ES386895A1 - Circuito selector preferencial para centrales telefonicas. - Google Patents

Circuito selector preferencial para centrales telefonicas.

Info

Publication number: ES386895A1
Authority: ES; Spain
Prior art keywords: transistors; selection circuit; diodes; transistor; activating
Prior art date: 1969-12-31
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

ES386895A

Other languages

English (en)

Spanish (es)

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.)

Nokia Spain SA

Original Assignee

Alcatel Espana SA

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.)

1969-12-31

Filing date

1970-12-30

Publication date

1973-09-01

1970-12-30 Application filed by Alcatel Espana SA filed Critical Alcatel Espana SA

1973-09-01 Publication of ES386895A1 publication Critical patent/ES386895A1/es

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Electronic Switches (AREA)
Interface Circuits In Exchanges (AREA)
Relay Circuits (AREA)

ES386895A 1969-12-31 1970-12-30 Circuito selector preferencial para centrales telefonicas. Expired ES386895A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL6919630A NL6919630A (de)	1969-12-31	1969-12-31

Publications (1)

Publication Number	Publication Date
ES386895A1 true ES386895A1 (es)	1973-09-01

Family

ID=19808741

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES386895A Expired ES386895A1 (es)	1969-12-31	1970-12-30	Circuito selector preferencial para centrales telefonicas.

Country Status (8)

Country	Link
US (1)	US3667001A (de)
AU (1)	AU2286470A (de)
BE (1)	BE760950R (de)
CH (1)	CH534991A (de)
ES (1)	ES386895A1 (de)
FR (1)	FR2074395A5 (de)
GB (1)	GB1279910A (de)
NL (1)	NL6919630A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3876885A (en) *	1974-04-18	1975-04-08	John Mason Catterall	Preference lockout circuit for common control switching system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2869110A (en) *	1954-08-09	1959-01-13	Ingersoll Milling Machine Co	Remote control apparatus
US2867754A (en) *	1957-08-14	1959-01-06	Cook Electric Co	Time-delay relay
US3469151A (en) *	1966-10-31	1969-09-23	Bendix Corp	Multiple channel cut-off means

1969
- 1969-12-31 NL NL6919630A patent/NL6919630A/xx unknown
1970
- 1970-12-01 AU AU22864/70A patent/AU2286470A/en not_active Expired
- 1970-12-10 US US3667001D patent/US3667001A/en not_active Expired - Lifetime
- 1970-12-17 GB GB5992670A patent/GB1279910A/en not_active Expired
- 1970-12-21 CH CH1885870A patent/CH534991A/de not_active IP Right Cessation
- 1970-12-29 FR FR7047001A patent/FR2074395A5/fr not_active Expired
- 1970-12-29 BE BE760950A patent/BE760950R/nl active
- 1970-12-30 ES ES386895A patent/ES386895A1/es not_active Expired

Also Published As

Publication number	Publication date
AU2286470A (en)	1972-06-08
US3667001A (en)	1972-05-30
BE760950R (nl)	1971-06-29
GB1279910A (en)	1972-06-28
NL6919630A (de)	1971-07-02
FR2074395A5 (de)	1971-10-01
CH534991A (de)	1973-03-15

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