FR2197247B1 - - Google Patents

Info

Publication number
FR2197247B1
FR2197247B1 FR7325655A FR7325655A FR2197247B1 FR 2197247 B1 FR2197247 B1 FR 2197247B1 FR 7325655 A FR7325655 A FR 7325655A FR 7325655 A FR7325655 A FR 7325655A FR 2197247 B1 FR2197247 B1 FR 2197247B1
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
FR7325655A
Other languages
French (fr)
Other versions
FR2197247A1 (ja
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.)
Tokyo Keiki Inc
Original Assignee
Tokyo Keiki Co Ltd
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
Priority claimed from JP47070463A external-priority patent/JPS5237906B2/ja
Priority claimed from JP7046472A external-priority patent/JPS4928099A/ja
Application filed by Tokyo Keiki Co Ltd filed Critical Tokyo Keiki Co Ltd
Publication of FR2197247A1 publication Critical patent/FR2197247A1/fr
Application granted granted Critical
Publication of FR2197247B1 publication Critical patent/FR2197247B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/23—Combinations of reflecting surfaces with refracting or diffracting devices
FR7325655A 1972-07-13 1973-07-12 Expired FR2197247B1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP47070463A JPS5237906B2 (ja) 1972-07-13 1972-07-13
JP7046472A JPS4928099A (ja) 1972-07-13 1972-07-13

Publications (2)

Publication Number Publication Date
FR2197247A1 FR2197247A1 (ja) 1974-03-22
FR2197247B1 true FR2197247B1 (ja) 1978-07-21

Family

ID=26411617

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7325655A Expired FR2197247B1 (ja) 1972-07-13 1973-07-12

Country Status (2)

Country Link
FR (1) FR2197247B1 (ja)
GB (1) GB1442428A (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194391B (en) * 1986-06-23 1991-02-27 Secr Defence A passive radar target
CN112407196B (zh) * 2020-12-04 2022-05-31 广东福顺天际通信有限公司 一种救生圈
CN112498631A (zh) * 2020-12-04 2021-03-16 广东福顺天际通信有限公司 一种反射透镜结构救生圈

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921305A (en) * 1955-10-28 1960-01-12 Lab For Electronics Inc Microwave reflector
US2866971A (en) * 1956-09-05 1958-12-30 Kenneth S Kelleher Radiant energy reflector

Also Published As

Publication number Publication date
GB1442428A (en) 1976-07-14
FR2197247A1 (ja) 1974-03-22

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