KR940000251B1 - 자동차량 추적 장치의 워치도그 회로 - Google Patents
자동차량 추적 장치의 워치도그 회로 Download PDFInfo
- Publication number
- KR940000251B1 KR940000251B1 KR1019910001461A KR910001461A KR940000251B1 KR 940000251 B1 KR940000251 B1 KR 940000251B1 KR 1019910001461 A KR1019910001461 A KR 1019910001461A KR 910001461 A KR910001461 A KR 910001461A KR 940000251 B1 KR940000251 B1 KR 940000251B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- microcomputer
- timer
- control signal
- output
- Prior art date
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- 230000005540 biological transmission Effects 0.000 claims description 34
- 230000003321 amplification Effects 0.000 claims description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 230000007257 malfunction Effects 0.000 description 6
- 230000008054 signal transmission Effects 0.000 description 2
- 102100032533 ADP/ATP translocase 1 Human genes 0.000 description 1
- 101000768061 Escherichia phage P1 Antirepressor protein 1 Proteins 0.000 description 1
- 101000796932 Homo sapiens ADP/ATP translocase 1 Proteins 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
- Toys (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (2)
- 마이컴(10)과, 코드변조 및 증폭부(20)와, 고주파 전력 증폭기(30)를 구비한 자동차량 추적 시스템의 워치도그 회로에 있어서, 상기 마이컴(10)으로부터 전력증폭 제어신호(PAW)를 입력하여 두 프레임 송신시간(2Tt)동안 카운팅 출력하는 제1타이머(40)와, 상기 제1타이머(40)의 두 프레임 송신 시간(2Tt)동안 카운팅한 신호와, 상기 마이컴(10)으로부터 출력된 전력증폭 제어신호(PAW)를 각각 입력하여 상기 고주파 전력 증폭기(30)의 송신차단 제어신호를 발생하는 앤드게이트(AN1)와, 상기 앤드게이트(AN1)의 송신 차단 제어신호를 받아 상기 고주파 전력 증폭기(30)의 동작을 오프시키는 드라이브 회로(50)와, 상기 제1타이머(40)의 두 프레임 송신 시간(2Tt)동안 카운팅한 신호를 받아 한 프레임 송신 시간(Tt)동안 카운팅 출력하는 제2타이머(60)와, 상기 제2타이머(60)에서 한 프레임 송신 시간(Tt)동안 카운팅한 신호와 상기 마이컴(10)으로부터 출력된 전력증폭 제어신호(PAW)를 입력하여 상기 마이컴(10)의 리세트 신호를 발생하는 리세트 신호 발생부(70)로 구성됨을 특징으로 하는 워치도그 회로.
- 제1항에 있어서, 상기 리세트 신호 발생부(70)가, 상기 제2타이머(60)의 출력 신호와 상기 마이컴(10)의 전력증폭 제어신호(PAW)를 입력하여 리세트 발생 제어신호를 출력하는 앤드게이트(AN2)와, 상기 앤드게이트(AN2)의 출력신호에 따라 리세트 신호를 발생하는 원쇼트 회로(71)로 구성됨을 특징으로 하는 워치도그 회로.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910001461A KR940000251B1 (ko) | 1991-01-29 | 1991-01-29 | 자동차량 추적 장치의 워치도그 회로 |
US07/810,175 US5633630A (en) | 1991-01-29 | 1991-12-19 | Watchdog circuit of vehicle tracking system |
JP4001516A JPH04312030A (ja) | 1991-01-29 | 1992-01-08 | 自動車輛追跡装置のウォッチドッグ回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910001461A KR940000251B1 (ko) | 1991-01-29 | 1991-01-29 | 자동차량 추적 장치의 워치도그 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920015244A KR920015244A (ko) | 1992-08-26 |
KR940000251B1 true KR940000251B1 (ko) | 1994-01-12 |
Family
ID=19310417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910001461A KR940000251B1 (ko) | 1991-01-29 | 1991-01-29 | 자동차량 추적 장치의 워치도그 회로 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5633630A (ko) |
JP (1) | JPH04312030A (ko) |
KR (1) | KR940000251B1 (ko) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10361802B1 (en) | 1999-02-01 | 2019-07-23 | Blanding Hovenweep, Llc | Adaptive pattern recognition based control system and method |
US8352400B2 (en) | 1991-12-23 | 2013-01-08 | Hoffberg Steven M | Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore |
US7966078B2 (en) | 1999-02-01 | 2011-06-21 | Steven Hoffberg | Network media appliance system and method |
US8126889B2 (en) | 2002-03-28 | 2012-02-28 | Telecommunication Systems, Inc. | Location fidelity adjustment based on mobile subscriber privacy profile |
