IT1037484B - Circuito per la conversione di segnali telefonici di chiamata - Google Patents
Circuito per la conversione di segnali telefonici di chiamataInfo
- Publication number
- IT1037484B IT1037484B IT22565/75A IT2256575A IT1037484B IT 1037484 B IT1037484 B IT 1037484B IT 22565/75 A IT22565/75 A IT 22565/75A IT 2256575 A IT2256575 A IT 2256575A IT 1037484 B IT1037484 B IT 1037484B
- Authority
- IT
- Italy
- Prior art keywords
- conversion
- circuit
- telephone call
- call signals
- signals
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US475682A US3892925A (en) | 1974-06-03 | 1974-06-03 | Electric signal exchange switching arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1037484B true IT1037484B (it) | 1979-11-10 |
Family
ID=23888652
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT22565/75A IT1037484B (it) | 1974-06-03 | 1975-04-21 | Circuito per la conversione di segnali telefonici di chiamata |
| IT23510/75A IT1038272B (it) | 1974-06-03 | 1975-05-20 | Struttura circuitale di commutazione di segnali elettrici |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT23510/75A IT1038272B (it) | 1974-06-03 | 1975-05-20 | Struttura circuitale di commutazione di segnali elettrici |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3892925A (it) |
| JP (1) | JPS5635072B2 (it) |
| BE (1) | BE828615A (it) |
| BR (1) | BR7503473A (it) |
| CA (1) | CA1035451A (it) |
| CH (1) | CH582449A5 (it) |
| DE (2) | DE2559770B2 (it) |
| FR (1) | FR2273434B1 (it) |
| GB (1) | GB1489285A (it) |
| IT (2) | IT1037484B (it) |
| NL (1) | NL7506531A (it) |
| SE (1) | SE411825B (it) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4006457A (en) * | 1975-02-18 | 1977-02-01 | Motorola, Inc. | Logic circuitry for selection of dedicated registers |
| US3975712A (en) * | 1975-02-18 | 1976-08-17 | Motorola, Inc. | Asynchronous communication interface adaptor |
| NL7507122A (nl) * | 1975-06-16 | 1976-12-20 | Philips Nv | Schakelstelsel voor een automatische telecommunicatiecentrale. |
| US4057691A (en) * | 1975-06-24 | 1977-11-08 | Nippon Electric Company, Ltd. | Switching network with crosstalk elimination capability |
| US4038667A (en) * | 1976-04-28 | 1977-07-26 | Gould Inc. | Ink jet ink supply system |
| US4087645A (en) * | 1976-12-09 | 1978-05-02 | Alfred Magnus Hestad | Telephone switching system |
| DE2713305C2 (de) * | 1977-03-25 | 1983-09-22 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Übertragung binärkodierter Informationen |
| JPS53139632A (en) * | 1977-05-12 | 1978-12-06 | Nippon Steel Corp | Globular hard artificial sand |
| JPS5448651U (it) * | 1977-09-10 | 1979-04-04 | ||
| JPS55139040U (it) * | 1979-03-26 | 1980-10-03 | ||
| JPS55132265A (en) * | 1979-04-02 | 1980-10-14 | Canon Inc | Supplying method for recording liquid |
| DE2917989A1 (de) * | 1979-05-04 | 1980-11-13 | Bosch Gmbh Robert | Elektronische koppelfeldeinrichtung |
| JPS5684975A (en) * | 1979-12-12 | 1981-07-10 | Canon Inc | Ink jet recording head |
| US4393381A (en) * | 1981-01-02 | 1983-07-12 | T-Bar Incorporated | Transfer bus matrix |
| US4539564A (en) * | 1982-08-04 | 1985-09-03 | Smithson G Ronald | Electronically controlled interconnection system |
| JPS60210458A (ja) * | 1984-07-17 | 1985-10-22 | Matsushita Graphic Commun Syst Inc | インクジェット記録装置 |
| EP0221962A1 (en) * | 1985-05-24 | 1987-05-20 | Xitel Pty Limited | Virtual bus switching system |
| US5295869A (en) * | 1992-12-18 | 1994-03-22 | The Siemon Company | Electrically balanced connector assembly |
| GB2300085A (en) * | 1995-04-18 | 1996-10-23 | Northern Telecom Ltd | A high speed switch |
| US20030191883A1 (en) * | 2002-04-05 | 2003-10-09 | Sycamore Networks, Inc. | Interface for upgrading serial backplane application from ethernet to gigabit ethernet |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3708786A (en) * | 1971-10-20 | 1973-01-02 | Martin Marietta Corp | Stored program format generator |
| US3794768A (en) * | 1972-05-25 | 1974-02-26 | Bell Telephone Labor Inc | Cross-office connecting scheme for interconnecting multiplexers and central office terminals |
| US3814860A (en) * | 1972-10-16 | 1974-06-04 | Honeywell Inf Systems | Scanning technique for multiplexer apparatus |
-
1974
- 1974-06-03 US US475682A patent/US3892925A/en not_active Expired - Lifetime
-
1975
- 1975-03-27 CA CA223,596A patent/CA1035451A/en not_active Expired
- 1975-04-17 GB GB15773/75A patent/GB1489285A/en not_active Expired
- 1975-04-21 IT IT22565/75A patent/IT1037484B/it active
- 1975-04-24 FR FR7513753A patent/FR2273434B1/fr not_active Expired
- 1975-04-30 BE BE155977A patent/BE828615A/xx not_active IP Right Cessation
- 1975-05-16 JP JP5751575A patent/JPS5635072B2/ja not_active Expired
- 1975-05-20 IT IT23510/75A patent/IT1038272B/it active
- 1975-05-22 CH CH656875A patent/CH582449A5/xx not_active IP Right Cessation
- 1975-05-22 SE SE7505826A patent/SE411825B/xx unknown
- 1975-05-27 DE DE2559770A patent/DE2559770B2/de active Granted
- 1975-05-27 DE DE2523398A patent/DE2523398C3/de not_active Expired
- 1975-06-02 NL NL7506531A patent/NL7506531A/xx not_active Application Discontinuation
- 1975-06-03 BR BR4448/75D patent/BR7503473A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2523398B2 (de) | 1979-04-19 |
| JPS51815A (it) | 1976-01-07 |
| FR2273434A1 (it) | 1975-12-26 |
| GB1489285A (en) | 1977-10-19 |
| BR7503473A (pt) | 1976-05-25 |
| DE2559770C3 (it) | 1979-01-25 |
| SE411825B (sv) | 1980-02-04 |
| BE828615A (fr) | 1975-08-18 |
| DE2523398A1 (de) | 1975-12-04 |
| SE7505826L (sv) | 1975-12-04 |
| DE2559770B2 (de) | 1978-05-24 |
| CH582449A5 (it) | 1976-11-30 |
| DE2559770A1 (de) | 1977-11-03 |
| US3892925A (en) | 1975-07-01 |
| IT1038272B (it) | 1979-11-20 |
| DE2523398C3 (de) | 1980-01-03 |
| NL7506531A (nl) | 1975-12-05 |
| AU8045175A (en) | 1976-10-28 |
| CA1035451A (en) | 1978-07-25 |
| FR2273434B1 (it) | 1978-06-09 |
| JPS5635072B2 (it) | 1981-08-14 |
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