CH511508A - Electric switch, especially for program selection in telephone public address systems - Google Patents

Electric switch, especially for program selection in telephone public address systems

Info

Publication number
CH511508A
CH511508A CH368370A CH368370A CH511508A CH 511508 A CH511508 A CH 511508A CH 368370 A CH368370 A CH 368370A CH 368370 A CH368370 A CH 368370A CH 511508 A CH511508 A CH 511508A
Authority
CH
Switzerland
Prior art keywords
electric switch
public address
program selection
address systems
telephone public
Prior art date
Application number
CH368370A
Other languages
German (de)
Inventor
John Gargini Eric
Original Assignee
Communications Patents 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 Communications Patents Ltd filed Critical Communications Patents Ltd
Publication of CH511508A publication Critical patent/CH511508A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0006—Permanent magnet actuating reed switches
    • H01H36/006—Permanent magnet actuating reed switches comprising a plurality of reed switches, e.g. selectors or joystick-operated
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5805—Connections to printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/02—Non-polarised relays
    • H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
    • H01H51/08—Contacts alternately opened and closed by successive cycles of energisation and de-energisation of the electromagnet, e.g. by use of a ratchet
    • H01H51/082—Contacts alternately opened and closed by successive cycles of energisation and de-energisation of the electromagnet, e.g. by use of a ratchet using rotating ratchet mechanism
    • H01H51/086—Contacts alternately opened and closed by successive cycles of energisation and de-energisation of the electromagnet, e.g. by use of a ratchet using rotating ratchet mechanism with radial ratchet elements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Electronic Switches (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
CH368370A 1969-03-14 1970-03-12 Electric switch, especially for program selection in telephone public address systems CH511508A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB03463/69A GB1285351A (en) 1969-03-14 1969-03-14 Improvements in and relating to electrical switch devices

Publications (1)

Publication Number Publication Date
CH511508A true CH511508A (en) 1971-08-15

Family

ID=10023438

Family Applications (1)

Application Number Title Priority Date Filing Date
CH368370A CH511508A (en) 1969-03-14 1970-03-12 Electric switch, especially for program selection in telephone public address systems

Country Status (13)

Country Link
US (1) US3668575A (en)
JP (1) JPS4913305B1 (en)
AT (1) AT300943B (en)
BE (1) BE747343A (en)
CA (1) CA918717A (en)
CH (1) CH511508A (en)
DE (1) DE2011892C3 (en)
ES (1) ES192498Y (en)
FR (1) FR2038959A5 (en)
GB (1) GB1285351A (en)
IL (1) IL34155A (en)
NL (3) NL163360C (en)
SE (1) SE373978B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0038434A1 (en) * 1980-04-01 1981-10-28 Walter Zimmermann Multiple use selector stage

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL168342C (en) * 1974-06-28 1982-03-16 Oce Van Der Grinten Nv REPRODUCTION DEVICE
JPS52153008U (en) * 1976-05-17 1977-11-19
FR2578032B1 (en) * 1985-02-28 1987-04-17 Zaegel Held Fabr App Chauf CONTROL UNIT, ESPECIALLY FOR BI-ENERGY BOILERS
JPH01116578U (en) * 1988-01-29 1989-08-07
GB9221887D0 (en) * 1992-10-19 1992-12-02 Furneaux Riddall & Company Lim Improvements in and relating to handlamps and torches
DE19526254C2 (en) * 1995-07-19 1998-01-29 Mannesmann Vdo Ag Passive magnetic position sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL126474C (en) * 1959-07-01
US3086095A (en) * 1960-02-08 1963-04-16 Magnavox Co Switch assembly
GB1059340A (en) * 1963-11-19 1967-02-15 Standard Telephones Cables Ltd Electrical switching device
GB1065597A (en) * 1965-01-21 1967-04-19 Ass Elect Ind Improvements relating to multiple position rotary switches
US3505869A (en) * 1968-04-17 1970-04-14 Us Air Force Apparatus for measuring fluid level in a container

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0038434A1 (en) * 1980-04-01 1981-10-28 Walter Zimmermann Multiple use selector stage

Also Published As

Publication number Publication date
NL7003600A (en) 1970-09-16
BE747343A (en) 1970-08-17
IL34155A (en) 1972-10-29
GB1285351A (en) 1972-08-16
ES192498Y (en) 1975-01-01
DE2011892C3 (en) 1979-08-02
DE2011892A1 (en) 1970-10-01
NL163360B (en) 1980-03-17
CA918717A (en) 1973-01-09
NL90728C (en)
AT300943B (en) 1972-08-10
JPS4913305B1 (en) 1974-03-30
SE373978B (en) 1975-02-17
NL204523A (en)
NL163360C (en) 1980-08-15
IL34155A0 (en) 1970-05-21
US3668575A (en) 1972-06-06
ES192498U (en) 1974-09-01
FR2038959A5 (en) 1971-01-08
DE2011892B2 (en) 1978-11-23

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Legal Events

Date Code Title Description
PL Patent ceased