JPS5141480B1 - - Google Patents
Info
- Publication number
- JPS5141480B1 JPS5141480B1 JP46046770A JP4677071A JPS5141480B1 JP S5141480 B1 JPS5141480 B1 JP S5141480B1 JP 46046770 A JP46046770 A JP 46046770A JP 4677071 A JP4677071 A JP 4677071A JP S5141480 B1 JPS5141480 B1 JP S5141480B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
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
- G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
- G08B13/1627—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means using Doppler shift detection circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Burglar Alarm Systems (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5023370A | 1970-06-26 | 1970-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5141480B1 true JPS5141480B1 (enExample) | 1976-11-10 |
Family
ID=21964106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46046770A Pending JPS5141480B1 (enExample) | 1970-06-26 | 1971-06-26 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3638210A (enExample) |
| JP (1) | JPS5141480B1 (enExample) |
| CA (1) | CA940222A (enExample) |
| DE (1) | DE2131113A1 (enExample) |
| FR (1) | FR2096792B1 (enExample) |
| GB (1) | GB1320993A (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3753116A (en) * | 1970-10-20 | 1973-08-14 | California Inst Of Techn | Pocket size microwave radiation hazard detector |
| US3781859A (en) * | 1972-04-19 | 1973-12-25 | Seabroad Electric | Controlled wave pattern ultrasonic burglar alarm |
| US3800270A (en) * | 1972-07-12 | 1974-03-26 | Johnson Service Co | Piezoelectric acoustical transducer for transmitting and receiving |
| US3828336A (en) * | 1973-07-12 | 1974-08-06 | Dynamics Corp Massa Div | Intrusion alarm system with improved air turbulence compensation |
| US3866198A (en) * | 1973-10-17 | 1975-02-11 | Leopold Cohen | Ultrasonic intrusion detection systems employing turbulence discrimination |
| US4114146A (en) * | 1975-09-13 | 1978-09-12 | Matsushita Electric Works, Ltd. | Ultrasonic wave watching device of moving object detecting type |
| US4129856A (en) * | 1976-11-15 | 1978-12-12 | Contronic Controls Limited | Filter system and method for intrusion alarm |
| DE3138723A1 (de) * | 1981-09-29 | 1983-04-07 | Siemens AG, 1000 Berlin und 8000 München | Echosignal-auswerteverfahren zur einbruchssicherung nach dem ultraschall-dopplerverfahren und schaltungsanordnung zur durchfuehrung des echosignal-auswerteverfahrens |
| GB8617124D0 (en) * | 1986-07-15 | 1986-08-20 | Mace R J | Vehicle protection apparatus |
| GB2310720B (en) * | 1996-02-29 | 2000-07-12 | Denso Corp | Intrusion detecting apparatus for a vehicle |
| KR20200096590A (ko) | 2017-12-07 | 2020-08-12 | 퓨리파이 에이피에스 | 제어 루프에서 적어도 2차 필터를 갖는 증폭기 |
| CN111448755A (zh) * | 2017-12-07 | 2020-07-24 | 普立菲有限公司 | 具有带至少三阶网络的补偿器的放大器 |
| KR20200096278A (ko) | 2017-12-07 | 2020-08-11 | 퓨리파이 에이피에스 | 증폭기 회로 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2714205A (en) * | 1945-03-24 | 1955-07-26 | Grayson Harry | Radar apparatus for distinguishing between moving and stationary objects |
| US2655645A (en) * | 1947-09-26 | 1953-10-13 | Alertronic Corp | Method and apparatus for detecting motion in a confined space |
| US2769972A (en) * | 1954-03-15 | 1956-11-06 | American District Telegraph Co | Method and apparatus for detecting motion |
| US3081433A (en) * | 1960-12-07 | 1963-03-12 | Sperry Rand Corp | Two-stage frequency detecting device employing a radiation sensitive input means |
| GB954536A (en) * | 1961-08-05 | 1964-04-08 | Sylvania Electric Prod | Intrusion alarm system |
| US3242486A (en) * | 1962-04-20 | 1966-03-22 | Johnson Service Co | Intrusion detection system |
| US3293631A (en) * | 1962-12-03 | 1966-12-20 | Honeywell Inc | Detection apparatus |
| US3418649A (en) * | 1966-02-18 | 1968-12-24 | Boeing Co | Intruder detection system |
| US3383678A (en) * | 1966-12-23 | 1968-05-14 | Advanced Devices Lab Inc | Moving object detection system |
| US3452289A (en) * | 1967-02-16 | 1969-06-24 | Motorola Inc | Differential amplifier circuits |
-
1970
- 1970-06-26 US US50233A patent/US3638210A/en not_active Expired - Lifetime
-
1971
- 1971-06-21 GB GB2898671A patent/GB1320993A/en not_active Expired
- 1971-06-23 CA CA116,475A patent/CA940222A/en not_active Expired
- 1971-06-23 DE DE19712131113 patent/DE2131113A1/de active Pending
- 1971-06-25 FR FR7123278A patent/FR2096792B1/fr not_active Expired
- 1971-06-26 JP JP46046770A patent/JPS5141480B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2096792B1 (enExample) | 1975-02-21 |
| CA940222A (en) | 1974-01-15 |
| GB1320993A (en) | 1973-06-20 |
| DE2131113A1 (de) | 1972-01-27 |
| US3638210A (en) | 1972-01-25 |
| FR2096792A1 (enExample) | 1972-02-25 |