JPS55110969A - Automatic antenna tracking apparatus - Google Patents

Automatic antenna tracking apparatus

Info

Publication number
JPS55110969A
JPS55110969A JP1786579A JP1786579A JPS55110969A JP S55110969 A JPS55110969 A JP S55110969A JP 1786579 A JP1786579 A JP 1786579A JP 1786579 A JP1786579 A JP 1786579A JP S55110969 A JPS55110969 A JP S55110969A
Authority
JP
Japan
Prior art keywords
output
circuit
time constant
rectified
sample held
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
JP1786579A
Other languages
English (en)
Other versions
JPS6228427B2 (ja
Inventor
Chuji Tokunaga
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP1786579A priority Critical patent/JPS55110969A/ja
Publication of JPS55110969A publication Critical patent/JPS55110969A/ja
Publication of JPS6228427B2 publication Critical patent/JPS6228427B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
    • G01S3/42—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal the desired condition being maintained automatically

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Relay Systems (AREA)
JP1786579A 1979-02-20 1979-02-20 Automatic antenna tracking apparatus Granted JPS55110969A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1786579A JPS55110969A (en) 1979-02-20 1979-02-20 Automatic antenna tracking apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1786579A JPS55110969A (en) 1979-02-20 1979-02-20 Automatic antenna tracking apparatus

Publications (2)

Publication Number Publication Date
JPS55110969A true JPS55110969A (en) 1980-08-27
JPS6228427B2 JPS6228427B2 (ja) 1987-06-19

Family

ID=11955546

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1786579A Granted JPS55110969A (en) 1979-02-20 1979-02-20 Automatic antenna tracking apparatus

Country Status (1)

Country Link
JP (1) JPS55110969A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60185180A (ja) * 1984-03-03 1985-09-20 Fujitsu Ltd 追尾制御方式
JPS60222780A (ja) * 1984-04-19 1985-11-07 Nec Corp ステップトラック装置
JPS61215975A (ja) * 1985-03-20 1986-09-25 Nec Corp ステツプトラツク装置の追尾制御方式
JPS62134582A (ja) * 1985-12-06 1987-06-17 Nec Corp 自動追尾装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0677140A (ja) * 1992-05-14 1994-03-18 Mitsubishi Electric Corp 気相結晶成長装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60185180A (ja) * 1984-03-03 1985-09-20 Fujitsu Ltd 追尾制御方式
JPS60222780A (ja) * 1984-04-19 1985-11-07 Nec Corp ステップトラック装置
JPH0347468B2 (ja) * 1984-04-19 1991-07-19 Nippon Electric Co
JPS61215975A (ja) * 1985-03-20 1986-09-25 Nec Corp ステツプトラツク装置の追尾制御方式
JPH0422475B2 (ja) * 1985-03-20 1992-04-17 Nippon Electric Co
JPS62134582A (ja) * 1985-12-06 1987-06-17 Nec Corp 自動追尾装置
JPH0422474B2 (ja) * 1985-12-06 1992-04-17 Nippon Electric Co

Also Published As

Publication number Publication date
JPS6228427B2 (ja) 1987-06-19

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