IL50541A0 - Switching arrangement for telephone switchboards - Google Patents

Switching arrangement for telephone switchboards

Info

Publication number: IL50541A0
Authority: IL; Israel
Prior art keywords: switching arrangement; telephone switchboards; switchboards; telephone; switching
Prior art date: 1975-09-24

Application number

IL50541A

Other versions

IL50541A (en

Original Assignee

Siemens Ag

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.)

1975-09-24

Filing date

1976-09-23

Publication date

1976-11-30

1976-09-23 Application filed by Siemens Ag filed Critical Siemens Ag

1976-11-30 Publication of IL50541A0 publication Critical patent/IL50541A0/en

1979-03-12 Publication of IL50541A publication Critical patent/IL50541A/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Interface Circuits In Exchanges (AREA)
Monitoring And Testing Of Exchanges (AREA)

IL50541A 1975-09-24 1976-09-23 Switching arrangement for telephone switchboards IL50541A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19752542615 DE2542615A1 (en)	1975-09-24	1975-09-24	Telephone line calling state detector - uses decoupling rectifier to avoid line damage

Publications (2)

Publication Number	Publication Date
IL50541A0 true IL50541A0 (en)	1976-11-30
IL50541A IL50541A (en)	1979-03-12

Family

ID=5957304

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL50541A IL50541A (en)	1975-09-24	1976-09-23	Switching arrangement for telephone switchboards

Country Status (3)

Country	Link
CH (1)	CH607514A5 (en)
DE (1)	DE2542615A1 (en)
IL (1)	IL50541A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2812860C2 (en) *	1978-03-23	1986-07-10	Siemens AG, 1000 Berlin und 8000 München	Circuit arrangement for telecommunication switching systems, in particular telephone switching systems, each with a plurality of switching devices jointly assigned interrogation devices
DE2939009A1 (en)	1979-09-26	1981-04-09	Siemens AG, 1000 Berlin und 8000 München	CIRCUIT ARRANGEMENT FOR DETERMINING THE SWITCHING STATE OF A SUBSCRIBER CONNECTION LINE IN TELEPHONE SWITCHING SYSTEMS
DE2938946A1 (en) *	1979-09-26	1981-04-09	Siemens AG, 1000 Berlin und 8000 München	CIRCUIT ARRANGEMENT FOR PREVENTING THE DISADVANTIC EFFECT OF AC VOLTAGE SHARES WHEN REGISTERING THE SWITCHING STATE IN A PARTICULAR CIRCUIT CIRCUIT FORMED BY TELEPHONE CONNECTION LINES IN TELEPHONE SWITCHING SYSTEMS

1975
- 1975-09-24 DE DE19752542615 patent/DE2542615A1/en not_active Withdrawn
1976
- 1976-08-30 CH CH1095976A patent/CH607514A5/xx not_active IP Right Cessation
- 1976-09-23 IL IL50541A patent/IL50541A/en unknown

Also Published As

Publication number	Publication date
IL50541A (en)	1979-03-12
CH607514A5 (en)	1978-12-29
DE2542615A1 (en)	1977-04-07

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