CN1489300A - Programmed safer door-opening device for garage - Google Patents
Programmed safer door-opening device for garage Download PDFInfo
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- CN1489300A CN1489300A CNA021384223A CN02138422A CN1489300A CN 1489300 A CN1489300 A CN 1489300A CN A021384223 A CNA021384223 A CN A021384223A CN 02138422 A CN02138422 A CN 02138422A CN 1489300 A CN1489300 A CN 1489300A
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Abstract
Door opener comprises at least two pieces of radio emitter, radio receiver, memory, mode indicator, and processor. The said radio receiver comprises signal selection loop, signal amplifying loop, and signal demodulation loop. When the processor responds to programming mode, magnification of signal multiplication loop is N1; when the processor responds to operating mode, magnification of signal multiplication loop is N2. N2 is larger than N1. Processor controls different sensitivity utilized for programming mode and operating mode of the radio receiver in order to raise programming safety of radio emitter, but not affect normal use of users.
Description
Technical field
The present invention relates to a kind of garage door opener.
Background technology
In the prior art, U.S. Pat RE.36703E " coded system that is used for a plurality of reflectors and a receiver of garage door opener " provides a kind of door opener, door opener comprises the control of fence (door) position: at least one radio frequency emissions device, produce one and can not come transmitting radio frequency signal by the coding that the user changes, a radio frequency receivers, receive the signal that first radio frequency emissions device sends, and receive the signal that second radio frequency emissions device sends, second radio frequency emissions device also has a coding that can not be changed by the user, and different with first; A programming mode indicating device is specified programming mode; A memory comprises a plurality of memory addresss; A processor, processor of this processor band by the control of coded address pointer, and respond a programming mode, this programming mode is specified by above-mentioned programming mode indicating device, and response is by above-mentioned radio frequency receivers, receive the above-mentioned radio frequency signals that first is mentioned emission, be used to store first memory encoding, corresponding to first radio frequency emissions device of mentioning, in one in above-mentioned a plurality of memory addresss, memory address is obtained from the processor of coded address pointer control.Processor responds the specified programming mode indication of above-mentioned programming mode indicating device, and respond the reception of the receiver of above-mentioned second radio frequency signals emission, be used to store second memory encoding, corresponding to second radio frequency emissions device, in in above-mentioned a plurality of memory addresss another, memory address is obtained from the processor of coded address pointer control.Processor responds a kind of operator scheme, and responds the reception of first radio frequency emissions of mentioning, behind above-mentioned first memory encoding of storage, is used for moving door.Response aforesaid operations pattern, and respond the reception of above-mentioned second radio frequency emissions behind storage above-mentioned first and second memory encoding, is used for moving door.The shortcoming of this technology is: the shared radio receiver of programming mode and operator scheme, and this radio receiver is when programming mode and operator scheme, keep identical receiving sensitivity, therefore the user is when doing programing work, when if the remote transmit coded signals of other transmitting set is arranged, the coding of that transmitting set is also remembered in memory so, causes the hidden danger of learning by mistake and bringing.
Summary of the invention
The object of the present invention is to provide a kind of safer garage door opener of programming, by processor control radio receiver when programming mode and the operator scheme, adopt different receiving sensitivities, both improved the fail safe of transmitting set programming, do not influence user's normal use again.
Technical scheme of the present invention is: a kind of safer garage door opener of programming comprises:
At least two transmitting sets, this transmitting set produce and can not transmit radio signal by the coding that the user changes;
A radio receiver, this radio receiver is used for receiving the code signal that first transmitting set sends, also receive the code signal that second transmitting set sends, the coding of second transmitting set generation is different with the coding that first transmitting set produces;
A memory, this memory comprises a plurality of memory addresss, stores respectively in described different memory addresss corresponding to the coding of first transmitting set and the coding of second transmitting set;
A mode indicator is used for processor controls response programming mode or operator scheme;
A processor, the above-mentioned mode indicator of this processor response, enter programming mode: described radio receiver receives above-mentioned first transmitting set coding signal transmitted, and be stored in the memory, described radio receiver also receives above-mentioned second transmitting set coding signal transmitted, and is stored in the memory; The above-mentioned mode indicator of described processor response, enter operator scheme: after the signal of above-mentioned first transmitting set emission is received by described radio receiver, the described processor signal that transmission comes to radio receiver is decoded, and compare with the coding of first transmitting set of store memory storage, affirmation is complementary, after send the action of signal controlling garage door; After the signal of above-mentioned second transmitting set emission is received by described radio receiver, described processor also can be decoded to the signal that the radio receiver transmission comes, and compare with the coding of second transmitting set of store memory storage, send a signal controlling garage door action after confirming to be complementary;
Described radio receiver comprises signal selection loop, signal amplifying return circuit, signal demodulation circuit;
When described processor responded programming mode, described magnification of signal multiplication loop was N1; During described processor operation response pattern, described magnification of signal multiplication loop is N2, and N2 is greater than N1.
The present invention compared with prior art has following advantage:
Can improve security of system: the processor control radio receiver in the door opener any more adopts low multiplication factor at programming mode, make the sensitivity step-down of receiver, each transmitting set must closely or in the safe distance programmed, and makes radio receiver accept each transmitting set coding signal transmitted and store.During operator scheme, processor control radio receiver adopts high multiplication factor, receiving sensitivity improves, then radio receiver can receive code signal that transmitting set far away sends so that door is opened, both improve the fail safe of transmitting set programming, do not influenced user's normal use again.
Description of drawings
Accompanying drawing 1 is a circuit block diagram of the present invention;
Accompanying drawing 2 is the circuit block diagram of radio receiver; Wherein:
[1], first transmitting set; [2], second transmitting set; [3], radio receiver; [4], memory; [5], processor; [6], garage door; [7], mode indicator; [8], signal is selected the loop; [9], signal amplifying return circuit; [10], signal demodulation circuit;
Embodiment
Referring to accompanying drawing 1, a kind of safer garage door opener of programming comprises:
At least two transmitting sets, this transmitting set produce and can not transmit radio signal by the coding that the user changes;
A radio receiver 3, this radio receiver 3 is used for receiving the code signal that first transmitting set 1 sends, also receive the code signal that second transmitting set 2 sends, the coding of second transmitting set 2 generation is different with the coding that first transmitting set 1 produces;
A memory 4, this memory 4 comprises a plurality of memory addresss, stores respectively in described different memory addresss corresponding to the coding of first transmitting set 1 and the coding of second transmitting set 2;
A mode indicator 7 is used for processor controls 5 response programming mode or operator schemes;
A processor 5, the above-mentioned mode indicator 7 of this processor response, enter programming mode: described radio receiver 3 receives above-mentioned first transmitting set 1 coding signal transmitted, and be stored in the memory 4, described radio receiver 3 also receives above-mentioned second transmitting set 2 coding signal transmitted, and is stored in the memory 4; The above-mentioned mode indicator 7 of described processor 5 responses, enter operator scheme: after the signal of above-mentioned first transmitting set 1 emission is received by described radio receiver 3, the signal that 3 transmission of 5 pairs of radio receivers of described processor come is decoded, and compare with the coding of first transmitting set 1 of memory 4 stored, confirm to send 6 actions of a signal controlling garage door after the coupling; After the signal of above-mentioned second transmitting set, 2 emissions is received by described radio receiver 3, described processor 5 also can be decoded to the signal that radio receiver 3 transmission come, and compare with the coding of second transmitting set 2 of memory 4 stored, send 6 actions of a signal controlling garage door after confirming to be complementary;
Referring to accompanying drawing 2, described radio receiver 3 comprises signal selection loop 8, signal amplifying return circuit 9, signal demodulation circuit 10;
When described processor 5 responded programming modes, the multiplication factor of described signal amplifying return circuit 9 was N1; During described processor operation response pattern, described magnification of signal multiplication loop is N2, and N2 is greater than N1.
Multiplication factor by signal amplifying return circuit 9 in the described radio receiver 3 of processor 5 controls, when carrying out programming mode by such method, the receiving sensitivity of radio receiver 3 is lower, as can only receiving 1 meter signal, thereby avoid learning the coding of other transmitting set with the emission of interior transmitting set.And during operator scheme, the receiving sensitivity of radio receiver 3 is higher, for example can receive 30 meters beyond the signals of transmitting set emission, guarantee the operate as normal of system.
The method of the receiving sensitivity of change radio receiver 3 is a lot: as the variable capacitance diode of connecting at signal amplifying return circuit 9, the voltage of this variable capacitance diode is controlled by above-mentioned processor 5, because change in voltage causes the variation of capacitance, thereby change the impedance of signal amplifying return circuit, finally change the receiving sensitivity of radio receiver 3.Perhaps in signal amplifying return circuit 9, the amplifying circuit of being made up of triode is set, comes the control sets electrode voltage, thereby change the multiplication factor of triode, finally change the receiving sensitivity of radio receiver by processor 5.
Claims (1)
- A kind of safer garage door opener of programming comprises:At least two transmitting sets, this transmitting set produce and can not transmit radio signal by the coding that the user changes;A radio receiver, this radio receiver is used for receiving the code signal that first transmitting set sends, also receive the code signal that second transmitting set sends, the coding of second transmitting set generation is different with the coding that first transmitting set produces;A memory, this memory comprises a plurality of memory addresss, stores respectively in described different memory addresss corresponding to the coding of first transmitting set and the coding of second transmitting set;A mode indicator is used for processor controls response programming mode or operator scheme;A processor, the above-mentioned mode indicator of this processor response, enter programming mode: described radio receiver receives above-mentioned first transmitting set coding signal transmitted, and be stored in the memory, described radio receiver also receives above-mentioned second transmitting set coding signal transmitted, and is stored in the memory; The above-mentioned mode indicator of described processor response, enter operator scheme: after the signal of above-mentioned first transmitting set emission is received by described radio receiver, the described processor signal that transmission comes to radio receiver is decoded, and compare with the coding of first transmitting set of store memory storage, send a signal controlling garage door action after confirming to be complementary; After the signal of above-mentioned second transmitting set emission is received by described radio receiver, described processor also can be decoded to the signal that the radio receiver transmission comes, and compare with the coding of second transmitting set of store memory storage, send a signal controlling garage door action after confirming to be complementary;Described radio receiver comprises signal selection loop, signal amplifying return circuit, signal demodulation circuit;It is characterized in that: when described processor responded programming mode, described magnification of signal multiplication loop was N1; During described processor operation response pattern, described magnification of signal multiplication loop is N2, and N2 is greater than N1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02138422 CN1258265C (en) | 2002-10-09 | 2002-10-09 | Programmed safer door-opening device for garage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02138422 CN1258265C (en) | 2002-10-09 | 2002-10-09 | Programmed safer door-opening device for garage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1489300A true CN1489300A (en) | 2004-04-14 |
| CN1258265C CN1258265C (en) | 2006-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02138422 Expired - Fee Related CN1258265C (en) | 2002-10-09 | 2002-10-09 | Programmed safer door-opening device for garage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1258265C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107633686A (en) * | 2016-07-19 | 2018-01-26 | 罗伯特·博世有限公司 | Method and apparatus for certification motor vehicle |
-
2002
- 2002-10-09 CN CN 02138422 patent/CN1258265C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107633686A (en) * | 2016-07-19 | 2018-01-26 | 罗伯特·博世有限公司 | Method and apparatus for certification motor vehicle |
| CN107633686B (en) * | 2016-07-19 | 2022-05-13 | 罗伯特·博世有限公司 | Method and device for authenticating a motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1258265C (en) | 2006-05-31 |
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