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CA926467A - Signalling system - Google Patents

Signalling system

Info

Publication number
CA926467A
CA926467A CA096948A CA96948A CA926467A CA 926467 A CA926467 A CA 926467A CA 096948 A CA096948 A CA 096948A CA 96948 A CA96948 A CA 96948A CA 926467 A CA926467 A CA 926467A
Authority
CA
Canada
Prior art keywords
signalling system
signalling
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
CA096948A
Other versions
CA96948S (en
Inventor
G. Willis John
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.)
SOLID STATE TECHNOLOGY
Original Assignee
SOLID STATE TECHNOLOGY
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 SOLID STATE TECHNOLOGY filed Critical SOLID STATE TECHNOLOGY
Application granted granted Critical
Publication of CA926467A publication Critical patent/CA926467A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/034—Portable transmitters
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/12—Manually actuated calamity alarm transmitting arrangements emergency non-personal manually actuated alarm, activators, e.g. details of alarm push buttons mounted on an infrastructure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmitters (AREA)
  • Structure Of Receivers (AREA)
  • Alarm Systems (AREA)
  • Audible And Visible Signals (AREA)
CA096948A 1969-10-30 1970-10-29 Signalling system Expired CA926467A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87257669A 1969-10-30 1969-10-30
US2551270A 1970-04-03 1970-04-03

Publications (1)

Publication Number Publication Date
CA926467A true CA926467A (en) 1973-05-15

Family

ID=26699852

Family Applications (1)

Application Number Title Priority Date Filing Date
CA096948A Expired CA926467A (en) 1969-10-30 1970-10-29 Signalling system

Country Status (3)

Country Link
JP (1) JPS4830197B1 (en)
CA (1) CA926467A (en)
GB (1) GB1282967A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS641563U (en) * 1987-03-24 1989-01-06
GB9124506D0 (en) * 1991-11-19 1992-01-08 Baylis Trevor G Improvements in or relating to electrical devices
US5982577A (en) * 1995-03-31 1999-11-09 Brown; Paul Batteryless, spring-powered portable cassette player

Also Published As

Publication number Publication date
GB1282967A (en) 1972-07-26
JPS4830197B1 (en) 1973-09-18

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