JPS5329047A - Whip antenna automatic expansion/contraction unit - Google Patents

Whip antenna automatic expansion/contraction unit

Info

Publication number
JPS5329047A
JPS5329047A JP10309776A JP10309776A JPS5329047A JP S5329047 A JPS5329047 A JP S5329047A JP 10309776 A JP10309776 A JP 10309776A JP 10309776 A JP10309776 A JP 10309776A JP S5329047 A JPS5329047 A JP S5329047A
Authority
JP
Japan
Prior art keywords
contraction unit
automatic expansion
whip antenna
antenna automatic
antenna
Prior art date
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.)
Pending
Application number
JP10309776A
Other languages
Japanese (ja)
Inventor
Kiichirou Koizumi
Hiroshi Morita
Takehiko Takahashi
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 HAKUYO KIKI KAIHATSU KYOKAI
OKI KAIYO ELECTRON KK
Oki Electric Industry Co Ltd
Original Assignee
NIPPON HAKUYO KIKI KAIHATSU KYOKAI
OKI KAIYO ELECTRON KK
Oki Electric Industry 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
Application filed by NIPPON HAKUYO KIKI KAIHATSU KYOKAI, OKI KAIYO ELECTRON KK, Oki Electric Industry Co Ltd filed Critical NIPPON HAKUYO KIKI KAIHATSU KYOKAI
Priority to JP10309776A priority Critical patent/JPS5329047A/en
Publication of JPS5329047A publication Critical patent/JPS5329047A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/10—Telescopic elements
    • H01Q1/103—Latching means; ensuring extension or retraction thereof

Abstract

PURPOSE:To obtain an antenna automatic expansion/contraction unit which has a low expansion speed of an antenna of no danger, and can expand, contract, and stop halfway, and can be fitted in a buoy, etc., for conveyable type radio beacon on the sea because of a low power consumption, light weight, and a small size.
JP10309776A 1976-08-31 1976-08-31 Whip antenna automatic expansion/contraction unit Pending JPS5329047A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10309776A JPS5329047A (en) 1976-08-31 1976-08-31 Whip antenna automatic expansion/contraction unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10309776A JPS5329047A (en) 1976-08-31 1976-08-31 Whip antenna automatic expansion/contraction unit

Publications (1)

Publication Number Publication Date
JPS5329047A true JPS5329047A (en) 1978-03-17

Family

ID=14345118

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10309776A Pending JPS5329047A (en) 1976-08-31 1976-08-31 Whip antenna automatic expansion/contraction unit

Country Status (1)

Country Link
JP (1) JPS5329047A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4665406A (en) * 1984-05-16 1987-05-12 Nippon Antenna Kabushiki Kaisha Mechanism for extending and contracting antenna
US5212725A (en) * 1990-07-31 1993-05-18 Nissan Motor Co., Ltd. Telephone being signal responsive for extending and retracting an antenna

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4665406A (en) * 1984-05-16 1987-05-12 Nippon Antenna Kabushiki Kaisha Mechanism for extending and contracting antenna
US5212725A (en) * 1990-07-31 1993-05-18 Nissan Motor Co., Ltd. Telephone being signal responsive for extending and retracting an antenna

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