FR2218660A1 - - Google Patents

Info

Publication number
FR2218660A1
FR2218660A1 FR7405559A FR7405559A FR2218660A1 FR 2218660 A1 FR2218660 A1 FR 2218660A1 FR 7405559 A FR7405559 A FR 7405559A FR 7405559 A FR7405559 A FR 7405559A FR 2218660 A1 FR2218660 A1 FR 2218660A1
Authority
FR
France
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.)
Granted
Application number
FR7405559A
Other languages
French (fr)
Other versions
FR2218660B1 (enrdf_load_stackoverflow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Post Office
Original Assignee
Post Office
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Post Office filed Critical Post Office
Publication of FR2218660A1 publication Critical patent/FR2218660A1/fr
Application granted granted Critical
Publication of FR2218660B1 publication Critical patent/FR2218660B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/52—Systems for transmission between fixed stations via waveguides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00—Waveguides; Transmission lines of the waveguide type
    • H01P3/16—Dielectric waveguides, i.e. without a longitudinal conductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
FR7405559A 1973-02-19 1974-02-19 Expired FR2218660B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB793773A GB1467233A (en) 1973-02-19 1973-02-19 Dielectric waveguide filter assemblies

Publications (2)

Publication Number Publication Date
FR2218660A1 true FR2218660A1 (enrdf_load_stackoverflow) 1974-09-13
FR2218660B1 FR2218660B1 (enrdf_load_stackoverflow) 1978-02-17

Family

ID=9842654

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7405559A Expired FR2218660B1 (enrdf_load_stackoverflow) 1973-02-19 1974-02-19

Country Status (6)

Country Link
US (1) US3896402A (enrdf_load_stackoverflow)
JP (1) JPS5041452A (enrdf_load_stackoverflow)
CA (1) CA1029446A (enrdf_load_stackoverflow)
DE (1) DE2407668A1 (enrdf_load_stackoverflow)
FR (1) FR2218660B1 (enrdf_load_stackoverflow)
GB (1) GB1467233A (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4097826A (en) * 1975-06-30 1978-06-27 Epsilon Lambda Electronics Corp. Insular waveguide ring resonator filter
US4091343A (en) * 1975-06-30 1978-05-23 Epsilon Lambda Electronics Corp. Insular waveguide directional coupler
US4004257A (en) * 1975-07-09 1977-01-18 Vitek Electronics, Inc. Transmission line filter
JPS5212843A (en) * 1975-07-21 1977-01-31 Hitachi Ltd Optial fiber-branching device
JPS5217837A (en) * 1975-07-31 1977-02-10 Sumitomo Electric Ind Ltd Path for transmitting leakage light
JPS5274359A (en) * 1975-12-18 1977-06-22 Sumitomo Electric Ind Ltd Device for branching optical fiber
JPS52105434U (enrdf_load_stackoverflow) * 1976-02-06 1977-08-11
US4146297A (en) * 1978-01-16 1979-03-27 Bell Telephone Laboratories, Incorporated Tunable optical waveguide directional coupler filter
US4461535A (en) * 1981-10-21 1984-07-24 Bell Telephone Laboratories, Incorporated Wavelength filters
JPS59208509A (ja) * 1983-05-13 1984-11-26 Nippon Telegr & Teleph Corp <Ntt> 単一モ−ド用光合波器
US4560964A (en) * 1985-02-28 1985-12-24 Eaton Corporation Compact step tuned filter
US4730888A (en) * 1986-02-20 1988-03-15 American Telephone And Telegraph Company, At&T Bell Laboratories Optimized guided wave communication system
US4844573A (en) * 1987-05-22 1989-07-04 Aster Corporation Electro-optical converter including ridgid support for optical fiber coupler, telephone set using the coupler and method of making same
JP3405198B2 (ja) * 1998-06-10 2003-05-12 株式会社村田製作所 非放射性誘電体線路共振器、非放射性誘電体線路フィルタおよびそれを用いたデュプレクサ、通信機装置
CN107910627B (zh) * 2017-10-27 2019-12-31 重庆邮电大学 H面裂缝波导太赫兹定向耦合器

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2794959A (en) * 1952-03-01 1957-06-04 Bell Telephone Labor Inc Directional coupler for all-dielectric waveguide
FR2070656A1 (enrdf_load_stackoverflow) * 1969-04-25 1971-09-17 Western Electric Co

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2129712A (en) * 1933-12-09 1938-09-13 American Telephone & Telegraph Transmission of energy effects by guided electric waves in a dielectric medium
US3157726A (en) * 1960-03-01 1964-11-17 American Optical Corp Optical energy transmitting devices and method of making same
FR2152464B1 (enrdf_load_stackoverflow) * 1971-09-16 1974-05-31 Thomson Csf

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2794959A (en) * 1952-03-01 1957-06-04 Bell Telephone Labor Inc Directional coupler for all-dielectric waveguide
FR2070656A1 (enrdf_load_stackoverflow) * 1969-04-25 1971-09-17 Western Electric Co

Also Published As

Publication number Publication date
GB1467233A (en) 1977-03-16
DE2407668A1 (de) 1974-08-29
JPS5041452A (enrdf_load_stackoverflow) 1975-04-15
CA1029446A (en) 1978-04-11
FR2218660B1 (enrdf_load_stackoverflow) 1978-02-17
US3896402A (en) 1975-07-22

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Legal Events

Date Code Title Description
ST Notification of lapse