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1. (CN101218608) Access control system for a motor vehicle

Office : China
Application Number: 200680025018.0 Application Date: 18.05.2006
Publication Number: 101218608 Publication Date: 09.07.2008
Publication Kind : A
Prior PCT appl.: Application Number:PCTDE2006000865 ; Publication Number:2007006245 Click to see the data
IPC:
G07C 9/00
G PHYSICS
07
CHECKING-DEVICES
C
TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS, OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
9
Individual entry or exit registers
CPC:
H01Q 1/3241
G07C 9/00309
G07C 2009/00793
Applicants: Conti Temic Microelectronic
康蒂特米克微电子有限公司
Inventors: Tenconi Bernard
伯纳德·藤科尼
Agents: zhaobing
中国国际贸易促进委员会专利商标事务所
Priority Data: 102005032379.0 08.07.2005 DE
Title: (EN) Access control system for a motor vehicle
(ZH) 用于机动车的进入控制系统
Abstract: front page image
(EN) The invention relates to an access control device for a motor vehicle. Said device is composed of at least one transmitter unit arranged in the motor vehicle and at least one receiver unit, which units are controlled by means of at least one microcomputer unit. The receiver unit is used to receive UHF signals and the transmitter unit to transmit low frequency long wave signals. Furthermore, a closing unit is provided which is actuated by means of the microcomputer unit and when a matching code is present the closing device releases the access to the motor vehicle. The transmitter unit has two coupled LC bandpass filters, the first bandpass filter comprising, as a pre-filter, a first coil and a first capacitor group composed of at least one capacitor, and the second bandpass filter comprising the LF-antenna as an inductor and a second capacitor group composed of at least one capacitor. A multiplexer by means of which the antennas are successively connected to the transmitter unit using a multiplex method is provided between the first and second bandpass filters.
(ZH)

本发明涉及一种用于机动车的进入控制系统。它包括至少一个安置在机动车上的发射单元和至少一个接收单元,它们受控于至少一个微机单元。其中接收单元用于接收UHF信号,发射单元用于发射低频长波信号。另外还有一个闭锁单元,它也受控于微机单元,当代码一致时,闭锁装置就打开机动车的进入入口。发射单元具有两个耦合的LC带通滤波器,其中第一个带通是预滤波器,由第一线圈和至少包括一个电容器的第一电容器组组成,第二个带通由用作电感的LF天线和至少包括一个电容器的第二电容器组组成。最好在第一和第二个带通之间存在一个多路器,通过它以多路复用方法把天线按先后顺序分别与发射单元相连接。


Also published as:
EP1902426JP2009500247US20090261946WO/2007/006245