NL7114163A - Ontvanginrichting met een tongen-resonantie-kiezer - Google Patents

Ontvanginrichting met een tongen-resonantie-kiezer

Info

Publication number
NL7114163A
NL7114163A NL7114163A NL7114163A NL7114163A NL 7114163 A NL7114163 A NL 7114163A NL 7114163 A NL7114163 A NL 7114163A NL 7114163 A NL7114163 A NL 7114163A NL 7114163 A NL7114163 A NL 7114163A
Authority
NL
Netherlands
Prior art keywords
selector
tongue
resonance
receiver
tongue resonance
Prior art date
Application number
NL7114163A
Other languages
English (en)
Dutch (nl)
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 NL7114163A publication Critical patent/NL7114163A/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)
NL7114163A 1970-10-15 1971-10-14 Ontvanginrichting met een tongen-resonantie-kiezer NL7114163A (nl)

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
NL7114163A true NL7114163A (nl) 1972-04-18

Family

ID=3857151

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7114163A NL7114163A (nl) 1970-10-15 1971-10-14 Ontvanginrichting met een tongen-resonantie-kiezer

Country Status (6)

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

Also Published As

Publication number Publication date
GB1358285A (en) 1974-07-03
BE757532A (fr) 1971-04-15
FR2111361A5 (fr) 1972-06-02
DE2151461C3 (enrdf_load_stackoverflow) 1979-03-08
DE2151461A1 (de) 1972-07-06
LU64064A1 (fr) 1972-04-21
DE2151461B2 (de) 1978-07-06

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
BI The patent application has been withdrawn