JPS628048B2 - - Google Patents

Info

Publication number
JPS628048B2
JPS628048B2 JP55173293A JP17329380A JPS628048B2 JP S628048 B2 JPS628048 B2 JP S628048B2 JP 55173293 A JP55173293 A JP 55173293A JP 17329380 A JP17329380 A JP 17329380A JP S628048 B2 JPS628048 B2 JP S628048B2
Authority
JP
Japan
Prior art keywords
circuit
coil
sensing
oscillation
high frequency
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
JP55173293A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5798929A (en
Inventor
Kenichi Hayashida
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.)
TSUUDEN KK
Original Assignee
TSUUDEN KK
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
Application filed by TSUUDEN KK filed Critical TSUUDEN KK
Priority to JP55173293A priority Critical patent/JPS5798929A/ja
Publication of JPS5798929A publication Critical patent/JPS5798929A/ja
Publication of JPS628048B2 publication Critical patent/JPS628048B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electronic Switches (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
JP55173293A 1980-12-10 1980-12-10 Proximity switching device for automatic door Granted JPS5798929A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55173293A JPS5798929A (en) 1980-12-10 1980-12-10 Proximity switching device for automatic door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55173293A JPS5798929A (en) 1980-12-10 1980-12-10 Proximity switching device for automatic door

Publications (2)

Publication Number Publication Date
JPS5798929A JPS5798929A (en) 1982-06-19
JPS628048B2 true JPS628048B2 (enExample) 1987-02-20

Family

ID=15957752

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55173293A Granted JPS5798929A (en) 1980-12-10 1980-12-10 Proximity switching device for automatic door

Country Status (1)

Country Link
JP (1) JPS5798929A (enExample)

Also Published As

Publication number Publication date
JPS5798929A (en) 1982-06-19

Similar Documents

Publication Publication Date Title
US6118249A (en) Charger with inductive power transmission for batteries in a mobile electrical device
RU2488923C2 (ru) Устройство типа передатчика и/или приемника электрических радиосигналов
US4044299A (en) Concealed structure locating and surveying translator apparatus
KR20130105485A (ko) 검출 및 근거리 통신 장치
US3873847A (en) Control system for an electrified fence
US4621258A (en) Proximity detecting apparatus
JPS628048B2 (enExample)
US4484183A (en) Method and system for detection of the presence, removal, or absence of a metal body
US3866144A (en) Microwave oscillator
US4475089A (en) Proximity detector
US3697975A (en) Remotely controlled switching system
CN115004509A (zh) 用于高频率近场通信且用于对便携式电子设备进行感应充电的装置
JPS628049B2 (enExample)
US7193522B2 (en) Apparatus and circuit for use with capacitive presence detection systems
JPH0113662B2 (enExample)
JPH0226414B2 (enExample)
US2640978A (en) Capacity actuated burglar alarm
EP3294588A1 (en) Wireless battery charging system varying magnetic field frequency to maintain a desire voltage-current phase relationship
JPH0730656B2 (ja) 自動ドアの制御装置
JPH048891B2 (enExample)
US2958018A (en) Capacitance operated electronic control
US3555368A (en) Capacity sensing means for automatic flushing systems and the like
JPS61142267A (ja) 自動ドアの制御装置
KR20020062318A (ko) 차단 송신 및/또는 수신 안테나
WO1988007732A1 (en) Microwave proximity sensor