IT1135671B - CIRCUITIVE ARRANGEMENT FOR TELEPHONE SYSTEMS DERIVED FROM THE NETWORK - Google Patents

CIRCUITIVE ARRANGEMENT FOR TELEPHONE SYSTEMS DERIVED FROM THE NETWORK

Info

Publication number
IT1135671B
IT1135671B IT20619/81A IT2061981A IT1135671B IT 1135671 B IT1135671 B IT 1135671B IT 20619/81 A IT20619/81 A IT 20619/81A IT 2061981 A IT2061981 A IT 2061981A IT 1135671 B IT1135671 B IT 1135671B
Authority
IT
Italy
Prior art keywords
circuitive
network
arrangement
telephone systems
systems derived
Prior art date
Application number
IT20619/81A
Other languages
Italian (it)
Other versions
IT8120619A0 (en
Inventor
Wilhelm Esser
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.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of IT8120619A0 publication Critical patent/IT8120619A0/en
Application granted granted Critical
Publication of IT1135671B publication Critical patent/IT1135671B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/44—Additional connecting arrangements for providing access to frequently-wanted subscribers, e.g. abbreviated dialling

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephonic Communication Services (AREA)
IT20619/81A 1980-03-25 1981-03-20 CIRCUITIVE ARRANGEMENT FOR TELEPHONE SYSTEMS DERIVED FROM THE NETWORK IT1135671B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3011507A DE3011507C2 (en) 1980-03-25 1980-03-25 Circuit arrangement for telephone private branch exchanges fed by the public power supply network

Publications (2)

Publication Number Publication Date
IT8120619A0 IT8120619A0 (en) 1981-03-20
IT1135671B true IT1135671B (en) 1986-08-27

Family

ID=6098273

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20619/81A IT1135671B (en) 1980-03-25 1981-03-20 CIRCUITIVE ARRANGEMENT FOR TELEPHONE SYSTEMS DERIVED FROM THE NETWORK

Country Status (5)

Country Link
AT (1) AT384918B (en)
CH (1) CH651981A5 (en)
DE (1) DE3011507C2 (en)
IT (1) IT1135671B (en)
NL (1) NL8101456A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3322660A1 (en) * 1983-06-23 1985-01-03 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for coupling two microcomputers
DE69131239T2 (en) * 1990-02-22 2000-02-24 Canon Kk Private branch exchange system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1410508A (en) * 1972-10-12 1975-10-15 Thorn Ericsson Telecomm Telephone systems

Also Published As

Publication number Publication date
ATA135981A (en) 1987-06-15
IT8120619A0 (en) 1981-03-20
NL8101456A (en) 1981-10-16
AT384918B (en) 1988-01-25
DE3011507C2 (en) 1983-12-01
DE3011507A1 (en) 1981-10-01
CH651981A5 (en) 1985-10-15

Similar Documents

Publication Publication Date Title
IT7829242A0 (en) CONFERENCE EQUIPMENT FOR COMMUNICATIONS SYSTEMS.
IT7923842A0 (en) TIME INTERVAL SWITCHING EQUIPMENT FOR COMMUNICATION SWITCHING SYSTEMS.
NO810100L (en) TELECOMMUNICATIONS SYSTEM.
IT8223976A0 (en) PROVISION FOR MULTIPLE SPECIAL TELEPHONE CALLS.
IT7829241A0 (en) CALL TRANSFER EQUIPMENT FOR COMMUNICATION SYSTEMS.
IT1135481B (en) REFINEMENTS FOR HYDRAULIC SYSTEMS
IT7920591A0 (en) CONNECTION BLOCKS FOR TELEPHONE SYSTEMS.
IT1079588B (en) STATIC CALL GENERATOR FOR TELECOMMUNICATIONS SYSTEMS
BE885363A (en) STAFF CALLING INSTALLATION, ESPECIALLY FOR HORECA BUSINESSES
IT7829128A0 (en) CONNECTION BLOCK FOR ALLOCATION SYSTEMS.
IT1135671B (en) CIRCUITIVE ARRANGEMENT FOR TELEPHONE SYSTEMS DERIVED FROM THE NETWORK
IT8223975A0 (en) PROVISION FOR MULTIPLE SPECIAL TELEPHONE CALLS.
IT8221844A0 (en) ELECTRONIC VOICE NETWORK FOR TELEPHONE SUBSCRIBER SUBSTATIONS.
NL188338C (en) REPORTING INSTALLATION.
IT7825006A0 (en) TELEPHONE. SWITCHING SEGMENT FOR SWITCHING SYSTEMS
DK469582A (en) TWO COMPONENT DRAWING ROUND CALCULATED FOR MAINTENANCE
NO811516L (en) TELECOMMUNICATIONS SYSTEM.
IT8020137A0 (en) NETWORK FOR THE DISTRIBUTION OF THE POWER SUPPLY OF TELECOMMUNICATIONS SYSTEMS.
IT8221772A0 (en) SPRAYING EQUIPMENT.
IT8221773A0 (en) SPRAYING EQUIPMENT.
ES499141A0 (en) IMPROVEMENTS IN VALUE OBJECT DEPOSIT SYSTEMS.
IT8223953A0 (en) PROVISION FOR MULTIPLE SPECIAL TELEPHONE CALLS.
IT1156968B (en) ELECTRONIC SELECTOR FOR TELEPHONE SYSTEMS
AT387688B (en) DEER CALL
AR229427A1 (en) CIRCUIT PROVISION FOR TELEPHONE LINK FACILITIES, PARTICULARLY SMALL SUB-CENTRAL TELEPHONE