KR910001769U - Multi-function display circuit in telephone - Google Patents

Multi-function display circuit in telephone

Info

Publication number
KR910001769U
KR910001769U KR2019890009017U KR890009017U KR910001769U KR 910001769 U KR910001769 U KR 910001769U KR 2019890009017 U KR2019890009017 U KR 2019890009017U KR 890009017 U KR890009017 U KR 890009017U KR 910001769 U KR910001769 U KR 910001769U
Authority
KR
South Korea
Prior art keywords
telephone
display circuit
function display
circuit
function
Prior art date
Application number
KR2019890009017U
Other languages
Korean (ko)
Other versions
KR920001280Y1 (en
Inventor
정일권
Original Assignee
삼성전자 주식회사
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 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to KR2019890009017U priority Critical patent/KR920001280Y1/en
Publication of KR910001769U publication Critical patent/KR910001769U/en
Application granted granted Critical
Publication of KR920001280Y1 publication Critical patent/KR920001280Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • H04M19/048—Arrangements providing optical indication of the incoming call, e.g. flasher circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
    • 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
    • H04M2201/04—Transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Telephone Set Structure (AREA)
KR2019890009017U 1989-06-28 1989-06-28 Multifunction display circuit in telephone KR920001280Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890009017U KR920001280Y1 (en) 1989-06-28 1989-06-28 Multifunction display circuit in telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890009017U KR920001280Y1 (en) 1989-06-28 1989-06-28 Multifunction display circuit in telephone

Publications (2)

Publication Number Publication Date
KR910001769U true KR910001769U (en) 1991-01-25
KR920001280Y1 KR920001280Y1 (en) 1992-02-20

Family

ID=19287547

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890009017U KR920001280Y1 (en) 1989-06-28 1989-06-28 Multifunction display circuit in telephone

Country Status (1)

Country Link
KR (1) KR920001280Y1 (en)

Also Published As

Publication number Publication date
KR920001280Y1 (en) 1992-02-20

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Legal Events

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

Payment date: 20010129

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee