CH455888A - Multi-tone code signal receiver - Google Patents

Multi-tone code signal receiver

Info

Publication number
CH455888A
CH455888A CH1520566A CH1520566A CH455888A CH 455888 A CH455888 A CH 455888A CH 1520566 A CH1520566 A CH 1520566A CH 1520566 A CH1520566 A CH 1520566A CH 455888 A CH455888 A CH 455888A
Authority
CH
Switzerland
Prior art keywords
signal receiver
code signal
tone code
tone
receiver
Prior art date
Application number
CH1520566A
Other languages
German (de)
Inventor
Hong Liem Sian
Theake De Jong Hylke
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH455888A publication Critical patent/CH455888A/en

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)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CH1520566A 1965-10-23 1966-10-20 Multi-tone code signal receiver CH455888A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6513752A NL6513752A (en) 1965-10-23 1965-10-23

Publications (1)

Publication Number Publication Date
CH455888A true CH455888A (en) 1968-05-15

Family

ID=19794442

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1520566A CH455888A (en) 1965-10-23 1966-10-20 Multi-tone code signal receiver

Country Status (8)

Country Link
AT (1) AT263091B (en)
BE (1) BE688746A (en)
CH (1) CH455888A (en)
DE (1) DE1487844C3 (en)
DK (1) DK118349B (en)
GB (1) GB1136341A (en)
NL (1) NL6513752A (en)
SE (1) SE345946B (en)

Also Published As

Publication number Publication date
DE1487844C3 (en) 1975-08-07
NL6513752A (en) 1967-04-24
BE688746A (en) 1967-04-21
AT263091B (en) 1968-07-10
DE1487844B2 (en) 1975-01-02
DE1487844A1 (en) 1969-01-23
GB1136341A (en) 1968-12-11
SE345946B (en) 1972-06-12
DK118349B (en) 1970-08-10

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