JPS6214971B2 - - Google Patents

Info

Publication number
JPS6214971B2
JPS6214971B2 JP53147640A JP14764078A JPS6214971B2 JP S6214971 B2 JPS6214971 B2 JP S6214971B2 JP 53147640 A JP53147640 A JP 53147640A JP 14764078 A JP14764078 A JP 14764078A JP S6214971 B2 JPS6214971 B2 JP S6214971B2
Authority
JP
Japan
Prior art keywords
signal
voltage
intermittent
circuit
output
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
JP53147640A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5574246A (en
Inventor
Muneo Suzuki
Hitoshi Ikeda
Takeyoshi Kawamura
Yoshiharu Suzuki
Kazuhiko Mori
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP14764078A priority Critical patent/JPS5574246A/ja
Publication of JPS5574246A publication Critical patent/JPS5574246A/ja
Publication of JPS6214971B2 publication Critical patent/JPS6214971B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5458—Monitor sensor; Alarm systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Selective Calling Equipment (AREA)
JP14764078A 1978-11-29 1978-11-29 Signal delivery system Granted JPS5574246A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14764078A JPS5574246A (en) 1978-11-29 1978-11-29 Signal delivery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14764078A JPS5574246A (en) 1978-11-29 1978-11-29 Signal delivery system

Publications (2)

Publication Number Publication Date
JPS5574246A JPS5574246A (en) 1980-06-04
JPS6214971B2 true JPS6214971B2 (enrdf_load_stackoverflow) 1987-04-04

Family

ID=15434898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14764078A Granted JPS5574246A (en) 1978-11-29 1978-11-29 Signal delivery system

Country Status (1)

Country Link
JP (1) JPS5574246A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58115945A (ja) * 1981-12-29 1983-07-09 Toyoda Gosei Co Ltd ハンドル部への電力伝送と信号送受方法
JPS58179038A (ja) * 1982-04-14 1983-10-20 Matsushita Electric Ind Co Ltd 時分割多重伝送方式
JPS6050584U (ja) * 1983-09-13 1985-04-09 日立化成工業株式会社 ２線式遠隔制御装置
JPS61147512A (ja) * 1984-12-20 1986-07-05 Tohoku Oki Denki Kk 電磁石駆動方式
JPS6221339A (ja) * 1985-07-19 1987-01-29 Oki Electric Ind Co Ltd 制御信号伝送方式
JPS6258172A (ja) * 1985-09-06 1987-03-13 Noritsu Co Ltd 信号伝送線の短絡検出方法
JPH0263227A (ja) * 1988-08-29 1990-03-02 Rinnai Corp 通信装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5338917A (en) * 1976-09-22 1978-04-10 Hitachi Ltd Information transmission system
JPS5372411A (en) * 1976-12-09 1978-06-27 Hokuriku Electric Power Co Inc:The Signal transmission system

Also Published As

Publication number Publication date
JPS5574246A (en) 1980-06-04

Similar Documents

Publication Publication Date Title
US4316273A (en) Remote-controlled alarm clock
US4631527A (en) Transmitter-receiver coded security alarm system
JPS6214971B2 (enrdf_load_stackoverflow)
US4879741A (en) Fax/telephone switching device
JPS6229933B2 (enrdf_load_stackoverflow)
JPS5824078B2 (ja) 家屋の出入口管理装置
JPS6051335A (ja) 多局インタ−ホンシステム
JP2004040654A (ja) 電気錠付ドアホン装置
JPS598091B2 (ja) 屋内電路を利用した信号伝送方式
JPS6340921Y2 (enrdf_load_stackoverflow)
JPH0233418Y2 (enrdf_load_stackoverflow)
JPS62173823A (ja) コ−ドレスインタ−ホン
US3631399A (en) Pulse code modulated transmitter-receiver transmission link
KR910005330Y1 (ko) 무선 비상 경보장치
JPS6057757B2 (ja) 遠隔監視制御装置
JPS5826257B2 (ja) 屋内負荷の電力線搬送波制御方式
JPS61144132A (ja) 送信器
JPH071879Y2 (ja) ボタン電話装置の応答検出回路
JPS62196994A (ja) リモ−トコントロ−ル装置
KR930001541Y1 (ko) 교류 신호를 이용한 원격 제어장치
JPS62224126A (ja) ワイヤレス救急送信器
JPH07221846A (ja) 構内交換システム
JPS6171797A (ja) 無線制御装置
JPH0194797A (ja) 停電通知機能付遠方監視制御装置
JPS62173822A (ja) コ−ドレスインタ−ホン