal receiver

Info

Publication number
FR1303683A
FR1303683A FR871346A FR871346A FR1303683A FR 1303683 A FR1303683 A FR 1303683A FR 871346 A FR871346 A FR 871346A FR 871346 A FR871346 A FR 871346A FR 1303683 A FR1303683 A FR 1303683A
Authority
FR
France
Prior art keywords
frequency signal
signal receiver
receiver
frequency
signal
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
FR871346A
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 to NL267564D priority Critical patent/NL267564A/xx
Priority to NL128451D priority patent/NL128451C/xx
Priority to US50916A priority patent/US3128349A/en
Priority to DEW30418A priority patent/DE1138436B/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to FR871346A priority patent/FR1303683A/en
Application granted granted Critical
Publication of FR1303683A publication Critical patent/FR1303683A/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)
FR871346A 1960-08-22 1961-08-22 Multi-frequency signal receiver Expired FR1303683A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL267564D NL267564A (en) 1960-08-22
NL128451D NL128451C (en) 1961-08-22
US50916A US3128349A (en) 1960-08-22 1960-08-22 Multifrequency signal receiver
DEW30418A DE1138436B (en) 1960-08-22 1961-07-26 Signal receiver for telecommunication systems, especially telephone systems
FR871346A FR1303683A (en) 1961-08-22 1961-08-22 Multi-frequency signal receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR871346A FR1303683A (en) 1961-08-22 1961-08-22 Multi-frequency signal receiver

Publications (1)

Publication Number Publication Date
FR1303683A true FR1303683A (en) 1962-09-14

Family

ID=8761611

Family Applications (1)

Application Number Title Priority Date Filing Date
FR871346A Expired FR1303683A (en) 1960-08-22 1961-08-22 Multi-frequency signal receiver

Country Status (2)

Country Link
FR (1) FR1303683A (en)
NL (1) NL128451C (en)

Also Published As

Publication number Publication date
NL128451C (en)

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