FR2446038A1 - Systeme telephonique - Google Patents
Systeme telephoniqueInfo
- Publication number
- FR2446038A1 FR2446038A1 FR7919089A FR7919089A FR2446038A1 FR 2446038 A1 FR2446038 A1 FR 2446038A1 FR 7919089 A FR7919089 A FR 7919089A FR 7919089 A FR7919089 A FR 7919089A FR 2446038 A1 FR2446038 A1 FR 2446038A1
- Authority
- FR
- France
- Prior art keywords
- station
- stations
- telephone system
- switching
- transmission
- Prior art date
- 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.)
- Withdrawn
Links
- 230000005540 biological transmission Effects 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
- H04M9/022—Multiplex systems
- H04M9/027—Frequency division multiplex systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Abstract
a. Système téléphonique. b. Système téléphonique caractérisé en ce qu'il comprend un certain nombre de postes, une ligne reliant chaque poste du système, chaque poste comprenant des moyens d'emission, des moyens de réception et des moyens de commutation, les moyens de commutation de chaque poste comprenant un calculateur intégré destiné à commander les moyens d'émission et de réception de chaque poste pour créer des communications multiplexées entre des paires choisies de postes du système sans faire appel à des moyens de commutation ou de commande auxiliaires, autres que les calculateurs intégrés des différents postes, se branchant sur la ligne de liaison entre postes. c. L'invention s'applique notamment aux communications dans les mines.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/002,067 US4262171A (en) | 1979-01-08 | 1979-01-08 | Telephone system in which communication between stations is controlled by computers at each individual station |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2446038A1 true FR2446038A1 (fr) | 1980-08-01 |
Family
ID=21699116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7919089A Withdrawn FR2446038A1 (fr) | 1979-01-08 | 1979-07-24 | Systeme telephonique |
Country Status (8)
Country | Link |
---|---|
US (1) | US4262171A (fr) |
JP (1) | JPS5593391A (fr) |
CA (1) | CA1127329A (fr) |
DE (1) | DE2939947A1 (fr) |
FR (1) | FR2446038A1 (fr) |
GB (1) | GB2039698A (fr) |
IT (1) | IT1130170B (fr) |
SE (1) | SE7907628L (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5035879A (en) * | 1987-09-15 | 1991-07-30 | Unilever Patent Holdings Bv | Silicas |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4366565A (en) * | 1980-07-29 | 1982-12-28 | Herskowitz Gerald J | Local area network optical fiber data communication |
US4390981A (en) * | 1980-12-29 | 1983-06-28 | Syscom, Inc. | Microprocessor controlled message handling system |
GB2110056B (en) * | 1981-10-28 | 1985-06-05 | Marconi Avionics | A communication system interconnecting radios and operators located at different positions |
US4521881A (en) * | 1981-11-02 | 1985-06-04 | Wang Laboratories, Inc. | Data communication system with increased effective bandwidth |
ZA827851B (en) * | 1981-11-04 | 1984-06-27 | Racal Acoustics Ltd | Communication set and method |
GB2132449A (en) * | 1982-12-09 | 1984-07-04 | Standard Telephones Cables Ltd | Decentralised PABX |
US4574284A (en) * | 1983-01-26 | 1986-03-04 | Trw Inc. | Communication bus interface unit |
US4577060A (en) * | 1983-05-18 | 1986-03-18 | Bbl Industries, Inc. | Paging network |
US4642425A (en) * | 1984-05-07 | 1987-02-10 | Bbl Industries, Inc. | Telephone paging system and method |
WO1985005523A1 (fr) * | 1984-05-19 | 1985-12-05 | Am Cable Tv Industries, Inc. | Systeme de communications expansible a l'epreuve des fraudes |
US4646296A (en) * | 1984-07-09 | 1987-02-24 | Bard Technologies | Distributed telephone system |
US4757496A (en) * | 1984-07-09 | 1988-07-12 | Bard Technologies | Distributed telephone system |
US4740967A (en) * | 1985-01-31 | 1988-04-26 | Georgalis Nicholas C | Dispersed switching telecommunication system |
WO1987001541A1 (fr) * | 1985-08-28 | 1987-03-12 | Jose Manuel Soto | Systeme de telecommunications a commutation repartie |
GB8700458D0 (en) * | 1987-01-09 | 1987-02-11 | Unvala Ltd | Communications systems |
US4807225A (en) * | 1987-02-02 | 1989-02-21 | American Telephone And Telegraph Company, At&T Technologies, Inc. | Telephone line carrier system |
US4996709A (en) * | 1988-05-12 | 1991-02-26 | Tandy Corporation | Intercom telephone |
DE4014132A1 (de) * | 1990-05-02 | 1991-11-14 | Fraunhofer Ges Forschung | Sprachuebertragungssystem |
DE59408448D1 (de) * | 1993-02-16 | 1999-08-12 | Siemens Schweiz Ag | Schaltungsanordnung zur Aktivierung von Geräten über eine Übertragungsleitung |
US5623537A (en) * | 1994-12-29 | 1997-04-22 | Lucent Technologies Inc. | Telephone message center |
US5898756A (en) * | 1995-10-13 | 1999-04-27 | Zoom Telephonics, Inc. | Parallel-connected dialing signal transmission-inhibiting device for data transfer over a telephone link |
US5991634A (en) * | 1997-02-28 | 1999-11-23 | Lucent Technologies Inc. | "Plug and play" telephone system |
