KR860003218U - Phone cover for automatic call control - Google Patents

Phone cover for automatic call control

Info

Publication number
KR860003218U
KR860003218U KR2019840007927U KR840007927U KR860003218U KR 860003218 U KR860003218 U KR 860003218U KR 2019840007927 U KR2019840007927 U KR 2019840007927U KR 840007927 U KR840007927 U KR 840007927U KR 860003218 U KR860003218 U KR 860003218U
Authority
KR
South Korea
Prior art keywords
call control
automatic call
phone cover
phone
cover
Prior art date
Application number
KR2019840007927U
Other languages
Korean (ko)
Other versions
KR860001402Y1 (en
Inventor
정창효
한장길
Original Assignee
정창효
한장길
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 정창효, 한장길 filed Critical 정창효
Priority to KR2019840007927U priority Critical patent/KR860001402Y1/en
Publication of KR860003218U publication Critical patent/KR860003218U/en
Application granted granted Critical
Publication of KR860001402Y1 publication Critical patent/KR860001402Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Telephone Set Structure (AREA)
KR2019840007927U 1984-08-09 1984-08-09 A telephone cover KR860001402Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019840007927U KR860001402Y1 (en) 1984-08-09 1984-08-09 A telephone cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019840007927U KR860001402Y1 (en) 1984-08-09 1984-08-09 A telephone cover

Publications (2)

Publication Number Publication Date
KR860003218U true KR860003218U (en) 1986-03-31
KR860001402Y1 KR860001402Y1 (en) 1986-07-09

Family

ID=70161420

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019840007927U KR860001402Y1 (en) 1984-08-09 1984-08-09 A telephone cover

Country Status (1)

Country Link
KR (1) KR860001402Y1 (en)

Also Published As

Publication number Publication date
KR860001402Y1 (en) 1986-07-09

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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