JPS63299640A - 自動保留解除装置 - Google Patents

自動保留解除装置

Info

Publication number
JPS63299640A
JPS63299640A JP13613587A JP13613587A JPS63299640A JP S63299640 A JPS63299640 A JP S63299640A JP 13613587 A JP13613587 A JP 13613587A JP 13613587 A JP13613587 A JP 13613587A JP S63299640 A JPS63299640 A JP S63299640A
Authority
JP
Japan
Prior art keywords
voltage
hook
telephone
time
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.)
Granted
Application number
JP13613587A
Other languages
English (en)
Japanese (ja)
Other versions
JPH041541B2 (enExample
Inventor
Yasushi Naka
寧 中
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP13613587A priority Critical patent/JPS63299640A/ja
Publication of JPS63299640A publication Critical patent/JPS63299640A/ja
Publication of JPH041541B2 publication Critical patent/JPH041541B2/ja
Granted legal-status Critical Current

Links

JP13613587A 1987-05-29 1987-05-29 自動保留解除装置 Granted JPS63299640A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13613587A JPS63299640A (ja) 1987-05-29 1987-05-29 自動保留解除装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13613587A JPS63299640A (ja) 1987-05-29 1987-05-29 自動保留解除装置

Publications (2)

Publication Number Publication Date
JPS63299640A true JPS63299640A (ja) 1988-12-07
JPH041541B2 JPH041541B2 (enExample) 1992-01-13

Family

ID=15168124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13613587A Granted JPS63299640A (ja) 1987-05-29 1987-05-29 自動保留解除装置

Country Status (1)

Country Link
JP (1) JPS63299640A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5131031A (en) * 1989-08-24 1992-07-14 Herbert Waldman Hold circuits for telephone systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5131031A (en) * 1989-08-24 1992-07-14 Herbert Waldman Hold circuits for telephone systems

Also Published As

Publication number Publication date
JPH041541B2 (enExample) 1992-01-13

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