IN170668B - - Google Patents
Info
- Publication number
- IN170668B IN170668B IN816/MAS/88A IN816MA1988A IN170668B IN 170668 B IN170668 B IN 170668B IN 816MA1988 A IN816MA1988 A IN 816MA1988A IN 170668 B IN170668 B IN 170668B
- Authority
- IN
- India
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8727960A GB2212984B (en) | 1987-11-30 | 1987-11-30 | Distributed antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN170668B true IN170668B (es) | 1992-05-02 |
Family
ID=10627747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN816/MAS/88A IN170668B (es) | 1987-11-30 | 1988-11-21 |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5039995A (es) |
| EP (1) | EP0322109A3 (es) |
| JP (1) | JPH01309406A (es) |
| KR (1) | KR890009018A (es) |
| CN (1) | CN1016925B (es) |
| AU (1) | AU607553B2 (es) |
| DK (1) | DK667988A (es) |
| FI (1) | FI885548A (es) |
| GB (1) | GB2212984B (es) |
| IN (1) | IN170668B (es) |
| MY (1) | MY103643A (es) |
| NO (1) | NO885311L (es) |
| NZ (1) | NZ227111A (es) |
| PT (1) | PT89099B (es) |
| ZA (1) | ZA888748B (es) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2212984B (en) * | 1987-11-30 | 1991-09-04 | Plessey Telecomm | Distributed antenna system |
| US5243354A (en) * | 1992-08-27 | 1993-09-07 | The United States Of America As Represented By The Secretary Of The Army | Microstrip electronic scan antenna array |
| GB2303490A (en) * | 1995-07-21 | 1997-02-19 | Northern Telecom Ltd | An omnidirectional antenna scheme |
| KR100216349B1 (ko) * | 1996-05-09 | 1999-08-16 | 윤종용 | 코드분할다중접속 통신시스템의 전파중계장치 |
| DE19732503A1 (de) | 1997-07-29 | 1999-02-04 | Alsthom Cge Alcatel | Anordnung zur Übertragung, zur Abstrahlung und zum Empfang von Hochfrequenz-Signalen |
| US6346923B1 (en) * | 1999-01-20 | 2002-02-12 | Watts Antenna Co | Localizer antenna system |
| GB2359221B (en) | 2000-02-12 | 2004-03-10 | Motorola Inc | Distributed cellular telephone antenna system with adaptive cell configuration |
| US6394184B2 (en) * | 2000-02-15 | 2002-05-28 | Exxonmobil Upstream Research Company | Method and apparatus for stimulation of multiple formation intervals |
| US20090065596A1 (en) * | 2007-05-09 | 2009-03-12 | Johnson Controls Technology Company | Systems and methods for increasing building space comfort using wireless devices |
| US20090045939A1 (en) | 2007-07-31 | 2009-02-19 | Johnson Controls Technology Company | Locating devices using wireless communications |
| JP2010233077A (ja) * | 2009-03-27 | 2010-10-14 | Brother Ind Ltd | ループアンテナユニット |
| WO2015106831A1 (en) * | 2014-01-20 | 2015-07-23 | Telefonaktiebolaget L M Ericsson (Publ) | An antenna system and method for providing coverage for mimo communication |
| US10470190B2 (en) | 2014-05-12 | 2019-11-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and network node for adapting capacity to capacity need |
| US10684030B2 (en) | 2015-03-05 | 2020-06-16 | Honeywell International Inc. | Wireless actuator service |
| US9953474B2 (en) | 2016-09-02 | 2018-04-24 | Honeywell International Inc. | Multi-level security mechanism for accessing a panel |
| CN106643841B (zh) * | 2016-12-30 | 2019-06-25 | 中国科学院深圳先进技术研究院 | 一种弱反fbg-fizeau传感装置 |
| US10789800B1 (en) | 2019-05-24 | 2020-09-29 | Ademco Inc. | Systems and methods for authorizing transmission of commands and signals to an access control device or a control panel device |
| US10832509B1 (en) | 2019-05-24 | 2020-11-10 | Ademco Inc. | Systems and methods of a doorbell device initiating a state change of an access control device and/or a control panel responsive to two-factor authentication |
