JPS56115003A - Controller for motor-driven expansible and contracting antenna driving - Google Patents

Controller for motor-driven expansible and contracting antenna driving

Info

Publication number
JPS56115003A
JPS56115003A JP1751080A JP1751080A JPS56115003A JP S56115003 A JPS56115003 A JP S56115003A JP 1751080 A JP1751080 A JP 1751080A JP 1751080 A JP1751080 A JP 1751080A JP S56115003 A JPS56115003 A JP S56115003A
Authority
JP
Japan
Prior art keywords
motor
contact
ant
limit
switch
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.)
Granted
Application number
JP1751080A
Other languages
Japanese (ja)
Other versions
JPS6057242B2 (en
Inventor
Jiro Harada
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.)
Harada Industry Co Ltd
Original Assignee
Harada 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 Harada Industry Co Ltd filed Critical Harada Industry Co Ltd
Priority to JP1751080A priority Critical patent/JPS6057242B2/en
Publication of JPS56115003A publication Critical patent/JPS56115003A/en
Publication of JPS6057242B2 publication Critical patent/JPS6057242B2/en
Expired 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

Landscapes

  • Details Of Aerials (AREA)

Abstract

PURPOSE:To realize a connection between a polarity change-over switch and a motor with two lines regardless of the type of a DC motor, by forming a limit switch part by combining the circuits containing a diode and a limit switch connected in series. CONSTITUTION:In the state of initialization under which the antenna ANT is through with its contraction, the limit switch part Z is shown by the diagram. When the change-over switches S1 and S2 are switched to the (a) side, the DC flows to a closed loop of the power source E motor M diode D1 limit switch LS1 switch S2 power source E. Accordingly, the motor M has a forward rotation to expand the antenna ANT. When the ANt reaches its limit of expansion, the switch LS1 opens the contact with the LS2 closing the contact. And no current flows to the motor M since the diode D2 has an adverse polarity. Then the switches S2 and S2 close at the (b) side, and thus the motor M has an adverse rotation to contract the ANT. When the ANT reaches its limit of contraction, the LS1 closes the contact with the LS2 opening the contact. Thus the motor M stops its rotation.
JP1751080A 1980-02-15 1980-02-15 Electric telescopic antenna drive control device Expired JPS6057242B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1751080A JPS6057242B2 (en) 1980-02-15 1980-02-15 Electric telescopic antenna drive control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1751080A JPS6057242B2 (en) 1980-02-15 1980-02-15 Electric telescopic antenna drive control device

Publications (2)

Publication Number Publication Date
JPS56115003A true JPS56115003A (en) 1981-09-10
JPS6057242B2 JPS6057242B2 (en) 1985-12-13

Family

ID=11945965

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1751080A Expired JPS6057242B2 (en) 1980-02-15 1980-02-15 Electric telescopic antenna drive control device

Country Status (1)

Country Link
JP (1) JPS6057242B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6219091U (en) * 1985-07-16 1987-02-04
EP0390218A2 (en) * 1989-03-31 1990-10-03 Hoya Corporation Anti-reflection optical element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6219091U (en) * 1985-07-16 1987-02-04
EP0390218A2 (en) * 1989-03-31 1990-10-03 Hoya Corporation Anti-reflection optical element

Also Published As

Publication number Publication date
JPS6057242B2 (en) 1985-12-13

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