CA1160314A - Systeme avertisseur d'effraction - Google Patents

Systeme avertisseur d'effraction

Info

Publication number
CA1160314A
CA1160314A CA000368501A CA368501A CA1160314A CA 1160314 A CA1160314 A CA 1160314A CA 000368501 A CA000368501 A CA 000368501A CA 368501 A CA368501 A CA 368501A CA 1160314 A CA1160314 A CA 1160314A
Authority
CA
Canada
Prior art keywords
antenna
signal
frequency
oscillator
output
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
Application number
CA000368501A
Other languages
English (en)
Inventor
Hiromitsu Inoue
Yuji Takada
Hiroshi Ohashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP332780A external-priority patent/JPS56101292A/ja
Priority claimed from JP333080A external-priority patent/JPS56101294A/ja
Priority claimed from JP333180A external-priority patent/JPS56101295A/ja
Priority claimed from JP332880A external-priority patent/JPS56100302A/ja
Priority claimed from JP10237880A external-priority patent/JPS5727390A/ja
Priority claimed from JP55168918A external-priority patent/JPS603625B2/ja
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Application granted granted Critical
Publication of CA1160314A publication Critical patent/CA1160314A/fr
Expired legal-status Critical Current

Links

CA000368501A 1980-01-15 1981-01-14 Systeme avertisseur d'effraction Expired CA1160314A (fr)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP55-3328 1980-01-15
JP55-3331 1980-01-15
JP332780A JPS56101292A (en) 1980-01-15 1980-01-15 Electric field type human body detector
JP55-3327 1980-01-15
JP333080A JPS56101294A (en) 1980-01-15 1980-01-15 Electric field type human body detector
JP333180A JPS56101295A (en) 1980-01-15 1980-01-15 Electric field type detector for moving body
JP332880A JPS56100302A (en) 1980-01-15 1980-01-15 Object detector for electric field type mobile body
JP55-3330 1980-01-15
JP10237880A JPS5727390A (en) 1980-07-28 1980-07-28 Detecting line supporting device for electric field type human body detector
JP55-102378 1980-07-28
JP55-168918 1980-11-28
JP55168918A JPS603625B2 (ja) 1980-11-28 1980-11-28 電界式人体検知器

Publications (1)

Publication Number Publication Date
CA1160314A true CA1160314A (fr) 1984-01-10

Family

ID=27547762

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000368501A Expired CA1160314A (fr) 1980-01-15 1981-01-14 Systeme avertisseur d'effraction

Country Status (1)

Country Link
CA (1) CA1160314A (fr)

Similar Documents

Publication Publication Date Title
US4366473A (en) Capacitively coupled electromagnetic intrusion warning system
US5463376A (en) System and method for synchronizing a receiver of an electronic article surveillance system and a transmitter thereof
CA1216340A (fr) Detecteur d'effraction
US4751516A (en) Antenna system for magnetic and resonant circuit detection
US3184730A (en) Intrusion detection system
US4866455A (en) Antenna system for magnetic and resonant circuit detection
CA2091790A1 (fr) Methode et systeme de surveillance electromagnetique pour zone de securite
JPS6027096A (ja) イントロゲ−シヨン区域内のタ−ゲツトの検出方法及び装置
NL8200138A (nl) Detectiestelsel.
US4064499A (en) Intrusion warning system utilizing an electric field
GB2069206A (en) Intrusion warning systems
US3508238A (en) Intrusion detection system
US5223817A (en) Alarm signal processing means
CA1160314A (fr) Systeme avertisseur d'effraction
RU2209467C2 (ru) Устройство и способ обнаружения проникновения человека через контур запрещенной зоны
US3778807A (en) Capacitive intrusion detection system with balanced resonant circuits
WO1988008595A1 (fr) Detecteur de proximite a capacitance
CA1161517A (fr) Systeme avertisseur d'effraction
US4254413A (en) E Field balanced phase intrusion alarm
WO1988005950A1 (fr) Systeme d'alarme avertisseur d'intrusion
RU2071121C1 (ru) Устройство для охранной сигнализации
RU2138855C1 (ru) Элемент сигнализации
GB2137789A (en) Intrusion detector installation
CA2007310A1 (fr) Systeme ameliore de surveillance electronique
EP0045335A1 (fr) Alarme d'intrusion utilisant un champ E à phase balancée

Legal Events

Date Code Title Description
MKEX Expiry