JPS62239749A - 電話機用受話器 - Google Patents

電話機用受話器

Info

Publication number
JPS62239749A
JPS62239749A JP8351386A JP8351386A JPS62239749A JP S62239749 A JPS62239749 A JP S62239749A JP 8351386 A JP8351386 A JP 8351386A JP 8351386 A JP8351386 A JP 8351386A JP S62239749 A JPS62239749 A JP S62239749A
Authority
JP
Japan
Prior art keywords
circuit
output
level
band
narrow
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
JP8351386A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0481908B2 (enExample
Inventor
Kazunari Hirano
和成 平野
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP8351386A priority Critical patent/JPS62239749A/ja
Publication of JPS62239749A publication Critical patent/JPS62239749A/ja
Publication of JPH0481908B2 publication Critical patent/JPH0481908B2/ja
Granted legal-status Critical Current

Links

JP8351386A 1986-04-11 1986-04-11 電話機用受話器 Granted JPS62239749A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8351386A JPS62239749A (ja) 1986-04-11 1986-04-11 電話機用受話器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8351386A JPS62239749A (ja) 1986-04-11 1986-04-11 電話機用受話器

Publications (2)

Publication Number Publication Date
JPS62239749A true JPS62239749A (ja) 1987-10-20
JPH0481908B2 JPH0481908B2 (enExample) 1992-12-25

Family

ID=13804565

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8351386A Granted JPS62239749A (ja) 1986-04-11 1986-04-11 電話機用受話器

Country Status (1)

Country Link
JP (1) JPS62239749A (enExample)

Also Published As

Publication number Publication date
JPH0481908B2 (enExample) 1992-12-25

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term