JPH0262859U - - Google Patents

Info

Publication number
JPH0262859U
JPH0262859U JP14139988U JP14139988U JPH0262859U JP H0262859 U JPH0262859 U JP H0262859U JP 14139988 U JP14139988 U JP 14139988U JP 14139988 U JP14139988 U JP 14139988U JP H0262859 U JPH0262859 U JP H0262859U
Authority
JP
Japan
Prior art keywords
signal
ringtone
codec
ring tone
speaker
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
JP14139988U
Other languages
Japanese (ja)
Other versions
JPH087713Y2 (en
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 JP1988141399U priority Critical patent/JPH087713Y2/en
Publication of JPH0262859U publication Critical patent/JPH0262859U/ja
Application granted granted Critical
Publication of JPH087713Y2 publication Critical patent/JPH087713Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の一実施例によるデイジタル
電話機のブロツク図、第２図は従来のデイジタル
電話機のブロツク図である。 図中符号３はフレーム多重分離部、４は網制御
信号、５は音声信号、６はデータ信号、７はコー
デツク、８は処理部、９は着信音信号生成部、１
８はパワーダウン信号、２１は抵抗分圧回路。な
お図中同一符号は同一または相当部分を示す。 FIG. 1 is a block diagram of a digital telephone according to an embodiment of this invention, and FIG. 2 is a block diagram of a conventional digital telephone. In the figure, numeral 3 is a frame demultiplexing unit, 4 is a network control signal, 5 is an audio signal, 6 is a data signal, 7 is a codec, 8 is a processing unit, 9 is a ring tone signal generation unit, 1
8 is a power down signal, 21 is a resistor voltage divider circuit. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 音声をコーデツクによりデイジタル化した信号
とデータ端末用デイジタルデータ信号と網制御用
の制御信号を交換機または網との間で送受し、着
信時に着信音信号を生成する着信音生成部、前記
着信音生成部からの着信音信号を増幅してスピー
カを駆動するスピーカアンプを備えたデイジタル
電話機において、着信音信号の経路である前記着
信音生成回路とスピーカアンプとの間に抵抗分圧
回路を設け、前記コーデツクの消費電力を制御す
るパワーダウン信号により抵抗分圧回路の分圧比
を制御することを特徴とするデイジタル電話機の
着信音発生回路。 a ring tone generation unit that transmits and receives a signal obtained by digitizing voice using a codec, a digital data signal for a data terminal, and a control signal for network control to and from an exchange or a network, and generates a ring tone signal when an incoming call is received; In a digital telephone equipped with a speaker amplifier that amplifies a ringtone signal from a section to drive a speaker, a resistor voltage divider circuit is provided between the ringtone generation circuit, which is a path for the ringtone signal, and the speaker amplifier, and the A ringtone generation circuit for a digital telephone, characterized in that the voltage division ratio of a resistive voltage divider circuit is controlled by a power down signal that controls the power consumption of a codec.
JP1988141399U 1988-10-28 1988-10-28 Ring tone generation circuit for digital telephone Expired - Lifetime JPH087713Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988141399U JPH087713Y2 (en) 1988-10-28 1988-10-28 Ring tone generation circuit for digital telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988141399U JPH087713Y2 (en) 1988-10-28 1988-10-28 Ring tone generation circuit for digital telephone

Publications (2)

Publication Number Publication Date
JPH0262859U true JPH0262859U (en) 1990-05-10
JPH087713Y2 JPH087713Y2 (en) 1996-03-04

Family

ID=31406421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988141399U Expired - Lifetime JPH087713Y2 (en) 1988-10-28 1988-10-28 Ring tone generation circuit for digital telephone

Country Status (1)

Country Link
JP (1) JPH087713Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000286926A (en) * 1999-03-31 2000-10-13 Sanyo Electric Co Ltd Portable telephone system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61189054A (en) * 1985-02-15 1986-08-22 Mitsubishi Electric Corp Audible sound generating circuit of digital telephone set
JPS6361515A (en) * 1986-09-01 1988-03-17 Fujitsu Ltd System for varying volume in car telephone equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61189054A (en) * 1985-02-15 1986-08-22 Mitsubishi Electric Corp Audible sound generating circuit of digital telephone set
JPS6361515A (en) * 1986-09-01 1988-03-17 Fujitsu Ltd System for varying volume in car telephone equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000286926A (en) * 1999-03-31 2000-10-13 Sanyo Electric Co Ltd Portable telephone system

Also Published As

Publication number Publication date
JPH087713Y2 (en) 1996-03-04

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