DK198790A - Besked-, opkalds- eller soegesystem med dynamisk programmerbare modtagerfrekvenser - Google Patents
Besked-, opkalds- eller soegesystem med dynamisk programmerbare modtagerfrekvenser Download PDFInfo
- Publication number
- DK198790A DK198790A DK198790A DK198790A DK198790A DK 198790 A DK198790 A DK 198790A DK 198790 A DK198790 A DK 198790A DK 198790 A DK198790 A DK 198790A DK 198790 A DK198790 A DK 198790A
- Authority
- DK
- Denmark
- Prior art keywords
- call
- message
- search system
- programmable receiver
- receiver frequencies
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
-
- 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]
- H04W84/022—One-way selective calling networks, e.g. wide area paging
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
- G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
- H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/158,931 US4881073A (en) | 1988-02-22 | 1988-02-22 | Paging system with dynamically programmable reception frequencies |
PCT/US1988/003614 WO1989007809A1 (en) | 1988-02-22 | 1988-10-18 | Paging system with dynamically programmable reception frequencies |
Publications (2)
Publication Number | Publication Date |
---|---|
DK198790D0 DK198790D0 (da) | 1990-08-20 |
DK198790A true DK198790A (da) | 1990-10-19 |
Family
ID=22570331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK198790A DK198790A (da) | 1988-02-22 | 1990-08-20 | Besked-, opkalds- eller soegesystem med dynamisk programmerbare modtagerfrekvenser |
Country Status (8)
Country | Link |
---|---|
US (1) | US4881073A (da) |
EP (1) | EP0401223A4 (da) |
JP (1) | JPH03502862A (da) |
KR (1) | KR900700981A (da) |
AU (1) | AU2722788A (da) |
DK (1) | DK198790A (da) |
SE (1) | SE9002709D0 (da) |
WO (1) | WO1989007809A1 (da) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5065423A (en) * | 1985-11-27 | 1991-11-12 | At&E Corporation | Paging system with registration mode |
US5416827A (en) * | 1985-11-27 | 1995-05-16 | Seiko Communications Holding Nv | Paging system with registration mode which interrupts the pager's standard operating protocol and is energized with a higher duty cycle |
US4968966A (en) * | 1988-10-13 | 1990-11-06 | Motorola, Inc. | High data rate simulcast communication system |
US5153902A (en) * | 1990-04-27 | 1992-10-06 | Telefonaktiebolaget L M Ericsson | Multi-exchange paging system for locating a mobile telephone in a wide area telephone network |
US5491469A (en) * | 1992-05-29 | 1996-02-13 | Motorola, Inc. | Communication system for temporarily directing radio receivers to a second radio frequency |
USH1641H (en) * | 1993-11-30 | 1997-04-01 | Gte Mobile Communications Service Corporation | Connection of mobile devices to heterogenous networks |
US5539392A (en) * | 1994-10-13 | 1996-07-23 | Mobile Telecommunication Technologies | Method for coordinating radio paging transmissions on local and nationwide channels |
JPH08223226A (ja) * | 1994-11-23 | 1996-08-30 | Internatl Business Mach Corp <Ibm> | 短いデータ長メッセージの圧縮方法及びシステム |
US6052562A (en) * | 1997-08-29 | 2000-04-18 | Motorola, Inc. | Method and apparatus for coordinating an operating channel selection |
US6085102A (en) * | 1997-08-29 | 2000-07-04 | Motorola, Inc. | Method and apparatus for providing coverage in a selective messaging system |
US6023230A (en) * | 1997-08-29 | 2000-02-08 | Motorola, Inc. | Method and apparatus for effecting channel acquisition |
FI107097B (fi) | 1997-09-24 | 2001-05-31 | Nokia Networks Oy | Kohdistettu yleislähetys radioverkossa |
US8060120B2 (en) * | 2007-01-03 | 2011-11-15 | Motorola Solutions, Inc. | System and method for transmitting a sequence of pages in a communication system |
US9414355B1 (en) * | 2013-10-22 | 2016-08-09 | Sprint Spectrum L.P. | Methods and systems for paging based on communication type |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3898390A (en) * | 1973-05-15 | 1975-08-05 | Martin Marietta Corp | Multiple zone communications system and method |
US4155040A (en) * | 1977-07-27 | 1979-05-15 | Rockwell International Corporation | Frequency programmable RF communications |
US4178476A (en) * | 1978-05-26 | 1979-12-11 | Frost Edward G | Automatic nationwide paging system |
JPS56126339A (en) * | 1980-03-10 | 1981-10-03 | Nec Corp | Mobile communication system |
US4644347A (en) * | 1983-08-10 | 1987-02-17 | Motorola, Inc. | Multiple frequency message system |
ATE61705T1 (de) * | 1984-12-05 | 1991-03-15 | Ate Corp | Personenrufsystem und kommunikationsprotokoll. |
US4713808A (en) * | 1985-11-27 | 1987-12-15 | A T & E Corporation | Watch pager system and communication protocol |
WO1987001005A1 (en) * | 1985-08-08 | 1987-02-12 | Network Satellite Paging Partners, Ltd. | Scanning receiver for nationwide radio paging system |
-
1988
- 1988-02-22 US US07/158,931 patent/US4881073A/en not_active Expired - Lifetime
- 1988-10-18 EP EP19880910238 patent/EP0401223A4/en not_active Withdrawn
- 1988-10-18 AU AU27227/88A patent/AU2722788A/en not_active Abandoned
- 1988-10-18 WO PCT/US1988/003614 patent/WO1989007809A1/en not_active Application Discontinuation
- 1988-10-18 KR KR1019890701938A patent/KR900700981A/ko not_active Application Discontinuation
- 1988-10-18 JP JP63509351A patent/JPH03502862A/ja active Pending
-
1990
- 1990-08-20 DK DK198790A patent/DK198790A/da unknown
- 1990-08-21 SE SE9002709A patent/SE9002709D0/xx unknown
Also Published As
Publication number | Publication date |
---|---|
WO1989007809A1 (en) | 1989-08-24 |
DK198790D0 (da) | 1990-08-20 |
EP0401223A4 (en) | 1992-04-22 |
KR900700981A (ko) | 1990-08-17 |
AU2722788A (en) | 1989-09-06 |
SE9002709D0 (sv) | 1990-08-21 |
EP0401223A1 (en) | 1990-12-12 |
JPH03502862A (ja) | 1991-06-27 |
US4881073A (en) | 1989-11-14 |
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