KR920005475U - 송수화기 방치시의 전화기수신유지회로 - Google Patents

송수화기 방치시의 전화기수신유지회로

Info

Publication number
KR920005475U
KR920005475U KR2019900012819U KR900012819U KR920005475U KR 920005475 U KR920005475 U KR 920005475U KR 2019900012819 U KR2019900012819 U KR 2019900012819U KR 900012819 U KR900012819 U KR 900012819U KR 920005475 U KR920005475 U KR 920005475U
Authority
KR
South Korea
Prior art keywords
handset
left unattended
maintenance circuit
telephone reception
telephone
Prior art date
Application number
KR2019900012819U
Other languages
English (en)
Other versions
KR930003233Y1 (ko
Inventor
박정하
Original Assignee
박정하
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 박정하 filed Critical 박정하
Priority to KR2019900012819U priority Critical patent/KR930003233Y1/ko
Publication of KR920005475U publication Critical patent/KR920005475U/ko
Application granted granted Critical
Publication of KR930003233Y1 publication Critical patent/KR930003233Y1/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
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/06—Hooks; Cradles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
KR2019900012819U 1990-08-24 1990-08-24 송수화기 방치시의 전화기수신유지회로 KR930003233Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019900012819U KR930003233Y1 (ko) 1990-08-24 1990-08-24 송수화기 방치시의 전화기수신유지회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019900012819U KR930003233Y1 (ko) 1990-08-24 1990-08-24 송수화기 방치시의 전화기수신유지회로

Publications (2)

Publication Number Publication Date
KR920005475U true KR920005475U (ko) 1992-03-26
KR930003233Y1 KR930003233Y1 (ko) 1993-06-03

Family

ID=19302526

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900012819U KR930003233Y1 (ko) 1990-08-24 1990-08-24 송수화기 방치시의 전화기수신유지회로

Country Status (1)

Country Link
KR (1) KR930003233Y1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230091838A (ko) * 2021-12-16 2023-06-23 전재균 튜브형 차량화재진화장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230091838A (ko) * 2021-12-16 2023-06-23 전재균 튜브형 차량화재진화장치

Also Published As

Publication number Publication date
KR930003233Y1 (ko) 1993-06-03

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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
LAPS Lapse due to unpaid annual fee