IT1118587B - Procedimento e dispositivo per la generazione di una pluralita di segnali elettrici - Google Patents

Procedimento e dispositivo per la generazione di una pluralita di segnali elettrici

Info

Publication number
IT1118587B
IT1118587B IT67844/79A IT6784479A IT1118587B IT 1118587 B IT1118587 B IT 1118587B IT 67844/79 A IT67844/79 A IT 67844/79A IT 6784479 A IT6784479 A IT 6784479A IT 1118587 B IT1118587 B IT 1118587B
Authority
IT
Italy
Prior art keywords
procedure
generation
electric signals
signals
electric
Prior art date
Application number
IT67844/79A
Other languages
English (en)
Other versions
IT7967844A0 (it
Original Assignee
Gen Electric Co 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 Gen Electric Co Ltd filed Critical Gen Electric Co Ltd
Publication of IT7967844A0 publication Critical patent/IT7967844A0/it
Application granted granted Critical
Publication of IT1118587B publication Critical patent/IT1118587B/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
    • H04M1/505—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 signals generated in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
IT67844/79A 1978-04-21 1979-04-20 Procedimento e dispositivo per la generazione di una pluralita di segnali elettrici IT1118587B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1584878 1978-04-21

Publications (2)

Publication Number Publication Date
IT7967844A0 IT7967844A0 (it) 1979-04-20
IT1118587B true IT1118587B (it) 1986-03-03

Family

ID=10066626

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67844/79A IT1118587B (it) 1978-04-21 1979-04-20 Procedimento e dispositivo per la generazione di una pluralita di segnali elettrici

Country Status (7)

Country Link
US (1) US4306190A (it)
JP (1) JPS54142034A (it)
CA (1) CA1120593A (it)
DE (1) DE2915944A1 (it)
FR (1) FR2423923A1 (it)
GB (1) GB2020071B (it)
IT (1) IT1118587B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4327420A (en) * 1980-06-30 1982-04-27 General Electric Company Polyphase reference generator
WO1982003477A1 (en) * 1981-04-06 1982-10-14 Inc Motorola Frequency synthesized transceiver
US4423383A (en) * 1982-03-05 1983-12-27 Ampex Corporation Programmable multiple frequency ratio synchronous clock signal generator circuit and method
US4494073A (en) * 1982-09-27 1985-01-15 Cubic Corporation Frequency generator using composite digitally controlled oscillators
JPS5992776A (ja) * 1982-11-17 1984-05-29 Mitsubishi Electric Corp パルス幅変調インバ−タ装置の変調波発生回路
US4644195A (en) * 1984-07-20 1987-02-17 Sperry Corporation Quad multi-channel synthesizer
JPS6279379A (ja) * 1985-10-02 1987-04-11 Ando Electric Co Ltd タイミング信号発生装置
JPS62118272A (ja) * 1985-11-19 1987-05-29 Ando Electric Co Ltd パタ−ン発生装置
JPS62184373A (ja) * 1986-02-07 1987-08-12 Ando Electric Co Ltd 試験信号発生回路
JPS62261084A (ja) * 1986-05-06 1987-11-13 Ando Electric Co Ltd タイミング信号発生装置
DE3628219A1 (de) * 1986-08-20 1988-02-25 Gabler Egmont Dipl Ing Fh Einrichtung zur erzeugung von wellen
US5053639A (en) * 1989-06-16 1991-10-01 Ncr Corporation Symmetrical clock generator and method
US5039872A (en) * 1989-09-28 1991-08-13 The United States Of America As Represented By The Secretary Of Commerce Digitally synthesized audio frequency voltage source
DE4121970A1 (de) * 1991-06-29 1993-01-07 Funkwerk Koepenick Gmbh I A Schaltungsanordnung fuer einen digitalen synthesizer
DE4225388C2 (de) * 1992-07-31 1996-08-14 Siemens Ag Schaltungsanordnung zur Synchronisierung von dezentralen Zählern
KR100810817B1 (ko) * 2000-10-06 2008-03-06 엔엑스피 비 브이 집적 회로
USD876693S1 (en) 2017-08-03 2020-02-25 E. Mishan & Sons, Inc. Flashlight baton with crenulate sliding bezel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE757298A (fr) * 1969-12-10 1971-03-16 Sits Soc It Telecom Siemens Generateur numerique pouvant produire une serie de frequences discrete
US3701027A (en) * 1971-04-15 1972-10-24 Bunker Ramo Digital frequency synthesizer
US3913021A (en) * 1974-04-29 1975-10-14 Ibm High resolution digitally programmable electronic delay for multi-channel operation

Also Published As

Publication number Publication date
JPS54142034A (en) 1979-11-05
DE2915944A1 (de) 1979-11-08
FR2423923A1 (fr) 1979-11-16
GB2020071B (en) 1982-12-08
CA1120593A (en) 1982-03-23
GB2020071A (en) 1979-11-07
IT7967844A0 (it) 1979-04-20
US4306190A (en) 1981-12-15

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