FR2164902B1 - - Google Patents

Info

Publication number
FR2164902B1
FR2164902B1 FR7245994A FR7245994A FR2164902B1 FR 2164902 B1 FR2164902 B1 FR 2164902B1 FR 7245994 A FR7245994 A FR 7245994A FR 7245994 A FR7245994 A FR 7245994A FR 2164902 B1 FR2164902 B1 FR 2164902B1
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.)
Expired
Application number
FR7245994A
Other languages
French (fr)
Other versions
FR2164902A1 (en
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of FR2164902A1 publication Critical patent/FR2164902A1/fr
Application granted granted Critical
Publication of FR2164902B1 publication Critical patent/FR2164902B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01P1/2138—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using hollow waveguide filters
FR7245994A 1971-12-24 1972-12-22 Expired FR2164902B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46104658A JPS5146365B2 (en) 1971-12-24 1971-12-24

Publications (2)

Publication Number Publication Date
FR2164902A1 FR2164902A1 (en) 1973-08-03
FR2164902B1 true FR2164902B1 (en) 1977-07-22

Family

ID=14386548

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7245994A Expired FR2164902B1 (en) 1971-12-24 1972-12-22

Country Status (5)

Country Link
US (1) US3803519A (en)
JP (1) JPS5146365B2 (en)
DE (1) DE2263151C3 (en)
FR (1) FR2164902B1 (en)
GB (1) GB1379620A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2363912A2 (en) * 1975-09-24 1978-03-31 Cit Alcatel RF waveguide coupler - includes parallel semicircular and rectangular waveguides connected by line of bore holes through dividing wall
KR100223375B1 (en) * 1997-06-11 1999-10-15 윤종용 Apparatus and method for automatically contwlling gain in multic-channel communication system
US7994868B2 (en) * 2005-12-30 2011-08-09 The Invention Science Fund I, Llc Photonic diode

Also Published As

Publication number Publication date
FR2164902A1 (en) 1973-08-03
DE2263151C3 (en) 1975-09-18
DE2263151A1 (en) 1973-07-05
GB1379620A (en) 1975-01-02
US3803519A (en) 1974-04-09
JPS5146365B2 (en) 1976-12-08
DE2263151B2 (en) 1975-01-30
JPS4871164A (en) 1973-09-26

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Legal Events

Date Code Title Description
ST Notification of lapse