FR2169075A1 - - Google Patents

Info

Publication number
FR2169075A1
FR2169075A1 FR7301603A FR7301603A FR2169075A1 FR 2169075 A1 FR2169075 A1 FR 2169075A1 FR 7301603 A FR7301603 A FR 7301603A FR 7301603 A FR7301603 A FR 7301603A FR 2169075 A1 FR2169075 A1 FR 2169075A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7301603A
Other languages
French (fr)
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 FR2169075A1 publication Critical patent/FR2169075A1/fr
Withdrawn legal-status Critical Current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)
FR7301603A 1972-01-28 1973-01-17 Withdrawn FR2169075A1 (de)

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
FR2169075A1 true FR2169075A1 (de) 1973-09-07

Family

ID=4092175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7301603A Withdrawn FR2169075A1 (de) 1972-01-28 1973-01-17

Country Status (9)

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

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
BE791353A (fr) 1973-03-01
JPS4885009A (de) 1973-11-12
IL40787A (en) 1975-05-22
NL7217681A (de) 1973-07-31
CA938345A (en) 1973-12-11
AU5112173A (en) 1974-07-18
IL40787A0 (en) 1973-01-30
DE2301227A1 (de) 1973-08-23
IT973344B (it) 1974-06-10

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Legal Events

Date Code Title Description
ST Notification of lapse