SE7907628L - Telefonsystem - Google Patents
TelefonsystemInfo
- Publication number
- SE7907628L SE7907628L SE7907628A SE7907628A SE7907628L SE 7907628 L SE7907628 L SE 7907628L SE 7907628 A SE7907628 A SE 7907628A SE 7907628 A SE7907628 A SE 7907628A SE 7907628 L SE7907628 L SE 7907628L
- Authority
- SE
- Sweden
- Prior art keywords
- station
- call
- central office
- permit
- telephone
- Prior art date
Links
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)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Telephonic Communication Services (AREA)
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 |
---|---|
SE7907628L true SE7907628L (sv) | 1980-07-09 |
Family
ID=21699116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7907628A SE7907628L (sv) | 1979-01-08 | 1979-09-13 | Telefonsystem |
Country Status (8)
Country | Link |
---|---|
US (1) | US4262171A (sv) |
JP (1) | JPS5593391A (sv) |
CA (1) | CA1127329A (sv) |
DE (1) | DE2939947A1 (sv) |
FR (1) | FR2446038A1 (sv) |
GB (1) | GB2039698A (sv) |
IT (1) | IT1130170B (sv) |
SE (1) | SE7907628L (sv) |
Families Citing this family (36)
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 |
EP0181863B1 (en) * | 1984-05-19 | 1991-01-30 | Am Cable Tv Industries, Inc. | Tamper-resistant, expandable communications system |
US4757496A (en) * | 1984-07-09 | 1988-07-12 | Bard Technologies | Distributed telephone system |
US4646296A (en) * | 1984-07-09 | 1987-02-24 | Bard Technologies | Distributed telephone system |
US4740967A (en) * | 1985-01-31 | 1988-04-26 | Georgalis Nicholas C | Dispersed switching telecommunication system |
AU6372886A (en) * | 1985-08-28 | 1987-03-24 | Soto, J.M. | Distributed switching telecommunications system |
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 |
GB8721644D0 (en) * | 1987-09-15 | 1987-10-21 | Unilever Plc | Silicas |
US4996709A (en) * | 1988-05-12 | 1991-02-26 | Tandy Corporation | Intercom telephone |
DE4014132A1 (de) * | 1990-05-02 | 1991-11-14 | Fraunhofer Ges Forschung | Sprachuebertragungssystem |
ATE182045T1 (de) * | 1993-02-16 | 1999-07-15 | 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 |
US5883944A (en) * | 1997-02-28 | 1999-03-16 | Lucent Technologies Inc. | "Plug and play" telephone system |
US5991634A (en) * | 1997-02-28 | 1999-11-23 | 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 |
EP1188317A2 (en) * | 1999-05-25 | 2002-03-20 | 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 (en) | 2001-10-11 | 2003-05-08 | Serconet Ltd. | Outlet with analog signal adapter, a method for use thereof and a network using said outlet |
US7177288B2 (en) * | 2001-11-28 | 2007-02-13 | Intel Corporation | Simultaneous transmission and reception of signals in different frequency bands over a bus line |
JP4158703B2 (ja) * | 2002-03-04 | 2008-10-01 | ソニー株式会社 | 無線通信システム、無線通信装置及び無線通信方法、並びにコンピュータ・プログラム |
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 |
Family Cites Families (14)
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 (sv) * | 1966-12-13 | 1968-06-14 | ||
US3809815A (en) * | 1972-05-04 | 1974-05-07 | Litton Systems Inc | Communication system utilizing frequency division multiplexing to link a plurality of stations each containing a switchable synthesizer |
US4020289A (en) * | 1972-05-15 | 1977-04-26 | Teleplex, Inc. | Random access, multiple station communication system |
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/sv not_active Application Discontinuation
- 1979-09-27 CA CA336,533A patent/CA1127329A/en 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
Also Published As
Publication number | Publication date |
---|---|
GB2039698A (en) | 1980-08-13 |
FR2446038A1 (fr) | 1980-08-01 |
JPS5593391A (en) | 1980-07-15 |
DE2939947A1 (de) | 1980-07-17 |
US4262171A (en) | 1981-04-14 |
IT8019029A0 (it) | 1980-01-04 |
IT1130170B (it) | 1986-06-11 |
CA1127329A (en) | 1982-07-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 7907628-7 |