NL178634B - DEVICE FOR DETECTING UNDESIRABLE SIGNAL COMBINATIONS OF TWO SIGNAL LAMPS FOR TRAFFIC LIGHTS. - Google Patents

DEVICE FOR DETECTING UNDESIRABLE SIGNAL COMBINATIONS OF TWO SIGNAL LAMPS FOR TRAFFIC LIGHTS.

Info

Publication number
NL178634B
NL178634B NLAANVRAGE7800004,A NL178634DA NL178634B NL 178634 B NL178634 B NL 178634B NL 178634D A NL178634D A NL 178634DA NL 178634 B NL178634 B NL 178634B
Authority
NL
Netherlands
Prior art keywords
signal
traffic lights
detecting undesirable
combinations
lamps
Prior art date
Application number
NLAANVRAGE7800004,A
Other languages
Dutch (nl)
Inventor
Nicolaas Van Ing Tol
Original Assignee
Philips Nv
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.)
Publication of NL178634B publication Critical patent/NL178634B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature
    • H01H51/2281—Contacts rigidly combined with armature

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
NLAANVRAGE7800004,A 1952-05-29 DEVICE FOR DETECTING UNDESIRABLE SIGNAL COMBINATIONS OF TWO SIGNAL LAMPS FOR TRAFFIC LIGHTS. NL178634B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB323181X 1952-05-29

Publications (1)

Publication Number Publication Date
NL178634B true NL178634B (en)

Family

ID=10336743

Family Applications (2)

Application Number Title Priority Date Filing Date
NLAANVRAGE7800004,A NL178634B (en) 1952-05-29 DEVICE FOR DETECTING UNDESIRABLE SIGNAL COMBINATIONS OF TWO SIGNAL LAMPS FOR TRAFFIC LIGHTS.
NL101759D NL101759C (en) 1952-05-29

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL101759D NL101759C (en) 1952-05-29

Country Status (7)

Country Link
US (1) US2811602A (en)
BE (1) BE520275A (en)
CH (1) CH323181A (en)
DE (1) DE1000528B (en)
FR (1) FR1077875A (en)
GB (1) GB731937A (en)
NL (2) NL101759C (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913639A (en) * 1956-01-20 1959-11-17 Richard J Coppola Polarized a. c. operated relay
US2892055A (en) * 1956-08-21 1959-06-23 Werk Signal Sicherungstech Veb Polarized magnetic system for relays
DE1150760B (en) * 1957-11-22 1963-06-27 Bristol Company Electromagnetic switching device
US2888533A (en) * 1958-01-23 1959-05-26 Clare & Co C P Center stable polar relay
DE1167980B (en) * 1960-06-22 1964-04-16 Krone Kg Magnetically polarized electric drive system for alarm clocks, relays or the like.
CH420770A (en) * 1964-04-24 1966-09-15 Oerlikon Buehrle Holding Ag Locking magnet
US3723923A (en) * 1970-12-21 1973-03-27 Tokai Rika Co Ltd Relay switch
DE3225232A1 (en) * 1981-06-22 1984-01-12 Hendel, Horst, Dipl.-Ing. (FH), 8031 Eichenau Polarised electromagnetic small relay
US4467304A (en) * 1982-12-28 1984-08-21 Minnesota Mining And Manfacturing Company Saturable tandem coil transformer relay
JPS59218871A (en) * 1983-05-27 1984-12-10 Matsushita Electric Works Ltd Electromagnet apparatus for dot printer
GB2166595B (en) * 1984-11-07 1988-06-08 Stc Plc Polarised relay of high sensitivity
US20180068773A1 (en) * 2016-09-07 2018-03-08 The Hong Kong Polytechnic University Apparatus for Negative Stiffness

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1191976A (en) * 1910-06-29 1916-07-25 Dayton Engineering Lab Co Current-interrupter.
DE371626C (en) * 1920-12-12 1923-03-17 Siemens & Halske Akt Ges Quiescent current relay, in which the armature permanently drops in the event of temporary power interruptions
US1541618A (en) * 1921-07-05 1925-06-09 Gen Electric Relay
US1743494A (en) * 1927-10-12 1930-01-14 Joseph W Snyder Pole-changer transmitter
NL29387C (en) * 1928-04-25
US2351588A (en) * 1940-12-12 1944-06-20 Gen Railway Signal Co Oscillating code transmitter
DE734040C (en) * 1941-09-24 1943-04-07 Siemens Ag Polarized relay
NL66362C (en) * 1942-04-28 1950-09-15
US2619560A (en) * 1945-03-26 1952-11-25 Sunbeam Corp Antichatter switch device
US2515771A (en) * 1945-05-11 1950-07-18 Gen Electric Polarized relay and motor control system
BE471339A (en) * 1946-02-23

Also Published As

Publication number Publication date
BE520275A (en)
FR1077875A (en) 1954-11-12
US2811602A (en) 1957-10-29
CH323181A (en) 1957-07-15
GB731937A (en) 1955-06-15
DE1000528B (en) 1957-01-10
NL101759C (en)

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