IT973344B - Rete di determinazione della frequenza - Google Patents

Rete di determinazione della frequenza

Info

Publication number
IT973344B
IT973344B IT34047/72A IT3404772A IT973344B IT 973344 B IT973344 B IT 973344B IT 34047/72 A IT34047/72 A IT 34047/72A IT 3404772 A IT3404772 A IT 3404772A IT 973344 B IT973344 B IT 973344B
Authority
IT
Italy
Prior art keywords
frequency determination
determination network
network
frequency
determination
Prior art date
Application number
IT34047/72A
Other languages
English (en)
Italian (it)
Original Assignee
Microsystems Int Ltd
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 Microsystems Int Ltd filed Critical Microsystems Int Ltd
Application granted granted Critical
Publication of IT973344B publication Critical patent/IT973344B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Filters And Equalizers (AREA)
IT34047/72A 1972-01-28 1972-12-29 Rete di determinazione della frequenza IT973344B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA133431A CA938345A (en) 1972-01-28 1972-01-28 Frequency determining network

Publications (1)

Publication Number Publication Date
IT973344B true IT973344B (it) 1974-06-10

Family

ID=4092175

Family Applications (1)

Application Number Title Priority Date Filing Date
IT34047/72A IT973344B (it) 1972-01-28 1972-12-29 Rete di determinazione della frequenza

Country Status (9)

Country Link
JP (1) JPS4885009A (fr)
AU (1) AU5112173A (fr)
BE (1) BE791353A (fr)
CA (1) CA938345A (fr)
DE (1) DE2301227A1 (fr)
FR (1) FR2169075A1 (fr)
IL (1) IL40787A (fr)
IT (1) IT973344B (fr)
NL (1) NL7217681A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3011651A1 (de) * 1980-03-26 1981-10-01 Robert Bosch Gmbh, 7000 Stuttgart Durchstimmbarer oszillator

Also Published As

Publication number Publication date
DE2301227A1 (de) 1973-08-23
JPS4885009A (fr) 1973-11-12
NL7217681A (fr) 1973-07-31
IL40787A0 (en) 1973-01-30
AU5112173A (en) 1974-07-18
IL40787A (en) 1975-05-22
CA938345A (en) 1973-12-11
BE791353A (fr) 1973-03-01
FR2169075A1 (fr) 1973-09-07

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