KR0158585B1 - 수신대역이 확장된 차량 도난 방지시스템 - Google Patents
수신대역이 확장된 차량 도난 방지시스템 Download PDFInfo
- Publication number
- KR0158585B1 KR0158585B1 KR1019950023899A KR19950023899A KR0158585B1 KR 0158585 B1 KR0158585 B1 KR 0158585B1 KR 1019950023899 A KR1019950023899 A KR 1019950023899A KR 19950023899 A KR19950023899 A KR 19950023899A KR 0158585 B1 KR0158585 B1 KR 0158585B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- primary
- band
- remote control
- mhz
- 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 - Fee Related
Links
- 230000010355 oscillation Effects 0.000 claims description 10
- 230000005856 abnormality Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/102—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
- G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/222—Personal calling arrangements or devices, i.e. paging systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Description
Claims (3)
- 안테나로 수신된 리모콘 신호와 페이징신호를 증폭하는 고주파 증폭기(21)와, 입력신호를 국부발진기(24b)에서 출력된 발진주파수와 혼합하여 중간주파수로 변환하는 1차 혼합기(24a)와 1차 국부발진기(24b)를 구비한 1차 주파수 변환기(24)에 있어서, 상기 고주파 증폭기(21)의 출력신호중 페이징 신호대역을 통과시켜 1차 주파수 변환기(24)로 출력하는 페이징 신호 대역 통과필터(22)와, 상기 고주파 증폭기(21)의 출력신호중 리모콘 신호를 통과시켜 1차 주파수 변환기(24)로 출력하는 리모콘 신호대역 통과필터(23)를 구비함을 특징으로 하는 수신대역이 확장된 차량 도난 방지시스템.
- 제1항에 있어서, 상기 페이징 신호를 321MHz 대역으로 하고, 상기 리모콘 신호를 279MHz 대역으로 하고, 주파수 변환기(24)의 국부발진기(24b)가 300MHz의 발진주파수를 출력함을 특징으로 하는 수신대역이 확장된 차량 도난 방지시스템.
- 제1항에 있어서, 상기 페이징 신호가 321MHz 대역이고, 상기 리모콘 신호가 279MHz 대역이고, 상기 주파수 변환기(24)의 국부발진기(24b)가 342MHz의 발진주파수를 출력함을 특징으로 하는 수신대역이 확장된 차량 도난 방지시스템.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950023899A KR0158585B1 (ko) | 1995-08-02 | 1995-08-02 | 수신대역이 확장된 차량 도난 방지시스템 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950023899A KR0158585B1 (ko) | 1995-08-02 | 1995-08-02 | 수신대역이 확장된 차량 도난 방지시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970012251A KR970012251A (ko) | 1997-03-29 |
KR0158585B1 true KR0158585B1 (ko) | 1999-03-20 |
Family
ID=19422717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950023899A Expired - Fee Related KR0158585B1 (ko) | 1995-08-02 | 1995-08-02 | 수신대역이 확장된 차량 도난 방지시스템 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0158585B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100425414B1 (ko) | 2002-01-25 | 2004-04-08 | 이 재 영 | 스크류 압축기용 로우터의 치형 |
-
1995
- 1995-08-02 KR KR1019950023899A patent/KR0158585B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR970012251A (ko) | 1997-03-29 |
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Legal Events
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A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19950802 |
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Patent event code: PA02012R01D Patent event date: 19950802 Comment text: Request for Examination of Application |
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19980630 |
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Comment text: Registration of Establishment Patent event date: 19980805 Patent event code: PR07011E01D |
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PR1002 | Payment of registration fee |
Payment date: 19980804 End annual number: 3 Start annual number: 1 |
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Payment date: 20010718 Year of fee payment: 4 |
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PR1001 | Payment of annual fee |
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LAPS | Lapse due to unpaid annual fee | ||
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Termination category: Default of registration fee Termination date: 20030610 |