CA950551A - Acknowledging circuit arrangement - Google Patents

Acknowledging circuit arrangement

Info

Publication number
CA950551A
CA950551A CA141,763,A CA141763A CA950551A CA 950551 A CA950551 A CA 950551A CA 141763 A CA141763 A CA 141763A CA 950551 A CA950551 A CA 950551A
Authority
CA
Canada
Prior art keywords
circuit arrangement
acknowledging circuit
acknowledging
arrangement
circuit
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
CA141,763,A
Other versions
CA141763S (en
Inventor
Raymond C. Franke
William B. Dufer
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.)
Westinghouse Air Brake Co
Original Assignee
Westinghouse Air Brake Co
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 Westinghouse Air Brake Co filed Critical Westinghouse Air Brake Co
Application granted granted Critical
Publication of CA950551A publication Critical patent/CA950551A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Relay Circuits (AREA)
CA141,763,A 1971-06-17 1972-05-10 Acknowledging circuit arrangement Expired CA950551A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15396671A 1971-06-17 1971-06-17

Publications (1)

Publication Number Publication Date
CA950551A true CA950551A (en) 1974-07-02

Family

ID=22549460

Family Applications (1)

Application Number Title Priority Date Filing Date
CA141,763,A Expired CA950551A (en) 1971-06-17 1972-05-10 Acknowledging circuit arrangement

Country Status (2)

Country Link
US (1) US3696356A (en)
CA (1) CA950551A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832599A (en) * 1973-08-15 1974-08-27 Westinghouse Air Brake Co Vital more restrictive speed command sensing circuit
US4158839A (en) * 1976-09-03 1979-06-19 Powell Magnetic Industries, Inc. Transition alarm circuit
US4177459A (en) * 1977-05-24 1979-12-04 Westinghouse Air Brake Company Fail-safe acknowledging circuit
US4181943A (en) * 1978-05-22 1980-01-01 Hugg Steven B Speed control device for trains
US4314237A (en) * 1980-05-27 1982-02-02 American Standard Inc. Fail-safe acknowledging circuit
JPS60173460U (en) * 1984-04-26 1985-11-16 株式会社ナブコ Brake control device for railway vehicles
US7357359B2 (en) * 2004-04-30 2008-04-15 Phase2 Concepts, Inc. Electronic code follower relay
US20110204189A1 (en) * 2010-02-19 2011-08-25 Lynch Steven P Electronic track relay, and railroad signaling system using the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH389012A (en) * 1961-10-04 1965-03-15 Oerlikon Maschf Device for monitoring the speed of a locomotive
US3448433A (en) * 1966-01-18 1969-06-03 Abex Corp Overspeed and underspeed alarm system
US3582949A (en) * 1968-10-28 1971-06-01 Master Specialties Co Audiovisual annunciator with priority ranking for each condition

Also Published As

Publication number Publication date
US3696356A (en) 1972-10-03

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