JPH01246949A - インターホンの呼出回路 - Google Patents

インターホンの呼出回路

Info

Publication number
JPH01246949A
JPH01246949A JP7523088A JP7523088A JPH01246949A JP H01246949 A JPH01246949 A JP H01246949A JP 7523088 A JP7523088 A JP 7523088A JP 7523088 A JP7523088 A JP 7523088A JP H01246949 A JPH01246949 A JP H01246949A
Authority
JP
Japan
Prior art keywords
chime
sound
chime sound
sounds
circuit
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
JP7523088A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0570350B2 (2
Inventor
Hiroyuki Tsunekawa
博之 常川
Shigeo Azuma
東　滋生
Kuniyuki Tomono
晋之 伴野
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.)
Aiphone Co Ltd
Original Assignee
Aiphone 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 Aiphone Co Ltd filed Critical Aiphone Co Ltd
Priority to JP7523088A priority Critical patent/JPH01246949A/ja
Publication of JPH01246949A publication Critical patent/JPH01246949A/ja
Publication of JPH0570350B2 publication Critical patent/JPH0570350B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP7523088A 1988-03-29 1988-03-29 インターホンの呼出回路 Granted JPH01246949A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7523088A JPH01246949A (ja) 1988-03-29 1988-03-29 インターホンの呼出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7523088A JPH01246949A (ja) 1988-03-29 1988-03-29 インターホンの呼出回路

Publications (2)

Publication Number Publication Date
JPH01246949A true JPH01246949A (ja) 1989-10-02
JPH0570350B2 JPH0570350B2 (2) 1993-10-04

Family

ID=13570215

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7523088A Granted JPH01246949A (ja) 1988-03-29 1988-03-29 インターホンの呼出回路

Country Status (1)

Country Link
JP (1) JPH01246949A (2)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5255109U (2) * 1975-10-16 1977-04-21

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5255109U (2) * 1975-10-16 1977-04-21

Also Published As

Publication number Publication date
JPH0570350B2 (2) 1993-10-04

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