KR870019208U - 송수화기의 음향 집음기 - Google Patents

송수화기의 음향 집음기

Info

Publication number
KR870019208U
KR870019208U KR2019860007163U KR860007163U KR870019208U KR 870019208 U KR870019208 U KR 870019208U KR 2019860007163 U KR2019860007163 U KR 2019860007163U KR 860007163 U KR860007163 U KR 860007163U KR 870019208 U KR870019208 U KR 870019208U
Authority
KR
South Korea
Prior art keywords
handset
sound collector
acoustic sound
acoustic
collector
Prior art date
Application number
KR2019860007163U
Other languages
English (en)
Other versions
KR890003379Y1 (ko
Inventor
윤성수
Original Assignee
윤성수
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 윤성수 filed Critical 윤성수
Priority to KR2019860007163U priority Critical patent/KR890003379Y1/ko
Publication of KR870019208U publication Critical patent/KR870019208U/ko
Application granted granted Critical
Publication of KR890003379Y1 publication Critical patent/KR890003379Y1/ko

Links

Classifications

    • 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
    • H04M1/17—Hygienic or sanitary devices on telephone equipment
    • 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
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/12—Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)
KR2019860007163U 1986-05-22 1986-05-22 송수화기의 음향 집음기 KR890003379Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019860007163U KR890003379Y1 (ko) 1986-05-22 1986-05-22 송수화기의 음향 집음기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860007163U KR890003379Y1 (ko) 1986-05-22 1986-05-22 송수화기의 음향 집음기

Publications (2)

Publication Number Publication Date
KR870019208U true KR870019208U (ko) 1987-12-28
KR890003379Y1 KR890003379Y1 (ko) 1989-05-20

Family

ID=19251976

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860007163U KR890003379Y1 (ko) 1986-05-22 1986-05-22 송수화기의 음향 집음기

Country Status (1)

Country Link
KR (1) KR890003379Y1 (ko)

Also Published As

Publication number Publication date
KR890003379Y1 (ko) 1989-05-20

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee