LU64064A1 - Dispositif recepteur comprenant des selecteurs a lames vibrantes, - Google Patents

Dispositif recepteur comprenant des selecteurs a lames vibrantes,

Info

Publication number
LU64064A1
LU64064A1 LU64064DA LU64064A1 LU 64064 A1 LU64064 A1 LU 64064A1 LU 64064D A LU64064D A LU 64064DA LU 64064 A1 LU64064 A1 LU 64064A1
Authority
LU
Luxembourg
Prior art keywords
selectors
receiver device
vibrating blade
vibrating
blade
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
Roger D'hayer
Original Assignee
Acec
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 Acec filed Critical Acec
Publication of LU64064A1 publication Critical patent/LU64064A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
    • 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)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
LU64064D 1970-10-15 1971-10-13 Dispositif recepteur comprenant des selecteurs a lames vibrantes, LU64064A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE757532A BE757532A (fr) 1970-10-15 1970-10-15 Dispositif recepteur comprenant des selecteurs a lames vibrantes,

Publications (1)

Publication Number Publication Date
LU64064A1 true LU64064A1 (fr) 1972-04-21

Family

ID=3857151

Family Applications (1)

Application Number Title Priority Date Filing Date
LU64064D LU64064A1 (fr) 1970-10-15 1971-10-13 Dispositif recepteur comprenant des selecteurs a lames vibrantes,

Country Status (6)

Country Link
BE (1) BE757532A (enExample)
DE (1) DE2151461B2 (enExample)
FR (1) FR2111361A5 (enExample)
GB (1) GB1358285A (enExample)
LU (1) LU64064A1 (enExample)
NL (1) NL7114163A (enExample)

Also Published As

Publication number Publication date
DE2151461A1 (de) 1972-07-06
NL7114163A (nl) 1972-04-18
DE2151461B2 (de) 1978-07-06
GB1358285A (en) 1974-07-03
BE757532A (fr) 1971-04-15
FR2111361A5 (fr) 1972-06-02
DE2151461C3 (enExample) 1979-03-08

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