JPS553205A - Signal transmission system - Google Patents

Signal transmission system

Info

Publication number
JPS553205A
JPS553205A JP7443978A JP7443978A JPS553205A JP S553205 A JPS553205 A JP S553205A JP 7443978 A JP7443978 A JP 7443978A JP 7443978 A JP7443978 A JP 7443978A JP S553205 A JPS553205 A JP S553205A
Authority
JP
Japan
Prior art keywords
sensor
comparator
voltage
frosting
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.)
Pending
Application number
JP7443978A
Other languages
Japanese (ja)
Inventor
Tatsuo Saka
Hiroshi Fujieda
Akihisa Takano
Hidenosuke Matsumoto
Fujio Murase
Takashi Deguchi
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP7443978A priority Critical patent/JPS553205A/en
Publication of JPS553205A publication Critical patent/JPS553205A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)

Abstract

PURPOSE:To secure the singnal transmission through the same line by converting the plural analog signals into different voltage levels to each other. CONSTITUTION:For instance, comparator 30 of the side of the outside-room unit delivers OV of the output voltage when the temperature detection voltage of frosting sensor 23 becomes higher than the voltage showing the frosting. As a result, diode 7 is switched on to absorb the output voltage of outside temperature sensor 21, and then OV is detected by comparator 33 of the inside-room unit via line H. Thus detection output 1B is delivered. In case sensor 23 detects no frosting, comparator 30 delivers +12V with diode 7 switched off. As a result, the output of sensor 21 is transmitted to line H to be detected by comparators 31 and 32.
JP7443978A 1978-06-19 1978-06-19 Signal transmission system Pending JPS553205A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7443978A JPS553205A (en) 1978-06-19 1978-06-19 Signal transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7443978A JPS553205A (en) 1978-06-19 1978-06-19 Signal transmission system

Publications (1)

Publication Number Publication Date
JPS553205A true JPS553205A (en) 1980-01-11

Family

ID=13547254

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7443978A Pending JPS553205A (en) 1978-06-19 1978-06-19 Signal transmission system

Country Status (1)

Country Link
JP (1) JPS553205A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59148497A (en) * 1983-02-14 1984-08-25 Tokyo Gas Co Ltd Remote controller
US6098380A (en) * 1996-12-23 2000-08-08 Lipton, Division Of Conopco, Inc. Web shaping method and means

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5064686A (en) * 1973-10-11 1975-05-31

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5064686A (en) * 1973-10-11 1975-05-31

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59148497A (en) * 1983-02-14 1984-08-25 Tokyo Gas Co Ltd Remote controller
US6098380A (en) * 1996-12-23 2000-08-08 Lipton, Division Of Conopco, Inc. Web shaping method and means

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