JPS52153085A - Remote switch - Google Patents

Remote switch

Info

Publication number
JPS52153085A
JPS52153085A JP6874776A JP6874776A JPS52153085A JP S52153085 A JPS52153085 A JP S52153085A JP 6874776 A JP6874776 A JP 6874776A JP 6874776 A JP6874776 A JP 6874776A JP S52153085 A JPS52153085 A JP S52153085A
Authority
JP
Japan
Prior art keywords
remote switch
pulses
instruction signal
different frequencies
signal coded
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
JP6874776A
Other languages
Japanese (ja)
Inventor
Hideyuki Murakami
Tsuneo Kasama
Yoshiro Osumi
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.)
TOKAI MUSEN KENKYUSHO KK
NOF Corp
Original Assignee
TOKAI MUSEN KENKYUSHO KK
Nippon Oil and Fats 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 TOKAI MUSEN KENKYUSHO KK, Nippon Oil and Fats Co Ltd filed Critical TOKAI MUSEN KENKYUSHO KK
Priority to JP6874776A priority Critical patent/JPS52153085A/en
Publication of JPS52153085A publication Critical patent/JPS52153085A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/02—Non-electrical signal transmission systems, e.g. optical systems using infrasonic, sonic or ultrasonic waves

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)

Abstract

PURPOSE:To prevent wrong operations of the remote switch by the ultrasonic instruction signal coded by the pulses in different frequencies.
JP6874776A 1976-06-14 1976-06-14 Remote switch Pending JPS52153085A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6874776A JPS52153085A (en) 1976-06-14 1976-06-14 Remote switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6874776A JPS52153085A (en) 1976-06-14 1976-06-14 Remote switch

Publications (1)

Publication Number Publication Date
JPS52153085A true JPS52153085A (en) 1977-12-19

Family

ID=13382669

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6874776A Pending JPS52153085A (en) 1976-06-14 1976-06-14 Remote switch

Country Status (1)

Country Link
JP (1) JPS52153085A (en)

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