JPS57153303A - Remote control system by bell tone of telephone set - Google Patents

Remote control system by bell tone of telephone set

Info

Publication number
JPS57153303A
JPS57153303A JP3925081A JP3925081A JPS57153303A JP S57153303 A JPS57153303 A JP S57153303A JP 3925081 A JP3925081 A JP 3925081A JP 3925081 A JP3925081 A JP 3925081A JP S57153303 A JPS57153303 A JP S57153303A
Authority
JP
Japan
Prior art keywords
telephone set
bell
bell tone
tone
control system
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.)
Pending
Application number
JP3925081A
Other languages
English (en)
Inventor
Hidetoshi Sogabe
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP3925081A priority Critical patent/JPS57153303A/ja
Publication of JPS57153303A publication Critical patent/JPS57153303A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/007—Telephonic communication systems specially adapted for combination with other electrical systems with remote control systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Signal Processing (AREA)
  • Control By Computers (AREA)
JP3925081A 1981-03-18 1981-03-18 Remote control system by bell tone of telephone set Pending JPS57153303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3925081A JPS57153303A (en) 1981-03-18 1981-03-18 Remote control system by bell tone of telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3925081A JPS57153303A (en) 1981-03-18 1981-03-18 Remote control system by bell tone of telephone set

Publications (1)

Publication Number Publication Date
JPS57153303A true JPS57153303A (en) 1982-09-21

Family

ID=12547883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3925081A Pending JPS57153303A (en) 1981-03-18 1981-03-18 Remote control system by bell tone of telephone set

Country Status (1)

Country Link
JP (1) JPS57153303A (ja)

Similar Documents

Publication Publication Date Title
KR880001154A (ko) 원격 제어 시스템
DK444283A (da) Hoereapparat
MY103630A (en) Electro-acoustic transducer
DE3683023D1 (de) Akustischer wandler.
US3098121A (en) Automatic sound control
EP0293205A3 (en) Public address amplifier
JPS57153303A (en) Remote control system by bell tone of telephone set
JPS5323254A (en) Amplifier equipment
GB1241131A (en) Electro-acoustic transducer
JPS5644843A (en) Measuring device of acoustic emission
JPS54117612A (en) Mike remote control-system transceiver
JPS5514774A (en) Output limit amplifier circuit
JPS5689195A (en) Microphone device
JPS561649A (en) Conference telephone equipment
JPS5435604A (en) Ringing system of push-button telephone set
JPS55138678A (en) Electronic watch
DE59801458D1 (de) Steuerungs- und/oder überwachungsgerät
SU763940A1 (ru) Устройство дл передачи телесигналов
JPS5571399A (en) Hearing aid unit
GB1469084A (en) Surface acoustic wave delay lines
Russotti et al. Proposed transfer-function technique for earphone analysis
JPS57135600A (en) Listening device
ES482471A1 (es) Un sintetizador de sonido.
JPS5520435A (en) Reverberation time measuring unit
JPS5631265A (en) Telephone vote system