FR2417171A1 - Magnet-based circuit connector or jumper - links ferromagnetic-based conductors, and comprises electrically-conducting magnet or non-conducting magnet carrying polyurethane foam - Google Patents

Magnet-based circuit connector or jumper - links ferromagnetic-based conductors, and comprises electrically-conducting magnet or non-conducting magnet carrying polyurethane foam

Info

Publication number
FR2417171A1
FR2417171A1 FR7804147A FR7804147A FR2417171A1 FR 2417171 A1 FR2417171 A1 FR 2417171A1 FR 7804147 A FR7804147 A FR 7804147A FR 7804147 A FR7804147 A FR 7804147A FR 2417171 A1 FR2417171 A1 FR 2417171A1
Authority
FR
France
Prior art keywords
magnet
conducting magnet
jumper
conductors
polyurethane foam
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.)
Granted
Application number
FR7804147A
Other languages
French (fr)
Other versions
FR2417171B1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7804147A priority Critical patent/FR2417171A1/en
Publication of FR2417171A1 publication Critical patent/FR2417171A1/en
Application granted granted Critical
Publication of FR2417171B1 publication Critical patent/FR2417171B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/10—Adjustable resistors adjustable by mechanical pressure or force
    • H01C10/103—Adjustable resistors adjustable by mechanical pressure or force by using means responding to magnetic or electric fields, e.g. by addition of magnetisable or piezoelectric particles to the resistive material, or by an electromagnetic actuator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The circuit connector or jumper allows connection between different circuits without the use of plugs and sockets. The circuit conductors are laid on an insulating strip backed by a ferro-magnetic material. The jumper can consist of an electrically conducting magnet which is laid across the gap between the conductors or can consist of a non-conducting magnet carrying on one face of polyurethane foam loaded with colloidal graphite. In this case the conductors are covered by an insulating layer having two small gaps into which protrusions from the polyurethane are fitted to bridge the gap. The system is economical and free from oxidn.
FR7804147A 1978-02-14 1978-02-14 Magnet-based circuit connector or jumper - links ferromagnetic-based conductors, and comprises electrically-conducting magnet or non-conducting magnet carrying polyurethane foam Granted FR2417171A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7804147A FR2417171A1 (en) 1978-02-14 1978-02-14 Magnet-based circuit connector or jumper - links ferromagnetic-based conductors, and comprises electrically-conducting magnet or non-conducting magnet carrying polyurethane foam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7804147A FR2417171A1 (en) 1978-02-14 1978-02-14 Magnet-based circuit connector or jumper - links ferromagnetic-based conductors, and comprises electrically-conducting magnet or non-conducting magnet carrying polyurethane foam

Publications (2)

Publication Number Publication Date
FR2417171A1 true FR2417171A1 (en) 1979-09-07
FR2417171B1 FR2417171B1 (en) 1981-07-24

Family

ID=9204579

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7804147A Granted FR2417171A1 (en) 1978-02-14 1978-02-14 Magnet-based circuit connector or jumper - links ferromagnetic-based conductors, and comprises electrically-conducting magnet or non-conducting magnet carrying polyurethane foam

Country Status (1)

Country Link
FR (1) FR2417171A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2226744A1 (en) * 1973-04-21 1974-11-15 Int Standard Electric Corp
US3898595A (en) * 1970-11-02 1975-08-05 Cunningham Corp Magnetic printed circuit
FR2325172A1 (en) * 1975-09-18 1977-04-15 Int Standard Electric Corp Electromagnetic relay with freely moving armature - has armature with magnetisable core and conductive, flexible sleeve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898595A (en) * 1970-11-02 1975-08-05 Cunningham Corp Magnetic printed circuit
FR2226744A1 (en) * 1973-04-21 1974-11-15 Int Standard Electric Corp
FR2325172A1 (en) * 1975-09-18 1977-04-15 Int Standard Electric Corp Electromagnetic relay with freely moving armature - has armature with magnetisable core and conductive, flexible sleeve

Also Published As

Publication number Publication date
FR2417171B1 (en) 1981-07-24

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Legal Events

Date Code Title Description
ST Notification of lapse