DK120711B - Electrical circuit for detecting a tone signal. - Google Patents

Electrical circuit for detecting a tone signal.

Info

Publication number
DK120711B
DK120711B DK131969A DK131969A DK120711B DK 120711 B DK120711 B DK 120711B DK 131969 A DK131969 A DK 131969A DK 131969 A DK131969 A DK 131969A DK 120711 B DK120711 B DK 120711B
Authority
DK
Denmark
Prior art keywords
detecting
electrical circuit
tone signal
tone
signal
Prior art date
Application number
DK131969A
Other languages
Danish (da)
Inventor
L Christensen
Original Assignee
Storno As
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 Storno As filed Critical Storno As
Priority to DK131969A priority Critical patent/DK120711B/en
Priority to GB1009570A priority patent/GB1246782A/en
Priority to DE19702010018 priority patent/DE2010018B2/en
Priority to NL7003216A priority patent/NL7003216A/xx
Priority to SE308170A priority patent/SE348088B/xx
Publication of DK120711B publication Critical patent/DK120711B/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/022Selective call receivers
    • H04W88/025Selective call decoders
    • H04W88/027Selective call decoders using frequency address codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Meter Arrangements (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
DK131969A 1969-03-11 1969-03-11 Electrical circuit for detecting a tone signal. DK120711B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DK131969A DK120711B (en) 1969-03-11 1969-03-11 Electrical circuit for detecting a tone signal.
GB1009570A GB1246782A (en) 1969-03-11 1970-03-03 An electric circuit for detecting an audio frequency signal
DE19702010018 DE2010018B2 (en) 1969-03-11 1970-03-04 CIRCUIT ARRANGEMENT FOR DISPLAYING THE COMPLETE PRESENCE OF SEVERAL FREQUENCIES CONTAINED IN AN ELECTRICAL SIGNAL
NL7003216A NL7003216A (en) 1969-03-11 1970-03-06
SE308170A SE348088B (en) 1969-03-11 1970-03-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK131969A DK120711B (en) 1969-03-11 1969-03-11 Electrical circuit for detecting a tone signal.

Publications (1)

Publication Number Publication Date
DK120711B true DK120711B (en) 1971-07-05

Family

ID=8103520

Family Applications (1)

Application Number Title Priority Date Filing Date
DK131969A DK120711B (en) 1969-03-11 1969-03-11 Electrical circuit for detecting a tone signal.

Country Status (5)

Country Link
DE (1) DE2010018B2 (en)
DK (1) DK120711B (en)
GB (1) GB1246782A (en)
NL (1) NL7003216A (en)
SE (1) SE348088B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2076238B (en) * 1980-05-16 1983-11-30 Plessey Co Ltd Radio receiver

Also Published As

Publication number Publication date
DE2010018B2 (en) 1972-04-13
NL7003216A (en) 1970-09-15
GB1246782A (en) 1971-09-22
SE348088B (en) 1972-08-21
DE2010018A1 (en) 1970-10-01

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