JPS59139733A - インタホン方式 - Google Patents

インタホン方式

Info

Publication number
JPS59139733A
JPS59139733A JP1311283A JP1311283A JPS59139733A JP S59139733 A JPS59139733 A JP S59139733A JP 1311283 A JP1311283 A JP 1311283A JP 1311283 A JP1311283 A JP 1311283A JP S59139733 A JPS59139733 A JP S59139733A
Authority
JP
Japan
Prior art keywords
line
circuit
signal
frequency signal
modulated
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
JP1311283A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0234506B2 (enrdf_load_stackoverflow
Inventor
Toru Kahara
花原　亨
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 JP1311283A priority Critical patent/JPS59139733A/ja
Publication of JPS59139733A publication Critical patent/JPS59139733A/ja
Publication of JPH0234506B2 publication Critical patent/JPH0234506B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H04M9/022—Multiplex systems
    • H04M9/027—Frequency division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP1311283A 1983-01-29 1983-01-29 インタホン方式 Granted JPS59139733A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1311283A JPS59139733A (ja) 1983-01-29 1983-01-29 インタホン方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1311283A JPS59139733A (ja) 1983-01-29 1983-01-29 インタホン方式

Publications (2)

Publication Number Publication Date
JPS59139733A true JPS59139733A (ja) 1984-08-10
JPH0234506B2 JPH0234506B2 (enrdf_load_stackoverflow) 1990-08-03

Family

ID=11824068

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1311283A Granted JPS59139733A (ja) 1983-01-29 1983-01-29 インタホン方式

Country Status (1)

Country Link
JP (1) JPS59139733A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05301605A (ja) * 1992-04-24 1993-11-16 Nkk Corp コイル格納用倉庫
JPH05301603A (ja) * 1992-04-24 1993-11-16 Nkk Corp コイル格納用倉庫

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5995761A (ja) * 1982-11-24 1984-06-01 Sony Corp 搬送式インタ−ホン

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5995761A (ja) * 1982-11-24 1984-06-01 Sony Corp 搬送式インタ−ホン

Also Published As

Publication number Publication date
JPH0234506B2 (enrdf_load_stackoverflow) 1990-08-03

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