| KR102704582B1 (ko) * | 2021-04-19 | 2024-09-09 | 한국전자통신연구원 | 전파 온열 확산 장치 및 그 동작 방법 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2286839A (en) * | 1939-12-20 | 1942-06-16 | Bell Telephone Labor Inc | Directive antenna system |
| US3422438A (en) * | 1965-11-30 | 1969-01-14 | Arthur E Marston | Conjugate pair feed system for antenna array |
| US3903524A (en) * | 1973-05-25 | 1975-09-02 | Hazeltine Corp | Antenna system using variable phase pattern synthesis |
| US3928806A (en) * | 1974-11-08 | 1975-12-23 | Us Army | Power dividing and combining techniques for microwave amplifiers |
| GB1572401A (en) * | 1976-08-24 | 1980-07-30 | Rca Ltd | Traffic switching eg in communications satellites |
| GB2084430B (en) * | 1980-09-17 | 1984-10-03 | Us Energy | Radio frequency communication system utilizing radiating transmission lines |
| US4559489A (en) * | 1983-09-30 | 1985-12-17 | The Boeing Company | Low-loss radio frequency multiple port variable power controller |
| US4661993A (en) * | 1984-10-12 | 1987-04-28 | At&T Company | Technique for improving radio system performance during fading |
| JPS61220532A (ja) * | 1985-03-26 | 1986-09-30 | Tokyo Electric Power Co Inc:The | 洞道内等通信線路の布設方法 |
| US4688259A (en) * | 1985-12-11 | 1987-08-18 | Ford Aerospace & Communications Corporation | Reconfigurable multiplexer |
| GB2212984B (en) * | 1987-11-30 | 1991-09-04 | Plessey Telecomm | Distributed antenna system |
| US4933680A (en) * | 1988-09-29 | 1990-06-12 | Hughes Aircraft Company | Microstrip antenna system with multiple frequency elements |
-
1987
- 1987-11-30 GB GB8727960A patent/GB2212984B/en not_active Expired - Fee Related
-
1988
- 1988-11-21 IN IN816/MAS/88A patent/IN170668B/en unknown
- 1988-11-21 EP EP88310997A patent/EP0322109A3/en not_active Withdrawn
- 1988-11-22 ZA ZA888748A patent/ZA888748B/xx unknown
- 1988-11-23 AU AU25834/88A patent/AU607553B2/en not_active Ceased
- 1988-11-23 US US07/276,098 patent/US5039995A/en not_active Expired - Fee Related
- 1988-11-24 KR KR1019880015487A patent/KR890009018A/ko not_active Application Discontinuation
- 1988-11-28 MY MYPI88001371A patent/MY103643A/en unknown
- 1988-11-28 NZ NZ227111A patent/NZ227111A/en unknown
- 1988-11-28 PT PT89099A patent/PT89099B/pt not_active IP Right Cessation
- 1988-11-29 CN CN88108174A patent/CN1016925B/zh not_active Expired
- 1988-11-29 NO NO88885311A patent/NO885311L/no unknown
- 1988-11-29 FI FI885548A patent/FI885548A/fi not_active IP Right Cessation
- 1988-11-30 JP JP63303878A patent/JPH01309406A/ja active Pending
- 1988-11-30 DK DK667988A patent/DK667988A/da not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| KR890009018A (ko) | 1989-07-13 |
| NZ227111A (en) | 1990-04-26 |
| NO885311L (no) | 1989-05-31 |
| CN1034647A (zh) | 1989-08-09 |
| ZA888748B (en) | 1989-10-25 |
| MY103643A (en) | 1993-08-28 |
| AU2583488A (en) | 1989-06-01 |
| JPH01309406A (ja) | 1989-12-13 |
| FI885548A0 (fi) | 1988-11-29 |
| NO885311D0 (no) | 1988-11-29 |
| GB2212984B (en) | 1991-09-04 |
| CN1016925B (zh) | 1992-06-03 |
| DK667988D0 (da) | 1988-11-30 |
| DK667988A (da) | 1989-05-31 |
| US5039995A (en) | 1991-08-13 |
| EP0322109A3 (en) | 1989-11-29 |
| PT89099A (pt) | 1989-09-14 |
| EP0322109A2 (en) | 1989-06-28 |
| GB2212984A (en) | 1989-08-02 |
| GB8727960D0 (en) | 1988-01-06 |
| FI885548A (fi) | 1989-05-31 |
| AU607553B2 (en) | 1991-03-07 |
| PT89099B (pt) | 1993-12-31 |