IT1058345B - Disposizione circuitale per impianti di commutazione per telecomunicazioni specialmente per impianti di commutazione telefonica con circuiti di prova e impegno - Google Patents
Disposizione circuitale per impianti di commutazione per telecomunicazioni specialmente per impianti di commutazione telefonica con circuiti di prova e impegnoInfo
- Publication number
- IT1058345B IT1058345B IT21116/76A IT2111676A IT1058345B IT 1058345 B IT1058345 B IT 1058345B IT 21116/76 A IT21116/76 A IT 21116/76A IT 2111676 A IT2111676 A IT 2111676A IT 1058345 B IT1058345 B IT 1058345B
- Authority
- IT
- Italy
- Prior art keywords
- switching
- test
- switching component
- component
- switching systems
- Prior art date
Links
- 230000000903 blocking effect Effects 0.000 abstract 3
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/02—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning intake
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D49/00—Tractors
- B62D49/02—Tractors modified to take lifting devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Tests Of Electronic Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752512633 DE2512633C3 (de) | 1975-03-21 | Schaltungsanordnung für Fernmeldevermittlungsanlagen, insbesondere Fernsprechvermittlungsanlagen, mit Prüf- und Belegungsstromkreisen |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1058345B true IT1058345B (it) | 1982-04-10 |
Family
ID=5942121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21116/76A IT1058345B (it) | 1975-03-21 | 1976-03-12 | Disposizione circuitale per impianti di commutazione per telecomunicazioni specialmente per impianti di commutazione telefonica con circuiti di prova e impegno |
Country Status (7)
Country | Link |
---|---|
US (1) | US4041245A (it) |
AT (1) | AT345901B (it) |
CH (1) | CH607511A5 (it) |
FR (1) | FR2305081A1 (it) |
IT (1) | IT1058345B (it) |
NL (1) | NL167828C (it) |
SE (1) | SE427517B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4146752A (en) * | 1975-03-21 | 1979-03-27 | Siemens Aktiengesellschaft | Seizing current delay circuit for the test switching means of a telecommunication switching system |
FR2645474B1 (fr) * | 1989-04-11 | 1991-06-07 | David Jean Pierre | Dispositif permettant de transformer une motocyclette en aeronef ultra-leger motorise |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1173538B (de) * | 1963-03-01 | 1964-07-09 | Siemens Ag | Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen mit Belegungsstromkreisen |
DE2013117B2 (de) * | 1970-03-19 | 1976-11-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zur nachbildung der signalkennzeichen in fernmelde-, insbesondere fernsprechanlagen mit uebertragungsstrecken |
US3824348A (en) * | 1973-05-04 | 1974-07-16 | Stromberg Carlson Corp | Status indication circuit for shared telephone equipment |
-
1976
- 1976-01-12 AT AT13676A patent/AT345901B/de not_active IP Right Cessation
- 1976-01-27 CH CH95876A patent/CH607511A5/xx not_active IP Right Cessation
- 1976-01-28 NL NL7600877A patent/NL167828C/xx not_active IP Right Cessation
- 1976-02-27 SE SE7602896A patent/SE427517B/xx unknown
- 1976-03-12 IT IT21116/76A patent/IT1058345B/it active
- 1976-03-19 FR FR7608027A patent/FR2305081A1/fr active Granted
- 1976-03-22 US US05/668,954 patent/US4041245A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AT345901B (de) | 1978-10-10 |
SE427517B (sv) | 1983-04-11 |
NL7600877A (nl) | 1976-09-23 |
CH607511A5 (it) | 1978-12-29 |
FR2305081A1 (fr) | 1976-10-15 |
ATA13676A (de) | 1978-02-15 |
US4041245A (en) | 1977-08-09 |
NL167828B (nl) | 1981-08-17 |
SE7602896L (sv) | 1976-09-22 |
DE2512633A1 (de) | 1976-09-23 |
NL167828C (nl) | 1982-01-18 |
FR2305081B1 (it) | 1981-06-12 |
DE2512633B2 (de) | 1976-12-30 |
AU1204776A (en) | 1977-09-22 |
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