US5883944A (en) * | 1997-02-28 | 1999-03-16 | Lucent Technologies Inc. | "Plug and play" telephone system |
US6480510B1 (en) | 1998-07-28 | 2002-11-12 | Serconet Ltd. | Local area network of serial intelligent cells |
AU5589400A (en) * | 1999-05-25 | 2000-12-12 | Transtek, Inc. | Facility-wide communication system and method |
US6549616B1 (en) | 2000-03-20 | 2003-04-15 | Serconet Ltd. | Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets |
IL135744A (en) | 2000-04-18 | 2008-08-07 | Mosaid Technologies Inc | Telephone communication system through a single line |
IL144158A (en) | 2001-07-05 | 2011-06-30 | Mosaid Technologies Inc | Socket for connecting an analog telephone to a digital communications network that carries digital voice signals |
WO2003039150A1 (fr) | 2001-10-11 | 2003-05-08 | Serconet Ltd. | Sortie a adaptateur de signaux analogiques, procede d'utilisation, et reseau faisant appel a ladite sortie |
US7177288B2 (en) * | 2001-11-28 | 2007-02-13 | Intel Corporation | Simultaneous transmission and reception of signals in different frequency bands over a bus line |
KR100940897B1 (ko) | 2002-03-04 | 2010-02-09 | 소니 주식회사 | 무선통신시스템, 무선통신장치와 무선통신방법 및 컴퓨터 프로그램 |
IL154921A (en) | 2003-03-13 | 2011-02-28 | Mosaid Technologies Inc | A telephone system that includes many separate sources and accessories for it |
IL159838A0 (en) | 2004-01-13 | 2004-06-20 | Yehuda Binder | Information device |
US7873058B2 (en) | 2004-11-08 | 2011-01-18 | Mosaid Technologies Incorporated | Outlet with analog signal adapter, a method for use thereof and a network using said outlet |
JP4327747B2 (ja) * | 2005-02-21 | 2009-09-09 | 双葉電子工業株式会社 | 非蒸発ゲッターを備えた電子デバイス及びその電子デバイスの製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2182975A1 (fr) * | 1972-05-04 | 1973-12-14 | Litton Industries Inc | |
US4020289A (en) * | 1972-05-15 | 1977-04-26 | Teleplex, Inc. | Random access, multiple station communication system |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1219536B (de) * | 1963-05-29 | 1966-06-23 | Standard Elektrik Lorenz Ag | Reihenanlage mit tonfrequenter Tastwahl |
US3428899A (en) * | 1964-12-28 | 1969-02-18 | Nippon Electric Co | Selective communication system wherein fach information pulse is address coded for transmission on a selected idle carrier frequency |
GB1178693A (en) * | 1966-04-26 | 1970-01-21 | Gen Electric & English Electri | Improvements in or relating to Carrier Telephony Equipment |
GB1178694A (en) * | 1966-06-13 | 1970-01-21 | Gen Electric & English Electri | Improvements in or relating to a Carrier-Telephony System |
NL6617461A (fr) * | 1966-12-13 | 1968-06-14 | ||
CA998484A (en) * | 1973-06-26 | 1976-10-12 | Michael C.J. Cowpland | Audio frequency signalling systems for telephone systems |
US3891804A (en) * | 1973-09-12 | 1975-06-24 | Bell Telephone Labor Inc | Asynchronous data transmission arrangement |
US3864521A (en) * | 1973-10-25 | 1975-02-04 | Rockwell International Corp | Frequency division multiplex telephone system |
FR2275944A1 (fr) * | 1974-06-21 | 1976-01-16 | Suchard Jean | Systeme de transmission de messages entre plusieurs stations |
US4049914A (en) * | 1976-08-30 | 1977-09-20 | Rockwell International Corporation | Frequency division multiplex voice communication apparatus with hierarchy of stations |
US4107471A (en) * | 1977-03-22 | 1978-08-15 | International Telephone & Telegraph Corp. | Frequency division multiplex communications system |
US4155040A (en) * | 1977-07-27 | 1979-05-15 | Rockwell International Corporation | Frequency programmable RF communications |
-
1979
- 1979-01-08 US US06/002,067 patent/US4262171A/en not_active Expired - Lifetime
- 1979-07-24 FR FR7919089A patent/FR2446038A1/fr not_active Withdrawn
- 1979-07-27 JP JP9510279A patent/JPS5593391A/ja active Pending
- 1979-09-13 SE SE7907628A patent/SE7907628L/ not_active Application Discontinuation
- 1979-09-27 CA CA336,533A patent/CA1127329A/fr not_active Expired
- 1979-10-02 DE DE19792939947 patent/DE2939947A1/de not_active Ceased
- 1979-10-09 GB GB7935069A patent/GB2039698A/en not_active Withdrawn
-
1980
- 1980-01-04 IT IT19029/80A patent/IT1130170B/it active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2182975A1 (fr) * | 1972-05-04 | 1973-12-14 | Litton Industries Inc | |
US4020289A (en) * | 1972-05-15 | 1977-04-26 | Teleplex, Inc. | Random access, multiple station communication system |
Non-Patent Citations (1)
Title |
---|
EXBK/74 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5035879A (en) * | 1987-09-15 | 1991-07-30 | Unilever Patent Holdings Bv | Silicas |
Also Published As
Publication number | Publication date |
---|---|
IT8019029A0 (it) | 1980-01-04 |
GB2039698A (en) | 1980-08-13 |
SE7907628L (sv) | 1980-07-09 |
CA1127329A (fr) | 1982-07-06 |
DE2939947A1 (de) | 1980-07-17 |
IT1130170B (it) | 1986-06-11 |
JPS5593391A (en) | 1980-07-15 |
US4262171A (en) | 1981-04-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |