AU5112173A - Frequency determining network - Google Patents

Frequency determining network

Info

Publication number
AU5112173A
AU5112173A AU51121/73A AU5112173A AU5112173A AU 5112173 A AU5112173 A AU 5112173A AU 51121/73 A AU51121/73 A AU 51121/73A AU 5112173 A AU5112173 A AU 5112173A AU 5112173 A AU5112173 A AU 5112173A
Authority
AU
Australia
Prior art keywords
frequency determining
determining network
network
frequency
determining
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
AU51121/73A
Other languages
English (en)
Inventor
Charles N. Gold And Michael C. J. Coupland Terence H. Matthews
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microsystems International Ltd
Original Assignee
Microsystems International 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 International Ltd filed Critical Microsystems International Ltd
Publication of AU5112173A publication Critical patent/AU5112173A/en
Expired legal-status Critical Current

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)
AU51121/73A 1972-01-28 1973-01-15 Frequency determining network Expired AU5112173A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA133431A CA938345A (en) 1972-01-28 1972-01-28 Frequency determining network
CACA133,431 1972-01-28

Publications (1)

Publication Number Publication Date
AU5112173A true AU5112173A (en) 1974-07-18

Family

ID=4092175

Family Applications (1)

Application Number Title Priority Date Filing Date
AU51121/73A Expired AU5112173A (en) 1972-01-28 1973-01-15 Frequency determining network

Country Status (9)

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

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
IT973344B (it) 1974-06-10
DE2301227A1 (de) 1973-08-23
IL40787A (en) 1975-05-22
IL40787A0 (en) 1973-01-30
JPS4885009A (enExample) 1973-11-12
CA938345A (en) 1973-12-11
NL7217681A (enExample) 1973-07-31
FR2169075A1 (enExample) 1973-09-07
BE791353A (fr) 1973-03-01

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