JPS6142464B2 - - Google Patents

Info

Publication number
JPS6142464B2
JPS6142464B2 JP12788179A JP12788179A JPS6142464B2 JP S6142464 B2 JPS6142464 B2 JP S6142464B2 JP 12788179 A JP12788179 A JP 12788179A JP 12788179 A JP12788179 A JP 12788179A JP S6142464 B2 JPS6142464 B2 JP S6142464B2
Authority
JP
Japan
Prior art keywords
signal
circuit
receiving
transmitting
receives
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
Application number
JP12788179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5652947A (en
Inventor
Akira Kojima
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12788179A priority Critical patent/JPS5652947A/ja
Publication of JPS5652947A publication Critical patent/JPS5652947A/ja
Publication of JPS6142464B2 publication Critical patent/JPS6142464B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/14—Arrangements for detecting or preventing errors in the information received by using return channel in which the signals are sent back to the transmitter to be checked ; echo systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
JP12788179A 1979-10-05 1979-10-05 Signal transmitter and receiver Granted JPS5652947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12788179A JPS5652947A (en) 1979-10-05 1979-10-05 Signal transmitter and receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12788179A JPS5652947A (en) 1979-10-05 1979-10-05 Signal transmitter and receiver

Publications (2)

Publication Number Publication Date
JPS5652947A JPS5652947A (en) 1981-05-12
JPS6142464B2 true JPS6142464B2 (enrdf_load_stackoverflow) 1986-09-20

Family

ID=14970944

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12788179A Granted JPS5652947A (en) 1979-10-05 1979-10-05 Signal transmitter and receiver

Country Status (1)

Country Link
JP (1) JPS5652947A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005250784A (ja) * 2004-03-03 2005-09-15 Yaskawa Electric Corp 駆動軸操作システム

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498196A (en) * 1982-07-27 1985-02-05 General Electric Company Testable optically isolated control circuit
US4495655A (en) * 1982-07-27 1985-01-22 General Electric Company Testable optically isolated control circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005250784A (ja) * 2004-03-03 2005-09-15 Yaskawa Electric Corp 駆動軸操作システム

Also Published As

Publication number Publication date
JPS5652947A (en) 1981-05-12

Similar Documents

Publication Publication Date Title
US5589821A (en) Distance determination and alarm system
SE8403564D0 (sv) Forfarande for legesbestemning, jemte anordning herfor
JPS6142464B2 (enrdf_load_stackoverflow)
NO930548L (no) Fremgangsmaate og anordning for aa overvaake tilstanden for en mottakerantenne
JPS5690215A (en) Ultrasonic measurement device
JPS6150423B2 (enrdf_load_stackoverflow)
JPH0117336B2 (enrdf_load_stackoverflow)
JPS62293175A (ja) 超音波測定装置
JPS5916445A (ja) 時分割テレメ−タ装置における混信防止方法
JP2501439B2 (ja) 防犯システム
KR100432055B1 (ko) 이격 감지 장치
JPS55150638A (en) Receiver of transmitting and receiving system
JPS6053351A (ja) テレメ−タの信号伝送方式
JPH039405Y2 (enrdf_load_stackoverflow)
JPS6228615B2 (enrdf_load_stackoverflow)
IL27266A (en) A radar responder the emission frequency of which is in fixed relationship with respect to the interrogating frequency
TH18457B (th) เครื่องทวนสัญญาณอินฟาเรด
JPS5781747A (en) Data transmission control system for loop transmission system
JPS6484175A (en) Moving body discriminating device
JPS57185749A (en) Method and apparatus for self-test of modulation and demodulation device
JPH01162962U (enrdf_load_stackoverflow)
JPS5394715A (en) Afc system employing modulated wave
JPH01235881A (ja) 位置ぎめシステム及び方法
JPS5691545A (en) Monitoring system for transmitter and receiver
JPH0783284B2 (ja) 受信装置