JPS5994955A - ダイヤル信号送出回路 - Google Patents

ダイヤル信号送出回路

Info

Publication number
JPS5994955A
JPS5994955A JP20415582A JP20415582A JPS5994955A JP S5994955 A JPS5994955 A JP S5994955A JP 20415582 A JP20415582 A JP 20415582A JP 20415582 A JP20415582 A JP 20415582A JP S5994955 A JPS5994955 A JP S5994955A
Authority
JP
Japan
Prior art keywords
signal
dial
dial signal
differential amplifier
generating means
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
JP20415582A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0125466B2 (enrdf_load_stackoverflow
Inventor
Tsuneaki Oka
岡　統章
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP20415582A priority Critical patent/JPS5994955A/ja
Publication of JPS5994955A publication Critical patent/JPS5994955A/ja
Publication of JPH0125466B2 publication Critical patent/JPH0125466B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
JP20415582A 1982-11-19 1982-11-19 ダイヤル信号送出回路 Granted JPS5994955A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20415582A JPS5994955A (ja) 1982-11-19 1982-11-19 ダイヤル信号送出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20415582A JPS5994955A (ja) 1982-11-19 1982-11-19 ダイヤル信号送出回路

Publications (2)

Publication Number Publication Date
JPS5994955A true JPS5994955A (ja) 1984-05-31
JPH0125466B2 JPH0125466B2 (enrdf_load_stackoverflow) 1989-05-17

Family

ID=16485739

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20415582A Granted JPS5994955A (ja) 1982-11-19 1982-11-19 ダイヤル信号送出回路

Country Status (1)

Country Link
JP (1) JPS5994955A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0125466B2 (enrdf_load_stackoverflow) 1989-05-17

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