KR880003569U - 신호 판별 회로 - Google Patents

신호 판별 회로

Info

Publication number
KR880003569U
KR880003569U KR2019860011479U KR860011479U KR880003569U KR 880003569 U KR880003569 U KR 880003569U KR 2019860011479 U KR2019860011479 U KR 2019860011479U KR 860011479 U KR860011479 U KR 860011479U KR 880003569 U KR880003569 U KR 880003569U
Authority
KR
South Korea
Prior art keywords
discrimination circuit
signal discrimination
signal
circuit
discrimination
Prior art date
Application number
KR2019860011479U
Other languages
English (en)
Other versions
KR900001029Y1 (ko
Inventor
이헌
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to KR2019860011479U priority Critical patent/KR900001029Y1/ko
Publication of KR880003569U publication Critical patent/KR880003569U/ko
Application granted granted Critical
Publication of KR900001029Y1 publication Critical patent/KR900001029Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H04M1/654—Telephone line monitoring circuits therefor, e.g. ring detectors
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/82—Line monitoring circuits for call progress or status discrimination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/02—Diodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/10—Logic circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Telephone Function (AREA)
KR2019860011479U 1986-07-30 1986-07-30 신호 판별 회로 KR900001029Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860011479U KR900001029Y1 (ko) 1986-07-30 1986-07-30 신호 판별 회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860011479U KR900001029Y1 (ko) 1986-07-30 1986-07-30 신호 판별 회로

Publications (2)

Publication Number Publication Date
KR880003569U true KR880003569U (ko) 1988-04-14
KR900001029Y1 KR900001029Y1 (ko) 1990-02-10

Family

ID=19254491

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860011479U KR900001029Y1 (ko) 1986-07-30 1986-07-30 신호 판별 회로

Country Status (1)

Country Link
KR (1) KR900001029Y1 (ko)

Also Published As

Publication number Publication date
KR900001029Y1 (ko) 1990-02-10

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19970829

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee