GB1287752A - Road vehicle electrical control systems - Google Patents

Road vehicle electrical control systems

Info

Publication number
GB1287752A
GB1287752A GB1379169A GB1379169A GB1287752A GB 1287752 A GB1287752 A GB 1287752A GB 1379169 A GB1379169 A GB 1379169A GB 1379169 A GB1379169 A GB 1379169A GB 1287752 A GB1287752 A GB 1287752A
Authority
GB
United Kingdom
Prior art keywords
aerial
transistor
relay
operate
control systems
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
GB1379169A
Inventor
William David Holt
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
Joseph Lucas Industries 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
Application filed by Lucas Industries Ltd, Joseph Lucas Industries Ltd filed Critical Lucas Industries Ltd
Priority to GB1379169A priority Critical patent/GB1287752A/en
Priority to AU11205/70A priority patent/AU1120570A/en
Priority to ES377848A priority patent/ES377848A1/en
Priority to DE19702011646 priority patent/DE2011646A1/en
Priority to FR7009433A priority patent/FR2039620A5/fr
Publication of GB1287752A publication Critical patent/GB1287752A/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
    • 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
    • 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
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches

Abstract

1287752 Non-contact making switches JOSEPH LUCAS (INDUSTRIES) Ltd 3 Feb 1970 [17 March 1969] 13791/69 Heading H3B [Also in Division G1] In a vehicle mounted control system, an oscillator 13 powers a transmitting aerial 14 and a switching circuit is operated when the capacitive coupling between the transmitting aerial 14 and a receiving aerial 15 increases sufficiently by touching or nearly touching the aerial 15. When the capacitance between the aerials increases sufficiently, a F.E.T. 16 conducts which then supplies base current to a transistor 19 which in turn supplies base current to a transistor 22. The A.C. output of transistor 22 is rectified at 23 to operate a relay 24. The relay may operate a windscreen wiper motor or a motor driving a power operated window. The transmitting aerial may be mounted in the roof, seat belt, or driver's seat of the car.
GB1379169A 1969-03-17 1969-03-17 Road vehicle electrical control systems Expired GB1287752A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB1379169A GB1287752A (en) 1969-03-17 1969-03-17 Road vehicle electrical control systems
AU11205/70A AU1120570A (en) 1969-03-17 1970-02-09 Electrical control systems
ES377848A ES377848A1 (en) 1969-03-17 1970-03-11 Road vehicle electrical control systems
DE19702011646 DE2011646A1 (en) 1969-03-17 1970-03-12 Electric control
FR7009433A FR2039620A5 (en) 1969-03-17 1970-03-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1379169A GB1287752A (en) 1969-03-17 1969-03-17 Road vehicle electrical control systems

Publications (1)

Publication Number Publication Date
GB1287752A true GB1287752A (en) 1972-09-06

Family

ID=10029443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1379169A Expired GB1287752A (en) 1969-03-17 1969-03-17 Road vehicle electrical control systems

Country Status (5)

Country Link
AU (1) AU1120570A (en)
DE (1) DE2011646A1 (en)
ES (1) ES377848A1 (en)
FR (1) FR2039620A5 (en)
GB (1) GB1287752A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2539765B1 (en) * 1975-09-06 1976-11-18 Diehl Fa Capacitive proximity switch
DE10355462A1 (en) * 2003-11-27 2005-06-23 Daimlerchrysler Ag Optical display system e.g. for vehicle, involves having two display units and information is presented to both display units and presents determined current driving conditions

Also Published As

Publication number Publication date
AU1120570A (en) 1971-08-12
FR2039620A5 (en) 1971-01-15
DE2011646A1 (en) 1970-09-24
ES377848A1 (en) 1972-05-16

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee