ES8507700A1 - Un sistema deflector opto-acustico - Google Patents
Un sistema deflector opto-acusticoInfo
- Publication number
- ES8507700A1 ES8507700A1 ES531840A ES531840A ES8507700A1 ES 8507700 A1 ES8507700 A1 ES 8507700A1 ES 531840 A ES531840 A ES 531840A ES 531840 A ES531840 A ES 531840A ES 8507700 A1 ES8507700 A1 ES 8507700A1
- Authority
- ES
- Spain
- Prior art keywords
- stations
- nodal
- cordless
- sub
- exchange
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/16—WPBX [Wireless Private Branch Exchange]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
- H04M1/733—Cordless telephones with a plurality of base stations connected to a plurality of lines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08311091A GB2138652B (en) | 1983-04-23 | 1983-04-23 | Distributed pabx |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8507700A1 true ES8507700A1 (es) | 1985-08-16 |
ES531840A0 ES531840A0 (es) | 1985-08-16 |
Family
ID=10541585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES531840A Granted ES531840A0 (es) | 1983-04-23 | 1984-04-23 | Un sistema deflector opto-acustico |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH664464A5 (de) |
ES (1) | ES531840A0 (de) |
GB (1) | GB2138652B (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4675863A (en) | 1985-03-20 | 1987-06-23 | International Mobile Machines Corp. | Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
KR870004587A (ko) * | 1985-10-16 | 1987-05-11 | 엘리 와이스 | 무선 근거리 통신 장치 |
CA1250900A (en) * | 1986-11-18 | 1989-03-07 | Northern Telecom Limited | Private cellular system |
GB2218597A (en) * | 1988-05-12 | 1989-11-15 | Plessey Co Plc | Multichannel radio communication system |
AT390702B (de) * | 1988-05-20 | 1990-06-25 | Siemens Ag Oesterreich | Vorrichtung zum schnurlosen telefonieren |
US5682256A (en) | 1988-11-11 | 1997-10-28 | British Telecommunications Public Limited Company | Communications system |
GB8826476D0 (en) * | 1988-11-11 | 1988-12-14 | British Telecomm | Communications system |
DE3843565A1 (de) * | 1988-12-23 | 1990-06-28 | Standard Elektrik Lorenz Ag | Funktelefonsystem in form einer nebenstellenanlage |
NZ232224A (en) * | 1989-01-27 | 1993-03-26 | British Telecomm | Alternate burst communication for cordless phones: bursts contain synchronisation information |
CA2008900C (en) * | 1989-04-04 | 1998-01-20 | Ta-Shing Chu | Optical fiber microcellular mobile radio |
GB8913931D0 (en) * | 1989-06-16 | 1989-08-02 | Ferranti Creditphone | Cordless pbx |
DE4022929A1 (de) * | 1990-07-19 | 1992-01-23 | Hagenuk Telecom Gmbh | Vorrichtung zur ausbildung von nebenstellanlagen |
CA2052466C (en) * | 1990-10-02 | 2001-05-08 | Masayuki Sakamoto | Method of handover and route diversity in mobile radio communication |
US5068916A (en) * | 1990-10-29 | 1991-11-26 | International Business Machines Corporation | Coordination of wireless medium among a plurality of base stations |
US5802173A (en) * | 1991-01-15 | 1998-09-01 | Rogers Cable Systems Limited | Radiotelephony system |
FI96565C (fi) * | 1992-06-30 | 1996-07-10 | Nokia Telecommunications Oy | Piensoluradioverkko |
DE69301536T2 (de) * | 1993-02-26 | 1996-07-04 | Orbitel Mobile Communications | Synchronisationsvorrichtung für eine Vielzahl von Funksendern |
JPH0775165A (ja) * | 1993-06-29 | 1995-03-17 | Sony Corp | デジタルコードレス電話装置 |
GB9316951D0 (en) * | 1993-08-14 | 1993-09-29 | Macnamee Robert J G | Radio communication systems |
US5546383A (en) | 1993-09-30 | 1996-08-13 | Cooley; David M. | Modularly clustered radiotelephone system |
US6330441B1 (en) * | 1997-03-03 | 2001-12-11 | Victor Company Of Japan, Ltd. | Communication system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH527547A (de) * | 1971-08-13 | 1972-08-31 | Ibm | Verfahren zur Informationsübertragung mit Prioritätsschema in einem Zeitmultiplex-Nachrichtenübertragungssystem mit Ringleitung |
FR2328349A1 (fr) * | 1973-03-01 | 1977-05-13 | Ibm France | Systeme de commutation en multiplex a division dans le temps |
FR2290103A1 (fr) * | 1974-10-31 | 1976-05-28 | Thomson Csf | Artere telephonique a points d'acces multiples et reseau comportant de telles arteres |
DE2659664C2 (de) * | 1976-12-30 | 1979-04-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Nachrichtenübertragungsanordnung zur Verbindung mehrerer Teilnehmer mit einer zentralen Vermittlungsstelle |
DE3036739A1 (de) * | 1980-09-29 | 1982-06-03 | Siemens AG, 1000 Berlin und 8000 München | Fernsprech-mobilfunksystem zur digitalen sprachuebertragung |
DE3036707A1 (de) * | 1980-09-29 | 1982-05-19 | Siemens AG, 1000 Berlin und 8000 München | Universelles mobilfunk-digitalnetz zur paketvermittelten informationsuebertragung |
US4383315A (en) * | 1981-07-20 | 1983-05-10 | Bell Telephone Laboratories, Incorporated | Idle time slot seizure and transmission facilities for loop communication system |
FR2520570A1 (fr) * | 1982-01-25 | 1983-07-29 | Labo Cent Telecommunicat | Reseau de communication local en boucle vehiculant a la fois des donnees et des signaux telephoniques de parole sous forme numerique |
-
1983
- 1983-04-23 GB GB08311091A patent/GB2138652B/en not_active Expired
-
1984
- 1984-04-23 ES ES531840A patent/ES531840A0/es active Granted
- 1984-04-24 CH CH2008/84A patent/CH664464A5/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2138652B (en) | 1986-04-23 |
CH664464A5 (de) | 1988-02-29 |
GB8311091D0 (en) | 1983-05-25 |
ES531840A0 (es) | 1985-08-16 |
GB2138652A (en) | 1984-10-24 |
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