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GB1246738A - Antenna system for capacitance responsive circuit - Google Patents

Antenna system for capacitance responsive circuit

Info

Publication number
GB1246738A
GB1246738A GB60969/69A GB6096969A GB1246738A GB 1246738 A GB1246738 A GB 1246738A GB 60969/69 A GB60969/69 A GB 60969/69A GB 6096969 A GB6096969 A GB 6096969A GB 1246738 A GB1246738 A GB 1246738A
Authority
GB
United Kingdom
Prior art keywords
ring electrode
antenna
urinal
dec
coaxial cable
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
GB60969/69A
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.)
Wagner Electric Corp
Original Assignee
Wagner Electric Corp
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 Wagner Electric Corp filed Critical Wagner Electric Corp
Publication of GB1246738A publication Critical patent/GB1246738A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/955—Proximity switches using a capacitive detector

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Support Of Aerials (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Abstract

1, 246, 738. Detecting presence. WAGNER ELECTRIC CORP. Dec. 15, 1969 [Dec. 16, 1968], No.60969/69. Addition to 1, 195, 288, Heading G1N. In a capacitance-responsive proximity detector circuit for use in automatically flushing a urinal, the antenna 14 is surrounded by a ring electrode 15 and an electrically conductive shield 16 is connected via tab 17 and spring contact 19 to the ring electrode and hangs from hooks 18 which engage electrically insulating protrusions 44, 46 on the earthed back plate 30. The antenna 14 is connected via spring 28 and the central conductor of a coaxial cable 22 to the rest of the circuit in box 40. The ring electrode 15 and shield 16 are connected to the outer conductor of the coaxial cable. An adjustable capacitor (not shown) is connected between the inner and outer conductors of the cable 22. A dielectric encasement 10 encloses the apparatus which in use is placed on the top ledge of the urinal. 52 denotes the water pipe.
GB60969/69A 1968-12-16 1969-12-15 Antenna system for capacitance responsive circuit Expired GB1246738A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78681968A 1968-12-16 1968-12-16

Publications (1)

Publication Number Publication Date
GB1246738A true GB1246738A (en) 1971-09-15

Family

ID=25139674

Family Applications (1)

Application Number Title Priority Date Filing Date
GB60969/69A Expired GB1246738A (en) 1968-12-16 1969-12-15 Antenna system for capacitance responsive circuit

Country Status (4)

Country Link
US (1) US3593073A (en)
DE (1) DE1962815B2 (en)
FR (1) FR2033208A6 (en)
GB (1) GB1246738A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838318A (en) * 1973-04-02 1974-09-24 Gen Electric Antenna assembly for a capacitance-responsive safety device
US4011836A (en) * 1975-09-22 1977-03-15 Franklin Temel Pet commode
US4090092A (en) * 1976-07-16 1978-05-16 General Electric Company Shielding arrangement for a capacitive touch switch device
US4309781A (en) * 1980-05-09 1982-01-12 Sloan Valve Company Automatic flushing system
US4748390A (en) * 1984-09-19 1988-05-31 Omron Tateisi Electronics Co. Capacitive-type detection device
US5251340A (en) * 1992-03-09 1993-10-12 Su Land Liao Flush toilet with an automatic sterilizing device
KR20050013705A (en) * 2003-07-29 2005-02-05 삼성전자주식회사 Built-in antenna device for portable terminal
US7320146B2 (en) * 2005-05-12 2008-01-22 Sloan Valve Company Sensor plate for electronic flushometer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2802178A (en) * 1954-09-22 1957-08-06 Gen Electric Motion detecting device
US2826272A (en) * 1955-06-15 1958-03-11 Toledo Scale Corp Safety controls for elevator door closing mechanism
US3031617A (en) * 1958-08-13 1962-04-24 Donald R Paquette Linear capacitive probe detecting device
US3324647A (en) * 1964-08-11 1967-06-13 Parmet Company Proximity detector
US3400331A (en) * 1965-01-18 1968-09-03 Pratt & Whitney Inc Gaging device including a probe having a plurality of concentric and coextensive electrodes
US3434164A (en) * 1967-01-12 1969-03-25 American Standard Inc Proximity-flushed urinal

Also Published As

Publication number Publication date
US3593073A (en) 1971-07-13
DE1962815A1 (en) 1970-10-08
FR2033208A6 (en) 1970-12-04
DE1962815B2 (en) 1972-04-06

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