CA641350A - Magnetically operated sign - Google Patents

Magnetically operated sign

Info

Publication number
CA641350A
CA641350A CA641350A CA641350DA CA641350A CA 641350 A CA641350 A CA 641350A CA 641350 A CA641350 A CA 641350A CA 641350D A CA641350D A CA 641350DA CA 641350 A CA641350 A CA 641350A
Authority
CA
Canada
Prior art keywords
magnetically operated
operated sign
sign
magnetically
operated
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
CA641350A
Inventor
K. Taylor Maurice
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.)
Ferranti Packard Electric Ltd
Original Assignee
Ferranti Packard Electric Ltd
Publication date
Application granted granted Critical
Publication of CA641350A publication Critical patent/CA641350A/en
Expired legal-status Critical Current

Links

CA641350A Magnetically operated sign Expired CA641350A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA641350T

Publications (1)

Publication Number Publication Date
CA641350A true CA641350A (en) 1962-05-15

Family

ID=35919867

Family Applications (1)

Application Number Title Priority Date Filing Date
CA641350A Expired CA641350A (en) Magnetically operated sign

Country Status (1)

Country Link
CA (1) CA641350A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111193A (en) * 1990-06-06 1992-05-05 American On-Premise Advertising Company Electronic display element for electronic display device
US5148156A (en) * 1990-06-06 1992-09-15 American Electronic Sign Company Electronic display device having a plurality of pixel elements
US5500652A (en) * 1992-11-19 1996-03-19 American Electronic Sign Company Display element with reflective lens
US6677922B1 (en) 1995-12-04 2004-01-13 3M Innovative Properties Company Display element having retroreflective surface

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111193A (en) * 1990-06-06 1992-05-05 American On-Premise Advertising Company Electronic display element for electronic display device
US5148156A (en) * 1990-06-06 1992-09-15 American Electronic Sign Company Electronic display device having a plurality of pixel elements
US5500652A (en) * 1992-11-19 1996-03-19 American Electronic Sign Company Display element with reflective lens
US6677922B1 (en) 1995-12-04 2004-01-13 3M Innovative Properties Company Display element having retroreflective surface

Similar Documents

Publication Publication Date Title
CA641350A (en) Magnetically operated sign
CA612988A (en) Luminous sign
CA652427A (en) Sign construction
CA625868A (en) Illuminated sign
CA650291A (en) Magnetically actuated pump
CA657782A (en) Magnetically operated game
CA647031A (en) Magnetically operated switch
CA651551A (en) Illuminated signs
CA617298A (en) Magnetically operated counter device
CA634822A (en) Display devices
CA650121A (en) Magnetically driven devices
CA641672A (en) Magnetically biased switch
AU279968B2 (en) Magnetic devices
CA645052A (en) Magnets
CA618209A (en) Illuminated sign construction
CA634283A (en) Metalliferous monoazo-dyestuffs
CA618216A (en) Display sign
CA640438A (en) Electromagnetic hammer
CA653245A (en) Variable-field permanent magnet
CA646579A (en) Magnetic system
AU267899B2 (en) Electromagnet
AU276652B2 (en) Electromagnet
AU3687263A (en) Magnetic devices
CA626226A (en) Display signs
CA629803A (en) Display signs