KR870001638B1 - 전화기의 후크 프레시(Hook Flash)회로 - Google Patents
전화기의 후크 프레시(Hook Flash)회로 Download PDFInfo
- Publication number
- KR870001638B1 KR870001638B1 KR1019850001902A KR850001902A KR870001638B1 KR 870001638 B1 KR870001638 B1 KR 870001638B1 KR 1019850001902 A KR1019850001902 A KR 1019850001902A KR 850001902 A KR850001902 A KR 850001902A KR 870001638 B1 KR870001638 B1 KR 870001638B1
- Authority
- KR
- South Korea
- Prior art keywords
- output
- circuit section
- capacitor
- function
- ehf
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
Claims (1)
- 국선(L1), (L2)에 좁속된 선로 및 회로망 인터페이스 회로부(1)의 양 출력단을 저항(R9-R12) 및 콘덴서(C7, C8), 트랜지스터(TR1), 전계효과 트랜지스터(FET1)로 구성된 스위칭 회로부(5)를 통하여 다이알 및 전화기 회로망(6)에 접속하되, 상기 선로 및 회로망 인터페이스 회로부(1)의 양 출력단에 전류 리피이터(CR1) 및 다이오드(D1), 콘덴서(C1), 제너다이오드(ZD1)로 구성한 전원 공급부(2)를 접속하여, 그의 출력츨을 TAP기능버튼스위치(BS1) 및 후크 스위치(HS1)를 각각 통하여 저항(R1-R4) 및 콘덴서(C2-C4), 노아게이트(NOR1, NOR2), 다이오드(D2)로 구성한 TAP 기능회로부(3)와 저항(R5-R6) 및 콘덴서(C5-C6), 다이오드(D3-D6), 노아게이트(NOR3, NOR4)로 구성한 EHF기능회로부(4)의 일력측에 접속하며, 그 TAP기능회로부(3) 및 EHF기능회로부(4)의 출력측을 상기 스위칭 회로부(5)의 제어 입력측에 접속하여 구성함을 특징으로 하는 전화기의 후크 프레시 회로.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019850001902A KR870001638B1 (ko) | 1985-03-22 | 1985-03-22 | 전화기의 후크 프레시(Hook Flash)회로 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019850001902A KR870001638B1 (ko) | 1985-03-22 | 1985-03-22 | 전화기의 후크 프레시(Hook Flash)회로 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR860007805A KR860007805A (ko) | 1986-10-17 |
| KR870001638B1 true KR870001638B1 (ko) | 1987-09-17 |
Family
ID=19240228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019850001902A Expired KR870001638B1 (ko) | 1985-03-22 | 1985-03-22 | 전화기의 후크 프레시(Hook Flash)회로 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR870001638B1 (ko) |
-
1985
- 1985-03-22 KR KR1019850001902A patent/KR870001638B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR860007805A (ko) | 1986-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| G160 | Decision to publish patent application | ||
| PG1605 | Publication of application before grant of patent |
St.27 status event code: A-2-2-Q10-Q13-nap-PG1605 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
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| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
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| FPAY | Annual fee payment |
Payment date: 19900117 Year of fee payment: 4 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 4 |
|
| LAPS | Lapse due to unpaid annual fee | ||
| PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 19910918 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
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| PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 19910918 |
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| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
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| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |