DE2260618C3 - Alarmeinrichtung - Google Patents
AlarmeinrichtungInfo
- Publication number
- DE2260618C3 DE2260618C3 DE2260618A DE2260618A DE2260618C3 DE 2260618 C3 DE2260618 C3 DE 2260618C3 DE 2260618 A DE2260618 A DE 2260618A DE 2260618 A DE2260618 A DE 2260618A DE 2260618 C3 DE2260618 C3 DE 2260618C3
- Authority
- DE
- Germany
- Prior art keywords
- signal
- detector
- alarm
- transistor
- circuit
- 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
Links
- 230000010363 phase shift Effects 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical group C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 claims 1
- 238000010079 rubber tapping Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 30
- 239000002131 composite material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 241000699670 Mus sp. Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 241000881711 Acipenser sturio Species 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 239000013641 positive control Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
- G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
- Fixing For Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20746671A | 1971-12-13 | 1971-12-13 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2260618A1 DE2260618A1 (de) | 1973-06-20 |
| DE2260618B2 DE2260618B2 (de) | 1980-12-11 |
| DE2260618C3 true DE2260618C3 (de) | 1981-09-24 |
Family
ID=22770666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2260618A Expired DE2260618C3 (de) | 1971-12-13 | 1972-12-12 | Alarmeinrichtung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3754222A (enExample) |
| JP (1) | JPS566039B2 (enExample) |
| CA (1) | CA964759A (enExample) |
| DE (1) | DE2260618C3 (enExample) |
| FR (1) | FR2163463B1 (enExample) |
| GB (1) | GB1414505A (enExample) |
| IT (1) | IT973963B (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50140390U (enExample) * | 1974-05-02 | 1975-11-19 | ||
| US3944934A (en) * | 1974-11-21 | 1976-03-16 | Milwaukee Resistor Corporation | False triggering prevention circuit |
| US4097853A (en) * | 1976-09-20 | 1978-06-27 | Milwaukee Resistor Corporation | Means for distinguishing motion from noise in an intrusion alarm system |
| US4129856A (en) * | 1976-11-15 | 1978-12-12 | Contronic Controls Limited | Filter system and method for intrusion alarm |
| US4107684A (en) * | 1977-05-02 | 1978-08-15 | E-Systems, Inc. | Phase locked detector |
| JPS61941A (ja) * | 1984-06-13 | 1986-01-06 | Matsushita Electric Ind Co Ltd | 半導体レ−ザ光ピツクアツプ装置 |
| GB2302406B (en) * | 1995-06-19 | 1999-08-25 | Bright Star Entpr Ltd | Apparatus for detecting the breaching of a closed environment |
| US6040765A (en) * | 1998-01-23 | 2000-03-21 | Armatron International, Inc. | Obstacle detection system built-in test method and apparatus |
| US7245315B2 (en) * | 2002-05-20 | 2007-07-17 | Simmonds Precision Products, Inc. | Distinguishing between fire and non-fire conditions using cameras |
| US7256818B2 (en) * | 2002-05-20 | 2007-08-14 | Simmonds Precision Products, Inc. | Detecting fire using cameras |
| US7280696B2 (en) * | 2002-05-20 | 2007-10-09 | Simmonds Precision Products, Inc. | Video detection/verification system |
| AU2003251302A1 (en) * | 2002-05-20 | 2003-12-22 | Simmonds Precision Products, Inc. | Video detection verification system |
| US7535351B2 (en) | 2006-07-24 | 2009-05-19 | Welles Reymond | Acoustic intrusion detection system |
| US9997035B1 (en) | 2017-03-01 | 2018-06-12 | Samuel L. Thomasson | Acoustic security system and method |
| CN113450537B (zh) * | 2021-06-25 | 2023-05-30 | 北京小米移动软件有限公司 | 跌倒检测方法、装置、电子设备和存储介质 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US25100A (en) * | 1859-08-16 | de fokest | ||
| US2066156A (en) * | 1929-04-25 | 1936-12-29 | Muffly Glenn | Signaling means |
| US2541066A (en) * | 1943-11-24 | 1951-02-13 | Sperry Corp | Object detecting and warning system and method |
| US2791756A (en) * | 1946-06-11 | 1957-05-07 | Leon G S Wood | Target doppler indicator |
| USRE25100E (en) * | 1954-04-13 | 1961-12-19 | chapin | |
| US3394342A (en) * | 1965-09-13 | 1968-07-23 | Walker Philip Hulme | Ultrasonic object detection systems |
| DE1791060C3 (de) * | 1968-09-05 | 1975-08-14 | Alois Zettler Elektrotechnische Fabrik Gmbh, 8000 Muenchen | Elektroakustische Anlage |
| US3582870A (en) * | 1969-03-10 | 1971-06-01 | Normda Ind Inc | Ultrasonic detection system |
| US3585577A (en) * | 1969-06-12 | 1971-06-15 | Southwest Res Inst | Ultrasonic transceiver |
-
1971
- 1971-12-13 US US00207466A patent/US3754222A/en not_active Expired - Lifetime
-
1972
- 1972-11-06 CA CA155,694A patent/CA964759A/en not_active Expired
- 1972-11-06 GB GB5114272A patent/GB1414505A/en not_active Expired
- 1972-11-30 FR FR7242640A patent/FR2163463B1/fr not_active Expired
- 1972-12-07 IT IT54568/72A patent/IT973963B/it active
- 1972-12-12 DE DE2260618A patent/DE2260618C3/de not_active Expired
- 1972-12-13 JP JP12514072A patent/JPS566039B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA964759A (en) | 1975-03-18 |
| IT973963B (it) | 1974-06-10 |
| FR2163463B1 (enExample) | 1977-08-26 |
| DE2260618B2 (de) | 1980-12-11 |
| JPS4866795A (enExample) | 1973-09-12 |
| JPS566039B2 (enExample) | 1981-02-09 |
| FR2163463A1 (enExample) | 1973-07-27 |
| DE2260618A1 (de) | 1973-06-20 |
| US3754222A (en) | 1973-08-21 |
| GB1414505A (en) | 1975-11-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |