JPH038988B2 - - Google Patents

Info

Publication number
JPH038988B2
JPH038988B2 JP23325682A JP23325682A JPH038988B2 JP H038988 B2 JPH038988 B2 JP H038988B2 JP 23325682 A JP23325682 A JP 23325682A JP 23325682 A JP23325682 A JP 23325682A JP H038988 B2 JPH038988 B2 JP H038988B2
Authority
JP
Japan
Prior art keywords
signal
multiplication rate
frequency
multiplication
control signal
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.)
Expired - Lifetime
Application number
JP23325682A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59122301A (ja
Inventor
Takehiko Hoshino
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 Signal Co Ltd
Original Assignee
Nippon Signal 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 Signal Co Ltd filed Critical Nippon Signal Co Ltd
Priority to JP23325682A priority Critical patent/JPS59122301A/ja
Publication of JPS59122301A publication Critical patent/JPS59122301A/ja
Publication of JPH038988B2 publication Critical patent/JPH038988B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/188—Use of coded current

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
JP23325682A 1982-12-25 1982-12-25 周波数判別装置 Granted JPS59122301A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23325682A JPS59122301A (ja) 1982-12-25 1982-12-25 周波数判別装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23325682A JPS59122301A (ja) 1982-12-25 1982-12-25 周波数判別装置

Publications (2)

Publication Number Publication Date
JPS59122301A JPS59122301A (ja) 1984-07-14
JPH038988B2 true JPH038988B2 (enrdf_load_stackoverflow) 1991-02-07

Family

ID=16952219

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23325682A Granted JPS59122301A (ja) 1982-12-25 1982-12-25 周波数判別装置

Country Status (1)

Country Link
JP (1) JPS59122301A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107733429A (zh) * 2017-09-20 2018-02-23 戴承萍 一种超低功耗的带通鉴频器及其鉴频方法及其使用方法

Also Published As

Publication number Publication date
JPS59122301A (ja) 1984-07-14

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