JPS6421176U - - Google Patents

Info

Publication number
JPS6421176U
JPS6421176U JP11347587U JP11347587U JPS6421176U JP S6421176 U JPS6421176 U JP S6421176U JP 11347587 U JP11347587 U JP 11347587U JP 11347587 U JP11347587 U JP 11347587U JP S6421176 U JPS6421176 U JP S6421176U
Authority
JP
Japan
Prior art keywords
microphone
output
management location
telephone line
tone signal
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
JP11347587U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP11347587U priority Critical patent/JPS6421176U/ja
Publication of JPS6421176U publication Critical patent/JPS6421176U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Indicating And Signalling Devices For Elevators (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
JP11347587U 1987-07-24 1987-07-24 Pending JPS6421176U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11347587U JPS6421176U (enrdf_load_stackoverflow) 1987-07-24 1987-07-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11347587U JPS6421176U (enrdf_load_stackoverflow) 1987-07-24 1987-07-24

Publications (1)

Publication Number Publication Date
JPS6421176U true JPS6421176U (enrdf_load_stackoverflow) 1989-02-02

Family

ID=31353345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11347587U Pending JPS6421176U (enrdf_load_stackoverflow) 1987-07-24 1987-07-24

Country Status (1)

Country Link
JP (1) JPS6421176U (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62172850A (ja) * 1986-01-27 1987-07-29 Matsushita Electric Works Ltd 通話装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62172850A (ja) * 1986-01-27 1987-07-29 Matsushita Electric Works Ltd 通話装置

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