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
Authority: IT; Italy
Prior art keywords: procedure; generation; electric signals; signals; electric
Prior art date: 1978-04-21

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.)

1978-04-21

Filing date

1979-04-20

Publication date

1986-03-03

1979-04-20 Application filed by Gen Electric Co Ltd filed Critical Gen Electric Co Ltd

1979-04-20 Publication of IT7967844A0 publication Critical patent/IT7967844A0/it

1986-03-03 Application granted granted Critical

1986-03-03 Publication of IT1118587B publication Critical patent/IT1118587B/it

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

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Time-Division Multiplex Systems (AREA)

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
EP1330828A2 (en) *	2000-10-06	2003-07-30	Koninklijke Philips Electronics N.V.	Upscaled clock feeds memory to make parallel waves
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

1979
- 1979-04-12 GB GB7913112A patent/GB2020071B/en not_active Expired
- 1979-04-17 US US06/030,725 patent/US4306190A/en not_active Expired - Lifetime
- 1979-04-20 IT IT67844/79A patent/IT1118587B/it active
- 1979-04-20 CA CA000325983A patent/CA1120593A/en not_active Expired
- 1979-04-20 JP JP4887379A patent/JPS54142034A/ja active Pending
- 1979-04-20 DE DE19792915944 patent/DE2915944A1/de not_active Withdrawn
- 1979-04-20 FR FR7910044A patent/FR2423923A1/fr not_active Withdrawn

Also Published As

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

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