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JPS6441597A - Method for detecting dial pulse - Google Patents

Method for detecting dial pulse

Info

Publication number
JPS6441597A
JPS6441597A JP19885987A JP19885987A JPS6441597A JP S6441597 A JPS6441597 A JP S6441597A JP 19885987 A JP19885987 A JP 19885987A JP 19885987 A JP19885987 A JP 19885987A JP S6441597 A JPS6441597 A JP S6441597A
Authority
JP
Japan
Prior art keywords
pulse
signal
circuit
program
dial
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.)
Pending
Application number
JP19885987A
Other languages
Japanese (ja)
Inventor
Takeshige Fujitani
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP19885987A priority Critical patent/JPS6441597A/en
Publication of JPS6441597A publication Critical patent/JPS6441597A/en
Pending legal-status Critical Current

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Landscapes

  • Interface Circuits In Exchanges (AREA)

Abstract

PURPOSE:To correctly control an exchange, etc., by inputting 0 or dial pulse containing 0 as for a reference signal, making the pulse length of the dial pulse into a reference and executing the detection of the dial pulse. CONSTITUTION:When a dial pulse length position 2-8 for the reference signal is detected, a reference pulse program 2-6 corresponding to the pulse length is selected at a program circuit 1-8 and held as the reference pulse program for detecting an arbitrary dial pulse to be inputted hereafter. When the arbitrary dial pulse is inputted, it is made into the pulse length at a signal switching circuit 1-2, a signal amplifying circuit 1-3 and a pulse shaping circuit 1-4. By the pulse length, a signal control circuit 1-5 is subjected to the processing of the pulse length by the reference pulse program 2-6 selected at the program circuit 1-8, the pulse length is converted to a signal sound corresponding to the dial pulse by a signal converting circuit 1-9, the signal switching circuit 1-2 is made into a signal output, and the signal sound is sent through a connecting terminal 1-1 to a trunk line.
JP19885987A 1987-08-07 1987-08-07 Method for detecting dial pulse Pending JPS6441597A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19885987A JPS6441597A (en) 1987-08-07 1987-08-07 Method for detecting dial pulse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19885987A JPS6441597A (en) 1987-08-07 1987-08-07 Method for detecting dial pulse

Publications (1)

Publication Number Publication Date
JPS6441597A true JPS6441597A (en) 1989-02-13

Family

ID=16398105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19885987A Pending JPS6441597A (en) 1987-08-07 1987-08-07 Method for detecting dial pulse

Country Status (1)

Country Link
JP (1) JPS6441597A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0314863U (en) * 1989-06-24 1991-02-14

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62169597A (en) * 1985-11-25 1987-07-25 ブリテイシユ・テレコミユニケ−シヨンズ・パブリツク・リミテツド・カンパニ Dial pulse detection
JPS6314595A (en) * 1986-07-07 1988-01-21 Nec Corp Recognizing method for dial pulse and its device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62169597A (en) * 1985-11-25 1987-07-25 ブリテイシユ・テレコミユニケ−シヨンズ・パブリツク・リミテツド・カンパニ Dial pulse detection
JPS6314595A (en) * 1986-07-07 1988-01-21 Nec Corp Recognizing method for dial pulse and its device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0314863U (en) * 1989-06-24 1991-02-14

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