US7629926B2 (en) | 2004-10-15 | 2009-12-08 | Telecommunication Systems, Inc. | Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas |
US6985105B1 (en) | 2004-10-15 | 2006-01-10 | Telecommunication Systems, Inc. | Culled satellite ephemeris information based on limiting a span of an inverted cone for locating satellite in-range determinations |
US7825780B2 (en) * | 2005-10-05 | 2010-11-02 | Telecommunication Systems, Inc. | Cellular augmented vehicle alarm notification together with location services for position of an alarming vehicle |
US9167553B2 (en) | 2006-03-01 | 2015-10-20 | Telecommunication Systems, Inc. | GeoNexus proximity detector network |
US7471236B1 (en) | 2006-03-01 | 2008-12-30 | Telecommunication Systems, Inc. | Cellular augmented radar/laser detector |
US7899450B2 (en) | 2006-03-01 | 2011-03-01 | Telecommunication Systems, Inc. | Cellular augmented radar/laser detection using local mobile network within cellular network |
US8892128B2 (en) | 2008-10-14 | 2014-11-18 | Telecommunication Systems, Inc. | Location based geo-reminders |
WO2010044837A1 (en) | 2008-10-14 | 2010-04-22 | Telecommunication Systems, Inc. | Location based proximity alert |
US8336664B2 (en) | 2010-07-09 | 2012-12-25 | Telecommunication Systems, Inc. | Telematics basic mobile device safety interlock |
WO2012005769A1 (en) | 2010-07-09 | 2012-01-12 | Telecommunication Systems, Inc. | Location privacy selector |
US8649806B2 (en) | 2011-09-02 | 2014-02-11 | Telecommunication Systems, Inc. | Aggregate location dynometer (ALD) |
US8688174B2 (en) | 2012-03-13 | 2014-04-01 | Telecommunication Systems, Inc. | Integrated, detachable ear bud device for a wireless phone |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3469191A (en) * | 1966-08-31 | 1969-09-23 | Motorola Inc | Transmission time limiting |
US4242753A (en) * | 1978-03-01 | 1980-12-30 | Motorola, Inc. | Radio transmitter time out timer |
US4203070A (en) * | 1978-08-08 | 1980-05-13 | The Charles Stark Draper Laboratory, Inc. | Pseudo-random-number code detection and tracking system |
JPS60263235A (ja) * | 1984-06-12 | 1985-12-26 | Omron Tateisi Electronics Co | マイクロコンピユ−タシステム |
US4794620A (en) * | 1984-07-06 | 1988-12-27 | International Anasazi, Inc. | Radio frequency modem and method |
JPS63166321A (ja) * | 1986-12-27 | 1988-07-09 | Fujitsu Ten Ltd | 移動無線システムにおけるデ−タ収集方式 |
JPH01137853A (ja) * | 1987-11-25 | 1989-05-30 | Toshiba Corp | 通信制御システム |
US5081625A (en) * | 1988-10-05 | 1992-01-14 | Ford Motor Company | Watchdog circuit for use with a microprocessor |
US4982404A (en) * | 1988-10-12 | 1991-01-01 | American Standard Inc. | Method and apparatus for insuring operation of a multiple part system controller |
US4956842A (en) * | 1988-11-16 | 1990-09-11 | Sundstrand Corporation | Diagnostic system for a watchdog timer |
US5068654A (en) * | 1989-07-03 | 1991-11-26 | Hazard Detection Systems | Collision avoidance system |
JPH03232024A (ja) * | 1990-02-08 | 1991-10-16 | Zexel Corp | ウオッチドッグタイマ回路 |
-
1991
- 1991-01-29 KR KR1019910001461A patent/KR940000251B1/ko not_active IP Right Cessation
- 1991-12-19 US US07/810,175 patent/US5633630A/en not_active Expired - Fee Related
-
1992
- 1992-01-08 JP JP4001516A patent/JPH04312030A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US5633630A (en) | 1997-05-27 |
JPH04312030A (ja) | 1992-11-04 |
KR920015244A (ko) | 1992-08-26 |
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